Update dependencies to v0.21.6 tag

Merge pull request #102601 from jonesbr17/automated-cherry-pick-of-#102409-upstream-release-1.21
Automated cherry pick of #102409: Bump golang.org/x/text to v0.3.6 Kubernetes-commit: e010ed4d8e511e931166d209dc63a79199cfcd58
2026-02-04 00:06:14 +08:00 · 2021-10-28 05:41:01 +00:00 · 2021-10-06 17:08:34 +00:00 · 2021-10-06 13:28:16 +00:00 · 2021-10-01 11:35:04 -07:00 · 2021-08-31 12:33:47 +00:00
1849 changed files with 1529 additions and 568235 deletions
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,2 @@
+Sorry, we do not accept changes directly against this repository. Please see
+CONTRIBUTING.md for information on where and how to contribute instead.
--- a/64
+++ b/64
@@ -1,64 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "controller.go",
-        "main.go",
-    ],
-    importpath = "k8s.io/sample-controller",
-    visibility = ["//visibility:private"],
-    deps = [
-        "//vendor/github.com/golang/glog:go_default_library",
-        "//vendor/k8s.io/api/apps/v1beta2:go_default_library",
-        "//vendor/k8s.io/api/core/v1:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/api/errors:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/util/runtime:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/util/wait:go_default_library",
-        "//vendor/k8s.io/client-go/informers:go_default_library",
-        "//vendor/k8s.io/client-go/kubernetes:go_default_library",
-        "//vendor/k8s.io/client-go/kubernetes/scheme:go_default_library",
-        "//vendor/k8s.io/client-go/kubernetes/typed/core/v1:go_default_library",
-        "//vendor/k8s.io/client-go/listers/apps/v1beta2:go_default_library",
-        "//vendor/k8s.io/client-go/tools/cache:go_default_library",
-        "//vendor/k8s.io/client-go/tools/clientcmd:go_default_library",
-        "//vendor/k8s.io/client-go/tools/record:go_default_library",
-        "//vendor/k8s.io/client-go/util/workqueue:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/clientset/versioned:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/clientset/versioned/scheme:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/informers/externalversions:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/listers/samplecontroller/v1alpha1:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/signals:go_default_library",
-    ],
-)
-
-go_binary(
-    name = "sample-controller",
-    importpath = "k8s.io/sample-controller",
-    library = ":go_default_library",
-    visibility = ["//visibility:public"],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [
-        ":package-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/apis/samplecontroller:all-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/client/clientset/versioned:all-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/client/informers/externalversions:all-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/client/listers/samplecontroller/v1alpha1:all-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/signals:all-srcs",
-    ],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -0,0 +1,7 @@
+# Contributing guidelines
+
+Do not open pull requests directly against this repository, they will be ignored. Instead, please open pull requests against [kubernetes/kubernetes](https://git.k8s.io/kubernetes/).  Please follow the same [contributing guide](https://git.k8s.io/kubernetes/CONTRIBUTING.md) you would follow for any other pull request made to kubernetes/kubernetes.
+
+This repository is published from [kubernetes/kubernetes/staging/src/k8s.io/sample-controller](https://git.k8s.io/kubernetes/staging/src/k8s.io/sample-controller) by the [kubernetes publishing-bot](https://git.k8s.io/publishing-bot).
+
+Please see [Staging Directory and Publishing](https://git.k8s.io/community/contributors/devel/sig-architecture/staging.md) for more information
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@@ -1,994 +0,0 @@
-{
-	"ImportPath": "k8s.io/sample-controller",
-	"GoVersion": "go1.9",
-	"GodepVersion": "v79",
-	"Packages": [
-		"./..."
-	],
-	"Deps": [
-		{
-			"ImportPath": "github.com/PuerkitoBio/purell",
-			"Rev": "8a290539e2e8629dbc4e6bad948158f790ec31f4"
-		},
-		{
-			"ImportPath": "github.com/PuerkitoBio/urlesc",
-			"Rev": "5bd2802263f21d8788851d5305584c82a5c75d7e"
-		},
-		{
-			"ImportPath": "github.com/davecgh/go-spew/spew",
-			"Rev": "782f4967f2dc4564575ca782fe2d04090b5faca8"
-		},
-		{
-			"ImportPath": "github.com/emicklei/go-restful",
-			"Rev": "ff4f55a206334ef123e4f79bbf348980da81ca46"
-		},
-		{
-			"ImportPath": "github.com/emicklei/go-restful/log",
-			"Rev": "ff4f55a206334ef123e4f79bbf348980da81ca46"
-		},
-		{
-			"ImportPath": "github.com/ghodss/yaml",
-			"Rev": "73d445a93680fa1a78ae23a5839bad48f32ba1ee"
-		},
-		{
-			"ImportPath": "github.com/go-openapi/jsonpointer",
-			"Rev": "46af16f9f7b149af66e5d1bd010e3574dc06de98"
-		},
-		{
-			"ImportPath": "github.com/go-openapi/jsonreference",
-			"Rev": "13c6e3589ad90f49bd3e3bbe2c2cb3d7a4142272"
-		},
-		{
-			"ImportPath": "github.com/go-openapi/spec",
-			"Rev": "7abd5745472fff5eb3685386d5fb8bf38683154d"
-		},
-		{
-			"ImportPath": "github.com/go-openapi/swag",
-			"Rev": "f3f9494671f93fcff853e3c6e9e948b3eb71e590"
-		},
-		{
-			"ImportPath": "github.com/gogo/protobuf/proto",
-			"Rev": "c0656edd0d9eab7c66d1eb0c568f9039345796f7"
-		},
-		{
-			"ImportPath": "github.com/gogo/protobuf/sortkeys",
-			"Rev": "c0656edd0d9eab7c66d1eb0c568f9039345796f7"
-		},
-		{
-			"ImportPath": "github.com/golang/glog",
-			"Rev": "44145f04b68cf362d9c4df2182967c2275eaefed"
-		},
-		{
-			"ImportPath": "github.com/golang/groupcache/lru",
-			"Rev": "02826c3e79038b59d737d3b1c0a1d937f71a4433"
-		},
-		{
-			"ImportPath": "github.com/golang/protobuf/proto",
-			"Rev": "1643683e1b54a9e88ad26d98f81400c8c9d9f4f9"
-		},
-		{
-			"ImportPath": "github.com/golang/protobuf/ptypes",
-			"Rev": "1643683e1b54a9e88ad26d98f81400c8c9d9f4f9"
-		},
-		{
-			"ImportPath": "github.com/golang/protobuf/ptypes/any",
-			"Rev": "1643683e1b54a9e88ad26d98f81400c8c9d9f4f9"
-		},
-		{
-			"ImportPath": "github.com/golang/protobuf/ptypes/duration",
-			"Rev": "1643683e1b54a9e88ad26d98f81400c8c9d9f4f9"
-		},
-		{
-			"ImportPath": "github.com/golang/protobuf/ptypes/timestamp",
-			"Rev": "1643683e1b54a9e88ad26d98f81400c8c9d9f4f9"
-		},
-		{
-			"ImportPath": "github.com/google/btree",
-			"Rev": "7d79101e329e5a3adf994758c578dab82b90c017"
-		},
-		{
-			"ImportPath": "github.com/google/gofuzz",
-			"Rev": "44d81051d367757e1c7c6a5a86423ece9afcf63c"
-		},
-		{
-			"ImportPath": "github.com/googleapis/gnostic/OpenAPIv2",
-			"Rev": "0c5108395e2debce0d731cf0287ddf7242066aba"
-		},
-		{
-			"ImportPath": "github.com/googleapis/gnostic/compiler",
-			"Rev": "0c5108395e2debce0d731cf0287ddf7242066aba"
-		},
-		{
-			"ImportPath": "github.com/googleapis/gnostic/extensions",
-			"Rev": "0c5108395e2debce0d731cf0287ddf7242066aba"
-		},
-		{
-			"ImportPath": "github.com/gregjones/httpcache",
-			"Rev": "787624de3eb7bd915c329cba748687a3b22666a6"
-		},
-		{
-			"ImportPath": "github.com/gregjones/httpcache/diskcache",
-			"Rev": "787624de3eb7bd915c329cba748687a3b22666a6"
-		},
-		{
-			"ImportPath": "github.com/hashicorp/golang-lru",
-			"Rev": "a0d98a5f288019575c6d1f4bb1573fef2d1fcdc4"
-		},
-		{
-			"ImportPath": "github.com/hashicorp/golang-lru/simplelru",
-			"Rev": "a0d98a5f288019575c6d1f4bb1573fef2d1fcdc4"
-		},
-		{
-			"ImportPath": "github.com/howeyc/gopass",
-			"Rev": "bf9dde6d0d2c004a008c27aaee91170c786f6db8"
-		},
-		{
-			"ImportPath": "github.com/imdario/mergo",
-			"Rev": "6633656539c1639d9d78127b7d47c622b5d7b6dc"
-		},
-		{
-			"ImportPath": "github.com/json-iterator/go",
-			"Rev": "36b14963da70d11297d313183d7e6388c8510e1e"
-		},
-		{
-			"ImportPath": "github.com/juju/ratelimit",
-			"Rev": "5b9ff866471762aa2ab2dced63c9fb6f53921342"
-		},
-		{
-			"ImportPath": "github.com/mailru/easyjson/buffer",
-			"Rev": "2f5df55504ebc322e4d52d34df6a1f5b503bf26d"
-		},
-		{
-			"ImportPath": "github.com/mailru/easyjson/jlexer",
-			"Rev": "2f5df55504ebc322e4d52d34df6a1f5b503bf26d"
-		},
-		{
-			"ImportPath": "github.com/mailru/easyjson/jwriter",
-			"Rev": "2f5df55504ebc322e4d52d34df6a1f5b503bf26d"
-		},
-		{
-			"ImportPath": "github.com/peterbourgon/diskv",
-			"Rev": "5f041e8faa004a95c88a202771f4cc3e991971e6"
-		},
-		{
-			"ImportPath": "github.com/spf13/pflag",
-			"Rev": "9ff6c6923cfffbcd502984b8e0c80539a94968b7"
-		},
-		{
-			"ImportPath": "golang.org/x/crypto/ssh/terminal",
-			"Rev": "81e90905daefcd6fd217b62423c0908922eadb30"
-		},
-		{
-			"ImportPath": "golang.org/x/net/context",
-			"Rev": "1c05540f6879653db88113bc4a2b70aec4bd491f"
-		},
-		{
-			"ImportPath": "golang.org/x/net/http2",
-			"Rev": "1c05540f6879653db88113bc4a2b70aec4bd491f"
-		},
-		{
-			"ImportPath": "golang.org/x/net/http2/hpack",
-			"Rev": "1c05540f6879653db88113bc4a2b70aec4bd491f"
-		},
-		{
-			"ImportPath": "golang.org/x/net/idna",
-			"Rev": "1c05540f6879653db88113bc4a2b70aec4bd491f"
-		},
-		{
-			"ImportPath": "golang.org/x/net/lex/httplex",
-			"Rev": "1c05540f6879653db88113bc4a2b70aec4bd491f"
-		},
-		{
-			"ImportPath": "golang.org/x/sys/unix",
-			"Rev": "95c6576299259db960f6c5b9b69ea52422860fce"
-		},
-		{
-			"ImportPath": "golang.org/x/sys/windows",
-			"Rev": "95c6576299259db960f6c5b9b69ea52422860fce"
-		},
-		{
-			"ImportPath": "golang.org/x/text/cases",
-			"Rev": "b19bf474d317b857955b12035d2c5acb57ce8b01"
-		},
-		{
-			"ImportPath": "golang.org/x/text/internal",
-			"Rev": "b19bf474d317b857955b12035d2c5acb57ce8b01"
-		},
-		{
-			"ImportPath": "golang.org/x/text/internal/tag",
-			"Rev": "b19bf474d317b857955b12035d2c5acb57ce8b01"
-		},
-		{
-			"ImportPath": "golang.org/x/text/language",
-			"Rev": "b19bf474d317b857955b12035d2c5acb57ce8b01"
-		},
-		{
-			"ImportPath": "golang.org/x/text/runes",
-			"Rev": "b19bf474d317b857955b12035d2c5acb57ce8b01"
-		},
-		{
-			"ImportPath": "golang.org/x/text/secure/bidirule",
-			"Rev": "b19bf474d317b857955b12035d2c5acb57ce8b01"
-		},
-		{
-			"ImportPath": "golang.org/x/text/secure/precis",
-			"Rev": "b19bf474d317b857955b12035d2c5acb57ce8b01"
-		},
-		{
-			"ImportPath": "golang.org/x/text/transform",
-			"Rev": "b19bf474d317b857955b12035d2c5acb57ce8b01"
-		},
-		{
-			"ImportPath": "golang.org/x/text/unicode/bidi",
-			"Rev": "b19bf474d317b857955b12035d2c5acb57ce8b01"
-		},
-		{
-			"ImportPath": "golang.org/x/text/unicode/norm",
-			"Rev": "b19bf474d317b857955b12035d2c5acb57ce8b01"
-		},
-		{
-			"ImportPath": "golang.org/x/text/width",
-			"Rev": "b19bf474d317b857955b12035d2c5acb57ce8b01"
-		},
-		{
-			"ImportPath": "gopkg.in/inf.v0",
-			"Rev": "3887ee99ecf07df5b447e9b00d9c0b2adaa9f3e4"
-		},
-		{
-			"ImportPath": "gopkg.in/yaml.v2",
-			"Rev": "53feefa2559fb8dfa8d81baad31be332c97d6c77"
-		},
-		{
-			"ImportPath": "k8s.io/api/admissionregistration/v1alpha1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/admissionregistration/v1beta1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/apps/v1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/apps/v1beta1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/apps/v1beta2",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/authentication/v1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/authentication/v1beta1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/authorization/v1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/authorization/v1beta1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/autoscaling/v1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/autoscaling/v2beta1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/batch/v1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/batch/v1beta1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/batch/v2alpha1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/certificates/v1beta1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/core/v1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/events/v1beta1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/extensions/v1beta1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/networking/v1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/policy/v1beta1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/rbac/v1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/rbac/v1alpha1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/rbac/v1beta1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/scheduling/v1alpha1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/settings/v1alpha1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/storage/v1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/storage/v1alpha1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/api/storage/v1beta1",
-			"Rev": "c18c417b5eb7424945ae723ef240465d00ddf054"
-		},
-		{
-			"ImportPath": "k8s.io/apimachinery/pkg/api/errors",
-			"Rev": "a04e753f5223cf882db01ac64212682ea28767b4"
-		},
-		{
-			"ImportPath": "k8s.io/apimachinery/pkg/api/meta",
-			"Rev": "a04e753f5223cf882db01ac64212682ea28767b4"
-		},
-		{
-			"ImportPath": "k8s.io/apimachinery/pkg/api/resource",
-			"Rev": "a04e753f5223cf882db01ac64212682ea28767b4"
-		},
-		{
-			"ImportPath": "k8s.io/apimachinery/pkg/apis/meta/internalversion",
-			"Rev": "a04e753f5223cf882db01ac64212682ea28767b4"
-		},
-		{
-			"ImportPath": "k8s.io/apimachinery/pkg/apis/meta/v1",
-			"Rev": "a04e753f5223cf882db01ac64212682ea28767b4"
-		},
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-			"ImportPath": "k8s.io/client-go/listers/admissionregistration/v1beta1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/apps/v1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/apps/v1beta1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/apps/v1beta2",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/autoscaling/v1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/autoscaling/v2beta1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/batch/v1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/batch/v1beta1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/batch/v2alpha1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/certificates/v1beta1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/core/v1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/events/v1beta1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/extensions/v1beta1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/networking/v1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/policy/v1beta1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/rbac/v1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/rbac/v1alpha1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/rbac/v1beta1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/scheduling/v1alpha1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/settings/v1alpha1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/storage/v1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/storage/v1alpha1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/listers/storage/v1beta1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/pkg/version",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/rest",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/rest/watch",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/testing",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/tools/auth",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/tools/cache",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/tools/clientcmd",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/tools/clientcmd/api",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/tools/clientcmd/api/latest",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/tools/clientcmd/api/v1",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/tools/metrics",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/tools/pager",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/tools/record",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/tools/reference",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/transport",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/util/buffer",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/util/cert",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/util/flowcontrol",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/util/homedir",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/util/integer",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/client-go/util/workqueue",
-			"Rev": "375bcf98d2ce9bb76438e825b3534a5a7932d5b0"
-		},
-		{
-			"ImportPath": "k8s.io/kube-openapi/pkg/common",
-			"Rev": "39a7bf85c140f972372c2a0d1ee40adbf0c8bfe1"
-		},
-		{
-			"ImportPath": "k8s.io/kube-openapi/pkg/util/proto",
-			"Rev": "39a7bf85c140f972372c2a0d1ee40adbf0c8bfe1"
-		}
-	]
-}
--- a/Godeps/Readme
+++ b/Godeps/Readme
@@ -1,5 +0,0 @@
-This directory tree is generated automatically by godep.
-
-Please do not edit.
-
-See https://github.com/tools/godep for more information.
--- a/6
+++ b/6
@@ -1,9 +1,11 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
 approvers:
 - sttts
 - munnerz
 reviewers:
- gregory-m
- kargakis
 - sttts
 - munnerz
 - nikhita
+labels:
+- sig/api-machinery
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
 This repository implements a simple controller for watching Foo resources as
 defined with a CustomResourceDefinition (CRD).

+**Note:** go-get or vendor this package as `k8s.io/sample-controller`.
+
 This particular example demonstrates how to perform basic operations such as:

 * How to register a new custom resource (custom resource type) of type `Foo` using a CustomResourceDefinition.
@@ -17,30 +19,81 @@ The `update-codegen` script will automatically generate the following files &
 directories:

 * `pkg/apis/samplecontroller/v1alpha1/zz_generated.deepcopy.go`
-* `pkg/client/`
+* `pkg/generated/`

 Changes should not be made to these files manually, and when creating your own
 controller based off of this implementation you should not copy these files and
 instead run the `update-codegen` script to generate your own.

+## Details
+
+The sample controller uses [client-go library](https://github.com/kubernetes/client-go/tree/master/tools/cache) extensively.
+The details of interaction points of the sample controller with various mechanisms from this library are
+explained [here](docs/controller-client-go.md).
+
+## Fetch sample-controller and its dependencies
+
+Like the rest of Kubernetes, sample-controller has used
+[godep](https://github.com/tools/godep) and `$GOPATH` for years and is
+now adopting go 1.11 modules.  There are thus two alternative ways to
+go about fetching this demo and its dependencies.
+
+### Fetch with godep
+
+When NOT using go 1.11 modules, you can use the following commands.
+
+```sh
+go get -d k8s.io/sample-controller
+cd $GOPATH/src/k8s.io/sample-controller
+godep restore
+```
+
+### When using go 1.11 modules
+
+When using go 1.11 modules (`GO111MODULE=on`), issue the following
+commands --- starting in whatever working directory you like.
+
+```sh
+git clone https://github.com/kubernetes/sample-controller.git
+cd sample-controller
+```
+
+Note, however, that if you intend to
+[generate code](#changes-to-the-types) then you will also need the
+code-generator repo to exist in an old-style location.  One easy way
+to do this is to use the command `go mod vendor` to create and
+populate the `vendor` directory.
+
+### A Note on kubernetes/kubernetes
+
+If you are developing Kubernetes according to
+https://github.com/kubernetes/community/blob/master/contributors/guide/github-workflow.md
+then you already have a copy of this demo in
+`kubernetes/staging/src/k8s.io/sample-controller` and its dependencies
+--- including the code generator --- are in usable locations
+(valid for all Go versions).
+
 ## Purpose

 This is an example of how to build a kube-like controller with a single type.

 ## Running

+**Prerequisite**: Since the sample-controller uses `apps/v1` deployments, the Kubernetes cluster version should be greater than 1.9.
+
 ```sh
 # assumes you have a working kubeconfig, not required if operating in-cluster
-$ go run *.go -kubeconfig=$HOME/.kube/config
+go build -o sample-controller .
+./sample-controller -kubeconfig=$HOME/.kube/config

 # create a CustomResourceDefinition
-$ kubectl create -f artifacts/examples/crd.yaml
+kubectl create -f artifacts/examples/crd.yaml

 # create a custom resource of type Foo
-$ kubectl create -f artifacts/examples/example-foo.yaml
+kubectl create -f artifacts/examples/example-foo.yaml

 # check deployments created through the custom resource
-$ kubectl get deployments
+kubectl get deployments
 ```

 ## Use Cases
@@ -73,11 +126,53 @@ type User struct {
 }
 ```

+## Validation
+
+To validate custom resources, use the [`CustomResourceValidation`](https://kubernetes.io/docs/tasks/access-kubernetes-api/extend-api-custom-resource-definitions/#validation) feature.
+
+This feature is beta and enabled by default in v1.9.
+
+### Example
+
+The schema in [`crd-validation.yaml`](./artifacts/examples/crd-validation.yaml) applies the following validation on the custom resource:
+`spec.replicas` must be an integer and must have a minimum value of 1 and a maximum value of 10.
+
+In the above steps, use `crd-validation.yaml` to create the CRD:
+
+```sh
+# create a CustomResourceDefinition supporting validation
+kubectl create -f artifacts/examples/crd-validation.yaml
+```
+
+## Subresources
+
+Custom Resources support `/status` and `/scale` subresources as a [beta feature](https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definitions/#subresources) in v1.11 and is enabled by default.
+This feature is [alpha](https://v1-10.docs.kubernetes.io/docs/tasks/access-kubernetes-api/extend-api-custom-resource-definitions/#subresources) in v1.10 and to enable it you need to set the `CustomResourceSubresources` feature gate on the [kube-apiserver](https://kubernetes.io/docs/admin/kube-apiserver):
+
+```sh
+--feature-gates=CustomResourceSubresources=true
+```
+
+### Example
+
+The CRD in [`crd-status-subresource.yaml`](./artifacts/examples/crd-status-subresource.yaml) enables the `/status` subresource
+for custom resources.
+This means that [`UpdateStatus`](./controller.go#L330) can be used by the controller to update only the status part of the custom resource.
+
+To understand why only the status part of the custom resource should be updated, please refer to the [Kubernetes API conventions](https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status).
+
+In the above steps, use `crd-status-subresource.yaml` to create the CRD:
+
+```sh
+# create a CustomResourceDefinition supporting the status subresource
+kubectl create -f artifacts/examples/crd-status-subresource.yaml
+```
+
 ## Cleanup

 You can clean up the created CustomResourceDefinition with:

-    $ kubectl delete crd foos.samplecontroller.k8s.io
+    kubectl delete crd foos.samplecontroller.k8s.io

 ## Compatibility

--- a/16
+++ b/16
@@ -0,0 +1,16 @@
+# Defined below are the security contacts for this repo.
+#
+# They are the contact point for the Product Security Committee to reach out
+# to for triaging and handling of incoming issues.
+#
+# The below names agree to abide by the
+# [Embargo Policy](https://git.k8s.io/security/private-distributors-list.md#embargo-policy)
+# and will be removed and replaced if they violate that agreement.
+#
+# DO NOT REPORT SECURITY VULNERABILITIES DIRECTLY TO THESE NAMES, FOLLOW THE
+# INSTRUCTIONS AT https://kubernetes.io/security/
+
+cheftako
+deads2k
+lavalamp
+sttts
--- a/artifacts/examples/crd-status-subresource.yaml
+++ b/artifacts/examples/crd-status-subresource.yaml
@@ -0,0 +1,13 @@
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: foos.samplecontroller.k8s.io
+spec:
+  group: samplecontroller.k8s.io
+  version: v1alpha1
+  names:
+    kind: Foo
+    plural: foos
+  scope: Namespaced
+  subresources:
+    status: {}
--- a/artifacts/examples/crd-validation.yaml
+++ b/artifacts/examples/crd-validation.yaml
@@ -0,0 +1,20 @@
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: foos.samplecontroller.k8s.io
+spec:
+  group: samplecontroller.k8s.io
+  version: v1alpha1
+  names:
+    kind: Foo
+    plural: foos
+  scope: Namespaced
+  validation:
+    openAPIV3Schema:
+      properties:
+        spec:
+          properties:
+            replicas:
+              type: integer
+              minimum: 1
+              maximum: 10
--- a/code-of-conduct.md
+++ b/code-of-conduct.md
@@ -0,0 +1,3 @@
+# Kubernetes Community Code of Conduct
+
+Please refer to our [Kubernetes Community Code of Conduct](https://git.k8s.io/community/code-of-conduct.md)
--- a/controller.go
+++ b/controller.go
@@ -17,31 +17,31 @@ limitations under the License.
 package main

 import (
+	"context"
 	"fmt"
 	"time"

-	"github.com/golang/glog"
-	appsv1beta2 "k8s.io/api/apps/v1beta2"
+	appsv1 "k8s.io/api/apps/v1"
 	corev1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/runtime/schema"
-	"k8s.io/apimachinery/pkg/util/runtime"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	"k8s.io/apimachinery/pkg/util/wait"
-	kubeinformers "k8s.io/client-go/informers"
+	appsinformers "k8s.io/client-go/informers/apps/v1"
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/kubernetes/scheme"
 	typedcorev1 "k8s.io/client-go/kubernetes/typed/core/v1"
-	appslisters "k8s.io/client-go/listers/apps/v1beta2"
+	appslisters "k8s.io/client-go/listers/apps/v1"
 	"k8s.io/client-go/tools/cache"
 	"k8s.io/client-go/tools/record"
 	"k8s.io/client-go/util/workqueue"
+	"k8s.io/klog/v2"

 	samplev1alpha1 "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
-	clientset "k8s.io/sample-controller/pkg/client/clientset/versioned"
-	samplescheme "k8s.io/sample-controller/pkg/client/clientset/versioned/scheme"
-	informers "k8s.io/sample-controller/pkg/client/informers/externalversions"
-	listers "k8s.io/sample-controller/pkg/client/listers/samplecontroller/v1alpha1"
+	clientset "k8s.io/sample-controller/pkg/generated/clientset/versioned"
+	samplescheme "k8s.io/sample-controller/pkg/generated/clientset/versioned/scheme"
+	informers "k8s.io/sample-controller/pkg/generated/informers/externalversions/samplecontroller/v1alpha1"
+	listers "k8s.io/sample-controller/pkg/generated/listers/samplecontroller/v1alpha1"
 )

 const controllerAgentName = "sample-controller"
@@ -88,21 +88,16 @@ type Controller struct {
 func NewController(
 	kubeclientset kubernetes.Interface,
 	sampleclientset clientset.Interface,
-	kubeInformerFactory kubeinformers.SharedInformerFactory,
-	sampleInformerFactory informers.SharedInformerFactory) *Controller {
-
-	// obtain references to shared index informers for the Deployment and Foo
-	// types.
-	deploymentInformer := kubeInformerFactory.Apps().V1beta2().Deployments()
-	fooInformer := sampleInformerFactory.Samplecontroller().V1alpha1().Foos()
+	deploymentInformer appsinformers.DeploymentInformer,
+	fooInformer informers.FooInformer) *Controller {

 	// Create event broadcaster
 	// Add sample-controller types to the default Kubernetes Scheme so Events can be
 	// logged for sample-controller types.
-	samplescheme.AddToScheme(scheme.Scheme)
-	glog.V(4).Info("Creating event broadcaster")
+	utilruntime.Must(samplescheme.AddToScheme(scheme.Scheme))
+	klog.V(4).Info("Creating event broadcaster")
 	eventBroadcaster := record.NewBroadcaster()
-	eventBroadcaster.StartLogging(glog.Infof)
+	eventBroadcaster.StartStructuredLogging(0)
 	eventBroadcaster.StartRecordingToSink(&typedcorev1.EventSinkImpl{Interface: kubeclientset.CoreV1().Events("")})
 	recorder := eventBroadcaster.NewRecorder(scheme.Scheme, corev1.EventSource{Component: controllerAgentName})

@@ -117,7 +112,7 @@ func NewController(
 		recorder:          recorder,
 	}

-	glog.Info("Setting up event handlers")
+	klog.Info("Setting up event handlers")
 	// Set up an event handler for when Foo resources change
 	fooInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
 		AddFunc: controller.enqueueFoo,
@@ -134,8 +129,8 @@ func NewController(
 	deploymentInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{
 		AddFunc: controller.handleObject,
 		UpdateFunc: func(old, new interface{}) {
-			newDepl := new.(*appsv1beta2.Deployment)
-			oldDepl := old.(*appsv1beta2.Deployment)
+			newDepl := new.(*appsv1.Deployment)
+			oldDepl := old.(*appsv1.Deployment)
 			if newDepl.ResourceVersion == oldDepl.ResourceVersion {
 				// Periodic resync will send update events for all known Deployments.
 				// Two different versions of the same Deployment will always have different RVs.
@@ -154,27 +149,27 @@ func NewController(
 // is closed, at which point it will shutdown the workqueue and wait for
 // workers to finish processing their current work items.
 func (c *Controller) Run(threadiness int, stopCh <-chan struct{}) error {
-	defer runtime.HandleCrash()
+	defer utilruntime.HandleCrash()
 	defer c.workqueue.ShutDown()

 	// Start the informer factories to begin populating the informer caches
-	glog.Info("Starting Foo controller")
+	klog.Info("Starting Foo controller")

 	// Wait for the caches to be synced before starting workers
-	glog.Info("Waiting for informer caches to sync")
+	klog.Info("Waiting for informer caches to sync")
 	if ok := cache.WaitForCacheSync(stopCh, c.deploymentsSynced, c.foosSynced); !ok {
 		return fmt.Errorf("failed to wait for caches to sync")
 	}

-	glog.Info("Starting workers")
+	klog.Info("Starting workers")
 	// Launch two workers to process Foo resources
 	for i := 0; i < threadiness; i++ {
 		go wait.Until(c.runWorker, time.Second, stopCh)
 	}

-	glog.Info("Started workers")
+	klog.Info("Started workers")
 	<-stopCh
-	glog.Info("Shutting down workers")
+	klog.Info("Shutting down workers")

 	return nil
 }
@@ -217,23 +212,25 @@ func (c *Controller) processNextWorkItem() bool {
 			// Forget here else we'd go into a loop of attempting to
 			// process a work item that is invalid.
 			c.workqueue.Forget(obj)
-			runtime.HandleError(fmt.Errorf("expected string in workqueue but got %#v", obj))
+			utilruntime.HandleError(fmt.Errorf("expected string in workqueue but got %#v", obj))
 			return nil
 		}
 		// Run the syncHandler, passing it the namespace/name string of the
 		// Foo resource to be synced.
 		if err := c.syncHandler(key); err != nil {
-			return fmt.Errorf("error syncing '%s': %s", key, err.Error())
+			// Put the item back on the workqueue to handle any transient errors.
+			c.workqueue.AddRateLimited(key)
+			return fmt.Errorf("error syncing '%s': %s, requeuing", key, err.Error())
 		}
 		// Finally, if no error occurs we Forget this item so it does not
 		// get queued again until another change happens.
 		c.workqueue.Forget(obj)
-		glog.Infof("Successfully synced '%s'", key)
+		klog.Infof("Successfully synced '%s'", key)
 		return nil
 	}(obj)

 	if err != nil {
-		runtime.HandleError(err)
+		utilruntime.HandleError(err)
 		return true
 	}

@@ -247,7 +244,7 @@ func (c *Controller) syncHandler(key string) error {
 	// Convert the namespace/name string into a distinct namespace and name
 	namespace, name, err := cache.SplitMetaNamespaceKey(key)
 	if err != nil {
-		runtime.HandleError(fmt.Errorf("invalid resource key: %s", key))
+		utilruntime.HandleError(fmt.Errorf("invalid resource key: %s", key))
 		return nil
 	}

@@ -257,7 +254,7 @@ func (c *Controller) syncHandler(key string) error {
 		// The Foo resource may no longer exist, in which case we stop
 		// processing.
 		if errors.IsNotFound(err) {
-			runtime.HandleError(fmt.Errorf("foo '%s' in work queue no longer exists", key))
+			utilruntime.HandleError(fmt.Errorf("foo '%s' in work queue no longer exists", key))
 			return nil
 		}

@@ -269,7 +266,7 @@ func (c *Controller) syncHandler(key string) error {
 		// We choose to absorb the error here as the worker would requeue the
 		// resource otherwise. Instead, the next time the resource is updated
 		// the resource will be queued again.
-		runtime.HandleError(fmt.Errorf("%s: deployment name must be specified", key))
+		utilruntime.HandleError(fmt.Errorf("%s: deployment name must be specified", key))
 		return nil
 	}

@@ -277,7 +274,7 @@ func (c *Controller) syncHandler(key string) error {
 	deployment, err := c.deploymentsLister.Deployments(foo.Namespace).Get(deploymentName)
 	// If the resource doesn't exist, we'll create it
 	if errors.IsNotFound(err) {
-		deployment, err = c.kubeclientset.AppsV1beta2().Deployments(foo.Namespace).Create(newDeployment(foo))
+		deployment, err = c.kubeclientset.AppsV1().Deployments(foo.Namespace).Create(context.TODO(), newDeployment(foo), metav1.CreateOptions{})
 	}

 	// If an error occurs during Get/Create, we'll requeue the item so we can
@@ -288,7 +285,7 @@ func (c *Controller) syncHandler(key string) error {
 	}

 	// If the Deployment is not controlled by this Foo resource, we should log
-	// a warning to the event recorder and ret
+	// a warning to the event recorder and return error msg.
 	if !metav1.IsControlledBy(deployment, foo) {
 		msg := fmt.Sprintf(MessageResourceExists, deployment.Name)
 		c.recorder.Event(foo, corev1.EventTypeWarning, ErrResourceExists, msg)
@@ -299,12 +296,12 @@ func (c *Controller) syncHandler(key string) error {
 	// number does not equal the current desired replicas on the Deployment, we
 	// should update the Deployment resource.
 	if foo.Spec.Replicas != nil && *foo.Spec.Replicas != *deployment.Spec.Replicas {
-		glog.V(4).Infof("Foor: %d, deplR: %d", *foo.Spec.Replicas, *deployment.Spec.Replicas)
-		deployment, err = c.kubeclientset.AppsV1beta2().Deployments(foo.Namespace).Update(newDeployment(foo))
+		klog.V(4).Infof("Foo %s replicas: %d, deployment replicas: %d", name, *foo.Spec.Replicas, *deployment.Spec.Replicas)
+		deployment, err = c.kubeclientset.AppsV1().Deployments(foo.Namespace).Update(context.TODO(), newDeployment(foo), metav1.UpdateOptions{})
 	}

 	// If an error occurs during Update, we'll requeue the item so we can
-	// attempt processing again later. THis could have been caused by a
+	// attempt processing again later. This could have been caused by a
 	// temporary network failure, or any other transient reason.
 	if err != nil {
 		return err
@@ -321,17 +318,17 @@ func (c *Controller) syncHandler(key string) error {
 	return nil
 }

-func (c *Controller) updateFooStatus(foo *samplev1alpha1.Foo, deployment *appsv1beta2.Deployment) error {
+func (c *Controller) updateFooStatus(foo *samplev1alpha1.Foo, deployment *appsv1.Deployment) error {
 	// NEVER modify objects from the store. It's a read-only, local cache.
 	// You can use DeepCopy() to make a deep copy of original object and modify this copy
 	// Or create a copy manually for better performance
 	fooCopy := foo.DeepCopy()
 	fooCopy.Status.AvailableReplicas = deployment.Status.AvailableReplicas
-	// Until #38113 is merged, we must use Update instead of UpdateStatus to
-	// update the Status block of the Foo resource. UpdateStatus will not
-	// allow changes to the Spec of the resource, which is ideal for ensuring
-	// nothing other than resource status has been updated.
-	_, err := c.sampleclientset.SamplecontrollerV1alpha1().Foos(foo.Namespace).Update(fooCopy)
+	// If the CustomResourceSubresources feature gate is not enabled,
+	// we must use Update instead of UpdateStatus to update the Status block of the Foo resource.
+	// UpdateStatus will not allow changes to the Spec of the resource,
+	// which is ideal for ensuring nothing other than resource status has been updated.
+	_, err := c.sampleclientset.SamplecontrollerV1alpha1().Foos(foo.Namespace).Update(context.TODO(), fooCopy, metav1.UpdateOptions{})
 	return err
 }

@@ -342,10 +339,10 @@ func (c *Controller) enqueueFoo(obj interface{}) {
 	var key string
 	var err error
 	if key, err = cache.MetaNamespaceKeyFunc(obj); err != nil {
-		runtime.HandleError(err)
+		utilruntime.HandleError(err)
 		return
 	}
-	c.workqueue.AddRateLimited(key)
+	c.workqueue.Add(key)
 }

 // handleObject will take any resource implementing metav1.Object and attempt
@@ -359,17 +356,17 @@ func (c *Controller) handleObject(obj interface{}) {
 	if object, ok = obj.(metav1.Object); !ok {
 		tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
 		if !ok {
-			runtime.HandleError(fmt.Errorf("error decoding object, invalid type"))
+			utilruntime.HandleError(fmt.Errorf("error decoding object, invalid type"))
 			return
 		}
 		object, ok = tombstone.Obj.(metav1.Object)
 		if !ok {
-			runtime.HandleError(fmt.Errorf("error decoding object tombstone, invalid type"))
+			utilruntime.HandleError(fmt.Errorf("error decoding object tombstone, invalid type"))
 			return
 		}
-		glog.V(4).Infof("Recovered deleted object '%s' from tombstone", object.GetName())
+		klog.V(4).Infof("Recovered deleted object '%s' from tombstone", object.GetName())
 	}
-	glog.V(4).Infof("Processing object: %s", object.GetName())
+	klog.V(4).Infof("Processing object: %s", object.GetName())
 	if ownerRef := metav1.GetControllerOf(object); ownerRef != nil {
 		// If this object is not owned by a Foo, we should not do anything more
 		// with it.
@@ -379,7 +376,7 @@ func (c *Controller) handleObject(obj interface{}) {

 		foo, err := c.foosLister.Foos(object.GetNamespace()).Get(ownerRef.Name)
 		if err != nil {
-			glog.V(4).Infof("ignoring orphaned object '%s' of foo '%s'", object.GetSelfLink(), ownerRef.Name)
+			klog.V(4).Infof("ignoring orphaned object '%s' of foo '%s'", object.GetSelfLink(), ownerRef.Name)
 			return
 		}

@@ -391,24 +388,20 @@ func (c *Controller) handleObject(obj interface{}) {
 // newDeployment creates a new Deployment for a Foo resource. It also sets
 // the appropriate OwnerReferences on the resource so handleObject can discover
 // the Foo resource that 'owns' it.
-func newDeployment(foo *samplev1alpha1.Foo) *appsv1beta2.Deployment {
+func newDeployment(foo *samplev1alpha1.Foo) *appsv1.Deployment {
 	labels := map[string]string{
 		"app":        "nginx",
 		"controller": foo.Name,
 	}
-	return &appsv1beta2.Deployment{
+	return &appsv1.Deployment{
 		ObjectMeta: metav1.ObjectMeta{
 			Name:      foo.Spec.DeploymentName,
 			Namespace: foo.Namespace,
 			OwnerReferences: []metav1.OwnerReference{
-				*metav1.NewControllerRef(foo, schema.GroupVersionKind{
-					Group:   samplev1alpha1.SchemeGroupVersion.Group,
-					Version: samplev1alpha1.SchemeGroupVersion.Version,
-					Kind:    "Foo",
-				}),
+				*metav1.NewControllerRef(foo, samplev1alpha1.SchemeGroupVersion.WithKind("Foo")),
 			},
 		},
-		Spec: appsv1beta2.DeploymentSpec{
+		Spec: appsv1.DeploymentSpec{
 			Replicas: foo.Spec.Replicas,
 			Selector: &metav1.LabelSelector{
 				MatchLabels: labels,
--- a/controller_test.go
+++ b/controller_test.go
@@ -0,0 +1,316 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package main
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+	"time"
+
+	apps "k8s.io/api/apps/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/util/diff"
+	kubeinformers "k8s.io/client-go/informers"
+	k8sfake "k8s.io/client-go/kubernetes/fake"
+	core "k8s.io/client-go/testing"
+	"k8s.io/client-go/tools/cache"
+	"k8s.io/client-go/tools/record"
+
+	samplecontroller "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
+	"k8s.io/sample-controller/pkg/generated/clientset/versioned/fake"
+	informers "k8s.io/sample-controller/pkg/generated/informers/externalversions"
+)
+
+var (
+	alwaysReady        = func() bool { return true }
+	noResyncPeriodFunc = func() time.Duration { return 0 }
+)
+
+type fixture struct {
+	t *testing.T
+
+	client     *fake.Clientset
+	kubeclient *k8sfake.Clientset
+	// Objects to put in the store.
+	fooLister        []*samplecontroller.Foo
+	deploymentLister []*apps.Deployment
+	// Actions expected to happen on the client.
+	kubeactions []core.Action
+	actions     []core.Action
+	// Objects from here preloaded into NewSimpleFake.
+	kubeobjects []runtime.Object
+	objects     []runtime.Object
+}
+
+func newFixture(t *testing.T) *fixture {
+	f := &fixture{}
+	f.t = t
+	f.objects = []runtime.Object{}
+	f.kubeobjects = []runtime.Object{}
+	return f
+}
+
+func newFoo(name string, replicas *int32) *samplecontroller.Foo {
+	return &samplecontroller.Foo{
+		TypeMeta: metav1.TypeMeta{APIVersion: samplecontroller.SchemeGroupVersion.String()},
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      name,
+			Namespace: metav1.NamespaceDefault,
+		},
+		Spec: samplecontroller.FooSpec{
+			DeploymentName: fmt.Sprintf("%s-deployment", name),
+			Replicas:       replicas,
+		},
+	}
+}
+
+func (f *fixture) newController() (*Controller, informers.SharedInformerFactory, kubeinformers.SharedInformerFactory) {
+	f.client = fake.NewSimpleClientset(f.objects...)
+	f.kubeclient = k8sfake.NewSimpleClientset(f.kubeobjects...)
+
+	i := informers.NewSharedInformerFactory(f.client, noResyncPeriodFunc())
+	k8sI := kubeinformers.NewSharedInformerFactory(f.kubeclient, noResyncPeriodFunc())
+
+	c := NewController(f.kubeclient, f.client,
+		k8sI.Apps().V1().Deployments(), i.Samplecontroller().V1alpha1().Foos())
+
+	c.foosSynced = alwaysReady
+	c.deploymentsSynced = alwaysReady
+	c.recorder = &record.FakeRecorder{}
+
+	for _, f := range f.fooLister {
+		i.Samplecontroller().V1alpha1().Foos().Informer().GetIndexer().Add(f)
+	}
+
+	for _, d := range f.deploymentLister {
+		k8sI.Apps().V1().Deployments().Informer().GetIndexer().Add(d)
+	}
+
+	return c, i, k8sI
+}
+
+func (f *fixture) run(fooName string) {
+	f.runController(fooName, true, false)
+}
+
+func (f *fixture) runExpectError(fooName string) {
+	f.runController(fooName, true, true)
+}
+
+func (f *fixture) runController(fooName string, startInformers bool, expectError bool) {
+	c, i, k8sI := f.newController()
+	if startInformers {
+		stopCh := make(chan struct{})
+		defer close(stopCh)
+		i.Start(stopCh)
+		k8sI.Start(stopCh)
+	}
+
+	err := c.syncHandler(fooName)
+	if !expectError && err != nil {
+		f.t.Errorf("error syncing foo: %v", err)
+	} else if expectError && err == nil {
+		f.t.Error("expected error syncing foo, got nil")
+	}
+
+	actions := filterInformerActions(f.client.Actions())
+	for i, action := range actions {
+		if len(f.actions) < i+1 {
+			f.t.Errorf("%d unexpected actions: %+v", len(actions)-len(f.actions), actions[i:])
+			break
+		}
+
+		expectedAction := f.actions[i]
+		checkAction(expectedAction, action, f.t)
+	}
+
+	if len(f.actions) > len(actions) {
+		f.t.Errorf("%d additional expected actions:%+v", len(f.actions)-len(actions), f.actions[len(actions):])
+	}
+
+	k8sActions := filterInformerActions(f.kubeclient.Actions())
+	for i, action := range k8sActions {
+		if len(f.kubeactions) < i+1 {
+			f.t.Errorf("%d unexpected actions: %+v", len(k8sActions)-len(f.kubeactions), k8sActions[i:])
+			break
+		}
+
+		expectedAction := f.kubeactions[i]
+		checkAction(expectedAction, action, f.t)
+	}
+
+	if len(f.kubeactions) > len(k8sActions) {
+		f.t.Errorf("%d additional expected actions:%+v", len(f.kubeactions)-len(k8sActions), f.kubeactions[len(k8sActions):])
+	}
+}
+
+// checkAction verifies that expected and actual actions are equal and both have
+// same attached resources
+func checkAction(expected, actual core.Action, t *testing.T) {
+	if !(expected.Matches(actual.GetVerb(), actual.GetResource().Resource) && actual.GetSubresource() == expected.GetSubresource()) {
+		t.Errorf("Expected\n\t%#v\ngot\n\t%#v", expected, actual)
+		return
+	}
+
+	if reflect.TypeOf(actual) != reflect.TypeOf(expected) {
+		t.Errorf("Action has wrong type. Expected: %t. Got: %t", expected, actual)
+		return
+	}
+
+	switch a := actual.(type) {
+	case core.CreateActionImpl:
+		e, _ := expected.(core.CreateActionImpl)
+		expObject := e.GetObject()
+		object := a.GetObject()
+
+		if !reflect.DeepEqual(expObject, object) {
+			t.Errorf("Action %s %s has wrong object\nDiff:\n %s",
+				a.GetVerb(), a.GetResource().Resource, diff.ObjectGoPrintSideBySide(expObject, object))
+		}
+	case core.UpdateActionImpl:
+		e, _ := expected.(core.UpdateActionImpl)
+		expObject := e.GetObject()
+		object := a.GetObject()
+
+		if !reflect.DeepEqual(expObject, object) {
+			t.Errorf("Action %s %s has wrong object\nDiff:\n %s",
+				a.GetVerb(), a.GetResource().Resource, diff.ObjectGoPrintSideBySide(expObject, object))
+		}
+	case core.PatchActionImpl:
+		e, _ := expected.(core.PatchActionImpl)
+		expPatch := e.GetPatch()
+		patch := a.GetPatch()
+
+		if !reflect.DeepEqual(expPatch, patch) {
+			t.Errorf("Action %s %s has wrong patch\nDiff:\n %s",
+				a.GetVerb(), a.GetResource().Resource, diff.ObjectGoPrintSideBySide(expPatch, patch))
+		}
+	default:
+		t.Errorf("Uncaptured Action %s %s, you should explicitly add a case to capture it",
+			actual.GetVerb(), actual.GetResource().Resource)
+	}
+}
+
+// filterInformerActions filters list and watch actions for testing resources.
+// Since list and watch don't change resource state we can filter it to lower
+// nose level in our tests.
+func filterInformerActions(actions []core.Action) []core.Action {
+	ret := []core.Action{}
+	for _, action := range actions {
+		if len(action.GetNamespace()) == 0 &&
+			(action.Matches("list", "foos") ||
+				action.Matches("watch", "foos") ||
+				action.Matches("list", "deployments") ||
+				action.Matches("watch", "deployments")) {
+			continue
+		}
+		ret = append(ret, action)
+	}
+
+	return ret
+}
+
+func (f *fixture) expectCreateDeploymentAction(d *apps.Deployment) {
+	f.kubeactions = append(f.kubeactions, core.NewCreateAction(schema.GroupVersionResource{Resource: "deployments"}, d.Namespace, d))
+}
+
+func (f *fixture) expectUpdateDeploymentAction(d *apps.Deployment) {
+	f.kubeactions = append(f.kubeactions, core.NewUpdateAction(schema.GroupVersionResource{Resource: "deployments"}, d.Namespace, d))
+}
+
+func (f *fixture) expectUpdateFooStatusAction(foo *samplecontroller.Foo) {
+	action := core.NewUpdateAction(schema.GroupVersionResource{Resource: "foos"}, foo.Namespace, foo)
+	// TODO: Until #38113 is merged, we can't use Subresource
+	//action.Subresource = "status"
+	f.actions = append(f.actions, action)
+}
+
+func getKey(foo *samplecontroller.Foo, t *testing.T) string {
+	key, err := cache.DeletionHandlingMetaNamespaceKeyFunc(foo)
+	if err != nil {
+		t.Errorf("Unexpected error getting key for foo %v: %v", foo.Name, err)
+		return ""
+	}
+	return key
+}
+
+func TestCreatesDeployment(t *testing.T) {
+	f := newFixture(t)
+	foo := newFoo("test", int32Ptr(1))
+
+	f.fooLister = append(f.fooLister, foo)
+	f.objects = append(f.objects, foo)
+
+	expDeployment := newDeployment(foo)
+	f.expectCreateDeploymentAction(expDeployment)
+	f.expectUpdateFooStatusAction(foo)
+
+	f.run(getKey(foo, t))
+}
+
+func TestDoNothing(t *testing.T) {
+	f := newFixture(t)
+	foo := newFoo("test", int32Ptr(1))
+	d := newDeployment(foo)
+
+	f.fooLister = append(f.fooLister, foo)
+	f.objects = append(f.objects, foo)
+	f.deploymentLister = append(f.deploymentLister, d)
+	f.kubeobjects = append(f.kubeobjects, d)
+
+	f.expectUpdateFooStatusAction(foo)
+	f.run(getKey(foo, t))
+}
+
+func TestUpdateDeployment(t *testing.T) {
+	f := newFixture(t)
+	foo := newFoo("test", int32Ptr(1))
+	d := newDeployment(foo)
+
+	// Update replicas
+	foo.Spec.Replicas = int32Ptr(2)
+	expDeployment := newDeployment(foo)
+
+	f.fooLister = append(f.fooLister, foo)
+	f.objects = append(f.objects, foo)
+	f.deploymentLister = append(f.deploymentLister, d)
+	f.kubeobjects = append(f.kubeobjects, d)
+
+	f.expectUpdateFooStatusAction(foo)
+	f.expectUpdateDeploymentAction(expDeployment)
+	f.run(getKey(foo, t))
+}
+
+func TestNotControlledByUs(t *testing.T) {
+	f := newFixture(t)
+	foo := newFoo("test", int32Ptr(1))
+	d := newDeployment(foo)
+
+	d.ObjectMeta.OwnerReferences = []metav1.OwnerReference{}
+
+	f.fooLister = append(f.fooLister, foo)
+	f.objects = append(f.objects, foo)
+	f.deploymentLister = append(f.deploymentLister, d)
+	f.kubeobjects = append(f.kubeobjects, d)
+
+	f.runExpectError(getKey(foo, t))
+}
+
+func int32Ptr(i int32) *int32 { return &i }
--- a/docs/controller-client-go.md
+++ b/docs/controller-client-go.md
@@ -0,0 +1,64 @@
+# client-go under the hood
+
+The [client-go](https://github.com/kubernetes/client-go/) library contains various mechanisms that you can use when
+developing your custom controllers. These mechanisms are defined in the
+[tools/cache folder](https://github.com/kubernetes/client-go/tree/master/tools/cache) of the library.
+
+Here is a pictorial representation showing how the various components in
+the client-go library work and their interaction points with the custom
+controller code that you will write.
+
+<p align="center">
+  <img src="images/client-go-controller-interaction.jpeg" height="600" width="700"/>
+</p>
+
+## client-go components
+
+* Reflector: A reflector, which is defined in [type *Reflector* inside package *cache*](https://github.com/kubernetes/client-go/blob/master/tools/cache/reflector.go),
+watches the Kubernetes API for the specified resource type (kind).
+The function in which this is done is *ListAndWatch*.
+The watch could be for an in-built resource or it could be for a custom resource.
+When the reflector receives notification about existence of new
+resource instance through the watch API, it gets the newly created object
+using the corresponding listing API and puts it in the Delta Fifo queue
+inside the *watchHandler* function.
+
+
+* Informer: An informer defined in the [base controller inside package *cache*](https://github.com/kubernetes/client-go/blob/master/tools/cache/controller.go) pops objects from the Delta Fifo queue.
+The function in which this is done is *processLoop*. The job of this base controller
+is to save the object for later retrieval, and to invoke our controller passing it the object.
+
+* Indexer: An indexer provides indexing functionality over objects.
+It is defined in [type *Indexer* inside package *cache*](https://github.com/kubernetes/client-go/blob/master/tools/cache/index.go). A typical indexing use-case is to create an index based on object labels. Indexer can
+maintain indexes based on several indexing functions.
+Indexer uses a thread-safe data store to store objects and their keys.
+There is a default function named *MetaNamespaceKeyFunc* defined in [type Store inside package cache](https://github.com/kubernetes/client-go/blob/master/tools/cache/store.go)
+that generates an object’s key as `<namespace>/<name>` combination for that object.
+
+
+## Custom Controller components
+
+* Informer reference: This is the reference to the Informer instance that knows
+how to work with your custom resource objects. Your custom controller code needs
+to create the appropriate Informer.
+
+* Indexer reference: This is the reference to the Indexer instance that knows
+how to work with your custom resource objects. Your custom controller code needs
+to create this. You will be using this reference for retrieving objects for
+later processing.
+
+The base controller in client-go provides the *NewIndexerInformer* function to create Informer and Indexer.
+In your code you can either [directly invoke this function](https://github.com/kubernetes/client-go/blob/master/examples/workqueue/main.go#L174) or [use factory methods for creating an informer.](https://github.com/kubernetes/sample-controller/blob/master/main.go#L61)
+
+* Resource Event Handlers: These are the callback functions which will be called by
+the Informer when it wants to deliver an object to your controller. The typical
+pattern to write these functions is to obtain the dispatched object’s key
+and enqueue that key in a work queue for further processing.
+
+* Work queue: This is the queue that you create in your controller code to decouple
+delivery of an object from its processing. Resource event handler functions are written
+to extract the delivered object’s key and add that to the work queue.
+
+* Process Item: This is the function that you create in your code which processes items
+from the work queue. There can be one or more other functions that do the actual processing.
+These functions will typically use the [Indexer reference](https://github.com/kubernetes/client-go/blob/master/examples/workqueue/main.go#L73), or a Listing wrapper to retrieve the object corresponding to the key.
--- a/docs/images/client-go-controller-interaction.jpeg
+++ b/docs/images/client-go-controller-interaction.jpeg
--- a/go.mod
+++ b/go.mod
@@ -0,0 +1,20 @@
+// This is a generated file. Do not edit directly.
+
+module k8s.io/sample-controller
+
+go 1.16
+
+require (
+	k8s.io/api v0.21.6
+	k8s.io/apimachinery v0.21.6
+	k8s.io/client-go v0.21.6
+	k8s.io/code-generator v0.21.6
+	k8s.io/klog/v2 v2.9.0
+)
+
+replace (
+	k8s.io/api => k8s.io/api v0.21.6
+	k8s.io/apimachinery => k8s.io/apimachinery v0.21.6
+	k8s.io/client-go => k8s.io/client-go v0.21.6
+	k8s.io/code-generator => k8s.io/code-generator v0.21.6
+)
--- a/go.sum
+++ b/go.sum
@@ -0,0 +1,449 @@
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+sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=
+sigs.k8s.io/structured-merge-diff/v4 v4.1.2 h1:Hr/htKFmJEbtMgS/UD0N+gtgctAqz81t3nu+sPzynno=
+sigs.k8s.io/structured-merge-diff/v4 v4.1.2/go.mod h1:j/nl6xW8vLS49O8YvXW1ocPhZawJtm+Yrr7PPRQ0Vg4=
+sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
+sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
--- a/vendor/k8s.io/client-go/kubernetes/typed/authorization/v1/generated_expansion.go
+++ b/vendor/k8s.io/client-go/kubernetes/typed/authorization/v1/generated_expansion.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,4 +14,3 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

-package v1
--- a/vendor/k8s.io/client-go/kubernetes/typed/admissionregistration/v1beta1/generated_expansion.go
+++ b/vendor/k8s.io/client-go/kubernetes/typed/admissionregistration/v1beta1/generated_expansion.go
@@ -1,5 +1,7 @@
+// +build tools
+
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright 2019 The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,8 +16,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

-package v1beta1
+// This package imports things required by build scripts, to force `go mod` to see them as dependencies
+package tools

-type MutatingWebhookConfigurationExpansion interface{}
-
-type ValidatingWebhookConfigurationExpansion interface{}
+import _ "k8s.io/code-generator"
--- a/hack/update-codegen.sh
+++ b/hack/update-codegen.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash

 # Copyright 2017 The Kubernetes Authors.
 #
@@ -18,17 +18,18 @@ set -o errexit
 set -o nounset
 set -o pipefail

-SCRIPT_ROOT=$(dirname ${BASH_SOURCE})/..
-CODEGEN_PKG=${CODEGEN_PKG:-$(cd ${SCRIPT_ROOT}; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ../code-generator)}
+SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
+CODEGEN_PKG=${CODEGEN_PKG:-$(cd "${SCRIPT_ROOT}"; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ../code-generator)}

 # generate the code with:
 # --output-base    because this script should also be able to run inside the vendor dir of
 #                  k8s.io/kubernetes. The output-base is needed for the generators to output into the vendor dir
 #                  instead of the $GOPATH directly. For normal projects this can be dropped.
-${CODEGEN_PKG}/generate-groups.sh "deepcopy,client,informer,lister" \
-  k8s.io/sample-controller/pkg/client k8s.io/sample-controller/pkg/apis \
+bash "${CODEGEN_PKG}"/generate-groups.sh "deepcopy,client,informer,lister" \
+  k8s.io/sample-controller/pkg/generated k8s.io/sample-controller/pkg/apis \
  samplecontroller:v1alpha1 \
-  --output-base "$(dirname ${BASH_SOURCE})/../../.."
+  --output-base "$(dirname "${BASH_SOURCE[0]}")/../../.." \
+  --go-header-file "${SCRIPT_ROOT}"/hack/boilerplate.go.txt

 # To use your own boilerplate text append:
-#   --go-header-file ${SCRIPT_ROOT}/hack/custom-boilerplate.go.txt
+#   --go-header-file "${SCRIPT_ROOT}"/hack/custom-boilerplate.go.txt
--- a/hack/verify-codegen.sh
+++ b/hack/verify-codegen.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash

 # Copyright 2017 The Kubernetes Authors.
 #
@@ -18,7 +18,7 @@ set -o errexit
 set -o nounset
 set -o pipefail

-SCRIPT_ROOT=$(dirname "${BASH_SOURCE}")/..
+SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..

 DIFFROOT="${SCRIPT_ROOT}/pkg"
 TMP_DIFFROOT="${SCRIPT_ROOT}/_tmp/pkg"
--- a/main.go
+++ b/main.go
@@ -20,15 +20,15 @@ import (
 	"flag"
 	"time"

-	"github.com/golang/glog"
 	kubeinformers "k8s.io/client-go/informers"
 	"k8s.io/client-go/kubernetes"
 	"k8s.io/client-go/tools/clientcmd"
+	"k8s.io/klog/v2"
 	// Uncomment the following line to load the gcp plugin (only required to authenticate against GKE clusters).
 	// _ "k8s.io/client-go/plugin/pkg/client/auth/gcp"

-	clientset "k8s.io/sample-controller/pkg/client/clientset/versioned"
-	informers "k8s.io/sample-controller/pkg/client/informers/externalversions"
+	clientset "k8s.io/sample-controller/pkg/generated/clientset/versioned"
+	informers "k8s.io/sample-controller/pkg/generated/informers/externalversions"
 	"k8s.io/sample-controller/pkg/signals"
 )

@@ -38,6 +38,7 @@ var (
 )

 func main() {
+	klog.InitFlags(nil)
 	flag.Parse()

 	// set up signals so we handle the first shutdown signal gracefully
@@ -45,29 +46,33 @@ func main() {

 	cfg, err := clientcmd.BuildConfigFromFlags(masterURL, kubeconfig)
 	if err != nil {
-		glog.Fatalf("Error building kubeconfig: %s", err.Error())
+		klog.Fatalf("Error building kubeconfig: %s", err.Error())
 	}

 	kubeClient, err := kubernetes.NewForConfig(cfg)
 	if err != nil {
-		glog.Fatalf("Error building kubernetes clientset: %s", err.Error())
+		klog.Fatalf("Error building kubernetes clientset: %s", err.Error())
 	}

 	exampleClient, err := clientset.NewForConfig(cfg)
 	if err != nil {
-		glog.Fatalf("Error building example clientset: %s", err.Error())
+		klog.Fatalf("Error building example clientset: %s", err.Error())
 	}

 	kubeInformerFactory := kubeinformers.NewSharedInformerFactory(kubeClient, time.Second*30)
 	exampleInformerFactory := informers.NewSharedInformerFactory(exampleClient, time.Second*30)

-	controller := NewController(kubeClient, exampleClient, kubeInformerFactory, exampleInformerFactory)
+	controller := NewController(kubeClient, exampleClient,
+		kubeInformerFactory.Apps().V1().Deployments(),
+		exampleInformerFactory.Samplecontroller().V1alpha1().Foos())

-	go kubeInformerFactory.Start(stopCh)
-	go exampleInformerFactory.Start(stopCh)
+	// notice that there is no need to run Start methods in a separate goroutine. (i.e. go kubeInformerFactory.Start(stopCh)
+	// Start method is non-blocking and runs all registered informers in a dedicated goroutine.
+	kubeInformerFactory.Start(stopCh)
+	exampleInformerFactory.Start(stopCh)

 	if err = controller.Run(2, stopCh); err != nil {
-		glog.Fatalf("Error running controller: %s", err.Error())
+		klog.Fatalf("Error running controller: %s", err.Error())
 	}
 }

--- a/pkg/apis/samplecontroller/BUILD
+++ b/pkg/apis/samplecontroller/BUILD
@@ -1,25 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = ["register.go"],
-    importpath = "k8s.io/sample-controller/pkg/apis/samplecontroller",
-    visibility = ["//visibility:public"],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [
-        ":package-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1:all-srcs",
-    ],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/pkg/apis/samplecontroller/register.go
+++ b/pkg/apis/samplecontroller/register.go
@@ -16,6 +16,7 @@ limitations under the License.

 package samplecontroller

+// GroupName is the group name used in this package
 const (
 	GroupName = "samplecontroller.k8s.io"
 )
--- a/pkg/apis/samplecontroller/v1alpha1/BUILD
+++ b/pkg/apis/samplecontroller/v1alpha1/BUILD
@@ -1,33 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "doc.go",
-        "register.go",
-        "types.go",
-        "zz_generated.deepcopy.go",
-    ],
-    importpath = "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/apis/samplecontroller:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [":package-srcs"],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/pkg/apis/samplecontroller/v1alpha1/doc.go
+++ b/pkg/apis/samplecontroller/v1alpha1/doc.go
@@ -15,7 +15,7 @@ limitations under the License.
 */

 // +k8s:deepcopy-gen=package
+// +groupName=samplecontroller.k8s.io

 // Package v1alpha1 is the v1alpha1 version of the API.
-// +groupName=samplecontroller.k8s.io
-package v1alpha1
+package v1alpha1 // import "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
--- a/pkg/apis/samplecontroller/v1alpha1/register.go
+++ b/pkg/apis/samplecontroller/v1alpha1/register.go
@@ -17,6 +17,7 @@ limitations under the License.
 package v1alpha1

 import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"

@@ -37,8 +38,10 @@ func Resource(resource string) schema.GroupResource {
 }

 var (
+	// SchemeBuilder initializes a scheme builder
 	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
-	AddToScheme   = SchemeBuilder.AddToScheme
+	// AddToScheme is a global function that registers this API group & version to a scheme
+	AddToScheme = SchemeBuilder.AddToScheme
 )

 // Adds the list of known types to Scheme.
@@ -47,5 +50,6 @@ func addKnownTypes(scheme *runtime.Scheme) error {
 		&Foo{},
 		&FooList{},
 	)
+	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
 	return nil
 }
--- a/pkg/apis/samplecontroller/v1alpha1/types.go
+++ b/pkg/apis/samplecontroller/v1alpha1/types.go
@@ -21,7 +21,6 @@ import (
 )

 // +genclient
-// +genclient:noStatus
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

 // Foo is a specification for a Foo resource
--- a/pkg/apis/samplecontroller/v1alpha1/zz_generated.deepcopy.go
+++ b/pkg/apis/samplecontroller/v1alpha1/zz_generated.deepcopy.go
@@ -1,7 +1,7 @@
 // +build !ignore_autogenerated

 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -16,7 +16,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

-// This file was autogenerated by deepcopy-gen. Do not edit it manually!
+// Code generated by deepcopy-gen. DO NOT EDIT.

 package v1alpha1

@@ -48,16 +48,15 @@ func (in *Foo) DeepCopy() *Foo {
 func (in *Foo) DeepCopyObject() runtime.Object {
 	if c := in.DeepCopy(); c != nil {
 		return c
-	} else {
-		return nil
 	}
+	return nil
 }

 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *FooList) DeepCopyInto(out *FooList) {
 	*out = *in
 	out.TypeMeta = in.TypeMeta
-	out.ListMeta = in.ListMeta
+	in.ListMeta.DeepCopyInto(&out.ListMeta)
 	if in.Items != nil {
 		in, out := &in.Items, &out.Items
 		*out = make([]Foo, len(*in))
@@ -82,9 +81,8 @@ func (in *FooList) DeepCopy() *FooList {
 func (in *FooList) DeepCopyObject() runtime.Object {
 	if c := in.DeepCopy(); c != nil {
 		return c
-	} else {
-		return nil
 	}
+	return nil
 }

 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
@@ -92,12 +90,8 @@ func (in *FooSpec) DeepCopyInto(out *FooSpec) {
 	*out = *in
 	if in.Replicas != nil {
 		in, out := &in.Replicas, &out.Replicas
-		if *in == nil {
-			*out = nil
-		} else {
-			*out = new(int32)
-			**out = **in
-		}
+		*out = new(int32)
+		**out = **in
 	}
 	return
 }
--- a/pkg/client/clientset/versioned/BUILD
+++ b/pkg/client/clientset/versioned/BUILD
@@ -1,37 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "clientset.go",
-        "doc.go",
-    ],
-    importpath = "k8s.io/sample-controller/pkg/client/clientset/versioned",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//vendor/github.com/golang/glog:go_default_library",
-        "//vendor/k8s.io/client-go/discovery:go_default_library",
-        "//vendor/k8s.io/client-go/rest:go_default_library",
-        "//vendor/k8s.io/client-go/util/flowcontrol:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [
-        ":package-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/client/clientset/versioned/fake:all-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/client/clientset/versioned/scheme:all-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1:all-srcs",
-    ],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/pkg/client/clientset/versioned/fake/BUILD
+++ b/pkg/client/clientset/versioned/fake/BUILD
@@ -1,40 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "clientset_generated.go",
-        "doc.go",
-        "register.go",
-    ],
-    importpath = "k8s.io/sample-controller/pkg/client/clientset/versioned/fake",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/watch:go_default_library",
-        "//vendor/k8s.io/client-go/discovery:go_default_library",
-        "//vendor/k8s.io/client-go/discovery/fake:go_default_library",
-        "//vendor/k8s.io/client-go/testing:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/clientset/versioned:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1/fake:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [":package-srcs"],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/pkg/client/clientset/versioned/scheme/BUILD
+++ b/pkg/client/clientset/versioned/scheme/BUILD
@@ -1,32 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "doc.go",
-        "register.go",
-    ],
-    importpath = "k8s.io/sample-controller/pkg/client/clientset/versioned/scheme",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [":package-srcs"],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/pkg/client/clientset/versioned/scheme/doc.go
+++ b/pkg/client/clientset/versioned/scheme/doc.go
@@ -1,18 +0,0 @@
-/*
-Copyright 2017 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-// This package contains the scheme of the automatically generated clientset.
-package scheme
--- a/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1/BUILD
+++ b/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1/BUILD
@@ -1,39 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "doc.go",
-        "foo.go",
-        "generated_expansion.go",
-        "samplecontroller_client.go",
-    ],
-    importpath = "k8s.io/sample-controller/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/watch:go_default_library",
-        "//vendor/k8s.io/client-go/rest:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/clientset/versioned/scheme:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [
-        ":package-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1/fake:all-srcs",
-    ],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1/doc.go
+++ b/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1/doc.go
@@ -1,18 +0,0 @@
-/*
-Copyright 2017 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-// This package has the automatically generated typed clients.
-package v1alpha1
--- a/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1/fake/BUILD
+++ b/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1/fake/BUILD
@@ -1,37 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "doc.go",
-        "fake_foo.go",
-        "fake_samplecontroller_client.go",
-    ],
-    importpath = "k8s.io/sample-controller/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1/fake",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/labels:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/watch:go_default_library",
-        "//vendor/k8s.io/client-go/rest:go_default_library",
-        "//vendor/k8s.io/client-go/testing:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [":package-srcs"],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1/foo.go
+++ b/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1/foo.go
@@ -1,155 +0,0 @@
-/*
-Copyright 2017 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package v1alpha1
-
-import (
-	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	types "k8s.io/apimachinery/pkg/types"
-	watch "k8s.io/apimachinery/pkg/watch"
-	rest "k8s.io/client-go/rest"
-	v1alpha1 "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
-	scheme "k8s.io/sample-controller/pkg/client/clientset/versioned/scheme"
-)
-
-// FoosGetter has a method to return a FooInterface.
-// A group's client should implement this interface.
-type FoosGetter interface {
-	Foos(namespace string) FooInterface
-}
-
-// FooInterface has methods to work with Foo resources.
-type FooInterface interface {
-	Create(*v1alpha1.Foo) (*v1alpha1.Foo, error)
-	Update(*v1alpha1.Foo) (*v1alpha1.Foo, error)
-	Delete(name string, options *v1.DeleteOptions) error
-	DeleteCollection(options *v1.DeleteOptions, listOptions v1.ListOptions) error
-	Get(name string, options v1.GetOptions) (*v1alpha1.Foo, error)
-	List(opts v1.ListOptions) (*v1alpha1.FooList, error)
-	Watch(opts v1.ListOptions) (watch.Interface, error)
-	Patch(name string, pt types.PatchType, data []byte, subresources ...string) (result *v1alpha1.Foo, err error)
-	FooExpansion
-}
-
-// foos implements FooInterface
-type foos struct {
-	client rest.Interface
-	ns     string
-}
-
-// newFoos returns a Foos
-func newFoos(c *SamplecontrollerV1alpha1Client, namespace string) *foos {
-	return &foos{
-		client: c.RESTClient(),
-		ns:     namespace,
-	}
-}
-
-// Get takes name of the foo, and returns the corresponding foo object, and an error if there is any.
-func (c *foos) Get(name string, options v1.GetOptions) (result *v1alpha1.Foo, err error) {
-	result = &v1alpha1.Foo{}
-	err = c.client.Get().
-		Namespace(c.ns).
-		Resource("foos").
-		Name(name).
-		VersionedParams(&options, scheme.ParameterCodec).
-		Do().
-		Into(result)
-	return
-}
-
-// List takes label and field selectors, and returns the list of Foos that match those selectors.
-func (c *foos) List(opts v1.ListOptions) (result *v1alpha1.FooList, err error) {
-	result = &v1alpha1.FooList{}
-	err = c.client.Get().
-		Namespace(c.ns).
-		Resource("foos").
-		VersionedParams(&opts, scheme.ParameterCodec).
-		Do().
-		Into(result)
-	return
-}
-
-// Watch returns a watch.Interface that watches the requested foos.
-func (c *foos) Watch(opts v1.ListOptions) (watch.Interface, error) {
-	opts.Watch = true
-	return c.client.Get().
-		Namespace(c.ns).
-		Resource("foos").
-		VersionedParams(&opts, scheme.ParameterCodec).
-		Watch()
-}
-
-// Create takes the representation of a foo and creates it.  Returns the server's representation of the foo, and an error, if there is any.
-func (c *foos) Create(foo *v1alpha1.Foo) (result *v1alpha1.Foo, err error) {
-	result = &v1alpha1.Foo{}
-	err = c.client.Post().
-		Namespace(c.ns).
-		Resource("foos").
-		Body(foo).
-		Do().
-		Into(result)
-	return
-}
-
-// Update takes the representation of a foo and updates it. Returns the server's representation of the foo, and an error, if there is any.
-func (c *foos) Update(foo *v1alpha1.Foo) (result *v1alpha1.Foo, err error) {
-	result = &v1alpha1.Foo{}
-	err = c.client.Put().
-		Namespace(c.ns).
-		Resource("foos").
-		Name(foo.Name).
-		Body(foo).
-		Do().
-		Into(result)
-	return
-}
-
-// Delete takes name of the foo and deletes it. Returns an error if one occurs.
-func (c *foos) Delete(name string, options *v1.DeleteOptions) error {
-	return c.client.Delete().
-		Namespace(c.ns).
-		Resource("foos").
-		Name(name).
-		Body(options).
-		Do().
-		Error()
-}
-
-// DeleteCollection deletes a collection of objects.
-func (c *foos) DeleteCollection(options *v1.DeleteOptions, listOptions v1.ListOptions) error {
-	return c.client.Delete().
-		Namespace(c.ns).
-		Resource("foos").
-		VersionedParams(&listOptions, scheme.ParameterCodec).
-		Body(options).
-		Do().
-		Error()
-}
-
-// Patch applies the patch and returns the patched foo.
-func (c *foos) Patch(name string, pt types.PatchType, data []byte, subresources ...string) (result *v1alpha1.Foo, err error) {
-	result = &v1alpha1.Foo{}
-	err = c.client.Patch(pt).
-		Namespace(c.ns).
-		Resource("foos").
-		SubResource(subresources...).
-		Name(name).
-		Body(data).
-		Do().
-		Into(result)
-	return
-}
--- a/pkg/client/informers/externalversions/BUILD
+++ b/pkg/client/informers/externalversions/BUILD
@@ -1,39 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "factory.go",
-        "generic.go",
-    ],
-    importpath = "k8s.io/sample-controller/pkg/client/informers/externalversions",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
-        "//vendor/k8s.io/client-go/tools/cache:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/clientset/versioned:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/informers/externalversions/internalinterfaces:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/informers/externalversions/samplecontroller:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [
-        ":package-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/client/informers/externalversions/internalinterfaces:all-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/client/informers/externalversions/samplecontroller:all-srcs",
-    ],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/pkg/client/informers/externalversions/internalinterfaces/BUILD
+++ b/pkg/client/informers/externalversions/internalinterfaces/BUILD
@@ -1,28 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = ["factory_interfaces.go"],
-    importpath = "k8s.io/sample-controller/pkg/client/informers/externalversions/internalinterfaces",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
-        "//vendor/k8s.io/client-go/tools/cache:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/clientset/versioned:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [":package-srcs"],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/pkg/client/informers/externalversions/samplecontroller/BUILD
+++ b/pkg/client/informers/externalversions/samplecontroller/BUILD
@@ -1,29 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = ["interface.go"],
-    importpath = "k8s.io/sample-controller/pkg/client/informers/externalversions/samplecontroller",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//vendor/k8s.io/sample-controller/pkg/client/informers/externalversions/internalinterfaces:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/informers/externalversions/samplecontroller/v1alpha1:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [
-        ":package-srcs",
-        "//staging/src/k8s.io/sample-controller/pkg/client/informers/externalversions/samplecontroller/v1alpha1:all-srcs",
-    ],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/pkg/client/informers/externalversions/samplecontroller/v1alpha1/BUILD
+++ b/pkg/client/informers/externalversions/samplecontroller/v1alpha1/BUILD
@@ -1,35 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "foo.go",
-        "interface.go",
-    ],
-    importpath = "k8s.io/sample-controller/pkg/client/informers/externalversions/samplecontroller/v1alpha1",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/watch:go_default_library",
-        "//vendor/k8s.io/client-go/tools/cache:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/clientset/versioned:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/informers/externalversions/internalinterfaces:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/client/listers/samplecontroller/v1alpha1:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [":package-srcs"],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/pkg/client/listers/samplecontroller/v1alpha1/BUILD
+++ b/pkg/client/listers/samplecontroller/v1alpha1/BUILD
@@ -1,31 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "expansion_generated.go",
-        "foo.go",
-    ],
-    importpath = "k8s.io/sample-controller/pkg/client/listers/samplecontroller/v1alpha1",
-    visibility = ["//visibility:public"],
-    deps = [
-        "//vendor/k8s.io/apimachinery/pkg/api/errors:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/labels:go_default_library",
-        "//vendor/k8s.io/client-go/tools/cache:go_default_library",
-        "//vendor/k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [":package-srcs"],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/pkg/generated/clientset/versioned/clientset.go
+++ b/pkg/generated/clientset/versioned/clientset.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,21 +14,22 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 package versioned

 import (
-	glog "github.com/golang/glog"
+	"fmt"
+
 	discovery "k8s.io/client-go/discovery"
 	rest "k8s.io/client-go/rest"
 	flowcontrol "k8s.io/client-go/util/flowcontrol"
-	samplecontrollerv1alpha1 "k8s.io/sample-controller/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1"
+	samplecontrollerv1alpha1 "k8s.io/sample-controller/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1"
 )

 type Interface interface {
 	Discovery() discovery.DiscoveryInterface
 	SamplecontrollerV1alpha1() samplecontrollerv1alpha1.SamplecontrollerV1alpha1Interface
-	// Deprecated: please explicitly pick a version if possible.
-	Samplecontroller() samplecontrollerv1alpha1.SamplecontrollerV1alpha1Interface
 }

 // Clientset contains the clients for groups. Each group has exactly one
@@ -43,12 +44,6 @@ func (c *Clientset) SamplecontrollerV1alpha1() samplecontrollerv1alpha1.Sampleco
 	return c.samplecontrollerV1alpha1
 }

-// Deprecated: Samplecontroller retrieves the default version of SamplecontrollerClient.
-// Please explicitly pick a version.
-func (c *Clientset) Samplecontroller() samplecontrollerv1alpha1.SamplecontrollerV1alpha1Interface {
-	return c.samplecontrollerV1alpha1
-}
-
 // Discovery retrieves the DiscoveryClient
 func (c *Clientset) Discovery() discovery.DiscoveryInterface {
 	if c == nil {
@@ -58,9 +53,14 @@ func (c *Clientset) Discovery() discovery.DiscoveryInterface {
 }

 // NewForConfig creates a new Clientset for the given config.
+// If config's RateLimiter is not set and QPS and Burst are acceptable,
+// NewForConfig will generate a rate-limiter in configShallowCopy.
 func NewForConfig(c *rest.Config) (*Clientset, error) {
 	configShallowCopy := *c
 	if configShallowCopy.RateLimiter == nil && configShallowCopy.QPS > 0 {
+		if configShallowCopy.Burst <= 0 {
+			return nil, fmt.Errorf("burst is required to be greater than 0 when RateLimiter is not set and QPS is set to greater than 0")
+		}
 		configShallowCopy.RateLimiter = flowcontrol.NewTokenBucketRateLimiter(configShallowCopy.QPS, configShallowCopy.Burst)
 	}
 	var cs Clientset
@@ -72,7 +72,6 @@ func NewForConfig(c *rest.Config) (*Clientset, error) {

 	cs.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy)
 	if err != nil {
-		glog.Errorf("failed to create the DiscoveryClient: %v", err)
 		return nil, err
 	}
 	return &cs, nil
--- a/pkg/generated/clientset/versioned/doc.go
+++ b/pkg/generated/clientset/versioned/doc.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,5 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 // This package has the automatically generated clientset.
 package versioned
--- a/pkg/generated/clientset/versioned/fake/clientset_generated.go
+++ b/pkg/generated/clientset/versioned/fake/clientset_generated.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,6 +14,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 package fake

 import (
@@ -22,9 +24,9 @@ import (
 	"k8s.io/client-go/discovery"
 	fakediscovery "k8s.io/client-go/discovery/fake"
 	"k8s.io/client-go/testing"
-	clientset "k8s.io/sample-controller/pkg/client/clientset/versioned"
-	samplecontrollerv1alpha1 "k8s.io/sample-controller/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1"
-	fakesamplecontrollerv1alpha1 "k8s.io/sample-controller/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1/fake"
+	clientset "k8s.io/sample-controller/pkg/generated/clientset/versioned"
+	samplecontrollerv1alpha1 "k8s.io/sample-controller/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1"
+	fakesamplecontrollerv1alpha1 "k8s.io/sample-controller/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/fake"
 )

 // NewSimpleClientset returns a clientset that will respond with the provided objects.
@@ -39,11 +41,20 @@ func NewSimpleClientset(objects ...runtime.Object) *Clientset {
 		}
 	}

-	fakePtr := testing.Fake{}
-	fakePtr.AddReactor("*", "*", testing.ObjectReaction(o))
-	fakePtr.AddWatchReactor("*", testing.DefaultWatchReactor(watch.NewFake(), nil))
+	cs := &Clientset{tracker: o}
+	cs.discovery = &fakediscovery.FakeDiscovery{Fake: &cs.Fake}
+	cs.AddReactor("*", "*", testing.ObjectReaction(o))
+	cs.AddWatchReactor("*", func(action testing.Action) (handled bool, ret watch.Interface, err error) {
+		gvr := action.GetResource()
+		ns := action.GetNamespace()
+		watch, err := o.Watch(gvr, ns)
+		if err != nil {
+			return false, nil, err
+		}
+		return true, watch, nil
+	})

-	return &Clientset{fakePtr, &fakediscovery.FakeDiscovery{Fake: &fakePtr}}
+	return cs
 }

 // Clientset implements clientset.Interface. Meant to be embedded into a
@@ -52,20 +63,20 @@ func NewSimpleClientset(objects ...runtime.Object) *Clientset {
 type Clientset struct {
 	testing.Fake
 	discovery *fakediscovery.FakeDiscovery
+	tracker   testing.ObjectTracker
 }

 func (c *Clientset) Discovery() discovery.DiscoveryInterface {
 	return c.discovery
 }

+func (c *Clientset) Tracker() testing.ObjectTracker {
+	return c.tracker
+}
+
 var _ clientset.Interface = &Clientset{}

 // SamplecontrollerV1alpha1 retrieves the SamplecontrollerV1alpha1Client
 func (c *Clientset) SamplecontrollerV1alpha1() samplecontrollerv1alpha1.SamplecontrollerV1alpha1Interface {
 	return &fakesamplecontrollerv1alpha1.FakeSamplecontrollerV1alpha1{Fake: &c.Fake}
 }
-
-// Samplecontroller retrieves the SamplecontrollerV1alpha1Client
-func (c *Clientset) Samplecontroller() samplecontrollerv1alpha1.SamplecontrollerV1alpha1Interface {
-	return &fakesamplecontrollerv1alpha1.FakeSamplecontrollerV1alpha1{Fake: &c.Fake}
-}
--- a/pkg/generated/clientset/versioned/fake/doc.go
+++ b/pkg/generated/clientset/versioned/fake/doc.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,5 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 // This package has the automatically generated fake clientset.
 package fake
--- a/pkg/generated/clientset/versioned/fake/register.go
+++ b/pkg/generated/clientset/versioned/fake/register.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,6 +14,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 package fake

 import (
@@ -21,16 +23,15 @@ import (
 	runtime "k8s.io/apimachinery/pkg/runtime"
 	schema "k8s.io/apimachinery/pkg/runtime/schema"
 	serializer "k8s.io/apimachinery/pkg/runtime/serializer"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	samplecontrollerv1alpha1 "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
 )

 var scheme = runtime.NewScheme()
 var codecs = serializer.NewCodecFactory(scheme)
-var parameterCodec = runtime.NewParameterCodec(scheme)

-func init() {
-	v1.AddToGroupVersion(scheme, schema.GroupVersion{Version: "v1"})
-	AddToScheme(scheme)
+var localSchemeBuilder = runtime.SchemeBuilder{
+	samplecontrollerv1alpha1.AddToScheme,
 }

 // AddToScheme adds all types of this clientset into the given scheme. This allows composition
@@ -38,16 +39,18 @@ func init() {
 //
 //   import (
 //     "k8s.io/client-go/kubernetes"
-//     clientsetscheme "k8s.io/client-go/kuberentes/scheme"
+//     clientsetscheme "k8s.io/client-go/kubernetes/scheme"
 //     aggregatorclientsetscheme "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/scheme"
 //   )
 //
 //   kclientset, _ := kubernetes.NewForConfig(c)
-//   aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
+//   _ = aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
 //
 // After this, RawExtensions in Kubernetes types will serialize kube-aggregator types
 // correctly.
-func AddToScheme(scheme *runtime.Scheme) {
-	samplecontrollerv1alpha1.AddToScheme(scheme)
+var AddToScheme = localSchemeBuilder.AddToScheme

+func init() {
+	v1.AddToGroupVersion(scheme, schema.GroupVersion{Version: "v1"})
+	utilruntime.Must(AddToScheme(scheme))
 }
--- a/vendor/k8s.io/client-go/kubernetes/scheme/doc.go
+++ b/vendor/k8s.io/client-go/kubernetes/scheme/doc.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,5 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 // This package contains the scheme of the automatically generated clientset.
 package scheme
--- a/pkg/generated/clientset/versioned/scheme/register.go
+++ b/pkg/generated/clientset/versioned/scheme/register.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,6 +14,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 package scheme

 import (
@@ -21,16 +23,15 @@ import (
 	runtime "k8s.io/apimachinery/pkg/runtime"
 	schema "k8s.io/apimachinery/pkg/runtime/schema"
 	serializer "k8s.io/apimachinery/pkg/runtime/serializer"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	samplecontrollerv1alpha1 "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
 )

 var Scheme = runtime.NewScheme()
 var Codecs = serializer.NewCodecFactory(Scheme)
 var ParameterCodec = runtime.NewParameterCodec(Scheme)
-
-func init() {
-	v1.AddToGroupVersion(Scheme, schema.GroupVersion{Version: "v1"})
-	AddToScheme(Scheme)
+var localSchemeBuilder = runtime.SchemeBuilder{
+	samplecontrollerv1alpha1.AddToScheme,
 }

 // AddToScheme adds all types of this clientset into the given scheme. This allows composition
@@ -38,16 +39,18 @@ func init() {
 //
 //   import (
 //     "k8s.io/client-go/kubernetes"
-//     clientsetscheme "k8s.io/client-go/kuberentes/scheme"
+//     clientsetscheme "k8s.io/client-go/kubernetes/scheme"
 //     aggregatorclientsetscheme "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/scheme"
 //   )
 //
 //   kclientset, _ := kubernetes.NewForConfig(c)
-//   aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
+//   _ = aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
 //
 // After this, RawExtensions in Kubernetes types will serialize kube-aggregator types
 // correctly.
-func AddToScheme(scheme *runtime.Scheme) {
-	samplecontrollerv1alpha1.AddToScheme(scheme)
+var AddToScheme = localSchemeBuilder.AddToScheme

+func init() {
+	v1.AddToGroupVersion(Scheme, schema.GroupVersion{Version: "v1"})
+	utilruntime.Must(AddToScheme(Scheme))
 }
--- a/vendor/k8s.io/client-go/kubernetes/typed/admissionregistration/v1alpha1/doc.go
+++ b/vendor/k8s.io/client-go/kubernetes/typed/admissionregistration/v1alpha1/doc.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,5 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 // This package has the automatically generated typed clients.
 package v1alpha1
--- a/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/fake/doc.go
+++ b/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/fake/doc.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,5 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 // Package fake has the automatically generated clients.
 package fake
--- a/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/fake/fake_foo.go
+++ b/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/fake/fake_foo.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,9 +14,13 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 package fake

 import (
+	"context"
+
 	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	labels "k8s.io/apimachinery/pkg/labels"
 	schema "k8s.io/apimachinery/pkg/runtime/schema"
@@ -37,7 +41,7 @@ var foosResource = schema.GroupVersionResource{Group: "samplecontroller.k8s.io",
 var foosKind = schema.GroupVersionKind{Group: "samplecontroller.k8s.io", Version: "v1alpha1", Kind: "Foo"}

 // Get takes name of the foo, and returns the corresponding foo object, and an error if there is any.
-func (c *FakeFoos) Get(name string, options v1.GetOptions) (result *v1alpha1.Foo, err error) {
+func (c *FakeFoos) Get(ctx context.Context, name string, options v1.GetOptions) (result *v1alpha1.Foo, err error) {
 	obj, err := c.Fake.
 		Invokes(testing.NewGetAction(foosResource, c.ns, name), &v1alpha1.Foo{})

@@ -48,7 +52,7 @@ func (c *FakeFoos) Get(name string, options v1.GetOptions) (result *v1alpha1.Foo
 }

 // List takes label and field selectors, and returns the list of Foos that match those selectors.
-func (c *FakeFoos) List(opts v1.ListOptions) (result *v1alpha1.FooList, err error) {
+func (c *FakeFoos) List(ctx context.Context, opts v1.ListOptions) (result *v1alpha1.FooList, err error) {
 	obj, err := c.Fake.
 		Invokes(testing.NewListAction(foosResource, foosKind, c.ns, opts), &v1alpha1.FooList{})

@@ -60,7 +64,7 @@ func (c *FakeFoos) List(opts v1.ListOptions) (result *v1alpha1.FooList, err erro
 	if label == nil {
 		label = labels.Everything()
 	}
-	list := &v1alpha1.FooList{}
+	list := &v1alpha1.FooList{ListMeta: obj.(*v1alpha1.FooList).ListMeta}
 	for _, item := range obj.(*v1alpha1.FooList).Items {
 		if label.Matches(labels.Set(item.Labels)) {
 			list.Items = append(list.Items, item)
@@ -70,14 +74,14 @@ func (c *FakeFoos) List(opts v1.ListOptions) (result *v1alpha1.FooList, err erro
 }

 // Watch returns a watch.Interface that watches the requested foos.
-func (c *FakeFoos) Watch(opts v1.ListOptions) (watch.Interface, error) {
+func (c *FakeFoos) Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error) {
 	return c.Fake.
 		InvokesWatch(testing.NewWatchAction(foosResource, c.ns, opts))

 }

 // Create takes the representation of a foo and creates it.  Returns the server's representation of the foo, and an error, if there is any.
-func (c *FakeFoos) Create(foo *v1alpha1.Foo) (result *v1alpha1.Foo, err error) {
+func (c *FakeFoos) Create(ctx context.Context, foo *v1alpha1.Foo, opts v1.CreateOptions) (result *v1alpha1.Foo, err error) {
 	obj, err := c.Fake.
 		Invokes(testing.NewCreateAction(foosResource, c.ns, foo), &v1alpha1.Foo{})

@@ -88,7 +92,7 @@ func (c *FakeFoos) Create(foo *v1alpha1.Foo) (result *v1alpha1.Foo, err error) {
 }

 // Update takes the representation of a foo and updates it. Returns the server's representation of the foo, and an error, if there is any.
-func (c *FakeFoos) Update(foo *v1alpha1.Foo) (result *v1alpha1.Foo, err error) {
+func (c *FakeFoos) Update(ctx context.Context, foo *v1alpha1.Foo, opts v1.UpdateOptions) (result *v1alpha1.Foo, err error) {
 	obj, err := c.Fake.
 		Invokes(testing.NewUpdateAction(foosResource, c.ns, foo), &v1alpha1.Foo{})

@@ -98,8 +102,20 @@ func (c *FakeFoos) Update(foo *v1alpha1.Foo) (result *v1alpha1.Foo, err error) {
 	return obj.(*v1alpha1.Foo), err
 }

+// UpdateStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+func (c *FakeFoos) UpdateStatus(ctx context.Context, foo *v1alpha1.Foo, opts v1.UpdateOptions) (*v1alpha1.Foo, error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewUpdateSubresourceAction(foosResource, "status", c.ns, foo), &v1alpha1.Foo{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.Foo), err
+}
+
 // Delete takes name of the foo and deletes it. Returns an error if one occurs.
-func (c *FakeFoos) Delete(name string, options *v1.DeleteOptions) error {
+func (c *FakeFoos) Delete(ctx context.Context, name string, opts v1.DeleteOptions) error {
 	_, err := c.Fake.
 		Invokes(testing.NewDeleteAction(foosResource, c.ns, name), &v1alpha1.Foo{})

@@ -107,17 +123,17 @@ func (c *FakeFoos) Delete(name string, options *v1.DeleteOptions) error {
 }

 // DeleteCollection deletes a collection of objects.
-func (c *FakeFoos) DeleteCollection(options *v1.DeleteOptions, listOptions v1.ListOptions) error {
-	action := testing.NewDeleteCollectionAction(foosResource, c.ns, listOptions)
+func (c *FakeFoos) DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error {
+	action := testing.NewDeleteCollectionAction(foosResource, c.ns, listOpts)

 	_, err := c.Fake.Invokes(action, &v1alpha1.FooList{})
 	return err
 }

 // Patch applies the patch and returns the patched foo.
-func (c *FakeFoos) Patch(name string, pt types.PatchType, data []byte, subresources ...string) (result *v1alpha1.Foo, err error) {
+func (c *FakeFoos) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.Foo, err error) {
 	obj, err := c.Fake.
-		Invokes(testing.NewPatchSubresourceAction(foosResource, c.ns, name, data, subresources...), &v1alpha1.Foo{})
+		Invokes(testing.NewPatchSubresourceAction(foosResource, c.ns, name, pt, data, subresources...), &v1alpha1.Foo{})

 	if obj == nil {
 		return nil, err
--- a/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/fake/fake_samplecontroller_client.go
+++ b/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/fake/fake_samplecontroller_client.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,12 +14,14 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 package fake

 import (
 	rest "k8s.io/client-go/rest"
 	testing "k8s.io/client-go/testing"
-	v1alpha1 "k8s.io/sample-controller/pkg/client/clientset/versioned/typed/samplecontroller/v1alpha1"
+	v1alpha1 "k8s.io/sample-controller/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1"
 )

 type FakeSamplecontrollerV1alpha1 struct {
--- a/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/foo.go
+++ b/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/foo.go
@@ -0,0 +1,195 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	"context"
+	"time"
+
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	rest "k8s.io/client-go/rest"
+	v1alpha1 "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
+	scheme "k8s.io/sample-controller/pkg/generated/clientset/versioned/scheme"
+)
+
+// FoosGetter has a method to return a FooInterface.
+// A group's client should implement this interface.
+type FoosGetter interface {
+	Foos(namespace string) FooInterface
+}
+
+// FooInterface has methods to work with Foo resources.
+type FooInterface interface {
+	Create(ctx context.Context, foo *v1alpha1.Foo, opts v1.CreateOptions) (*v1alpha1.Foo, error)
+	Update(ctx context.Context, foo *v1alpha1.Foo, opts v1.UpdateOptions) (*v1alpha1.Foo, error)
+	UpdateStatus(ctx context.Context, foo *v1alpha1.Foo, opts v1.UpdateOptions) (*v1alpha1.Foo, error)
+	Delete(ctx context.Context, name string, opts v1.DeleteOptions) error
+	DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error
+	Get(ctx context.Context, name string, opts v1.GetOptions) (*v1alpha1.Foo, error)
+	List(ctx context.Context, opts v1.ListOptions) (*v1alpha1.FooList, error)
+	Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error)
+	Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.Foo, err error)
+	FooExpansion
+}
+
+// foos implements FooInterface
+type foos struct {
+	client rest.Interface
+	ns     string
+}
+
+// newFoos returns a Foos
+func newFoos(c *SamplecontrollerV1alpha1Client, namespace string) *foos {
+	return &foos{
+		client: c.RESTClient(),
+		ns:     namespace,
+	}
+}
+
+// Get takes name of the foo, and returns the corresponding foo object, and an error if there is any.
+func (c *foos) Get(ctx context.Context, name string, options v1.GetOptions) (result *v1alpha1.Foo, err error) {
+	result = &v1alpha1.Foo{}
+	err = c.client.Get().
+		Namespace(c.ns).
+		Resource("foos").
+		Name(name).
+		VersionedParams(&options, scheme.ParameterCodec).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// List takes label and field selectors, and returns the list of Foos that match those selectors.
+func (c *foos) List(ctx context.Context, opts v1.ListOptions) (result *v1alpha1.FooList, err error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	result = &v1alpha1.FooList{}
+	err = c.client.Get().
+		Namespace(c.ns).
+		Resource("foos").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Watch returns a watch.Interface that watches the requested foos.
+func (c *foos) Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	opts.Watch = true
+	return c.client.Get().
+		Namespace(c.ns).
+		Resource("foos").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Watch(ctx)
+}
+
+// Create takes the representation of a foo and creates it.  Returns the server's representation of the foo, and an error, if there is any.
+func (c *foos) Create(ctx context.Context, foo *v1alpha1.Foo, opts v1.CreateOptions) (result *v1alpha1.Foo, err error) {
+	result = &v1alpha1.Foo{}
+	err = c.client.Post().
+		Namespace(c.ns).
+		Resource("foos").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(foo).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Update takes the representation of a foo and updates it. Returns the server's representation of the foo, and an error, if there is any.
+func (c *foos) Update(ctx context.Context, foo *v1alpha1.Foo, opts v1.UpdateOptions) (result *v1alpha1.Foo, err error) {
+	result = &v1alpha1.Foo{}
+	err = c.client.Put().
+		Namespace(c.ns).
+		Resource("foos").
+		Name(foo.Name).
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(foo).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// UpdateStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+func (c *foos) UpdateStatus(ctx context.Context, foo *v1alpha1.Foo, opts v1.UpdateOptions) (result *v1alpha1.Foo, err error) {
+	result = &v1alpha1.Foo{}
+	err = c.client.Put().
+		Namespace(c.ns).
+		Resource("foos").
+		Name(foo.Name).
+		SubResource("status").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(foo).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Delete takes name of the foo and deletes it. Returns an error if one occurs.
+func (c *foos) Delete(ctx context.Context, name string, opts v1.DeleteOptions) error {
+	return c.client.Delete().
+		Namespace(c.ns).
+		Resource("foos").
+		Name(name).
+		Body(&opts).
+		Do(ctx).
+		Error()
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *foos) DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error {
+	var timeout time.Duration
+	if listOpts.TimeoutSeconds != nil {
+		timeout = time.Duration(*listOpts.TimeoutSeconds) * time.Second
+	}
+	return c.client.Delete().
+		Namespace(c.ns).
+		Resource("foos").
+		VersionedParams(&listOpts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Body(&opts).
+		Do(ctx).
+		Error()
+}
+
+// Patch applies the patch and returns the patched foo.
+func (c *foos) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.Foo, err error) {
+	result = &v1alpha1.Foo{}
+	err = c.client.Patch(pt).
+		Namespace(c.ns).
+		Resource("foos").
+		Name(name).
+		SubResource(subresources...).
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(data).
+		Do(ctx).
+		Into(result)
+	return
+}
--- a/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/generated_expansion.go
+++ b/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/generated_expansion.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,6 +14,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 package v1alpha1

 type FooExpansion interface{}
--- a/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/samplecontroller_client.go
+++ b/pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/samplecontroller_client.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,13 +14,14 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

+// Code generated by client-gen. DO NOT EDIT.
+
 package v1alpha1

 import (
-	serializer "k8s.io/apimachinery/pkg/runtime/serializer"
 	rest "k8s.io/client-go/rest"
 	v1alpha1 "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
-	"k8s.io/sample-controller/pkg/client/clientset/versioned/scheme"
+	"k8s.io/sample-controller/pkg/generated/clientset/versioned/scheme"
 )

 type SamplecontrollerV1alpha1Interface interface {
@@ -69,7 +70,7 @@ func setConfigDefaults(config *rest.Config) error {
 	gv := v1alpha1.SchemeGroupVersion
 	config.GroupVersion = &gv
 	config.APIPath = "/apis"
-	config.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: scheme.Codecs}
+	config.NegotiatedSerializer = scheme.Codecs.WithoutConversion()

 	if config.UserAgent == "" {
 		config.UserAgent = rest.DefaultKubernetesUserAgent()
--- a/pkg/generated/informers/externalversions/factory.go
+++ b/pkg/generated/informers/externalversions/factory.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,29 +14,34 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

-// This file was automatically generated by informer-gen
+// Code generated by informer-gen. DO NOT EDIT.

 package externalversions

 import (
+	reflect "reflect"
+	sync "sync"
+	time "time"
+
 	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
 	schema "k8s.io/apimachinery/pkg/runtime/schema"
 	cache "k8s.io/client-go/tools/cache"
-	versioned "k8s.io/sample-controller/pkg/client/clientset/versioned"
-	internalinterfaces "k8s.io/sample-controller/pkg/client/informers/externalversions/internalinterfaces"
-	samplecontroller "k8s.io/sample-controller/pkg/client/informers/externalversions/samplecontroller"
-	reflect "reflect"
-	sync "sync"
-	time "time"
+	versioned "k8s.io/sample-controller/pkg/generated/clientset/versioned"
+	internalinterfaces "k8s.io/sample-controller/pkg/generated/informers/externalversions/internalinterfaces"
+	samplecontroller "k8s.io/sample-controller/pkg/generated/informers/externalversions/samplecontroller"
 )

+// SharedInformerOption defines the functional option type for SharedInformerFactory.
+type SharedInformerOption func(*sharedInformerFactory) *sharedInformerFactory
+
 type sharedInformerFactory struct {
 	client           versioned.Interface
 	namespace        string
 	tweakListOptions internalinterfaces.TweakListOptionsFunc
 	lock             sync.Mutex
 	defaultResync    time.Duration
+	customResync     map[reflect.Type]time.Duration

 	informers map[reflect.Type]cache.SharedIndexInformer
 	// startedInformers is used for tracking which informers have been started.
@@ -44,23 +49,62 @@ type sharedInformerFactory struct {
 	startedInformers map[reflect.Type]bool
 }

-// NewSharedInformerFactory constructs a new instance of sharedInformerFactory
+// WithCustomResyncConfig sets a custom resync period for the specified informer types.
+func WithCustomResyncConfig(resyncConfig map[v1.Object]time.Duration) SharedInformerOption {
+	return func(factory *sharedInformerFactory) *sharedInformerFactory {
+		for k, v := range resyncConfig {
+			factory.customResync[reflect.TypeOf(k)] = v
+		}
+		return factory
+	}
+}
+
+// WithTweakListOptions sets a custom filter on all listers of the configured SharedInformerFactory.
+func WithTweakListOptions(tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerOption {
+	return func(factory *sharedInformerFactory) *sharedInformerFactory {
+		factory.tweakListOptions = tweakListOptions
+		return factory
+	}
+}
+
+// WithNamespace limits the SharedInformerFactory to the specified namespace.
+func WithNamespace(namespace string) SharedInformerOption {
+	return func(factory *sharedInformerFactory) *sharedInformerFactory {
+		factory.namespace = namespace
+		return factory
+	}
+}
+
+// NewSharedInformerFactory constructs a new instance of sharedInformerFactory for all namespaces.
 func NewSharedInformerFactory(client versioned.Interface, defaultResync time.Duration) SharedInformerFactory {
-	return NewFilteredSharedInformerFactory(client, defaultResync, v1.NamespaceAll, nil)
+	return NewSharedInformerFactoryWithOptions(client, defaultResync)
 }

 // NewFilteredSharedInformerFactory constructs a new instance of sharedInformerFactory.
 // Listers obtained via this SharedInformerFactory will be subject to the same filters
 // as specified here.
+// Deprecated: Please use NewSharedInformerFactoryWithOptions instead
 func NewFilteredSharedInformerFactory(client versioned.Interface, defaultResync time.Duration, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) SharedInformerFactory {
-	return &sharedInformerFactory{
+	return NewSharedInformerFactoryWithOptions(client, defaultResync, WithNamespace(namespace), WithTweakListOptions(tweakListOptions))
+}
+
+// NewSharedInformerFactoryWithOptions constructs a new instance of a SharedInformerFactory with additional options.
+func NewSharedInformerFactoryWithOptions(client versioned.Interface, defaultResync time.Duration, options ...SharedInformerOption) SharedInformerFactory {
+	factory := &sharedInformerFactory{
 		client:           client,
-		namespace:        namespace,
-		tweakListOptions: tweakListOptions,
+		namespace:        v1.NamespaceAll,
 		defaultResync:    defaultResync,
 		informers:        make(map[reflect.Type]cache.SharedIndexInformer),
 		startedInformers: make(map[reflect.Type]bool),
+		customResync:     make(map[reflect.Type]time.Duration),
 	}
+
+	// Apply all options
+	for _, opt := range options {
+		factory = opt(factory)
+	}
+
+	return factory
 }

 // Start initializes all requested informers.
@@ -109,7 +153,13 @@ func (f *sharedInformerFactory) InformerFor(obj runtime.Object, newFunc internal
 	if exists {
 		return informer
 	}
-	informer = newFunc(f.client, f.defaultResync)
+
+	resyncPeriod, exists := f.customResync[informerType]
+	if !exists {
+		resyncPeriod = f.defaultResync
+	}
+
+	informer = newFunc(f.client, resyncPeriod)
 	f.informers[informerType] = informer

 	return informer
--- a/pkg/generated/informers/externalversions/generic.go
+++ b/pkg/generated/informers/externalversions/generic.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,12 +14,13 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

-// This file was automatically generated by informer-gen
+// Code generated by informer-gen. DO NOT EDIT.

 package externalversions

 import (
 	"fmt"
+
 	schema "k8s.io/apimachinery/pkg/runtime/schema"
 	cache "k8s.io/client-go/tools/cache"
 	v1alpha1 "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
--- a/pkg/generated/informers/externalversions/internalinterfaces/factory_interfaces.go
+++ b/pkg/generated/informers/externalversions/internalinterfaces/factory_interfaces.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,18 +14,20 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

-// This file was automatically generated by informer-gen
+// Code generated by informer-gen. DO NOT EDIT.

 package internalinterfaces

 import (
+	time "time"
+
 	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
 	cache "k8s.io/client-go/tools/cache"
-	versioned "k8s.io/sample-controller/pkg/client/clientset/versioned"
-	time "time"
+	versioned "k8s.io/sample-controller/pkg/generated/clientset/versioned"
 )

+// NewInformerFunc takes versioned.Interface and time.Duration to return a SharedIndexInformer.
 type NewInformerFunc func(versioned.Interface, time.Duration) cache.SharedIndexInformer

 // SharedInformerFactory a small interface to allow for adding an informer without an import cycle
@@ -34,4 +36,5 @@ type SharedInformerFactory interface {
 	InformerFor(obj runtime.Object, newFunc NewInformerFunc) cache.SharedIndexInformer
 }

+// TweakListOptionsFunc is a function that transforms a v1.ListOptions.
 type TweakListOptionsFunc func(*v1.ListOptions)
--- a/pkg/generated/informers/externalversions/samplecontroller/interface.go
+++ b/pkg/generated/informers/externalversions/samplecontroller/interface.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,13 +14,13 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

-// This file was automatically generated by informer-gen
+// Code generated by informer-gen. DO NOT EDIT.

 package samplecontroller

 import (
-	internalinterfaces "k8s.io/sample-controller/pkg/client/informers/externalversions/internalinterfaces"
-	v1alpha1 "k8s.io/sample-controller/pkg/client/informers/externalversions/samplecontroller/v1alpha1"
+	internalinterfaces "k8s.io/sample-controller/pkg/generated/informers/externalversions/internalinterfaces"
+	v1alpha1 "k8s.io/sample-controller/pkg/generated/informers/externalversions/samplecontroller/v1alpha1"
 )

 // Interface provides access to each of this group's versions.
--- a/pkg/generated/informers/externalversions/samplecontroller/v1alpha1/foo.go
+++ b/pkg/generated/informers/externalversions/samplecontroller/v1alpha1/foo.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,20 +14,22 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

-// This file was automatically generated by informer-gen
+// Code generated by informer-gen. DO NOT EDIT.

 package v1alpha1

 import (
+	"context"
+	time "time"
+
 	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
 	watch "k8s.io/apimachinery/pkg/watch"
 	cache "k8s.io/client-go/tools/cache"
-	samplecontroller_v1alpha1 "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
-	versioned "k8s.io/sample-controller/pkg/client/clientset/versioned"
-	internalinterfaces "k8s.io/sample-controller/pkg/client/informers/externalversions/internalinterfaces"
-	v1alpha1 "k8s.io/sample-controller/pkg/client/listers/samplecontroller/v1alpha1"
-	time "time"
+	samplecontrollerv1alpha1 "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
+	versioned "k8s.io/sample-controller/pkg/generated/clientset/versioned"
+	internalinterfaces "k8s.io/sample-controller/pkg/generated/informers/externalversions/internalinterfaces"
+	v1alpha1 "k8s.io/sample-controller/pkg/generated/listers/samplecontroller/v1alpha1"
 )

 // FooInformer provides access to a shared informer and lister for
@@ -60,16 +62,16 @@ func NewFilteredFooInformer(client versioned.Interface, namespace string, resync
 				if tweakListOptions != nil {
 					tweakListOptions(&options)
 				}
-				return client.SamplecontrollerV1alpha1().Foos(namespace).List(options)
+				return client.SamplecontrollerV1alpha1().Foos(namespace).List(context.TODO(), options)
 			},
 			WatchFunc: func(options v1.ListOptions) (watch.Interface, error) {
 				if tweakListOptions != nil {
 					tweakListOptions(&options)
 				}
-				return client.SamplecontrollerV1alpha1().Foos(namespace).Watch(options)
+				return client.SamplecontrollerV1alpha1().Foos(namespace).Watch(context.TODO(), options)
 			},
 		},
-		&samplecontroller_v1alpha1.Foo{},
+		&samplecontrollerv1alpha1.Foo{},
 		resyncPeriod,
 		indexers,
 	)
@@ -80,7 +82,7 @@ func (f *fooInformer) defaultInformer(client versioned.Interface, resyncPeriod t
 }

 func (f *fooInformer) Informer() cache.SharedIndexInformer {
-	return f.factory.InformerFor(&samplecontroller_v1alpha1.Foo{}, f.defaultInformer)
+	return f.factory.InformerFor(&samplecontrollerv1alpha1.Foo{}, f.defaultInformer)
 }

 func (f *fooInformer) Lister() v1alpha1.FooLister {
--- a/pkg/generated/informers/externalversions/samplecontroller/v1alpha1/interface.go
+++ b/pkg/generated/informers/externalversions/samplecontroller/v1alpha1/interface.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,12 +14,12 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

-// This file was automatically generated by informer-gen
+// Code generated by informer-gen. DO NOT EDIT.

 package v1alpha1

 import (
-	internalinterfaces "k8s.io/sample-controller/pkg/client/informers/externalversions/internalinterfaces"
+	internalinterfaces "k8s.io/sample-controller/pkg/generated/informers/externalversions/internalinterfaces"
 )

 // Interface provides access to all the informers in this group version.
--- a/pkg/generated/listers/samplecontroller/v1alpha1/expansion_generated.go
+++ b/pkg/generated/listers/samplecontroller/v1alpha1/expansion_generated.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

-// This file was automatically generated by lister-gen
+// Code generated by lister-gen. DO NOT EDIT.

 package v1alpha1

--- a/pkg/generated/listers/samplecontroller/v1alpha1/foo.go
+++ b/pkg/generated/listers/samplecontroller/v1alpha1/foo.go
@@ -1,5 +1,5 @@
 /*
-Copyright 2017 The Kubernetes Authors.
+Copyright The Kubernetes Authors.

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */

-// This file was automatically generated by lister-gen
+// Code generated by lister-gen. DO NOT EDIT.

 package v1alpha1

@@ -26,8 +26,10 @@ import (
 )

 // FooLister helps list Foos.
+// All objects returned here must be treated as read-only.
 type FooLister interface {
 	// List lists all Foos in the indexer.
+	// Objects returned here must be treated as read-only.
 	List(selector labels.Selector) (ret []*v1alpha1.Foo, err error)
 	// Foos returns an object that can list and get Foos.
 	Foos(namespace string) FooNamespaceLister
@@ -58,10 +60,13 @@ func (s *fooLister) Foos(namespace string) FooNamespaceLister {
 }

 // FooNamespaceLister helps list and get Foos.
+// All objects returned here must be treated as read-only.
 type FooNamespaceLister interface {
 	// List lists all Foos in the indexer for a given namespace.
+	// Objects returned here must be treated as read-only.
 	List(selector labels.Selector) (ret []*v1alpha1.Foo, err error)
 	// Get retrieves the Foo from the indexer for a given namespace and name.
+	// Objects returned here must be treated as read-only.
 	Get(name string) (*v1alpha1.Foo, error)
 	FooNamespaceListerExpansion
 }
--- a/pkg/signals/BUILD
+++ b/pkg/signals/BUILD
@@ -1,30 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = [
-        "signal.go",
-        "signal_posix.go",
-    ] + select({
-        "@io_bazel_rules_go//go/platform:windows_amd64": [
-            "signal_windows.go",
-        ],
-        "//conditions:default": [],
-    }),
-    importpath = "k8s.io/sample-controller/pkg/signals",
-    visibility = ["//visibility:public"],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [":package-srcs"],
-    tags = ["automanaged"],
-    visibility = ["//visibility:public"],
-)
--- a/vendor/github.com/PuerkitoBio/purell/.gitignore
+++ b/vendor/github.com/PuerkitoBio/purell/.gitignore
@@ -1,5 +0,0 @@
-*.sublime-*
-.DS_Store
-*.swp
-*.swo
-tags
--- a/vendor/github.com/PuerkitoBio/purell/.travis.yml
+++ b/vendor/github.com/PuerkitoBio/purell/.travis.yml
@@ -1,7 +0,0 @@
-language: go
-
-go:
-    - 1.4
-    - 1.5
-    - 1.6
-    - tip
--- a/vendor/github.com/PuerkitoBio/purell/LICENSE
+++ b/vendor/github.com/PuerkitoBio/purell/LICENSE
@@ -1,12 +0,0 @@
-Copyright (c) 2012, Martin Angers
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
-
-* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
-
-* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
-
-* Neither the name of the author nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--- a/vendor/github.com/PuerkitoBio/purell/README.md
+++ b/vendor/github.com/PuerkitoBio/purell/README.md
@@ -1,185 +0,0 @@
-# Purell
-
-Purell is a tiny Go library to normalize URLs. It returns a pure URL. Pure-ell. Sanitizer and all. Yeah, I know...
-
-Based on the [wikipedia paper][wiki] and the [RFC 3986 document][rfc].
-
-[![build status](https://secure.travis-ci.org/PuerkitoBio/purell.png)](http://travis-ci.org/PuerkitoBio/purell)
-
-## Install
-
-`go get github.com/PuerkitoBio/purell`
-
-## Changelog
-
-*    **2016-07-27 (v1.0.0)** : Normalize IDN to ASCII (thanks to @zenovich).
-*    **2015-02-08** : Add fix for relative paths issue ([PR #5][pr5]) and add fix for unnecessary encoding of reserved characters ([see issue #7][iss7]).
-*    **v0.2.0** : Add benchmarks, Attempt IDN support.
-*    **v0.1.0** : Initial release.
-
-## Examples
-
-From `example_test.go` (note that in your code, you would import "github.com/PuerkitoBio/purell", and would prefix references to its methods and constants with "purell."):
-
-```go
-package purell
-
-import (
-  "fmt"
-  "net/url"
-)
-
-func ExampleNormalizeURLString() {
-  if normalized, err := NormalizeURLString("hTTp://someWEBsite.com:80/Amazing%3f/url/",
-    FlagLowercaseScheme|FlagLowercaseHost|FlagUppercaseEscapes); err != nil {
-    panic(err)
-  } else {
-    fmt.Print(normalized)
-  }
-  // Output: http://somewebsite.com:80/Amazing%3F/url/
-}
-
-func ExampleMustNormalizeURLString() {
-  normalized := MustNormalizeURLString("hTTpS://someWEBsite.com:443/Amazing%fa/url/",
-    FlagsUnsafeGreedy)
-  fmt.Print(normalized)
-
-  // Output: http://somewebsite.com/Amazing%FA/url
-}
-
-func ExampleNormalizeURL() {
-  if u, err := url.Parse("Http://SomeUrl.com:8080/a/b/.././c///g?c=3&a=1&b=9&c=0#target"); err != nil {
-    panic(err)
-  } else {
-    normalized := NormalizeURL(u, FlagsUsuallySafeGreedy|FlagRemoveDuplicateSlashes|FlagRemoveFragment)
-    fmt.Print(normalized)
-  }
-
-  // Output: http://someurl.com:8080/a/c/g?c=3&a=1&b=9&c=0
-}
-```
-
-## API
-
-As seen in the examples above, purell offers three methods, `NormalizeURLString(string, NormalizationFlags) (string, error)`, `MustNormalizeURLString(string, NormalizationFlags) (string)` and `NormalizeURL(*url.URL, NormalizationFlags) (string)`. They all normalize the provided URL based on the specified flags. Here are the available flags:
-
-```go
-const (
-	// Safe normalizations
-	FlagLowercaseScheme           NormalizationFlags = 1 << iota // HTTP://host -> http://host, applied by default in Go1.1
-	FlagLowercaseHost                                            // http://HOST -> http://host
-	FlagUppercaseEscapes                                         // http://host/t%ef -> http://host/t%EF
-	FlagDecodeUnnecessaryEscapes                                 // http://host/t%41 -> http://host/tA
-	FlagEncodeNecessaryEscapes                                   // http://host/!"#$ -> http://host/%21%22#$
-	FlagRemoveDefaultPort                                        // http://host:80 -> http://host
-	FlagRemoveEmptyQuerySeparator                                // http://host/path? -> http://host/path
-
-	// Usually safe normalizations
-	FlagRemoveTrailingSlash // http://host/path/ -> http://host/path
-	FlagAddTrailingSlash    // http://host/path -> http://host/path/ (should choose only one of these add/remove trailing slash flags)
-	FlagRemoveDotSegments   // http://host/path/./a/b/../c -> http://host/path/a/c
-
-	// Unsafe normalizations
-	FlagRemoveDirectoryIndex   // http://host/path/index.html -> http://host/path/
-	FlagRemoveFragment         // http://host/path#fragment -> http://host/path
-	FlagForceHTTP              // https://host -> http://host
-	FlagRemoveDuplicateSlashes // http://host/path//a///b -> http://host/path/a/b
-	FlagRemoveWWW              // http://www.host/ -> http://host/
-	FlagAddWWW                 // http://host/ -> http://www.host/ (should choose only one of these add/remove WWW flags)
-	FlagSortQuery              // http://host/path?c=3&b=2&a=1&b=1 -> http://host/path?a=1&b=1&b=2&c=3
-
-	// Normalizations not in the wikipedia article, required to cover tests cases
-	// submitted by jehiah
-	FlagDecodeDWORDHost           // http://1113982867 -> http://66.102.7.147
-	FlagDecodeOctalHost           // http://0102.0146.07.0223 -> http://66.102.7.147
-	FlagDecodeHexHost             // http://0x42660793 -> http://66.102.7.147
-	FlagRemoveUnnecessaryHostDots // http://.host../path -> http://host/path
-	FlagRemoveEmptyPortSeparator  // http://host:/path -> http://host/path
-
-	// Convenience set of safe normalizations
-	FlagsSafe NormalizationFlags = FlagLowercaseHost | FlagLowercaseScheme | FlagUppercaseEscapes | FlagDecodeUnnecessaryEscapes | FlagEncodeNecessaryEscapes | FlagRemoveDefaultPort | FlagRemoveEmptyQuerySeparator
-
-	// For convenience sets, "greedy" uses the "remove trailing slash" and "remove www. prefix" flags,
-	// while "non-greedy" uses the "add (or keep) the trailing slash" and "add www. prefix".
-
-	// Convenience set of usually safe normalizations (includes FlagsSafe)
-	FlagsUsuallySafeGreedy    NormalizationFlags = FlagsSafe | FlagRemoveTrailingSlash | FlagRemoveDotSegments
-	FlagsUsuallySafeNonGreedy NormalizationFlags = FlagsSafe | FlagAddTrailingSlash | FlagRemoveDotSegments
-
-	// Convenience set of unsafe normalizations (includes FlagsUsuallySafe)
-	FlagsUnsafeGreedy    NormalizationFlags = FlagsUsuallySafeGreedy | FlagRemoveDirectoryIndex | FlagRemoveFragment | FlagForceHTTP | FlagRemoveDuplicateSlashes | FlagRemoveWWW | FlagSortQuery
-	FlagsUnsafeNonGreedy NormalizationFlags = FlagsUsuallySafeNonGreedy | FlagRemoveDirectoryIndex | FlagRemoveFragment | FlagForceHTTP | FlagRemoveDuplicateSlashes | FlagAddWWW | FlagSortQuery
-
-	// Convenience set of all available flags
-	FlagsAllGreedy    = FlagsUnsafeGreedy | FlagDecodeDWORDHost | FlagDecodeOctalHost | FlagDecodeHexHost | FlagRemoveUnnecessaryHostDots | FlagRemoveEmptyPortSeparator
-	FlagsAllNonGreedy = FlagsUnsafeNonGreedy | FlagDecodeDWORDHost | FlagDecodeOctalHost | FlagDecodeHexHost | FlagRemoveUnnecessaryHostDots | FlagRemoveEmptyPortSeparator
-)
-```
-
-For convenience, the set of flags `FlagsSafe`, `FlagsUsuallySafe[Greedy|NonGreedy]`, `FlagsUnsafe[Greedy|NonGreedy]` and `FlagsAll[Greedy|NonGreedy]` are provided for the similarly grouped normalizations on [wikipedia's URL normalization page][wiki]. You can add (using the bitwise OR `|` operator) or remove (using the bitwise AND NOT `&^` operator) individual flags from the sets if required, to build your own custom set.
-
-The [full godoc reference is available on gopkgdoc][godoc].
-
-Some things to note:
-
-*    `FlagDecodeUnnecessaryEscapes`, `FlagEncodeNecessaryEscapes`, `FlagUppercaseEscapes` and `FlagRemoveEmptyQuerySeparator` are always implicitly set, because internally, the URL string is parsed as an URL object, which automatically decodes unnecessary escapes, uppercases and encodes necessary ones, and removes empty query separators (an unnecessary `?` at the end of the url). So this operation cannot **not** be done. For this reason, `FlagRemoveEmptyQuerySeparator` (as well as the other three) has been included in the `FlagsSafe` convenience set, instead of `FlagsUnsafe`, where Wikipedia puts it.
-
-*    The `FlagDecodeUnnecessaryEscapes` decodes the following escapes (*from -> to*):
-    -    %24 -> $
-    -    %26 -> &
-    -    %2B-%3B -> +,-./0123456789:;
-    -    %3D -> =
-    -    %40-%5A -> @ABCDEFGHIJKLMNOPQRSTUVWXYZ
-    -    %5F -> _
-    -    %61-%7A -> abcdefghijklmnopqrstuvwxyz
-    -    %7E -> ~
-
-
-*    When the `NormalizeURL` function is used (passing an URL object), this source URL object is modified (that is, after the call, the URL object will be modified to reflect the normalization).
-
-*    The *replace IP with domain name* normalization (`http://208.77.188.166/ → http://www.example.com/`) is obviously not possible for a library without making some network requests. This is not implemented in purell.
-
-*    The *remove unused query string parameters* and *remove default query parameters* are also not implemented, since this is a very case-specific normalization, and it is quite trivial to do with an URL object.
-
-### Safe vs Usually Safe vs Unsafe
-
-Purell allows you to control the level of risk you take while normalizing an URL. You can aggressively normalize, play it totally safe, or anything in between.
-
-Consider the following URL:
-
-`HTTPS://www.RooT.com/toto/t%45%1f///a/./b/../c/?z=3&w=2&a=4&w=1#invalid`
-
-Normalizing with the `FlagsSafe` gives:
-
-`https://www.root.com/toto/tE%1F///a/./b/../c/?z=3&w=2&a=4&w=1#invalid`
-
-With the `FlagsUsuallySafeGreedy`:
-
-`https://www.root.com/toto/tE%1F///a/c?z=3&w=2&a=4&w=1#invalid`
-
-And with `FlagsUnsafeGreedy`:
-
-`http://root.com/toto/tE%1F/a/c?a=4&w=1&w=2&z=3`
-
-## TODOs
-
-*    Add a class/default instance to allow specifying custom directory index names? At the moment, removing directory index removes `(^|/)((?:default|index)\.\w{1,4})$`.
-
-## Thanks / Contributions
-
-@rogpeppe
-@jehiah
-@opennota
-@pchristopher1275
-@zenovich
-
-## License
-
-The [BSD 3-Clause license][bsd].
-
-[bsd]: http://opensource.org/licenses/BSD-3-Clause
-[wiki]: http://en.wikipedia.org/wiki/URL_normalization
-[rfc]: http://tools.ietf.org/html/rfc3986#section-6
-[godoc]: http://go.pkgdoc.org/github.com/PuerkitoBio/purell
-[pr5]: https://github.com/PuerkitoBio/purell/pull/5
-[iss7]: https://github.com/PuerkitoBio/purell/issues/7
--- a/vendor/github.com/PuerkitoBio/purell/purell.go
+++ b/vendor/github.com/PuerkitoBio/purell/purell.go
@@ -1,375 +0,0 @@
-/*
-Package purell offers URL normalization as described on the wikipedia page:
-http://en.wikipedia.org/wiki/URL_normalization
-*/
-package purell
-
-import (
-	"bytes"
-	"fmt"
-	"net/url"
-	"regexp"
-	"sort"
-	"strconv"
-	"strings"
-
-	"github.com/PuerkitoBio/urlesc"
-	"golang.org/x/net/idna"
-	"golang.org/x/text/secure/precis"
-	"golang.org/x/text/unicode/norm"
-)
-
-// A set of normalization flags determines how a URL will
-// be normalized.
-type NormalizationFlags uint
-
-const (
-	// Safe normalizations
-	FlagLowercaseScheme           NormalizationFlags = 1 << iota // HTTP://host -> http://host, applied by default in Go1.1
-	FlagLowercaseHost                                            // http://HOST -> http://host
-	FlagUppercaseEscapes                                         // http://host/t%ef -> http://host/t%EF
-	FlagDecodeUnnecessaryEscapes                                 // http://host/t%41 -> http://host/tA
-	FlagEncodeNecessaryEscapes                                   // http://host/!"#$ -> http://host/%21%22#$
-	FlagRemoveDefaultPort                                        // http://host:80 -> http://host
-	FlagRemoveEmptyQuerySeparator                                // http://host/path? -> http://host/path
-
-	// Usually safe normalizations
-	FlagRemoveTrailingSlash // http://host/path/ -> http://host/path
-	FlagAddTrailingSlash    // http://host/path -> http://host/path/ (should choose only one of these add/remove trailing slash flags)
-	FlagRemoveDotSegments   // http://host/path/./a/b/../c -> http://host/path/a/c
-
-	// Unsafe normalizations
-	FlagRemoveDirectoryIndex   // http://host/path/index.html -> http://host/path/
-	FlagRemoveFragment         // http://host/path#fragment -> http://host/path
-	FlagForceHTTP              // https://host -> http://host
-	FlagRemoveDuplicateSlashes // http://host/path//a///b -> http://host/path/a/b
-	FlagRemoveWWW              // http://www.host/ -> http://host/
-	FlagAddWWW                 // http://host/ -> http://www.host/ (should choose only one of these add/remove WWW flags)
-	FlagSortQuery              // http://host/path?c=3&b=2&a=1&b=1 -> http://host/path?a=1&b=1&b=2&c=3
-
-	// Normalizations not in the wikipedia article, required to cover tests cases
-	// submitted by jehiah
-	FlagDecodeDWORDHost           // http://1113982867 -> http://66.102.7.147
-	FlagDecodeOctalHost           // http://0102.0146.07.0223 -> http://66.102.7.147
-	FlagDecodeHexHost             // http://0x42660793 -> http://66.102.7.147
-	FlagRemoveUnnecessaryHostDots // http://.host../path -> http://host/path
-	FlagRemoveEmptyPortSeparator  // http://host:/path -> http://host/path
-
-	// Convenience set of safe normalizations
-	FlagsSafe NormalizationFlags = FlagLowercaseHost | FlagLowercaseScheme | FlagUppercaseEscapes | FlagDecodeUnnecessaryEscapes | FlagEncodeNecessaryEscapes | FlagRemoveDefaultPort | FlagRemoveEmptyQuerySeparator
-
-	// For convenience sets, "greedy" uses the "remove trailing slash" and "remove www. prefix" flags,
-	// while "non-greedy" uses the "add (or keep) the trailing slash" and "add www. prefix".
-
-	// Convenience set of usually safe normalizations (includes FlagsSafe)
-	FlagsUsuallySafeGreedy    NormalizationFlags = FlagsSafe | FlagRemoveTrailingSlash | FlagRemoveDotSegments
-	FlagsUsuallySafeNonGreedy NormalizationFlags = FlagsSafe | FlagAddTrailingSlash | FlagRemoveDotSegments
-
-	// Convenience set of unsafe normalizations (includes FlagsUsuallySafe)
-	FlagsUnsafeGreedy    NormalizationFlags = FlagsUsuallySafeGreedy | FlagRemoveDirectoryIndex | FlagRemoveFragment | FlagForceHTTP | FlagRemoveDuplicateSlashes | FlagRemoveWWW | FlagSortQuery
-	FlagsUnsafeNonGreedy NormalizationFlags = FlagsUsuallySafeNonGreedy | FlagRemoveDirectoryIndex | FlagRemoveFragment | FlagForceHTTP | FlagRemoveDuplicateSlashes | FlagAddWWW | FlagSortQuery
-
-	// Convenience set of all available flags
-	FlagsAllGreedy    = FlagsUnsafeGreedy | FlagDecodeDWORDHost | FlagDecodeOctalHost | FlagDecodeHexHost | FlagRemoveUnnecessaryHostDots | FlagRemoveEmptyPortSeparator
-	FlagsAllNonGreedy = FlagsUnsafeNonGreedy | FlagDecodeDWORDHost | FlagDecodeOctalHost | FlagDecodeHexHost | FlagRemoveUnnecessaryHostDots | FlagRemoveEmptyPortSeparator
-)
-
-const (
-	defaultHttpPort  = ":80"
-	defaultHttpsPort = ":443"
-)
-
-// Regular expressions used by the normalizations
-var rxPort = regexp.MustCompile(`(:\d+)/?$`)
-var rxDirIndex = regexp.MustCompile(`(^|/)((?:default|index)\.\w{1,4})$`)
-var rxDupSlashes = regexp.MustCompile(`/{2,}`)
-var rxDWORDHost = regexp.MustCompile(`^(\d+)((?:\.+)?(?:\:\d*)?)$`)
-var rxOctalHost = regexp.MustCompile(`^(0\d*)\.(0\d*)\.(0\d*)\.(0\d*)((?:\.+)?(?:\:\d*)?)$`)
-var rxHexHost = regexp.MustCompile(`^0x([0-9A-Fa-f]+)((?:\.+)?(?:\:\d*)?)$`)
-var rxHostDots = regexp.MustCompile(`^(.+?)(:\d+)?$`)
-var rxEmptyPort = regexp.MustCompile(`:+$`)
-
-// Map of flags to implementation function.
-// FlagDecodeUnnecessaryEscapes has no action, since it is done automatically
-// by parsing the string as an URL. Same for FlagUppercaseEscapes and FlagRemoveEmptyQuerySeparator.
-
-// Since maps have undefined traversing order, make a slice of ordered keys
-var flagsOrder = []NormalizationFlags{
-	FlagLowercaseScheme,
-	FlagLowercaseHost,
-	FlagRemoveDefaultPort,
-	FlagRemoveDirectoryIndex,
-	FlagRemoveDotSegments,
-	FlagRemoveFragment,
-	FlagForceHTTP, // Must be after remove default port (because https=443/http=80)
-	FlagRemoveDuplicateSlashes,
-	FlagRemoveWWW,
-	FlagAddWWW,
-	FlagSortQuery,
-	FlagDecodeDWORDHost,
-	FlagDecodeOctalHost,
-	FlagDecodeHexHost,
-	FlagRemoveUnnecessaryHostDots,
-	FlagRemoveEmptyPortSeparator,
-	FlagRemoveTrailingSlash, // These two (add/remove trailing slash) must be last
-	FlagAddTrailingSlash,
-}
-
-// ... and then the map, where order is unimportant
-var flags = map[NormalizationFlags]func(*url.URL){
-	FlagLowercaseScheme:           lowercaseScheme,
-	FlagLowercaseHost:             lowercaseHost,
-	FlagRemoveDefaultPort:         removeDefaultPort,
-	FlagRemoveDirectoryIndex:      removeDirectoryIndex,
-	FlagRemoveDotSegments:         removeDotSegments,
-	FlagRemoveFragment:            removeFragment,
-	FlagForceHTTP:                 forceHTTP,
-	FlagRemoveDuplicateSlashes:    removeDuplicateSlashes,
-	FlagRemoveWWW:                 removeWWW,
-	FlagAddWWW:                    addWWW,
-	FlagSortQuery:                 sortQuery,
-	FlagDecodeDWORDHost:           decodeDWORDHost,
-	FlagDecodeOctalHost:           decodeOctalHost,
-	FlagDecodeHexHost:             decodeHexHost,
-	FlagRemoveUnnecessaryHostDots: removeUnncessaryHostDots,
-	FlagRemoveEmptyPortSeparator:  removeEmptyPortSeparator,
-	FlagRemoveTrailingSlash:       removeTrailingSlash,
-	FlagAddTrailingSlash:          addTrailingSlash,
-}
-
-// MustNormalizeURLString returns the normalized string, and panics if an error occurs.
-// It takes an URL string as input, as well as the normalization flags.
-func MustNormalizeURLString(u string, f NormalizationFlags) string {
-	result, e := NormalizeURLString(u, f)
-	if e != nil {
-		panic(e)
-	}
-	return result
-}
-
-// NormalizeURLString returns the normalized string, or an error if it can't be parsed into an URL object.
-// It takes an URL string as input, as well as the normalization flags.
-func NormalizeURLString(u string, f NormalizationFlags) (string, error) {
-	if parsed, e := url.Parse(u); e != nil {
-		return "", e
-	} else {
-		options := make([]precis.Option, 1, 3)
-		options[0] = precis.IgnoreCase
-		if f&FlagLowercaseHost == FlagLowercaseHost {
-			options = append(options, precis.FoldCase())
-		}
-		options = append(options, precis.Norm(norm.NFC))
-		profile := precis.NewFreeform(options...)
-		if parsed.Host, e = idna.ToASCII(profile.NewTransformer().String(parsed.Host)); e != nil {
-			return "", e
-		}
-		return NormalizeURL(parsed, f), nil
-	}
-	panic("Unreachable code.")
-}
-
-// NormalizeURL returns the normalized string.
-// It takes a parsed URL object as input, as well as the normalization flags.
-func NormalizeURL(u *url.URL, f NormalizationFlags) string {
-	for _, k := range flagsOrder {
-		if f&k == k {
-			flags[k](u)
-		}
-	}
-	return urlesc.Escape(u)
-}
-
-func lowercaseScheme(u *url.URL) {
-	if len(u.Scheme) > 0 {
-		u.Scheme = strings.ToLower(u.Scheme)
-	}
-}
-
-func lowercaseHost(u *url.URL) {
-	if len(u.Host) > 0 {
-		u.Host = strings.ToLower(u.Host)
-	}
-}
-
-func removeDefaultPort(u *url.URL) {
-	if len(u.Host) > 0 {
-		scheme := strings.ToLower(u.Scheme)
-		u.Host = rxPort.ReplaceAllStringFunc(u.Host, func(val string) string {
-			if (scheme == "http" && val == defaultHttpPort) || (scheme == "https" && val == defaultHttpsPort) {
-				return ""
-			}
-			return val
-		})
-	}
-}
-
-func removeTrailingSlash(u *url.URL) {
-	if l := len(u.Path); l > 0 {
-		if strings.HasSuffix(u.Path, "/") {
-			u.Path = u.Path[:l-1]
-		}
-	} else if l = len(u.Host); l > 0 {
-		if strings.HasSuffix(u.Host, "/") {
-			u.Host = u.Host[:l-1]
-		}
-	}
-}
-
-func addTrailingSlash(u *url.URL) {
-	if l := len(u.Path); l > 0 {
-		if !strings.HasSuffix(u.Path, "/") {
-			u.Path += "/"
-		}
-	} else if l = len(u.Host); l > 0 {
-		if !strings.HasSuffix(u.Host, "/") {
-			u.Host += "/"
-		}
-	}
-}
-
-func removeDotSegments(u *url.URL) {
-	if len(u.Path) > 0 {
-		var dotFree []string
-		var lastIsDot bool
-
-		sections := strings.Split(u.Path, "/")
-		for _, s := range sections {
-			if s == ".." {
-				if len(dotFree) > 0 {
-					dotFree = dotFree[:len(dotFree)-1]
-				}
-			} else if s != "." {
-				dotFree = append(dotFree, s)
-			}
-			lastIsDot = (s == "." || s == "..")
-		}
-		// Special case if host does not end with / and new path does not begin with /
-		u.Path = strings.Join(dotFree, "/")
-		if u.Host != "" && !strings.HasSuffix(u.Host, "/") && !strings.HasPrefix(u.Path, "/") {
-			u.Path = "/" + u.Path
-		}
-		// Special case if the last segment was a dot, make sure the path ends with a slash
-		if lastIsDot && !strings.HasSuffix(u.Path, "/") {
-			u.Path += "/"
-		}
-	}
-}
-
-func removeDirectoryIndex(u *url.URL) {
-	if len(u.Path) > 0 {
-		u.Path = rxDirIndex.ReplaceAllString(u.Path, "$1")
-	}
-}
-
-func removeFragment(u *url.URL) {
-	u.Fragment = ""
-}
-
-func forceHTTP(u *url.URL) {
-	if strings.ToLower(u.Scheme) == "https" {
-		u.Scheme = "http"
-	}
-}
-
-func removeDuplicateSlashes(u *url.URL) {
-	if len(u.Path) > 0 {
-		u.Path = rxDupSlashes.ReplaceAllString(u.Path, "/")
-	}
-}
-
-func removeWWW(u *url.URL) {
-	if len(u.Host) > 0 && strings.HasPrefix(strings.ToLower(u.Host), "www.") {
-		u.Host = u.Host[4:]
-	}
-}
-
-func addWWW(u *url.URL) {
-	if len(u.Host) > 0 && !strings.HasPrefix(strings.ToLower(u.Host), "www.") {
-		u.Host = "www." + u.Host
-	}
-}
-
-func sortQuery(u *url.URL) {
-	q := u.Query()
-
-	if len(q) > 0 {
-		arKeys := make([]string, len(q))
-		i := 0
-		for k, _ := range q {
-			arKeys[i] = k
-			i++
-		}
-		sort.Strings(arKeys)
-		buf := new(bytes.Buffer)
-		for _, k := range arKeys {
-			sort.Strings(q[k])
-			for _, v := range q[k] {
-				if buf.Len() > 0 {
-					buf.WriteRune('&')
-				}
-				buf.WriteString(fmt.Sprintf("%s=%s", k, urlesc.QueryEscape(v)))
-			}
-		}
-
-		// Rebuild the raw query string
-		u.RawQuery = buf.String()
-	}
-}
-
-func decodeDWORDHost(u *url.URL) {
-	if len(u.Host) > 0 {
-		if matches := rxDWORDHost.FindStringSubmatch(u.Host); len(matches) > 2 {
-			var parts [4]int64
-
-			dword, _ := strconv.ParseInt(matches[1], 10, 0)
-			for i, shift := range []uint{24, 16, 8, 0} {
-				parts[i] = dword >> shift & 0xFF
-			}
-			u.Host = fmt.Sprintf("%d.%d.%d.%d%s", parts[0], parts[1], parts[2], parts[3], matches[2])
-		}
-	}
-}
-
-func decodeOctalHost(u *url.URL) {
-	if len(u.Host) > 0 {
-		if matches := rxOctalHost.FindStringSubmatch(u.Host); len(matches) > 5 {
-			var parts [4]int64
-
-			for i := 1; i <= 4; i++ {
-				parts[i-1], _ = strconv.ParseInt(matches[i], 8, 0)
-			}
-			u.Host = fmt.Sprintf("%d.%d.%d.%d%s", parts[0], parts[1], parts[2], parts[3], matches[5])
-		}
-	}
-}
-
-func decodeHexHost(u *url.URL) {
-	if len(u.Host) > 0 {
-		if matches := rxHexHost.FindStringSubmatch(u.Host); len(matches) > 2 {
-			// Conversion is safe because of regex validation
-			parsed, _ := strconv.ParseInt(matches[1], 16, 0)
-			// Set host as DWORD (base 10) encoded host
-			u.Host = fmt.Sprintf("%d%s", parsed, matches[2])
-			// The rest is the same as decoding a DWORD host
-			decodeDWORDHost(u)
-		}
-	}
-}
-
-func removeUnncessaryHostDots(u *url.URL) {
-	if len(u.Host) > 0 {
-		if matches := rxHostDots.FindStringSubmatch(u.Host); len(matches) > 1 {
-			// Trim the leading and trailing dots
-			u.Host = strings.Trim(matches[1], ".")
-			if len(matches) > 2 {
-				u.Host += matches[2]
-			}
-		}
-	}
-}
-
-func removeEmptyPortSeparator(u *url.URL) {
-	if len(u.Host) > 0 {
-		u.Host = rxEmptyPort.ReplaceAllString(u.Host, "")
-	}
-}
--- a/vendor/github.com/PuerkitoBio/urlesc/.travis.yml
+++ b/vendor/github.com/PuerkitoBio/urlesc/.travis.yml
@@ -1,11 +0,0 @@
-language: go
-
-go:
-  - 1.4
-  - tip
-
-install:
-  - go build .
-
-script:
-  - go test -v
--- a/vendor/github.com/PuerkitoBio/urlesc/LICENSE
+++ b/vendor/github.com/PuerkitoBio/urlesc/LICENSE
@@ -1,27 +0,0 @@
-Copyright (c) 2012 The Go Authors. All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
-   * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-   * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
-   * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--- a/vendor/github.com/PuerkitoBio/urlesc/README.md
+++ b/vendor/github.com/PuerkitoBio/urlesc/README.md
@@ -1,16 +0,0 @@
-urlesc [![Build Status](https://travis-ci.org/PuerkitoBio/urlesc.png?branch=master)](https://travis-ci.org/PuerkitoBio/urlesc) [![GoDoc](http://godoc.org/github.com/PuerkitoBio/urlesc?status.svg)](http://godoc.org/github.com/PuerkitoBio/urlesc)
-======
-
-Package urlesc implements query escaping as per RFC 3986.
-
-It contains some parts of the net/url package, modified so as to allow
-some reserved characters incorrectly escaped by net/url (see [issue 5684](https://github.com/golang/go/issues/5684)).
-
-## Install
-
-    go get github.com/PuerkitoBio/urlesc
-
-## License
-
-Go license (BSD-3-Clause)
-
--- a/vendor/github.com/PuerkitoBio/urlesc/urlesc.go
+++ b/vendor/github.com/PuerkitoBio/urlesc/urlesc.go
@@ -1,180 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package urlesc implements query escaping as per RFC 3986.
-// It contains some parts of the net/url package, modified so as to allow
-// some reserved characters incorrectly escaped by net/url.
-// See https://github.com/golang/go/issues/5684
-package urlesc
-
-import (
-	"bytes"
-	"net/url"
-	"strings"
-)
-
-type encoding int
-
-const (
-	encodePath encoding = 1 + iota
-	encodeUserPassword
-	encodeQueryComponent
-	encodeFragment
-)
-
-// Return true if the specified character should be escaped when
-// appearing in a URL string, according to RFC 3986.
-func shouldEscape(c byte, mode encoding) bool {
-	// §2.3 Unreserved characters (alphanum)
-	if 'A' <= c && c <= 'Z' || 'a' <= c && c <= 'z' || '0' <= c && c <= '9' {
-		return false
-	}
-
-	switch c {
-	case '-', '.', '_', '~': // §2.3 Unreserved characters (mark)
-		return false
-
-	// §2.2 Reserved characters (reserved)
-	case ':', '/', '?', '#', '[', ']', '@', // gen-delims
-		'!', '$', '&', '\'', '(', ')', '*', '+', ',', ';', '=': // sub-delims
-		// Different sections of the URL allow a few of
-		// the reserved characters to appear unescaped.
-		switch mode {
-		case encodePath: // §3.3
-			// The RFC allows sub-delims and : @.
-			// '/', '[' and ']' can be used to assign meaning to individual path
-			// segments.  This package only manipulates the path as a whole,
-			// so we allow those as well.  That leaves only ? and # to escape.
-			return c == '?' || c == '#'
-
-		case encodeUserPassword: // §3.2.1
-			// The RFC allows : and sub-delims in
-			// userinfo.  The parsing of userinfo treats ':' as special so we must escape
-			// all the gen-delims.
-			return c == ':' || c == '/' || c == '?' || c == '#' || c == '[' || c == ']' || c == '@'
-
-		case encodeQueryComponent: // §3.4
-			// The RFC allows / and ?.
-			return c != '/' && c != '?'
-
-		case encodeFragment: // §4.1
-			// The RFC text is silent but the grammar allows
-			// everything, so escape nothing but #
-			return c == '#'
-		}
-	}
-
-	// Everything else must be escaped.
-	return true
-}
-
-// QueryEscape escapes the string so it can be safely placed
-// inside a URL query.
-func QueryEscape(s string) string {
-	return escape(s, encodeQueryComponent)
-}
-
-func escape(s string, mode encoding) string {
-	spaceCount, hexCount := 0, 0
-	for i := 0; i < len(s); i++ {
-		c := s[i]
-		if shouldEscape(c, mode) {
-			if c == ' ' && mode == encodeQueryComponent {
-				spaceCount++
-			} else {
-				hexCount++
-			}
-		}
-	}
-
-	if spaceCount == 0 && hexCount == 0 {
-		return s
-	}
-
-	t := make([]byte, len(s)+2*hexCount)
-	j := 0
-	for i := 0; i < len(s); i++ {
-		switch c := s[i]; {
-		case c == ' ' && mode == encodeQueryComponent:
-			t[j] = '+'
-			j++
-		case shouldEscape(c, mode):
-			t[j] = '%'
-			t[j+1] = "0123456789ABCDEF"[c>>4]
-			t[j+2] = "0123456789ABCDEF"[c&15]
-			j += 3
-		default:
-			t[j] = s[i]
-			j++
-		}
-	}
-	return string(t)
-}
-
-var uiReplacer = strings.NewReplacer(
-	"%21", "!",
-	"%27", "'",
-	"%28", "(",
-	"%29", ")",
-	"%2A", "*",
-)
-
-// unescapeUserinfo unescapes some characters that need not to be escaped as per RFC3986.
-func unescapeUserinfo(s string) string {
-	return uiReplacer.Replace(s)
-}
-
-// Escape reassembles the URL into a valid URL string.
-// The general form of the result is one of:
-//
-//	scheme:opaque
-//	scheme://userinfo@host/path?query#fragment
-//
-// If u.Opaque is non-empty, String uses the first form;
-// otherwise it uses the second form.
-//
-// In the second form, the following rules apply:
-//	- if u.Scheme is empty, scheme: is omitted.
-//	- if u.User is nil, userinfo@ is omitted.
-//	- if u.Host is empty, host/ is omitted.
-//	- if u.Scheme and u.Host are empty and u.User is nil,
-//	   the entire scheme://userinfo@host/ is omitted.
-//	- if u.Host is non-empty and u.Path begins with a /,
-//	   the form host/path does not add its own /.
-//	- if u.RawQuery is empty, ?query is omitted.
-//	- if u.Fragment is empty, #fragment is omitted.
-func Escape(u *url.URL) string {
-	var buf bytes.Buffer
-	if u.Scheme != "" {
-		buf.WriteString(u.Scheme)
-		buf.WriteByte(':')
-	}
-	if u.Opaque != "" {
-		buf.WriteString(u.Opaque)
-	} else {
-		if u.Scheme != "" || u.Host != "" || u.User != nil {
-			buf.WriteString("//")
-			if ui := u.User; ui != nil {
-				buf.WriteString(unescapeUserinfo(ui.String()))
-				buf.WriteByte('@')
-			}
-			if h := u.Host; h != "" {
-				buf.WriteString(h)
-			}
-		}
-		if u.Path != "" && u.Path[0] != '/' && u.Host != "" {
-			buf.WriteByte('/')
-		}
-		buf.WriteString(escape(u.Path, encodePath))
-	}
-	if u.RawQuery != "" {
-		buf.WriteByte('?')
-		buf.WriteString(u.RawQuery)
-	}
-	if u.Fragment != "" {
-		buf.WriteByte('#')
-		buf.WriteString(escape(u.Fragment, encodeFragment))
-	}
-	return buf.String()
-}
--- a/vendor/github.com/davecgh/go-spew/LICENSE
+++ b/vendor/github.com/davecgh/go-spew/LICENSE
@@ -1,15 +0,0 @@
-ISC License
-
-Copyright (c) 2012-2016 Dave Collins <dave@davec.name>
-
-Permission to use, copy, modify, and distribute this software for any
-purpose with or without fee is hereby granted, provided that the above
-copyright notice and this permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
--- a/vendor/github.com/davecgh/go-spew/spew/bypass.go
+++ b/vendor/github.com/davecgh/go-spew/spew/bypass.go
@@ -1,152 +0,0 @@
-// Copyright (c) 2015-2016 Dave Collins <dave@davec.name>
-//
-// Permission to use, copy, modify, and distribute this software for any
-// purpose with or without fee is hereby granted, provided that the above
-// copyright notice and this permission notice appear in all copies.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-// NOTE: Due to the following build constraints, this file will only be compiled
-// when the code is not running on Google App Engine, compiled by GopherJS, and
-// "-tags safe" is not added to the go build command line.  The "disableunsafe"
-// tag is deprecated and thus should not be used.
-// +build !js,!appengine,!safe,!disableunsafe
-
-package spew
-
-import (
-	"reflect"
-	"unsafe"
-)
-
-const (
-	// UnsafeDisabled is a build-time constant which specifies whether or
-	// not access to the unsafe package is available.
-	UnsafeDisabled = false
-
-	// ptrSize is the size of a pointer on the current arch.
-	ptrSize = unsafe.Sizeof((*byte)(nil))
-)
-
-var (
-	// offsetPtr, offsetScalar, and offsetFlag are the offsets for the
-	// internal reflect.Value fields.  These values are valid before golang
-	// commit ecccf07e7f9d which changed the format.  The are also valid
-	// after commit 82f48826c6c7 which changed the format again to mirror
-	// the original format.  Code in the init function updates these offsets
-	// as necessary.
-	offsetPtr    = uintptr(ptrSize)
-	offsetScalar = uintptr(0)
-	offsetFlag   = uintptr(ptrSize * 2)
-
-	// flagKindWidth and flagKindShift indicate various bits that the
-	// reflect package uses internally to track kind information.
-	//
-	// flagRO indicates whether or not the value field of a reflect.Value is
-	// read-only.
-	//
-	// flagIndir indicates whether the value field of a reflect.Value is
-	// the actual data or a pointer to the data.
-	//
-	// These values are valid before golang commit 90a7c3c86944 which
-	// changed their positions.  Code in the init function updates these
-	// flags as necessary.
-	flagKindWidth = uintptr(5)
-	flagKindShift = uintptr(flagKindWidth - 1)
-	flagRO        = uintptr(1 << 0)
-	flagIndir     = uintptr(1 << 1)
-)
-
-func init() {
-	// Older versions of reflect.Value stored small integers directly in the
-	// ptr field (which is named val in the older versions).  Versions
-	// between commits ecccf07e7f9d and 82f48826c6c7 added a new field named
-	// scalar for this purpose which unfortunately came before the flag
-	// field, so the offset of the flag field is different for those
-	// versions.
-	//
-	// This code constructs a new reflect.Value from a known small integer
-	// and checks if the size of the reflect.Value struct indicates it has
-	// the scalar field. When it does, the offsets are updated accordingly.
-	vv := reflect.ValueOf(0xf00)
-	if unsafe.Sizeof(vv) == (ptrSize * 4) {
-		offsetScalar = ptrSize * 2
-		offsetFlag = ptrSize * 3
-	}
-
-	// Commit 90a7c3c86944 changed the flag positions such that the low
-	// order bits are the kind.  This code extracts the kind from the flags
-	// field and ensures it's the correct type.  When it's not, the flag
-	// order has been changed to the newer format, so the flags are updated
-	// accordingly.
-	upf := unsafe.Pointer(uintptr(unsafe.Pointer(&vv)) + offsetFlag)
-	upfv := *(*uintptr)(upf)
-	flagKindMask := uintptr((1<<flagKindWidth - 1) << flagKindShift)
-	if (upfv&flagKindMask)>>flagKindShift != uintptr(reflect.Int) {
-		flagKindShift = 0
-		flagRO = 1 << 5
-		flagIndir = 1 << 6
-
-		// Commit adf9b30e5594 modified the flags to separate the
-		// flagRO flag into two bits which specifies whether or not the
-		// field is embedded.  This causes flagIndir to move over a bit
-		// and means that flagRO is the combination of either of the
-		// original flagRO bit and the new bit.
-		//
-		// This code detects the change by extracting what used to be
-		// the indirect bit to ensure it's set.  When it's not, the flag
-		// order has been changed to the newer format, so the flags are
-		// updated accordingly.
-		if upfv&flagIndir == 0 {
-			flagRO = 3 << 5
-			flagIndir = 1 << 7
-		}
-	}
-}
-
-// unsafeReflectValue converts the passed reflect.Value into a one that bypasses
-// the typical safety restrictions preventing access to unaddressable and
-// unexported data.  It works by digging the raw pointer to the underlying
-// value out of the protected value and generating a new unprotected (unsafe)
-// reflect.Value to it.
-//
-// This allows us to check for implementations of the Stringer and error
-// interfaces to be used for pretty printing ordinarily unaddressable and
-// inaccessible values such as unexported struct fields.
-func unsafeReflectValue(v reflect.Value) (rv reflect.Value) {
-	indirects := 1
-	vt := v.Type()
-	upv := unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + offsetPtr)
-	rvf := *(*uintptr)(unsafe.Pointer(uintptr(unsafe.Pointer(&v)) + offsetFlag))
-	if rvf&flagIndir != 0 {
-		vt = reflect.PtrTo(v.Type())
-		indirects++
-	} else if offsetScalar != 0 {
-		// The value is in the scalar field when it's not one of the
-		// reference types.
-		switch vt.Kind() {
-		case reflect.Uintptr:
-		case reflect.Chan:
-		case reflect.Func:
-		case reflect.Map:
-		case reflect.Ptr:
-		case reflect.UnsafePointer:
-		default:
-			upv = unsafe.Pointer(uintptr(unsafe.Pointer(&v)) +
-				offsetScalar)
-		}
-	}
-
-	pv := reflect.NewAt(vt, upv)
-	rv = pv
-	for i := 0; i < indirects; i++ {
-		rv = rv.Elem()
-	}
-	return rv
-}
--- a/vendor/github.com/davecgh/go-spew/spew/bypasssafe.go
+++ b/vendor/github.com/davecgh/go-spew/spew/bypasssafe.go
@@ -1,38 +0,0 @@
-// Copyright (c) 2015-2016 Dave Collins <dave@davec.name>
-//
-// Permission to use, copy, modify, and distribute this software for any
-// purpose with or without fee is hereby granted, provided that the above
-// copyright notice and this permission notice appear in all copies.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
-// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
-// NOTE: Due to the following build constraints, this file will only be compiled
-// when the code is running on Google App Engine, compiled by GopherJS, or
-// "-tags safe" is added to the go build command line.  The "disableunsafe"
-// tag is deprecated and thus should not be used.
-// +build js appengine safe disableunsafe
-
-package spew
-
-import "reflect"
-
-const (
-	// UnsafeDisabled is a build-time constant which specifies whether or
-	// not access to the unsafe package is available.
-	UnsafeDisabled = true
-)
-
-// unsafeReflectValue typically converts the passed reflect.Value into a one
-// that bypasses the typical safety restrictions preventing access to
-// unaddressable and unexported data.  However, doing this relies on access to
-// the unsafe package.  This is a stub version which simply returns the passed
-// reflect.Value when the unsafe package is not available.
-func unsafeReflectValue(v reflect.Value) reflect.Value {
-	return v
-}
--- a/vendor/github.com/davecgh/go-spew/spew/common.go
+++ b/vendor/github.com/davecgh/go-spew/spew/common.go
@@ -1,341 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"reflect"
-	"sort"
-	"strconv"
-)
-
-// Some constants in the form of bytes to avoid string overhead.  This mirrors
-// the technique used in the fmt package.
-var (
-	panicBytes            = []byte("(PANIC=")
-	plusBytes             = []byte("+")
-	iBytes                = []byte("i")
-	trueBytes             = []byte("true")
-	falseBytes            = []byte("false")
-	interfaceBytes        = []byte("(interface {})")
-	commaNewlineBytes     = []byte(",\n")
-	newlineBytes          = []byte("\n")
-	openBraceBytes        = []byte("{")
-	openBraceNewlineBytes = []byte("{\n")
-	closeBraceBytes       = []byte("}")
-	asteriskBytes         = []byte("*")
-	colonBytes            = []byte(":")
-	colonSpaceBytes       = []byte(": ")
-	openParenBytes        = []byte("(")
-	closeParenBytes       = []byte(")")
-	spaceBytes            = []byte(" ")
-	pointerChainBytes     = []byte("->")
-	nilAngleBytes         = []byte("<nil>")
-	maxNewlineBytes       = []byte("<max depth reached>\n")
-	maxShortBytes         = []byte("<max>")
-	circularBytes         = []byte("<already shown>")
-	circularShortBytes    = []byte("<shown>")
-	invalidAngleBytes     = []byte("<invalid>")
-	openBracketBytes      = []byte("[")
-	closeBracketBytes     = []byte("]")
-	percentBytes          = []byte("%")
-	precisionBytes        = []byte(".")
-	openAngleBytes        = []byte("<")
-	closeAngleBytes       = []byte(">")
-	openMapBytes          = []byte("map[")
-	closeMapBytes         = []byte("]")
-	lenEqualsBytes        = []byte("len=")
-	capEqualsBytes        = []byte("cap=")
-)
-
-// hexDigits is used to map a decimal value to a hex digit.
-var hexDigits = "0123456789abcdef"
-
-// catchPanic handles any panics that might occur during the handleMethods
-// calls.
-func catchPanic(w io.Writer, v reflect.Value) {
-	if err := recover(); err != nil {
-		w.Write(panicBytes)
-		fmt.Fprintf(w, "%v", err)
-		w.Write(closeParenBytes)
-	}
-}
-
-// handleMethods attempts to call the Error and String methods on the underlying
-// type the passed reflect.Value represents and outputes the result to Writer w.
-//
-// It handles panics in any called methods by catching and displaying the error
-// as the formatted value.
-func handleMethods(cs *ConfigState, w io.Writer, v reflect.Value) (handled bool) {
-	// We need an interface to check if the type implements the error or
-	// Stringer interface.  However, the reflect package won't give us an
-	// interface on certain things like unexported struct fields in order
-	// to enforce visibility rules.  We use unsafe, when it's available,
-	// to bypass these restrictions since this package does not mutate the
-	// values.
-	if !v.CanInterface() {
-		if UnsafeDisabled {
-			return false
-		}
-
-		v = unsafeReflectValue(v)
-	}
-
-	// Choose whether or not to do error and Stringer interface lookups against
-	// the base type or a pointer to the base type depending on settings.
-	// Technically calling one of these methods with a pointer receiver can
-	// mutate the value, however, types which choose to satisify an error or
-	// Stringer interface with a pointer receiver should not be mutating their
-	// state inside these interface methods.
-	if !cs.DisablePointerMethods && !UnsafeDisabled && !v.CanAddr() {
-		v = unsafeReflectValue(v)
-	}
-	if v.CanAddr() {
-		v = v.Addr()
-	}
-
-	// Is it an error or Stringer?
-	switch iface := v.Interface().(type) {
-	case error:
-		defer catchPanic(w, v)
-		if cs.ContinueOnMethod {
-			w.Write(openParenBytes)
-			w.Write([]byte(iface.Error()))
-			w.Write(closeParenBytes)
-			w.Write(spaceBytes)
-			return false
-		}
-
-		w.Write([]byte(iface.Error()))
-		return true
-
-	case fmt.Stringer:
-		defer catchPanic(w, v)
-		if cs.ContinueOnMethod {
-			w.Write(openParenBytes)
-			w.Write([]byte(iface.String()))
-			w.Write(closeParenBytes)
-			w.Write(spaceBytes)
-			return false
-		}
-		w.Write([]byte(iface.String()))
-		return true
-	}
-	return false
-}
-
-// printBool outputs a boolean value as true or false to Writer w.
-func printBool(w io.Writer, val bool) {
-	if val {
-		w.Write(trueBytes)
-	} else {
-		w.Write(falseBytes)
-	}
-}
-
-// printInt outputs a signed integer value to Writer w.
-func printInt(w io.Writer, val int64, base int) {
-	w.Write([]byte(strconv.FormatInt(val, base)))
-}
-
-// printUint outputs an unsigned integer value to Writer w.
-func printUint(w io.Writer, val uint64, base int) {
-	w.Write([]byte(strconv.FormatUint(val, base)))
-}
-
-// printFloat outputs a floating point value using the specified precision,
-// which is expected to be 32 or 64bit, to Writer w.
-func printFloat(w io.Writer, val float64, precision int) {
-	w.Write([]byte(strconv.FormatFloat(val, 'g', -1, precision)))
-}
-
-// printComplex outputs a complex value using the specified float precision
-// for the real and imaginary parts to Writer w.
-func printComplex(w io.Writer, c complex128, floatPrecision int) {
-	r := real(c)
-	w.Write(openParenBytes)
-	w.Write([]byte(strconv.FormatFloat(r, 'g', -1, floatPrecision)))
-	i := imag(c)
-	if i >= 0 {
-		w.Write(plusBytes)
-	}
-	w.Write([]byte(strconv.FormatFloat(i, 'g', -1, floatPrecision)))
-	w.Write(iBytes)
-	w.Write(closeParenBytes)
-}
-
-// printHexPtr outputs a uintptr formatted as hexadecimal with a leading '0x'
-// prefix to Writer w.
-func printHexPtr(w io.Writer, p uintptr) {
-	// Null pointer.
-	num := uint64(p)
-	if num == 0 {
-		w.Write(nilAngleBytes)
-		return
-	}
-
-	// Max uint64 is 16 bytes in hex + 2 bytes for '0x' prefix
-	buf := make([]byte, 18)
-
-	// It's simpler to construct the hex string right to left.
-	base := uint64(16)
-	i := len(buf) - 1
-	for num >= base {
-		buf[i] = hexDigits[num%base]
-		num /= base
-		i--
-	}
-	buf[i] = hexDigits[num]
-
-	// Add '0x' prefix.
-	i--
-	buf[i] = 'x'
-	i--
-	buf[i] = '0'
-
-	// Strip unused leading bytes.
-	buf = buf[i:]
-	w.Write(buf)
-}
-
-// valuesSorter implements sort.Interface to allow a slice of reflect.Value
-// elements to be sorted.
-type valuesSorter struct {
-	values  []reflect.Value
-	strings []string // either nil or same len and values
-	cs      *ConfigState
-}
-
-// newValuesSorter initializes a valuesSorter instance, which holds a set of
-// surrogate keys on which the data should be sorted.  It uses flags in
-// ConfigState to decide if and how to populate those surrogate keys.
-func newValuesSorter(values []reflect.Value, cs *ConfigState) sort.Interface {
-	vs := &valuesSorter{values: values, cs: cs}
-	if canSortSimply(vs.values[0].Kind()) {
-		return vs
-	}
-	if !cs.DisableMethods {
-		vs.strings = make([]string, len(values))
-		for i := range vs.values {
-			b := bytes.Buffer{}
-			if !handleMethods(cs, &b, vs.values[i]) {
-				vs.strings = nil
-				break
-			}
-			vs.strings[i] = b.String()
-		}
-	}
-	if vs.strings == nil && cs.SpewKeys {
-		vs.strings = make([]string, len(values))
-		for i := range vs.values {
-			vs.strings[i] = Sprintf("%#v", vs.values[i].Interface())
-		}
-	}
-	return vs
-}
-
-// canSortSimply tests whether a reflect.Kind is a primitive that can be sorted
-// directly, or whether it should be considered for sorting by surrogate keys
-// (if the ConfigState allows it).
-func canSortSimply(kind reflect.Kind) bool {
-	// This switch parallels valueSortLess, except for the default case.
-	switch kind {
-	case reflect.Bool:
-		return true
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		return true
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		return true
-	case reflect.Float32, reflect.Float64:
-		return true
-	case reflect.String:
-		return true
-	case reflect.Uintptr:
-		return true
-	case reflect.Array:
-		return true
-	}
-	return false
-}
-
-// Len returns the number of values in the slice.  It is part of the
-// sort.Interface implementation.
-func (s *valuesSorter) Len() int {
-	return len(s.values)
-}
-
-// Swap swaps the values at the passed indices.  It is part of the
-// sort.Interface implementation.
-func (s *valuesSorter) Swap(i, j int) {
-	s.values[i], s.values[j] = s.values[j], s.values[i]
-	if s.strings != nil {
-		s.strings[i], s.strings[j] = s.strings[j], s.strings[i]
-	}
-}
-
-// valueSortLess returns whether the first value should sort before the second
-// value.  It is used by valueSorter.Less as part of the sort.Interface
-// implementation.
-func valueSortLess(a, b reflect.Value) bool {
-	switch a.Kind() {
-	case reflect.Bool:
-		return !a.Bool() && b.Bool()
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		return a.Int() < b.Int()
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		return a.Uint() < b.Uint()
-	case reflect.Float32, reflect.Float64:
-		return a.Float() < b.Float()
-	case reflect.String:
-		return a.String() < b.String()
-	case reflect.Uintptr:
-		return a.Uint() < b.Uint()
-	case reflect.Array:
-		// Compare the contents of both arrays.
-		l := a.Len()
-		for i := 0; i < l; i++ {
-			av := a.Index(i)
-			bv := b.Index(i)
-			if av.Interface() == bv.Interface() {
-				continue
-			}
-			return valueSortLess(av, bv)
-		}
-	}
-	return a.String() < b.String()
-}
-
-// Less returns whether the value at index i should sort before the
-// value at index j.  It is part of the sort.Interface implementation.
-func (s *valuesSorter) Less(i, j int) bool {
-	if s.strings == nil {
-		return valueSortLess(s.values[i], s.values[j])
-	}
-	return s.strings[i] < s.strings[j]
-}
-
-// sortValues is a sort function that handles both native types and any type that
-// can be converted to error or Stringer.  Other inputs are sorted according to
-// their Value.String() value to ensure display stability.
-func sortValues(values []reflect.Value, cs *ConfigState) {
-	if len(values) == 0 {
-		return
-	}
-	sort.Sort(newValuesSorter(values, cs))
-}
--- a/vendor/github.com/davecgh/go-spew/spew/config.go
+++ b/vendor/github.com/davecgh/go-spew/spew/config.go
@@ -1,306 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-	"os"
-)
-
-// ConfigState houses the configuration options used by spew to format and
-// display values.  There is a global instance, Config, that is used to control
-// all top-level Formatter and Dump functionality.  Each ConfigState instance
-// provides methods equivalent to the top-level functions.
-//
-// The zero value for ConfigState provides no indentation.  You would typically
-// want to set it to a space or a tab.
-//
-// Alternatively, you can use NewDefaultConfig to get a ConfigState instance
-// with default settings.  See the documentation of NewDefaultConfig for default
-// values.
-type ConfigState struct {
-	// Indent specifies the string to use for each indentation level.  The
-	// global config instance that all top-level functions use set this to a
-	// single space by default.  If you would like more indentation, you might
-	// set this to a tab with "\t" or perhaps two spaces with "  ".
-	Indent string
-
-	// MaxDepth controls the maximum number of levels to descend into nested
-	// data structures.  The default, 0, means there is no limit.
-	//
-	// NOTE: Circular data structures are properly detected, so it is not
-	// necessary to set this value unless you specifically want to limit deeply
-	// nested data structures.
-	MaxDepth int
-
-	// DisableMethods specifies whether or not error and Stringer interfaces are
-	// invoked for types that implement them.
-	DisableMethods bool
-
-	// DisablePointerMethods specifies whether or not to check for and invoke
-	// error and Stringer interfaces on types which only accept a pointer
-	// receiver when the current type is not a pointer.
-	//
-	// NOTE: This might be an unsafe action since calling one of these methods
-	// with a pointer receiver could technically mutate the value, however,
-	// in practice, types which choose to satisify an error or Stringer
-	// interface with a pointer receiver should not be mutating their state
-	// inside these interface methods.  As a result, this option relies on
-	// access to the unsafe package, so it will not have any effect when
-	// running in environments without access to the unsafe package such as
-	// Google App Engine or with the "safe" build tag specified.
-	DisablePointerMethods bool
-
-	// DisablePointerAddresses specifies whether to disable the printing of
-	// pointer addresses. This is useful when diffing data structures in tests.
-	DisablePointerAddresses bool
-
-	// DisableCapacities specifies whether to disable the printing of capacities
-	// for arrays, slices, maps and channels. This is useful when diffing
-	// data structures in tests.
-	DisableCapacities bool
-
-	// ContinueOnMethod specifies whether or not recursion should continue once
-	// a custom error or Stringer interface is invoked.  The default, false,
-	// means it will print the results of invoking the custom error or Stringer
-	// interface and return immediately instead of continuing to recurse into
-	// the internals of the data type.
-	//
-	// NOTE: This flag does not have any effect if method invocation is disabled
-	// via the DisableMethods or DisablePointerMethods options.
-	ContinueOnMethod bool
-
-	// SortKeys specifies map keys should be sorted before being printed. Use
-	// this to have a more deterministic, diffable output.  Note that only
-	// native types (bool, int, uint, floats, uintptr and string) and types
-	// that support the error or Stringer interfaces (if methods are
-	// enabled) are supported, with other types sorted according to the
-	// reflect.Value.String() output which guarantees display stability.
-	SortKeys bool
-
-	// SpewKeys specifies that, as a last resort attempt, map keys should
-	// be spewed to strings and sorted by those strings.  This is only
-	// considered if SortKeys is true.
-	SpewKeys bool
-}
-
-// Config is the active configuration of the top-level functions.
-// The configuration can be changed by modifying the contents of spew.Config.
-var Config = ConfigState{Indent: " "}
-
-// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the formatted string as a value that satisfies error.  See NewFormatter
-// for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Errorf(format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Errorf(format string, a ...interface{}) (err error) {
-	return fmt.Errorf(format, c.convertArgs(a)...)
-}
-
-// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprint(w, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Fprint(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprint(w, c.convertArgs(a)...)
-}
-
-// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintf(w, format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
-	return fmt.Fprintf(w, format, c.convertArgs(a)...)
-}
-
-// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it
-// passed with a Formatter interface returned by c.NewFormatter.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintln(w, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprintln(w, c.convertArgs(a)...)
-}
-
-// Print is a wrapper for fmt.Print that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Print(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Print(a ...interface{}) (n int, err error) {
-	return fmt.Print(c.convertArgs(a)...)
-}
-
-// Printf is a wrapper for fmt.Printf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Printf(format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Printf(format string, a ...interface{}) (n int, err error) {
-	return fmt.Printf(format, c.convertArgs(a)...)
-}
-
-// Println is a wrapper for fmt.Println that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Println(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Println(a ...interface{}) (n int, err error) {
-	return fmt.Println(c.convertArgs(a)...)
-}
-
-// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprint(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Sprint(a ...interface{}) string {
-	return fmt.Sprint(c.convertArgs(a)...)
-}
-
-// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were
-// passed with a Formatter interface returned by c.NewFormatter.  It returns
-// the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintf(format, c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Sprintf(format string, a ...interface{}) string {
-	return fmt.Sprintf(format, c.convertArgs(a)...)
-}
-
-// Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it
-// were passed with a Formatter interface returned by c.NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintln(c.NewFormatter(a), c.NewFormatter(b))
-func (c *ConfigState) Sprintln(a ...interface{}) string {
-	return fmt.Sprintln(c.convertArgs(a)...)
-}
-
-/*
-NewFormatter returns a custom formatter that satisfies the fmt.Formatter
-interface.  As a result, it integrates cleanly with standard fmt package
-printing functions.  The formatter is useful for inline printing of smaller data
-types similar to the standard %v format specifier.
-
-The custom formatter only responds to the %v (most compact), %+v (adds pointer
-addresses), %#v (adds types), and %#+v (adds types and pointer addresses) verb
-combinations.  Any other verbs such as %x and %q will be sent to the the
-standard fmt package for formatting.  In addition, the custom formatter ignores
-the width and precision arguments (however they will still work on the format
-specifiers not handled by the custom formatter).
-
-Typically this function shouldn't be called directly.  It is much easier to make
-use of the custom formatter by calling one of the convenience functions such as
-c.Printf, c.Println, or c.Printf.
-*/
-func (c *ConfigState) NewFormatter(v interface{}) fmt.Formatter {
-	return newFormatter(c, v)
-}
-
-// Fdump formats and displays the passed arguments to io.Writer w.  It formats
-// exactly the same as Dump.
-func (c *ConfigState) Fdump(w io.Writer, a ...interface{}) {
-	fdump(c, w, a...)
-}
-
-/*
-Dump displays the passed parameters to standard out with newlines, customizable
-indentation, and additional debug information such as complete types and all
-pointer addresses used to indirect to the final value.  It provides the
-following features over the built-in printing facilities provided by the fmt
-package:
-
-	* Pointers are dereferenced and followed
-	* Circular data structures are detected and handled properly
-	* Custom Stringer/error interfaces are optionally invoked, including
-	  on unexported types
-	* Custom types which only implement the Stringer/error interfaces via
-	  a pointer receiver are optionally invoked when passing non-pointer
-	  variables
-	* Byte arrays and slices are dumped like the hexdump -C command which
-	  includes offsets, byte values in hex, and ASCII output
-
-The configuration options are controlled by modifying the public members
-of c.  See ConfigState for options documentation.
-
-See Fdump if you would prefer dumping to an arbitrary io.Writer or Sdump to
-get the formatted result as a string.
-*/
-func (c *ConfigState) Dump(a ...interface{}) {
-	fdump(c, os.Stdout, a...)
-}
-
-// Sdump returns a string with the passed arguments formatted exactly the same
-// as Dump.
-func (c *ConfigState) Sdump(a ...interface{}) string {
-	var buf bytes.Buffer
-	fdump(c, &buf, a...)
-	return buf.String()
-}
-
-// convertArgs accepts a slice of arguments and returns a slice of the same
-// length with each argument converted to a spew Formatter interface using
-// the ConfigState associated with s.
-func (c *ConfigState) convertArgs(args []interface{}) (formatters []interface{}) {
-	formatters = make([]interface{}, len(args))
-	for index, arg := range args {
-		formatters[index] = newFormatter(c, arg)
-	}
-	return formatters
-}
-
-// NewDefaultConfig returns a ConfigState with the following default settings.
-//
-// 	Indent: " "
-// 	MaxDepth: 0
-// 	DisableMethods: false
-// 	DisablePointerMethods: false
-// 	ContinueOnMethod: false
-// 	SortKeys: false
-func NewDefaultConfig() *ConfigState {
-	return &ConfigState{Indent: " "}
-}
--- a/vendor/github.com/davecgh/go-spew/spew/doc.go
+++ b/vendor/github.com/davecgh/go-spew/spew/doc.go
@@ -1,211 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-/*
-Package spew implements a deep pretty printer for Go data structures to aid in
-debugging.
-
-A quick overview of the additional features spew provides over the built-in
-printing facilities for Go data types are as follows:
-
-	* Pointers are dereferenced and followed
-	* Circular data structures are detected and handled properly
-	* Custom Stringer/error interfaces are optionally invoked, including
-	  on unexported types
-	* Custom types which only implement the Stringer/error interfaces via
-	  a pointer receiver are optionally invoked when passing non-pointer
-	  variables
-	* Byte arrays and slices are dumped like the hexdump -C command which
-	  includes offsets, byte values in hex, and ASCII output (only when using
-	  Dump style)
-
-There are two different approaches spew allows for dumping Go data structures:
-
-	* Dump style which prints with newlines, customizable indentation,
-	  and additional debug information such as types and all pointer addresses
-	  used to indirect to the final value
-	* A custom Formatter interface that integrates cleanly with the standard fmt
-	  package and replaces %v, %+v, %#v, and %#+v to provide inline printing
-	  similar to the default %v while providing the additional functionality
-	  outlined above and passing unsupported format verbs such as %x and %q
-	  along to fmt
-
-Quick Start
-
-This section demonstrates how to quickly get started with spew.  See the
-sections below for further details on formatting and configuration options.
-
-To dump a variable with full newlines, indentation, type, and pointer
-information use Dump, Fdump, or Sdump:
-	spew.Dump(myVar1, myVar2, ...)
-	spew.Fdump(someWriter, myVar1, myVar2, ...)
-	str := spew.Sdump(myVar1, myVar2, ...)
-
-Alternatively, if you would prefer to use format strings with a compacted inline
-printing style, use the convenience wrappers Printf, Fprintf, etc with
-%v (most compact), %+v (adds pointer addresses), %#v (adds types), or
-%#+v (adds types and pointer addresses):
-	spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-	spew.Fprintf(someWriter, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Fprintf(someWriter, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-
-Configuration Options
-
-Configuration of spew is handled by fields in the ConfigState type.  For
-convenience, all of the top-level functions use a global state available
-via the spew.Config global.
-
-It is also possible to create a ConfigState instance that provides methods
-equivalent to the top-level functions.  This allows concurrent configuration
-options.  See the ConfigState documentation for more details.
-
-The following configuration options are available:
-	* Indent
-		String to use for each indentation level for Dump functions.
-		It is a single space by default.  A popular alternative is "\t".
-
-	* MaxDepth
-		Maximum number of levels to descend into nested data structures.
-		There is no limit by default.
-
-	* DisableMethods
-		Disables invocation of error and Stringer interface methods.
-		Method invocation is enabled by default.
-
-	* DisablePointerMethods
-		Disables invocation of error and Stringer interface methods on types
-		which only accept pointer receivers from non-pointer variables.
-		Pointer method invocation is enabled by default.
-
-	* DisablePointerAddresses
-		DisablePointerAddresses specifies whether to disable the printing of
-		pointer addresses. This is useful when diffing data structures in tests.
-
-	* DisableCapacities
-		DisableCapacities specifies whether to disable the printing of
-		capacities for arrays, slices, maps and channels. This is useful when
-		diffing data structures in tests.
-
-	* ContinueOnMethod
-		Enables recursion into types after invoking error and Stringer interface
-		methods. Recursion after method invocation is disabled by default.
-
-	* SortKeys
-		Specifies map keys should be sorted before being printed. Use
-		this to have a more deterministic, diffable output.  Note that
-		only native types (bool, int, uint, floats, uintptr and string)
-		and types which implement error or Stringer interfaces are
-		supported with other types sorted according to the
-		reflect.Value.String() output which guarantees display
-		stability.  Natural map order is used by default.
-
-	* SpewKeys
-		Specifies that, as a last resort attempt, map keys should be
-		spewed to strings and sorted by those strings.  This is only
-		considered if SortKeys is true.
-
-Dump Usage
-
-Simply call spew.Dump with a list of variables you want to dump:
-
-	spew.Dump(myVar1, myVar2, ...)
-
-You may also call spew.Fdump if you would prefer to output to an arbitrary
-io.Writer.  For example, to dump to standard error:
-
-	spew.Fdump(os.Stderr, myVar1, myVar2, ...)
-
-A third option is to call spew.Sdump to get the formatted output as a string:
-
-	str := spew.Sdump(myVar1, myVar2, ...)
-
-Sample Dump Output
-
-See the Dump example for details on the setup of the types and variables being
-shown here.
-
-	(main.Foo) {
-	 unexportedField: (*main.Bar)(0xf84002e210)({
-	  flag: (main.Flag) flagTwo,
-	  data: (uintptr) <nil>
-	 }),
-	 ExportedField: (map[interface {}]interface {}) (len=1) {
-	  (string) (len=3) "one": (bool) true
-	 }
-	}
-
-Byte (and uint8) arrays and slices are displayed uniquely like the hexdump -C
-command as shown.
-	([]uint8) (len=32 cap=32) {
-	 00000000  11 12 13 14 15 16 17 18  19 1a 1b 1c 1d 1e 1f 20  |............... |
-	 00000010  21 22 23 24 25 26 27 28  29 2a 2b 2c 2d 2e 2f 30  |!"#$%&'()*+,-./0|
-	 00000020  31 32                                             |12|
-	}
-
-Custom Formatter
-
-Spew provides a custom formatter that implements the fmt.Formatter interface
-so that it integrates cleanly with standard fmt package printing functions. The
-formatter is useful for inline printing of smaller data types similar to the
-standard %v format specifier.
-
-The custom formatter only responds to the %v (most compact), %+v (adds pointer
-addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb
-combinations.  Any other verbs such as %x and %q will be sent to the the
-standard fmt package for formatting.  In addition, the custom formatter ignores
-the width and precision arguments (however they will still work on the format
-specifiers not handled by the custom formatter).
-
-Custom Formatter Usage
-
-The simplest way to make use of the spew custom formatter is to call one of the
-convenience functions such as spew.Printf, spew.Println, or spew.Printf.  The
-functions have syntax you are most likely already familiar with:
-
-	spew.Printf("myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Printf("myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-	spew.Println(myVar, myVar2)
-	spew.Fprintf(os.Stderr, "myVar1: %v -- myVar2: %+v", myVar1, myVar2)
-	spew.Fprintf(os.Stderr, "myVar3: %#v -- myVar4: %#+v", myVar3, myVar4)
-
-See the Index for the full list convenience functions.
-
-Sample Formatter Output
-
-Double pointer to a uint8:
-	  %v: <**>5
-	 %+v: <**>(0xf8400420d0->0xf8400420c8)5
-	 %#v: (**uint8)5
-	%#+v: (**uint8)(0xf8400420d0->0xf8400420c8)5
-
-Pointer to circular struct with a uint8 field and a pointer to itself:
-	  %v: <*>{1 <*><shown>}
-	 %+v: <*>(0xf84003e260){ui8:1 c:<*>(0xf84003e260)<shown>}
-	 %#v: (*main.circular){ui8:(uint8)1 c:(*main.circular)<shown>}
-	%#+v: (*main.circular)(0xf84003e260){ui8:(uint8)1 c:(*main.circular)(0xf84003e260)<shown>}
-
-See the Printf example for details on the setup of variables being shown
-here.
-
-Errors
-
-Since it is possible for custom Stringer/error interfaces to panic, spew
-detects them and handles them internally by printing the panic information
-inline with the output.  Since spew is intended to provide deep pretty printing
-capabilities on structures, it intentionally does not return any errors.
-*/
-package spew
--- a/vendor/github.com/davecgh/go-spew/spew/dump.go
+++ b/vendor/github.com/davecgh/go-spew/spew/dump.go
@@ -1,509 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"encoding/hex"
-	"fmt"
-	"io"
-	"os"
-	"reflect"
-	"regexp"
-	"strconv"
-	"strings"
-)
-
-var (
-	// uint8Type is a reflect.Type representing a uint8.  It is used to
-	// convert cgo types to uint8 slices for hexdumping.
-	uint8Type = reflect.TypeOf(uint8(0))
-
-	// cCharRE is a regular expression that matches a cgo char.
-	// It is used to detect character arrays to hexdump them.
-	cCharRE = regexp.MustCompile("^.*\\._Ctype_char$")
-
-	// cUnsignedCharRE is a regular expression that matches a cgo unsigned
-	// char.  It is used to detect unsigned character arrays to hexdump
-	// them.
-	cUnsignedCharRE = regexp.MustCompile("^.*\\._Ctype_unsignedchar$")
-
-	// cUint8tCharRE is a regular expression that matches a cgo uint8_t.
-	// It is used to detect uint8_t arrays to hexdump them.
-	cUint8tCharRE = regexp.MustCompile("^.*\\._Ctype_uint8_t$")
-)
-
-// dumpState contains information about the state of a dump operation.
-type dumpState struct {
-	w                io.Writer
-	depth            int
-	pointers         map[uintptr]int
-	ignoreNextType   bool
-	ignoreNextIndent bool
-	cs               *ConfigState
-}
-
-// indent performs indentation according to the depth level and cs.Indent
-// option.
-func (d *dumpState) indent() {
-	if d.ignoreNextIndent {
-		d.ignoreNextIndent = false
-		return
-	}
-	d.w.Write(bytes.Repeat([]byte(d.cs.Indent), d.depth))
-}
-
-// unpackValue returns values inside of non-nil interfaces when possible.
-// This is useful for data types like structs, arrays, slices, and maps which
-// can contain varying types packed inside an interface.
-func (d *dumpState) unpackValue(v reflect.Value) reflect.Value {
-	if v.Kind() == reflect.Interface && !v.IsNil() {
-		v = v.Elem()
-	}
-	return v
-}
-
-// dumpPtr handles formatting of pointers by indirecting them as necessary.
-func (d *dumpState) dumpPtr(v reflect.Value) {
-	// Remove pointers at or below the current depth from map used to detect
-	// circular refs.
-	for k, depth := range d.pointers {
-		if depth >= d.depth {
-			delete(d.pointers, k)
-		}
-	}
-
-	// Keep list of all dereferenced pointers to show later.
-	pointerChain := make([]uintptr, 0)
-
-	// Figure out how many levels of indirection there are by dereferencing
-	// pointers and unpacking interfaces down the chain while detecting circular
-	// references.
-	nilFound := false
-	cycleFound := false
-	indirects := 0
-	ve := v
-	for ve.Kind() == reflect.Ptr {
-		if ve.IsNil() {
-			nilFound = true
-			break
-		}
-		indirects++
-		addr := ve.Pointer()
-		pointerChain = append(pointerChain, addr)
-		if pd, ok := d.pointers[addr]; ok && pd < d.depth {
-			cycleFound = true
-			indirects--
-			break
-		}
-		d.pointers[addr] = d.depth
-
-		ve = ve.Elem()
-		if ve.Kind() == reflect.Interface {
-			if ve.IsNil() {
-				nilFound = true
-				break
-			}
-			ve = ve.Elem()
-		}
-	}
-
-	// Display type information.
-	d.w.Write(openParenBytes)
-	d.w.Write(bytes.Repeat(asteriskBytes, indirects))
-	d.w.Write([]byte(ve.Type().String()))
-	d.w.Write(closeParenBytes)
-
-	// Display pointer information.
-	if !d.cs.DisablePointerAddresses && len(pointerChain) > 0 {
-		d.w.Write(openParenBytes)
-		for i, addr := range pointerChain {
-			if i > 0 {
-				d.w.Write(pointerChainBytes)
-			}
-			printHexPtr(d.w, addr)
-		}
-		d.w.Write(closeParenBytes)
-	}
-
-	// Display dereferenced value.
-	d.w.Write(openParenBytes)
-	switch {
-	case nilFound == true:
-		d.w.Write(nilAngleBytes)
-
-	case cycleFound == true:
-		d.w.Write(circularBytes)
-
-	default:
-		d.ignoreNextType = true
-		d.dump(ve)
-	}
-	d.w.Write(closeParenBytes)
-}
-
-// dumpSlice handles formatting of arrays and slices.  Byte (uint8 under
-// reflection) arrays and slices are dumped in hexdump -C fashion.
-func (d *dumpState) dumpSlice(v reflect.Value) {
-	// Determine whether this type should be hex dumped or not.  Also,
-	// for types which should be hexdumped, try to use the underlying data
-	// first, then fall back to trying to convert them to a uint8 slice.
-	var buf []uint8
-	doConvert := false
-	doHexDump := false
-	numEntries := v.Len()
-	if numEntries > 0 {
-		vt := v.Index(0).Type()
-		vts := vt.String()
-		switch {
-		// C types that need to be converted.
-		case cCharRE.MatchString(vts):
-			fallthrough
-		case cUnsignedCharRE.MatchString(vts):
-			fallthrough
-		case cUint8tCharRE.MatchString(vts):
-			doConvert = true
-
-		// Try to use existing uint8 slices and fall back to converting
-		// and copying if that fails.
-		case vt.Kind() == reflect.Uint8:
-			// We need an addressable interface to convert the type
-			// to a byte slice.  However, the reflect package won't
-			// give us an interface on certain things like
-			// unexported struct fields in order to enforce
-			// visibility rules.  We use unsafe, when available, to
-			// bypass these restrictions since this package does not
-			// mutate the values.
-			vs := v
-			if !vs.CanInterface() || !vs.CanAddr() {
-				vs = unsafeReflectValue(vs)
-			}
-			if !UnsafeDisabled {
-				vs = vs.Slice(0, numEntries)
-
-				// Use the existing uint8 slice if it can be
-				// type asserted.
-				iface := vs.Interface()
-				if slice, ok := iface.([]uint8); ok {
-					buf = slice
-					doHexDump = true
-					break
-				}
-			}
-
-			// The underlying data needs to be converted if it can't
-			// be type asserted to a uint8 slice.
-			doConvert = true
-		}
-
-		// Copy and convert the underlying type if needed.
-		if doConvert && vt.ConvertibleTo(uint8Type) {
-			// Convert and copy each element into a uint8 byte
-			// slice.
-			buf = make([]uint8, numEntries)
-			for i := 0; i < numEntries; i++ {
-				vv := v.Index(i)
-				buf[i] = uint8(vv.Convert(uint8Type).Uint())
-			}
-			doHexDump = true
-		}
-	}
-
-	// Hexdump the entire slice as needed.
-	if doHexDump {
-		indent := strings.Repeat(d.cs.Indent, d.depth)
-		str := indent + hex.Dump(buf)
-		str = strings.Replace(str, "\n", "\n"+indent, -1)
-		str = strings.TrimRight(str, d.cs.Indent)
-		d.w.Write([]byte(str))
-		return
-	}
-
-	// Recursively call dump for each item.
-	for i := 0; i < numEntries; i++ {
-		d.dump(d.unpackValue(v.Index(i)))
-		if i < (numEntries - 1) {
-			d.w.Write(commaNewlineBytes)
-		} else {
-			d.w.Write(newlineBytes)
-		}
-	}
-}
-
-// dump is the main workhorse for dumping a value.  It uses the passed reflect
-// value to figure out what kind of object we are dealing with and formats it
-// appropriately.  It is a recursive function, however circular data structures
-// are detected and handled properly.
-func (d *dumpState) dump(v reflect.Value) {
-	// Handle invalid reflect values immediately.
-	kind := v.Kind()
-	if kind == reflect.Invalid {
-		d.w.Write(invalidAngleBytes)
-		return
-	}
-
-	// Handle pointers specially.
-	if kind == reflect.Ptr {
-		d.indent()
-		d.dumpPtr(v)
-		return
-	}
-
-	// Print type information unless already handled elsewhere.
-	if !d.ignoreNextType {
-		d.indent()
-		d.w.Write(openParenBytes)
-		d.w.Write([]byte(v.Type().String()))
-		d.w.Write(closeParenBytes)
-		d.w.Write(spaceBytes)
-	}
-	d.ignoreNextType = false
-
-	// Display length and capacity if the built-in len and cap functions
-	// work with the value's kind and the len/cap itself is non-zero.
-	valueLen, valueCap := 0, 0
-	switch v.Kind() {
-	case reflect.Array, reflect.Slice, reflect.Chan:
-		valueLen, valueCap = v.Len(), v.Cap()
-	case reflect.Map, reflect.String:
-		valueLen = v.Len()
-	}
-	if valueLen != 0 || !d.cs.DisableCapacities && valueCap != 0 {
-		d.w.Write(openParenBytes)
-		if valueLen != 0 {
-			d.w.Write(lenEqualsBytes)
-			printInt(d.w, int64(valueLen), 10)
-		}
-		if !d.cs.DisableCapacities && valueCap != 0 {
-			if valueLen != 0 {
-				d.w.Write(spaceBytes)
-			}
-			d.w.Write(capEqualsBytes)
-			printInt(d.w, int64(valueCap), 10)
-		}
-		d.w.Write(closeParenBytes)
-		d.w.Write(spaceBytes)
-	}
-
-	// Call Stringer/error interfaces if they exist and the handle methods flag
-	// is enabled
-	if !d.cs.DisableMethods {
-		if (kind != reflect.Invalid) && (kind != reflect.Interface) {
-			if handled := handleMethods(d.cs, d.w, v); handled {
-				return
-			}
-		}
-	}
-
-	switch kind {
-	case reflect.Invalid:
-		// Do nothing.  We should never get here since invalid has already
-		// been handled above.
-
-	case reflect.Bool:
-		printBool(d.w, v.Bool())
-
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		printInt(d.w, v.Int(), 10)
-
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		printUint(d.w, v.Uint(), 10)
-
-	case reflect.Float32:
-		printFloat(d.w, v.Float(), 32)
-
-	case reflect.Float64:
-		printFloat(d.w, v.Float(), 64)
-
-	case reflect.Complex64:
-		printComplex(d.w, v.Complex(), 32)
-
-	case reflect.Complex128:
-		printComplex(d.w, v.Complex(), 64)
-
-	case reflect.Slice:
-		if v.IsNil() {
-			d.w.Write(nilAngleBytes)
-			break
-		}
-		fallthrough
-
-	case reflect.Array:
-		d.w.Write(openBraceNewlineBytes)
-		d.depth++
-		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.indent()
-			d.w.Write(maxNewlineBytes)
-		} else {
-			d.dumpSlice(v)
-		}
-		d.depth--
-		d.indent()
-		d.w.Write(closeBraceBytes)
-
-	case reflect.String:
-		d.w.Write([]byte(strconv.Quote(v.String())))
-
-	case reflect.Interface:
-		// The only time we should get here is for nil interfaces due to
-		// unpackValue calls.
-		if v.IsNil() {
-			d.w.Write(nilAngleBytes)
-		}
-
-	case reflect.Ptr:
-		// Do nothing.  We should never get here since pointers have already
-		// been handled above.
-
-	case reflect.Map:
-		// nil maps should be indicated as different than empty maps
-		if v.IsNil() {
-			d.w.Write(nilAngleBytes)
-			break
-		}
-
-		d.w.Write(openBraceNewlineBytes)
-		d.depth++
-		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.indent()
-			d.w.Write(maxNewlineBytes)
-		} else {
-			numEntries := v.Len()
-			keys := v.MapKeys()
-			if d.cs.SortKeys {
-				sortValues(keys, d.cs)
-			}
-			for i, key := range keys {
-				d.dump(d.unpackValue(key))
-				d.w.Write(colonSpaceBytes)
-				d.ignoreNextIndent = true
-				d.dump(d.unpackValue(v.MapIndex(key)))
-				if i < (numEntries - 1) {
-					d.w.Write(commaNewlineBytes)
-				} else {
-					d.w.Write(newlineBytes)
-				}
-			}
-		}
-		d.depth--
-		d.indent()
-		d.w.Write(closeBraceBytes)
-
-	case reflect.Struct:
-		d.w.Write(openBraceNewlineBytes)
-		d.depth++
-		if (d.cs.MaxDepth != 0) && (d.depth > d.cs.MaxDepth) {
-			d.indent()
-			d.w.Write(maxNewlineBytes)
-		} else {
-			vt := v.Type()
-			numFields := v.NumField()
-			for i := 0; i < numFields; i++ {
-				d.indent()
-				vtf := vt.Field(i)
-				d.w.Write([]byte(vtf.Name))
-				d.w.Write(colonSpaceBytes)
-				d.ignoreNextIndent = true
-				d.dump(d.unpackValue(v.Field(i)))
-				if i < (numFields - 1) {
-					d.w.Write(commaNewlineBytes)
-				} else {
-					d.w.Write(newlineBytes)
-				}
-			}
-		}
-		d.depth--
-		d.indent()
-		d.w.Write(closeBraceBytes)
-
-	case reflect.Uintptr:
-		printHexPtr(d.w, uintptr(v.Uint()))
-
-	case reflect.UnsafePointer, reflect.Chan, reflect.Func:
-		printHexPtr(d.w, v.Pointer())
-
-	// There were not any other types at the time this code was written, but
-	// fall back to letting the default fmt package handle it in case any new
-	// types are added.
-	default:
-		if v.CanInterface() {
-			fmt.Fprintf(d.w, "%v", v.Interface())
-		} else {
-			fmt.Fprintf(d.w, "%v", v.String())
-		}
-	}
-}
-
-// fdump is a helper function to consolidate the logic from the various public
-// methods which take varying writers and config states.
-func fdump(cs *ConfigState, w io.Writer, a ...interface{}) {
-	for _, arg := range a {
-		if arg == nil {
-			w.Write(interfaceBytes)
-			w.Write(spaceBytes)
-			w.Write(nilAngleBytes)
-			w.Write(newlineBytes)
-			continue
-		}
-
-		d := dumpState{w: w, cs: cs}
-		d.pointers = make(map[uintptr]int)
-		d.dump(reflect.ValueOf(arg))
-		d.w.Write(newlineBytes)
-	}
-}
-
-// Fdump formats and displays the passed arguments to io.Writer w.  It formats
-// exactly the same as Dump.
-func Fdump(w io.Writer, a ...interface{}) {
-	fdump(&Config, w, a...)
-}
-
-// Sdump returns a string with the passed arguments formatted exactly the same
-// as Dump.
-func Sdump(a ...interface{}) string {
-	var buf bytes.Buffer
-	fdump(&Config, &buf, a...)
-	return buf.String()
-}
-
-/*
-Dump displays the passed parameters to standard out with newlines, customizable
-indentation, and additional debug information such as complete types and all
-pointer addresses used to indirect to the final value.  It provides the
-following features over the built-in printing facilities provided by the fmt
-package:
-
-	* Pointers are dereferenced and followed
-	* Circular data structures are detected and handled properly
-	* Custom Stringer/error interfaces are optionally invoked, including
-	  on unexported types
-	* Custom types which only implement the Stringer/error interfaces via
-	  a pointer receiver are optionally invoked when passing non-pointer
-	  variables
-	* Byte arrays and slices are dumped like the hexdump -C command which
-	  includes offsets, byte values in hex, and ASCII output
-
-The configuration options are controlled by an exported package global,
-spew.Config.  See ConfigState for options documentation.
-
-See Fdump if you would prefer dumping to an arbitrary io.Writer or Sdump to
-get the formatted result as a string.
-*/
-func Dump(a ...interface{}) {
-	fdump(&Config, os.Stdout, a...)
-}
--- a/vendor/github.com/davecgh/go-spew/spew/format.go
+++ b/vendor/github.com/davecgh/go-spew/spew/format.go
@@ -1,419 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"bytes"
-	"fmt"
-	"reflect"
-	"strconv"
-	"strings"
-)
-
-// supportedFlags is a list of all the character flags supported by fmt package.
-const supportedFlags = "0-+# "
-
-// formatState implements the fmt.Formatter interface and contains information
-// about the state of a formatting operation.  The NewFormatter function can
-// be used to get a new Formatter which can be used directly as arguments
-// in standard fmt package printing calls.
-type formatState struct {
-	value          interface{}
-	fs             fmt.State
-	depth          int
-	pointers       map[uintptr]int
-	ignoreNextType bool
-	cs             *ConfigState
-}
-
-// buildDefaultFormat recreates the original format string without precision
-// and width information to pass in to fmt.Sprintf in the case of an
-// unrecognized type.  Unless new types are added to the language, this
-// function won't ever be called.
-func (f *formatState) buildDefaultFormat() (format string) {
-	buf := bytes.NewBuffer(percentBytes)
-
-	for _, flag := range supportedFlags {
-		if f.fs.Flag(int(flag)) {
-			buf.WriteRune(flag)
-		}
-	}
-
-	buf.WriteRune('v')
-
-	format = buf.String()
-	return format
-}
-
-// constructOrigFormat recreates the original format string including precision
-// and width information to pass along to the standard fmt package.  This allows
-// automatic deferral of all format strings this package doesn't support.
-func (f *formatState) constructOrigFormat(verb rune) (format string) {
-	buf := bytes.NewBuffer(percentBytes)
-
-	for _, flag := range supportedFlags {
-		if f.fs.Flag(int(flag)) {
-			buf.WriteRune(flag)
-		}
-	}
-
-	if width, ok := f.fs.Width(); ok {
-		buf.WriteString(strconv.Itoa(width))
-	}
-
-	if precision, ok := f.fs.Precision(); ok {
-		buf.Write(precisionBytes)
-		buf.WriteString(strconv.Itoa(precision))
-	}
-
-	buf.WriteRune(verb)
-
-	format = buf.String()
-	return format
-}
-
-// unpackValue returns values inside of non-nil interfaces when possible and
-// ensures that types for values which have been unpacked from an interface
-// are displayed when the show types flag is also set.
-// This is useful for data types like structs, arrays, slices, and maps which
-// can contain varying types packed inside an interface.
-func (f *formatState) unpackValue(v reflect.Value) reflect.Value {
-	if v.Kind() == reflect.Interface {
-		f.ignoreNextType = false
-		if !v.IsNil() {
-			v = v.Elem()
-		}
-	}
-	return v
-}
-
-// formatPtr handles formatting of pointers by indirecting them as necessary.
-func (f *formatState) formatPtr(v reflect.Value) {
-	// Display nil if top level pointer is nil.
-	showTypes := f.fs.Flag('#')
-	if v.IsNil() && (!showTypes || f.ignoreNextType) {
-		f.fs.Write(nilAngleBytes)
-		return
-	}
-
-	// Remove pointers at or below the current depth from map used to detect
-	// circular refs.
-	for k, depth := range f.pointers {
-		if depth >= f.depth {
-			delete(f.pointers, k)
-		}
-	}
-
-	// Keep list of all dereferenced pointers to possibly show later.
-	pointerChain := make([]uintptr, 0)
-
-	// Figure out how many levels of indirection there are by derferencing
-	// pointers and unpacking interfaces down the chain while detecting circular
-	// references.
-	nilFound := false
-	cycleFound := false
-	indirects := 0
-	ve := v
-	for ve.Kind() == reflect.Ptr {
-		if ve.IsNil() {
-			nilFound = true
-			break
-		}
-		indirects++
-		addr := ve.Pointer()
-		pointerChain = append(pointerChain, addr)
-		if pd, ok := f.pointers[addr]; ok && pd < f.depth {
-			cycleFound = true
-			indirects--
-			break
-		}
-		f.pointers[addr] = f.depth
-
-		ve = ve.Elem()
-		if ve.Kind() == reflect.Interface {
-			if ve.IsNil() {
-				nilFound = true
-				break
-			}
-			ve = ve.Elem()
-		}
-	}
-
-	// Display type or indirection level depending on flags.
-	if showTypes && !f.ignoreNextType {
-		f.fs.Write(openParenBytes)
-		f.fs.Write(bytes.Repeat(asteriskBytes, indirects))
-		f.fs.Write([]byte(ve.Type().String()))
-		f.fs.Write(closeParenBytes)
-	} else {
-		if nilFound || cycleFound {
-			indirects += strings.Count(ve.Type().String(), "*")
-		}
-		f.fs.Write(openAngleBytes)
-		f.fs.Write([]byte(strings.Repeat("*", indirects)))
-		f.fs.Write(closeAngleBytes)
-	}
-
-	// Display pointer information depending on flags.
-	if f.fs.Flag('+') && (len(pointerChain) > 0) {
-		f.fs.Write(openParenBytes)
-		for i, addr := range pointerChain {
-			if i > 0 {
-				f.fs.Write(pointerChainBytes)
-			}
-			printHexPtr(f.fs, addr)
-		}
-		f.fs.Write(closeParenBytes)
-	}
-
-	// Display dereferenced value.
-	switch {
-	case nilFound == true:
-		f.fs.Write(nilAngleBytes)
-
-	case cycleFound == true:
-		f.fs.Write(circularShortBytes)
-
-	default:
-		f.ignoreNextType = true
-		f.format(ve)
-	}
-}
-
-// format is the main workhorse for providing the Formatter interface.  It
-// uses the passed reflect value to figure out what kind of object we are
-// dealing with and formats it appropriately.  It is a recursive function,
-// however circular data structures are detected and handled properly.
-func (f *formatState) format(v reflect.Value) {
-	// Handle invalid reflect values immediately.
-	kind := v.Kind()
-	if kind == reflect.Invalid {
-		f.fs.Write(invalidAngleBytes)
-		return
-	}
-
-	// Handle pointers specially.
-	if kind == reflect.Ptr {
-		f.formatPtr(v)
-		return
-	}
-
-	// Print type information unless already handled elsewhere.
-	if !f.ignoreNextType && f.fs.Flag('#') {
-		f.fs.Write(openParenBytes)
-		f.fs.Write([]byte(v.Type().String()))
-		f.fs.Write(closeParenBytes)
-	}
-	f.ignoreNextType = false
-
-	// Call Stringer/error interfaces if they exist and the handle methods
-	// flag is enabled.
-	if !f.cs.DisableMethods {
-		if (kind != reflect.Invalid) && (kind != reflect.Interface) {
-			if handled := handleMethods(f.cs, f.fs, v); handled {
-				return
-			}
-		}
-	}
-
-	switch kind {
-	case reflect.Invalid:
-		// Do nothing.  We should never get here since invalid has already
-		// been handled above.
-
-	case reflect.Bool:
-		printBool(f.fs, v.Bool())
-
-	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
-		printInt(f.fs, v.Int(), 10)
-
-	case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uint:
-		printUint(f.fs, v.Uint(), 10)
-
-	case reflect.Float32:
-		printFloat(f.fs, v.Float(), 32)
-
-	case reflect.Float64:
-		printFloat(f.fs, v.Float(), 64)
-
-	case reflect.Complex64:
-		printComplex(f.fs, v.Complex(), 32)
-
-	case reflect.Complex128:
-		printComplex(f.fs, v.Complex(), 64)
-
-	case reflect.Slice:
-		if v.IsNil() {
-			f.fs.Write(nilAngleBytes)
-			break
-		}
-		fallthrough
-
-	case reflect.Array:
-		f.fs.Write(openBracketBytes)
-		f.depth++
-		if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
-			f.fs.Write(maxShortBytes)
-		} else {
-			numEntries := v.Len()
-			for i := 0; i < numEntries; i++ {
-				if i > 0 {
-					f.fs.Write(spaceBytes)
-				}
-				f.ignoreNextType = true
-				f.format(f.unpackValue(v.Index(i)))
-			}
-		}
-		f.depth--
-		f.fs.Write(closeBracketBytes)
-
-	case reflect.String:
-		f.fs.Write([]byte(v.String()))
-
-	case reflect.Interface:
-		// The only time we should get here is for nil interfaces due to
-		// unpackValue calls.
-		if v.IsNil() {
-			f.fs.Write(nilAngleBytes)
-		}
-
-	case reflect.Ptr:
-		// Do nothing.  We should never get here since pointers have already
-		// been handled above.
-
-	case reflect.Map:
-		// nil maps should be indicated as different than empty maps
-		if v.IsNil() {
-			f.fs.Write(nilAngleBytes)
-			break
-		}
-
-		f.fs.Write(openMapBytes)
-		f.depth++
-		if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
-			f.fs.Write(maxShortBytes)
-		} else {
-			keys := v.MapKeys()
-			if f.cs.SortKeys {
-				sortValues(keys, f.cs)
-			}
-			for i, key := range keys {
-				if i > 0 {
-					f.fs.Write(spaceBytes)
-				}
-				f.ignoreNextType = true
-				f.format(f.unpackValue(key))
-				f.fs.Write(colonBytes)
-				f.ignoreNextType = true
-				f.format(f.unpackValue(v.MapIndex(key)))
-			}
-		}
-		f.depth--
-		f.fs.Write(closeMapBytes)
-
-	case reflect.Struct:
-		numFields := v.NumField()
-		f.fs.Write(openBraceBytes)
-		f.depth++
-		if (f.cs.MaxDepth != 0) && (f.depth > f.cs.MaxDepth) {
-			f.fs.Write(maxShortBytes)
-		} else {
-			vt := v.Type()
-			for i := 0; i < numFields; i++ {
-				if i > 0 {
-					f.fs.Write(spaceBytes)
-				}
-				vtf := vt.Field(i)
-				if f.fs.Flag('+') || f.fs.Flag('#') {
-					f.fs.Write([]byte(vtf.Name))
-					f.fs.Write(colonBytes)
-				}
-				f.format(f.unpackValue(v.Field(i)))
-			}
-		}
-		f.depth--
-		f.fs.Write(closeBraceBytes)
-
-	case reflect.Uintptr:
-		printHexPtr(f.fs, uintptr(v.Uint()))
-
-	case reflect.UnsafePointer, reflect.Chan, reflect.Func:
-		printHexPtr(f.fs, v.Pointer())
-
-	// There were not any other types at the time this code was written, but
-	// fall back to letting the default fmt package handle it if any get added.
-	default:
-		format := f.buildDefaultFormat()
-		if v.CanInterface() {
-			fmt.Fprintf(f.fs, format, v.Interface())
-		} else {
-			fmt.Fprintf(f.fs, format, v.String())
-		}
-	}
-}
-
-// Format satisfies the fmt.Formatter interface. See NewFormatter for usage
-// details.
-func (f *formatState) Format(fs fmt.State, verb rune) {
-	f.fs = fs
-
-	// Use standard formatting for verbs that are not v.
-	if verb != 'v' {
-		format := f.constructOrigFormat(verb)
-		fmt.Fprintf(fs, format, f.value)
-		return
-	}
-
-	if f.value == nil {
-		if fs.Flag('#') {
-			fs.Write(interfaceBytes)
-		}
-		fs.Write(nilAngleBytes)
-		return
-	}
-
-	f.format(reflect.ValueOf(f.value))
-}
-
-// newFormatter is a helper function to consolidate the logic from the various
-// public methods which take varying config states.
-func newFormatter(cs *ConfigState, v interface{}) fmt.Formatter {
-	fs := &formatState{value: v, cs: cs}
-	fs.pointers = make(map[uintptr]int)
-	return fs
-}
-
-/*
-NewFormatter returns a custom formatter that satisfies the fmt.Formatter
-interface.  As a result, it integrates cleanly with standard fmt package
-printing functions.  The formatter is useful for inline printing of smaller data
-types similar to the standard %v format specifier.
-
-The custom formatter only responds to the %v (most compact), %+v (adds pointer
-addresses), %#v (adds types), or %#+v (adds types and pointer addresses) verb
-combinations.  Any other verbs such as %x and %q will be sent to the the
-standard fmt package for formatting.  In addition, the custom formatter ignores
-the width and precision arguments (however they will still work on the format
-specifiers not handled by the custom formatter).
-
-Typically this function shouldn't be called directly.  It is much easier to make
-use of the custom formatter by calling one of the convenience functions such as
-Printf, Println, or Fprintf.
-*/
-func NewFormatter(v interface{}) fmt.Formatter {
-	return newFormatter(&Config, v)
-}
--- a/vendor/github.com/davecgh/go-spew/spew/spew.go
+++ b/vendor/github.com/davecgh/go-spew/spew/spew.go
@@ -1,148 +0,0 @@
-/*
- * Copyright (c) 2013-2016 Dave Collins <dave@davec.name>
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-package spew
-
-import (
-	"fmt"
-	"io"
-)
-
-// Errorf is a wrapper for fmt.Errorf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the formatted string as a value that satisfies error.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Errorf(format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Errorf(format string, a ...interface{}) (err error) {
-	return fmt.Errorf(format, convertArgs(a)...)
-}
-
-// Fprint is a wrapper for fmt.Fprint that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprint(w, spew.NewFormatter(a), spew.NewFormatter(b))
-func Fprint(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprint(w, convertArgs(a)...)
-}
-
-// Fprintf is a wrapper for fmt.Fprintf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintf(w, format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Fprintf(w io.Writer, format string, a ...interface{}) (n int, err error) {
-	return fmt.Fprintf(w, format, convertArgs(a)...)
-}
-
-// Fprintln is a wrapper for fmt.Fprintln that treats each argument as if it
-// passed with a default Formatter interface returned by NewFormatter.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Fprintln(w, spew.NewFormatter(a), spew.NewFormatter(b))
-func Fprintln(w io.Writer, a ...interface{}) (n int, err error) {
-	return fmt.Fprintln(w, convertArgs(a)...)
-}
-
-// Print is a wrapper for fmt.Print that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Print(spew.NewFormatter(a), spew.NewFormatter(b))
-func Print(a ...interface{}) (n int, err error) {
-	return fmt.Print(convertArgs(a)...)
-}
-
-// Printf is a wrapper for fmt.Printf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Printf(format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Printf(format string, a ...interface{}) (n int, err error) {
-	return fmt.Printf(format, convertArgs(a)...)
-}
-
-// Println is a wrapper for fmt.Println that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the number of bytes written and any write error encountered.  See
-// NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Println(spew.NewFormatter(a), spew.NewFormatter(b))
-func Println(a ...interface{}) (n int, err error) {
-	return fmt.Println(convertArgs(a)...)
-}
-
-// Sprint is a wrapper for fmt.Sprint that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprint(spew.NewFormatter(a), spew.NewFormatter(b))
-func Sprint(a ...interface{}) string {
-	return fmt.Sprint(convertArgs(a)...)
-}
-
-// Sprintf is a wrapper for fmt.Sprintf that treats each argument as if it were
-// passed with a default Formatter interface returned by NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintf(format, spew.NewFormatter(a), spew.NewFormatter(b))
-func Sprintf(format string, a ...interface{}) string {
-	return fmt.Sprintf(format, convertArgs(a)...)
-}
-
-// Sprintln is a wrapper for fmt.Sprintln that treats each argument as if it
-// were passed with a default Formatter interface returned by NewFormatter.  It
-// returns the resulting string.  See NewFormatter for formatting details.
-//
-// This function is shorthand for the following syntax:
-//
-//	fmt.Sprintln(spew.NewFormatter(a), spew.NewFormatter(b))
-func Sprintln(a ...interface{}) string {
-	return fmt.Sprintln(convertArgs(a)...)
-}
-
-// convertArgs accepts a slice of arguments and returns a slice of the same
-// length with each argument converted to a default spew Formatter interface.
-func convertArgs(args []interface{}) (formatters []interface{}) {
-	formatters = make([]interface{}, len(args))
-	for index, arg := range args {
-		formatters[index] = NewFormatter(arg)
-	}
-	return formatters
-}
--- a/vendor/github.com/emicklei/go-restful/.gitignore
+++ b/vendor/github.com/emicklei/go-restful/.gitignore
@@ -1,70 +0,0 @@
-# Compiled Object files, Static and Dynamic libs (Shared Objects)
-*.o
-*.a
-*.so
-
-# Folders
-_obj
-_test
-
-# Architecture specific extensions/prefixes
-*.[568vq]
-[568vq].out
-
-*.cgo1.go
-*.cgo2.c
-_cgo_defun.c
-_cgo_gotypes.go
-_cgo_export.*
-
-_testmain.go
-
-*.exe
-
-restful.html
-
-*.out
-
-tmp.prof
-
-go-restful.test
-
-examples/restful-basic-authentication
-
-examples/restful-encoding-filter
-
-examples/restful-filters
-
-examples/restful-hello-world
-
-examples/restful-resource-functions
-
-examples/restful-serve-static
-
-examples/restful-user-service
-
-*.DS_Store
-examples/restful-user-resource
-
-examples/restful-multi-containers
-
-examples/restful-form-handling
-
-examples/restful-CORS-filter
-
-examples/restful-options-filter
-
-examples/restful-curly-router
-
-examples/restful-cpuprofiler-service
-
-examples/restful-pre-post-filters
-
-curly.prof
-
-examples/restful-NCSA-logging
-
-examples/restful-html-template
-
-s.html
-restful-path-tail
--- a/vendor/github.com/emicklei/go-restful/.travis.yml
+++ b/vendor/github.com/emicklei/go-restful/.travis.yml
@@ -1,6 +0,0 @@
-language: go
-
-go:
-  - 1.x
-
-script: go test -v
--- a/vendor/github.com/emicklei/go-restful/CHANGES.md
+++ b/vendor/github.com/emicklei/go-restful/CHANGES.md
@@ -1,223 +0,0 @@
-Change history of go-restful
-=
-2017-02-16
- solved issue #304, make operation names unique
-
-2017-01-30
- 
-	[IMPORTANT] For swagger users, change your import statement to:	
-	swagger "github.com/emicklei/go-restful-swagger12"
-
- moved swagger 1.2 code to go-restful-swagger12
- created TAG 2.0.0
-
-2017-01-27
-
- remove defer request body close
- expose Dispatch for testing filters and Routefunctions
- swagger response model cannot be array 
- created TAG 1.0.0
-
-2016-12-22
-
- (API change) Remove code related to caching request content. Removes SetCacheReadEntity(doCache bool)
-
-2016-11-26
-
- Default change! now use CurlyRouter (was RouterJSR311)
- Default change! no more caching of request content
- Default change! do not recover from panics
-
-2016-09-22
-
- fix the DefaultRequestContentType feature
-
-2016-02-14
-
- take the qualify factor of the Accept header mediatype into account when deciding the contentype of the response
- add constructors for custom entity accessors for xml and json 
-
-2015-09-27
-
- rename new WriteStatusAnd... to WriteHeaderAnd... for consistency
-
-2015-09-25
-
- fixed problem with changing Header after WriteHeader (issue 235)
-
-2015-09-14
-
- changed behavior of WriteHeader (immediate write) and WriteEntity (no status write)
- added support for custom EntityReaderWriters.
-
-2015-08-06
-
- add support for reading entities from compressed request content
- use sync.Pool for compressors of http response and request body
- add Description to Parameter for documentation in Swagger UI
-
-2015-03-20
-
- add configurable logging
-
-2015-03-18
-
- if not specified, the Operation is derived from the Route function
-
-2015-03-17
-
- expose Parameter creation functions
- make trace logger an interface
- fix OPTIONSFilter
- customize rendering of ServiceError
- JSR311 router now handles wildcards
- add Notes to Route
-
-2014-11-27
-
- (api add) PrettyPrint per response. (as proposed in #167)
-
-2014-11-12
-
- (api add) ApiVersion(.) for documentation in Swagger UI
-
-2014-11-10
-
- (api change) struct fields tagged with "description" show up in Swagger UI
-
-2014-10-31
-
- (api change) ReturnsError -> Returns
- (api add)    RouteBuilder.Do(aBuilder) for DRY use of RouteBuilder
- fix swagger nested structs
- sort Swagger response messages by code
-
-2014-10-23
-
- (api add) ReturnsError allows you to document Http codes in swagger
- fixed problem with greedy CurlyRouter
- (api add) Access-Control-Max-Age in CORS
- add tracing functionality (injectable) for debugging purposes
- support JSON parse 64bit int 
- fix empty parameters for swagger
- WebServicesUrl is now optional for swagger
- fixed duplicate AccessControlAllowOrigin in CORS
- (api change) expose ServeMux in container
- (api add) added AllowedDomains in CORS
- (api add) ParameterNamed for detailed documentation
-
-2014-04-16
-
- (api add) expose constructor of Request for testing.
-
-2014-06-27
-
- (api add) ParameterNamed gives access to a Parameter definition and its data (for further specification).
- (api add) SetCacheReadEntity allow scontrol over whether or not the request body is being cached (default true for compatibility reasons).
-
-2014-07-03
-
- (api add) CORS can be configured with a list of allowed domains
-
-2014-03-12
-
- (api add) Route path parameters can use wildcard or regular expressions. (requires CurlyRouter)
-
-2014-02-26
-
- (api add) Request now provides information about the matched Route, see method SelectedRoutePath 
-
-2014-02-17
-
- (api change) renamed parameter constants (go-lint checks)
-
-2014-01-10
-
- (api add) support for CloseNotify, see http://golang.org/pkg/net/http/#CloseNotifier
-
-2014-01-07
-
- (api change) Write* methods in Response now return the error or nil.
- added example of serving HTML from a Go template.
- fixed comparing Allowed headers in CORS (is now case-insensitive)
-
-2013-11-13
-
- (api add) Response knows how many bytes are written to the response body.
-
-2013-10-29
-
- (api add) RecoverHandler(handler RecoverHandleFunction) to change how panic recovery is handled. Default behavior is to log and return a stacktrace. This may be a security issue as it exposes sourcecode information.
-
-2013-10-04
-
- (api add) Response knows what HTTP status has been written
- (api add) Request can have attributes (map of string->interface, also called request-scoped variables
-
-2013-09-12
-
- (api change) Router interface simplified
- Implemented CurlyRouter, a Router that does not use|allow regular expressions in paths
-
-2013-08-05
- - add OPTIONS support
- - add CORS support
-
-2013-08-27
-
- fixed some reported issues (see github)
- (api change) deprecated use of WriteError; use WriteErrorString instead
-
-2014-04-15
-
- (fix) v1.0.1 tag: fix Issue 111: WriteErrorString
-
-2013-08-08
-
- (api add) Added implementation Container: a WebServices collection with its own http.ServeMux allowing multiple endpoints per program. Existing uses of go-restful will register their services to the DefaultContainer.
- (api add) the swagger package has be extended to have a UI per container.
- if panic is detected then a small stack trace is printed (thanks to runner-mei)
- (api add) WriteErrorString to Response
-
-Important API changes:
-
- (api remove) package variable DoNotRecover no longer works ; use restful.DefaultContainer.DoNotRecover(true) instead.
- (api remove) package variable EnableContentEncoding no longer works ; use restful.DefaultContainer.EnableContentEncoding(true) instead.
- 
- 
-2013-07-06
-
- (api add) Added support for response encoding (gzip and deflate(zlib)). This feature is disabled on default (for backwards compatibility). Use restful.EnableContentEncoding = true in your initialization to enable this feature.
-
-2013-06-19
-
- (improve) DoNotRecover option, moved request body closer, improved ReadEntity
-
-2013-06-03
-
- (api change) removed Dispatcher interface, hide PathExpression
- changed receiver names of type functions to be more idiomatic Go
-
-2013-06-02
-
- (optimize) Cache the RegExp compilation of Paths.
-
-2013-05-22
-	
- (api add) Added support for request/response filter functions
-
-2013-05-18
-
-
- (api add) Added feature to change the default Http Request Dispatch function (travis cline)
- (api change) Moved Swagger Webservice to swagger package (see example restful-user)
-
-[2012-11-14 .. 2013-05-18>
- 
- See https://github.com/emicklei/go-restful/commits
-
-2012-11-14
-
- Initial commit
-
-
--- a/vendor/github.com/emicklei/go-restful/LICENSE
+++ b/vendor/github.com/emicklei/go-restful/LICENSE
@@ -1,22 +0,0 @@
-Copyright (c) 2012,2013 Ernest Micklei
-
-MIT License
-
-Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the
-"Software"), to deal in the Software without restriction, including
-without limitation the rights to use, copy, modify, merge, publish,
-distribute, sublicense, and/or sell copies of the Software, and to
-permit persons to whom the Software is furnished to do so, subject to
-the following conditions:
-
-The above copyright notice and this permission notice shall be
-included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
-LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
-OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
-WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
--- a/vendor/github.com/emicklei/go-restful/Makefile
+++ b/vendor/github.com/emicklei/go-restful/Makefile
@@ -1,7 +0,0 @@
-all: test
-
-test:
-	go test -v .
-
-ex:
-	cd examples && ls *.go | xargs go build -o /tmp/ignore
--- a/vendor/github.com/emicklei/go-restful/README.md
+++ b/vendor/github.com/emicklei/go-restful/README.md
@@ -1,74 +0,0 @@
-go-restful
-==========
-package for building REST-style Web Services using Google Go
-
-[![Build Status](https://travis-ci.org/emicklei/go-restful.png)](https://travis-ci.org/emicklei/go-restful)
-[![Go Report Card](https://goreportcard.com/badge/github.com/emicklei/go-restful)](https://goreportcard.com/report/github.com/emicklei/go-restful)
-[![GoDoc](https://godoc.org/github.com/emicklei/go-restful?status.svg)](https://godoc.org/github.com/emicklei/go-restful)
-
- [Code examples](https://github.com/emicklei/go-restful/tree/master/examples)
-
-REST asks developers to use HTTP methods explicitly and in a way that's consistent with the protocol definition. This basic REST design principle establishes a one-to-one mapping between create, read, update, and delete (CRUD) operations and HTTP methods. According to this mapping:
-
- GET = Retrieve a representation of a resource
- POST = Create if you are sending content to the server to create a subordinate of the specified resource collection, using some server-side algorithm.
- PUT = Create if you are sending the full content of the specified resource (URI).
- PUT = Update if you are updating the full content of the specified resource.
- DELETE = Delete if you are requesting the server to delete the resource
- PATCH = Update partial content of a resource
- OPTIONS = Get information about the communication options for the request URI
-    
-### Example
-
-```Go
-ws := new(restful.WebService)
-ws.
-	Path("/users").
-	Consumes(restful.MIME_XML, restful.MIME_JSON).
-	Produces(restful.MIME_JSON, restful.MIME_XML)
-
-ws.Route(ws.GET("/{user-id}").To(u.findUser).
-	Doc("get a user").
-	Param(ws.PathParameter("user-id", "identifier of the user").DataType("string")).
-	Writes(User{}))		
-...
-	
-func (u UserResource) findUser(request *restful.Request, response *restful.Response) {
-	id := request.PathParameter("user-id")
-	...
-}
-```
-	
-[Full API of a UserResource](https://github.com/emicklei/go-restful/tree/master/examples/restful-user-resource.go) 
-		
-### Features
-
- Routes for request &#8594; function mapping with path parameter (e.g. {id}) support
- Configurable router:
-	- (default) Fast routing algorithm that allows static elements, regular expressions and dynamic parameters in the URL path (e.g. /meetings/{id} or /static/{subpath:*}
-	- Routing algorithm after [JSR311](http://jsr311.java.net/nonav/releases/1.1/spec/spec.html) that is implemented using (but does **not** accept) regular expressions
- Request API for reading structs from JSON/XML and accesing parameters (path,query,header)
- Response API for writing structs to JSON/XML and setting headers
- Customizable encoding using EntityReaderWriter registration
- Filters for intercepting the request &#8594; response flow on Service or Route level
- Request-scoped variables using attributes
- Containers for WebServices on different HTTP endpoints
- Content encoding (gzip,deflate) of request and response payloads
- Automatic responses on OPTIONS (using a filter)
- Automatic CORS request handling (using a filter)
- API declaration for Swagger UI (see [go-restful-swagger12](https://github.com/emicklei/go-restful-swagger12),[go-restful-openapi](https://github.com/emicklei/go-restful-openapi))
- Panic recovery to produce HTTP 500, customizable using RecoverHandler(...)
- Route errors produce HTTP 404/405/406/415 errors, customizable using ServiceErrorHandler(...)
- Configurable (trace) logging
- Customizable gzip/deflate readers and writers using CompressorProvider registration
-	
-### Resources
-
- [Example posted on blog](http://ernestmicklei.com/2012/11/go-restful-first-working-example/)
- [Design explained on blog](http://ernestmicklei.com/2012/11/go-restful-api-design/)
- [sourcegraph](https://sourcegraph.com/github.com/emicklei/go-restful)
- [showcase: Mora - MongoDB REST Api server](https://github.com/emicklei/mora)
-
-Type ```git shortlog -s``` for a full list of contributors.
-
-© 2012 - 2017, http://ernestmicklei.com. MIT License. Contributions are welcome.
--- a/vendor/github.com/emicklei/go-restful/Srcfile
+++ b/vendor/github.com/emicklei/go-restful/Srcfile
@@ -1 +0,0 @@
-{"SkipDirs": ["examples"]}
--- a/vendor/github.com/emicklei/go-restful/bench_test.sh
+++ b/vendor/github.com/emicklei/go-restful/bench_test.sh
@@ -1,10 +0,0 @@
-#go test -run=none -file bench_test.go -test.bench . -cpuprofile=bench_test.out
-
-go test -c
-./go-restful.test -test.run=none -test.cpuprofile=tmp.prof -test.bench=BenchmarkMany
-./go-restful.test -test.run=none -test.cpuprofile=curly.prof -test.bench=BenchmarkManyCurly
-
-#go tool pprof go-restful.test tmp.prof
-go tool pprof go-restful.test curly.prof
-
-
--- a/vendor/github.com/emicklei/go-restful/compress.go
+++ b/vendor/github.com/emicklei/go-restful/compress.go
@@ -1,123 +0,0 @@
-package restful
-
-// Copyright 2013 Ernest Micklei. All rights reserved.
-// Use of this source code is governed by a license
-// that can be found in the LICENSE file.
-
-import (
-	"bufio"
-	"compress/gzip"
-	"compress/zlib"
-	"errors"
-	"io"
-	"net"
-	"net/http"
-	"strings"
-)
-
-// OBSOLETE : use restful.DefaultContainer.EnableContentEncoding(true) to change this setting.
-var EnableContentEncoding = false
-
-// CompressingResponseWriter is a http.ResponseWriter that can perform content encoding (gzip and zlib)
-type CompressingResponseWriter struct {
-	writer     http.ResponseWriter
-	compressor io.WriteCloser
-	encoding   string
-}
-
-// Header is part of http.ResponseWriter interface
-func (c *CompressingResponseWriter) Header() http.Header {
-	return c.writer.Header()
-}
-
-// WriteHeader is part of http.ResponseWriter interface
-func (c *CompressingResponseWriter) WriteHeader(status int) {
-	c.writer.WriteHeader(status)
-}
-
-// Write is part of http.ResponseWriter interface
-// It is passed through the compressor
-func (c *CompressingResponseWriter) Write(bytes []byte) (int, error) {
-	if c.isCompressorClosed() {
-		return -1, errors.New("Compressing error: tried to write data using closed compressor")
-	}
-	return c.compressor.Write(bytes)
-}
-
-// CloseNotify is part of http.CloseNotifier interface
-func (c *CompressingResponseWriter) CloseNotify() <-chan bool {
-	return c.writer.(http.CloseNotifier).CloseNotify()
-}
-
-// Close the underlying compressor
-func (c *CompressingResponseWriter) Close() error {
-	if c.isCompressorClosed() {
-		return errors.New("Compressing error: tried to close already closed compressor")
-	}
-
-	c.compressor.Close()
-	if ENCODING_GZIP == c.encoding {
-		currentCompressorProvider.ReleaseGzipWriter(c.compressor.(*gzip.Writer))
-	}
-	if ENCODING_DEFLATE == c.encoding {
-		currentCompressorProvider.ReleaseZlibWriter(c.compressor.(*zlib.Writer))
-	}
-	// gc hint needed?
-	c.compressor = nil
-	return nil
-}
-
-func (c *CompressingResponseWriter) isCompressorClosed() bool {
-	return nil == c.compressor
-}
-
-// Hijack implements the Hijacker interface
-// This is especially useful when combining Container.EnabledContentEncoding
-// in combination with websockets (for instance gorilla/websocket)
-func (c *CompressingResponseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
-	hijacker, ok := c.writer.(http.Hijacker)
-	if !ok {
-		return nil, nil, errors.New("ResponseWriter doesn't support Hijacker interface")
-	}
-	return hijacker.Hijack()
-}
-
-// WantsCompressedResponse reads the Accept-Encoding header to see if and which encoding is requested.
-func wantsCompressedResponse(httpRequest *http.Request) (bool, string) {
-	header := httpRequest.Header.Get(HEADER_AcceptEncoding)
-	gi := strings.Index(header, ENCODING_GZIP)
-	zi := strings.Index(header, ENCODING_DEFLATE)
-	// use in order of appearance
-	if gi == -1 {
-		return zi != -1, ENCODING_DEFLATE
-	} else if zi == -1 {
-		return gi != -1, ENCODING_GZIP
-	} else {
-		if gi < zi {
-			return true, ENCODING_GZIP
-		}
-		return true, ENCODING_DEFLATE
-	}
-}
-
-// NewCompressingResponseWriter create a CompressingResponseWriter for a known encoding = {gzip,deflate}
-func NewCompressingResponseWriter(httpWriter http.ResponseWriter, encoding string) (*CompressingResponseWriter, error) {
-	httpWriter.Header().Set(HEADER_ContentEncoding, encoding)
-	c := new(CompressingResponseWriter)
-	c.writer = httpWriter
-	var err error
-	if ENCODING_GZIP == encoding {
-		w := currentCompressorProvider.AcquireGzipWriter()
-		w.Reset(httpWriter)
-		c.compressor = w
-		c.encoding = ENCODING_GZIP
-	} else if ENCODING_DEFLATE == encoding {
-		w := currentCompressorProvider.AcquireZlibWriter()
-		w.Reset(httpWriter)
-		c.compressor = w
-		c.encoding = ENCODING_DEFLATE
-	} else {
-		return nil, errors.New("Unknown encoding:" + encoding)
-	}
-	return c, err
-}
--- a/vendor/github.com/emicklei/go-restful/compressor_cache.go
+++ b/vendor/github.com/emicklei/go-restful/compressor_cache.go
@@ -1,103 +0,0 @@
-package restful
-
-// Copyright 2015 Ernest Micklei. All rights reserved.
-// Use of this source code is governed by a license
-// that can be found in the LICENSE file.
-
-import (
-	"compress/gzip"
-	"compress/zlib"
-)
-
-// BoundedCachedCompressors is a CompressorProvider that uses a cache with a fixed amount
-// of writers and readers (resources).
-// If a new resource is acquired and all are in use, it will return a new unmanaged resource.
-type BoundedCachedCompressors struct {
-	gzipWriters     chan *gzip.Writer
-	gzipReaders     chan *gzip.Reader
-	zlibWriters     chan *zlib.Writer
-	writersCapacity int
-	readersCapacity int
-}
-
-// NewBoundedCachedCompressors returns a new, with filled cache,  BoundedCachedCompressors.
-func NewBoundedCachedCompressors(writersCapacity, readersCapacity int) *BoundedCachedCompressors {
-	b := &BoundedCachedCompressors{
-		gzipWriters:     make(chan *gzip.Writer, writersCapacity),
-		gzipReaders:     make(chan *gzip.Reader, readersCapacity),
-		zlibWriters:     make(chan *zlib.Writer, writersCapacity),
-		writersCapacity: writersCapacity,
-		readersCapacity: readersCapacity,
-	}
-	for ix := 0; ix < writersCapacity; ix++ {
-		b.gzipWriters <- newGzipWriter()
-		b.zlibWriters <- newZlibWriter()
-	}
-	for ix := 0; ix < readersCapacity; ix++ {
-		b.gzipReaders <- newGzipReader()
-	}
-	return b
-}
-
-// AcquireGzipWriter returns an resettable *gzip.Writer. Needs to be released.
-func (b *BoundedCachedCompressors) AcquireGzipWriter() *gzip.Writer {
-	var writer *gzip.Writer
-	select {
-	case writer, _ = <-b.gzipWriters:
-	default:
-		// return a new unmanaged one
-		writer = newGzipWriter()
-	}
-	return writer
-}
-
-// ReleaseGzipWriter accepts a writer (does not have to be one that was cached)
-// only when the cache has room for it. It will ignore it otherwise.
-func (b *BoundedCachedCompressors) ReleaseGzipWriter(w *gzip.Writer) {
-	// forget the unmanaged ones
-	if len(b.gzipWriters) < b.writersCapacity {
-		b.gzipWriters <- w
-	}
-}
-
-// AcquireGzipReader returns a *gzip.Reader. Needs to be released.
-func (b *BoundedCachedCompressors) AcquireGzipReader() *gzip.Reader {
-	var reader *gzip.Reader
-	select {
-	case reader, _ = <-b.gzipReaders:
-	default:
-		// return a new unmanaged one
-		reader = newGzipReader()
-	}
-	return reader
-}
-
-// ReleaseGzipReader accepts a reader (does not have to be one that was cached)
-// only when the cache has room for it. It will ignore it otherwise.
-func (b *BoundedCachedCompressors) ReleaseGzipReader(r *gzip.Reader) {
-	// forget the unmanaged ones
-	if len(b.gzipReaders) < b.readersCapacity {
-		b.gzipReaders <- r
-	}
-}
-
-// AcquireZlibWriter returns an resettable *zlib.Writer. Needs to be released.
-func (b *BoundedCachedCompressors) AcquireZlibWriter() *zlib.Writer {
-	var writer *zlib.Writer
-	select {
-	case writer, _ = <-b.zlibWriters:
-	default:
-		// return a new unmanaged one
-		writer = newZlibWriter()
-	}
-	return writer
-}
-
-// ReleaseZlibWriter accepts a writer (does not have to be one that was cached)
-// only when the cache has room for it. It will ignore it otherwise.
-func (b *BoundedCachedCompressors) ReleaseZlibWriter(w *zlib.Writer) {
-	// forget the unmanaged ones
-	if len(b.zlibWriters) < b.writersCapacity {
-		b.zlibWriters <- w
-	}
-}
--- a/vendor/github.com/emicklei/go-restful/compressor_pools.go
+++ b/vendor/github.com/emicklei/go-restful/compressor_pools.go
@@ -1,91 +0,0 @@
-package restful
-
-// Copyright 2015 Ernest Micklei. All rights reserved.
-// Use of this source code is governed by a license
-// that can be found in the LICENSE file.
-
-import (
-	"bytes"
-	"compress/gzip"
-	"compress/zlib"
-	"sync"
-)
-
-// SyncPoolCompessors is a CompressorProvider that use the standard sync.Pool.
-type SyncPoolCompessors struct {
-	GzipWriterPool *sync.Pool
-	GzipReaderPool *sync.Pool
-	ZlibWriterPool *sync.Pool
-}
-
-// NewSyncPoolCompessors returns a new ("empty") SyncPoolCompessors.
-func NewSyncPoolCompessors() *SyncPoolCompessors {
-	return &SyncPoolCompessors{
-		GzipWriterPool: &sync.Pool{
-			New: func() interface{} { return newGzipWriter() },
-		},
-		GzipReaderPool: &sync.Pool{
-			New: func() interface{} { return newGzipReader() },
-		},
-		ZlibWriterPool: &sync.Pool{
-			New: func() interface{} { return newZlibWriter() },
-		},
-	}
-}
-
-func (s *SyncPoolCompessors) AcquireGzipWriter() *gzip.Writer {
-	return s.GzipWriterPool.Get().(*gzip.Writer)
-}
-
-func (s *SyncPoolCompessors) ReleaseGzipWriter(w *gzip.Writer) {
-	s.GzipWriterPool.Put(w)
-}
-
-func (s *SyncPoolCompessors) AcquireGzipReader() *gzip.Reader {
-	return s.GzipReaderPool.Get().(*gzip.Reader)
-}
-
-func (s *SyncPoolCompessors) ReleaseGzipReader(r *gzip.Reader) {
-	s.GzipReaderPool.Put(r)
-}
-
-func (s *SyncPoolCompessors) AcquireZlibWriter() *zlib.Writer {
-	return s.ZlibWriterPool.Get().(*zlib.Writer)
-}
-
-func (s *SyncPoolCompessors) ReleaseZlibWriter(w *zlib.Writer) {
-	s.ZlibWriterPool.Put(w)
-}
-
-func newGzipWriter() *gzip.Writer {
-	// create with an empty bytes writer; it will be replaced before using the gzipWriter
-	writer, err := gzip.NewWriterLevel(new(bytes.Buffer), gzip.BestSpeed)
-	if err != nil {
-		panic(err.Error())
-	}
-	return writer
-}
-
-func newGzipReader() *gzip.Reader {
-	// create with an empty reader (but with GZIP header); it will be replaced before using the gzipReader
-	// we can safely use currentCompressProvider because it is set on package initialization.
-	w := currentCompressorProvider.AcquireGzipWriter()
-	defer currentCompressorProvider.ReleaseGzipWriter(w)
-	b := new(bytes.Buffer)
-	w.Reset(b)
-	w.Flush()
-	w.Close()
-	reader, err := gzip.NewReader(bytes.NewReader(b.Bytes()))
-	if err != nil {
-		panic(err.Error())
-	}
-	return reader
-}
-
-func newZlibWriter() *zlib.Writer {
-	writer, err := zlib.NewWriterLevel(new(bytes.Buffer), gzip.BestSpeed)
-	if err != nil {
-		panic(err.Error())
-	}
-	return writer
-}
--- a/vendor/github.com/emicklei/go-restful/compressors.go
+++ b/vendor/github.com/emicklei/go-restful/compressors.go
@@ -1,54 +0,0 @@
-package restful
-
-// Copyright 2015 Ernest Micklei. All rights reserved.
-// Use of this source code is governed by a license
-// that can be found in the LICENSE file.
-
-import (
-	"compress/gzip"
-	"compress/zlib"
-)
-
-// CompressorProvider describes a component that can provider compressors for the std methods.
-type CompressorProvider interface {
-	// Returns a *gzip.Writer which needs to be released later.
-	// Before using it, call Reset().
-	AcquireGzipWriter() *gzip.Writer
-
-	// Releases an aqcuired *gzip.Writer.
-	ReleaseGzipWriter(w *gzip.Writer)
-
-	// Returns a *gzip.Reader which needs to be released later.
-	AcquireGzipReader() *gzip.Reader
-
-	// Releases an aqcuired *gzip.Reader.
-	ReleaseGzipReader(w *gzip.Reader)
-
-	// Returns a *zlib.Writer which needs to be released later.
-	// Before using it, call Reset().
-	AcquireZlibWriter() *zlib.Writer
-
-	// Releases an aqcuired *zlib.Writer.
-	ReleaseZlibWriter(w *zlib.Writer)
-}
-
-// DefaultCompressorProvider is the actual provider of compressors (zlib or gzip).
-var currentCompressorProvider CompressorProvider
-
-func init() {
-	currentCompressorProvider = NewSyncPoolCompessors()
-}
-
-// CurrentCompressorProvider returns the current CompressorProvider.
-// It is initialized using a SyncPoolCompessors.
-func CurrentCompressorProvider() CompressorProvider {
-	return currentCompressorProvider
-}
-
-// CompressorProvider sets the actual provider of compressors (zlib or gzip).
-func SetCompressorProvider(p CompressorProvider) {
-	if p == nil {
-		panic("cannot set compressor provider to nil")
-	}
-	currentCompressorProvider = p
-}
--- a/vendor/github.com/emicklei/go-restful/constants.go
+++ b/vendor/github.com/emicklei/go-restful/constants.go
@@ -1,30 +0,0 @@
-package restful
-
-// Copyright 2013 Ernest Micklei. All rights reserved.
-// Use of this source code is governed by a license
-// that can be found in the LICENSE file.
-
-const (
-	MIME_XML   = "application/xml"          // Accept or Content-Type used in Consumes() and/or Produces()
-	MIME_JSON  = "application/json"         // Accept or Content-Type used in Consumes() and/or Produces()
-	MIME_OCTET = "application/octet-stream" // If Content-Type is not present in request, use the default
-
-	HEADER_Allow                         = "Allow"
-	HEADER_Accept                        = "Accept"
-	HEADER_Origin                        = "Origin"
-	HEADER_ContentType                   = "Content-Type"
-	HEADER_LastModified                  = "Last-Modified"
-	HEADER_AcceptEncoding                = "Accept-Encoding"
-	HEADER_ContentEncoding               = "Content-Encoding"
-	HEADER_AccessControlExposeHeaders    = "Access-Control-Expose-Headers"
-	HEADER_AccessControlRequestMethod    = "Access-Control-Request-Method"
-	HEADER_AccessControlRequestHeaders   = "Access-Control-Request-Headers"
-	HEADER_AccessControlAllowMethods     = "Access-Control-Allow-Methods"
-	HEADER_AccessControlAllowOrigin      = "Access-Control-Allow-Origin"
-	HEADER_AccessControlAllowCredentials = "Access-Control-Allow-Credentials"
-	HEADER_AccessControlAllowHeaders     = "Access-Control-Allow-Headers"
-	HEADER_AccessControlMaxAge           = "Access-Control-Max-Age"
-
-	ENCODING_GZIP    = "gzip"
-	ENCODING_DEFLATE = "deflate"
-)
--- a/vendor/github.com/emicklei/go-restful/container.go
+++ b/vendor/github.com/emicklei/go-restful/container.go
@@ -1,366 +0,0 @@
-package restful
-
-// Copyright 2013 Ernest Micklei. All rights reserved.
-// Use of this source code is governed by a license
-// that can be found in the LICENSE file.
-
-import (
-	"bytes"
-	"errors"
-	"fmt"
-	"net/http"
-	"os"
-	"runtime"
-	"strings"
-	"sync"
-
-	"github.com/emicklei/go-restful/log"
-)
-
-// Container holds a collection of WebServices and a http.ServeMux to dispatch http requests.
-// The requests are further dispatched to routes of WebServices using a RouteSelector
-type Container struct {
-	webServicesLock        sync.RWMutex
-	webServices            []*WebService
-	ServeMux               *http.ServeMux
-	isRegisteredOnRoot     bool
-	containerFilters       []FilterFunction
-	doNotRecover           bool // default is true
-	recoverHandleFunc      RecoverHandleFunction
-	serviceErrorHandleFunc ServiceErrorHandleFunction
-	router                 RouteSelector // default is a CurlyRouter (RouterJSR311 is a slower alternative)
-	contentEncodingEnabled bool          // default is false
-}
-
-// NewContainer creates a new Container using a new ServeMux and default router (CurlyRouter)
-func NewContainer() *Container {
-	return &Container{
-		webServices:            []*WebService{},
-		ServeMux:               http.NewServeMux(),
-		isRegisteredOnRoot:     false,
-		containerFilters:       []FilterFunction{},
-		doNotRecover:           true,
-		recoverHandleFunc:      logStackOnRecover,
-		serviceErrorHandleFunc: writeServiceError,
-		router:                 CurlyRouter{},
-		contentEncodingEnabled: false}
-}
-
-// RecoverHandleFunction declares functions that can be used to handle a panic situation.
-// The first argument is what recover() returns. The second must be used to communicate an error response.
-type RecoverHandleFunction func(interface{}, http.ResponseWriter)
-
-// RecoverHandler changes the default function (logStackOnRecover) to be called
-// when a panic is detected. DoNotRecover must be have its default value (=false).
-func (c *Container) RecoverHandler(handler RecoverHandleFunction) {
-	c.recoverHandleFunc = handler
-}
-
-// ServiceErrorHandleFunction declares functions that can be used to handle a service error situation.
-// The first argument is the service error, the second is the request that resulted in the error and
-// the third must be used to communicate an error response.
-type ServiceErrorHandleFunction func(ServiceError, *Request, *Response)
-
-// ServiceErrorHandler changes the default function (writeServiceError) to be called
-// when a ServiceError is detected.
-func (c *Container) ServiceErrorHandler(handler ServiceErrorHandleFunction) {
-	c.serviceErrorHandleFunc = handler
-}
-
-// DoNotRecover controls whether panics will be caught to return HTTP 500.
-// If set to true, Route functions are responsible for handling any error situation.
-// Default value is true.
-func (c *Container) DoNotRecover(doNot bool) {
-	c.doNotRecover = doNot
-}
-
-// Router changes the default Router (currently CurlyRouter)
-func (c *Container) Router(aRouter RouteSelector) {
-	c.router = aRouter
-}
-
-// EnableContentEncoding (default=false) allows for GZIP or DEFLATE encoding of responses.
-func (c *Container) EnableContentEncoding(enabled bool) {
-	c.contentEncodingEnabled = enabled
-}
-
-// Add a WebService to the Container. It will detect duplicate root paths and exit in that case.
-func (c *Container) Add(service *WebService) *Container {
-	c.webServicesLock.Lock()
-	defer c.webServicesLock.Unlock()
-
-	// if rootPath was not set then lazy initialize it
-	if len(service.rootPath) == 0 {
-		service.Path("/")
-	}
-
-	// cannot have duplicate root paths
-	for _, each := range c.webServices {
-		if each.RootPath() == service.RootPath() {
-			log.Printf("[restful] WebService with duplicate root path detected:['%v']", each)
-			os.Exit(1)
-		}
-	}
-
-	// If not registered on root then add specific mapping
-	if !c.isRegisteredOnRoot {
-		c.isRegisteredOnRoot = c.addHandler(service, c.ServeMux)
-	}
-	c.webServices = append(c.webServices, service)
-	return c
-}
-
-// addHandler may set a new HandleFunc for the serveMux
-// this function must run inside the critical region protected by the webServicesLock.
-// returns true if the function was registered on root ("/")
-func (c *Container) addHandler(service *WebService, serveMux *http.ServeMux) bool {
-	pattern := fixedPrefixPath(service.RootPath())
-	// check if root path registration is needed
-	if "/" == pattern || "" == pattern {
-		serveMux.HandleFunc("/", c.dispatch)
-		return true
-	}
-	// detect if registration already exists
-	alreadyMapped := false
-	for _, each := range c.webServices {
-		if each.RootPath() == service.RootPath() {
-			alreadyMapped = true
-			break
-		}
-	}
-	if !alreadyMapped {
-		serveMux.HandleFunc(pattern, c.dispatch)
-		if !strings.HasSuffix(pattern, "/") {
-			serveMux.HandleFunc(pattern+"/", c.dispatch)
-		}
-	}
-	return false
-}
-
-func (c *Container) Remove(ws *WebService) error {
-	if c.ServeMux == http.DefaultServeMux {
-		errMsg := fmt.Sprintf("[restful] cannot remove a WebService from a Container using the DefaultServeMux: ['%v']", ws)
-		log.Printf(errMsg)
-		return errors.New(errMsg)
-	}
-	c.webServicesLock.Lock()
-	defer c.webServicesLock.Unlock()
-	// build a new ServeMux and re-register all WebServices
-	newServeMux := http.NewServeMux()
-	newServices := []*WebService{}
-	newIsRegisteredOnRoot := false
-	for _, each := range c.webServices {
-		if each.rootPath != ws.rootPath {
-			// If not registered on root then add specific mapping
-			if !newIsRegisteredOnRoot {
-				newIsRegisteredOnRoot = c.addHandler(each, newServeMux)
-			}
-			newServices = append(newServices, each)
-		}
-	}
-	c.webServices, c.ServeMux, c.isRegisteredOnRoot = newServices, newServeMux, newIsRegisteredOnRoot
-	return nil
-}
-
-// logStackOnRecover is the default RecoverHandleFunction and is called
-// when DoNotRecover is false and the recoverHandleFunc is not set for the container.
-// Default implementation logs the stacktrace and writes the stacktrace on the response.
-// This may be a security issue as it exposes sourcecode information.
-func logStackOnRecover(panicReason interface{}, httpWriter http.ResponseWriter) {
-	var buffer bytes.Buffer
-	buffer.WriteString(fmt.Sprintf("[restful] recover from panic situation: - %v\r\n", panicReason))
-	for i := 2; ; i += 1 {
-		_, file, line, ok := runtime.Caller(i)
-		if !ok {
-			break
-		}
-		buffer.WriteString(fmt.Sprintf("    %s:%d\r\n", file, line))
-	}
-	log.Print(buffer.String())
-	httpWriter.WriteHeader(http.StatusInternalServerError)
-	httpWriter.Write(buffer.Bytes())
-}
-
-// writeServiceError is the default ServiceErrorHandleFunction and is called
-// when a ServiceError is returned during route selection. Default implementation
-// calls resp.WriteErrorString(err.Code, err.Message)
-func writeServiceError(err ServiceError, req *Request, resp *Response) {
-	resp.WriteErrorString(err.Code, err.Message)
-}
-
-// Dispatch the incoming Http Request to a matching WebService.
-func (c *Container) Dispatch(httpWriter http.ResponseWriter, httpRequest *http.Request) {
-	if httpWriter == nil {
-		panic("httpWriter cannot be nil")
-	}
-	if httpRequest == nil {
-		panic("httpRequest cannot be nil")
-	}
-	c.dispatch(httpWriter, httpRequest)
-}
-
-// Dispatch the incoming Http Request to a matching WebService.
-func (c *Container) dispatch(httpWriter http.ResponseWriter, httpRequest *http.Request) {
-	writer := httpWriter
-
-	// CompressingResponseWriter should be closed after all operations are done
-	defer func() {
-		if compressWriter, ok := writer.(*CompressingResponseWriter); ok {
-			compressWriter.Close()
-		}
-	}()
-
-	// Instal panic recovery unless told otherwise
-	if !c.doNotRecover { // catch all for 500 response
-		defer func() {
-			if r := recover(); r != nil {
-				c.recoverHandleFunc(r, writer)
-				return
-			}
-		}()
-	}
-
-	// Detect if compression is needed
-	// assume without compression, test for override
-	if c.contentEncodingEnabled {
-		doCompress, encoding := wantsCompressedResponse(httpRequest)
-		if doCompress {
-			var err error
-			writer, err = NewCompressingResponseWriter(httpWriter, encoding)
-			if err != nil {
-				log.Print("[restful] unable to install compressor: ", err)
-				httpWriter.WriteHeader(http.StatusInternalServerError)
-				return
-			}
-		}
-	}
-	// Find best match Route ; err is non nil if no match was found
-	var webService *WebService
-	var route *Route
-	var err error
-	func() {
-		c.webServicesLock.RLock()
-		defer c.webServicesLock.RUnlock()
-		webService, route, err = c.router.SelectRoute(
-			c.webServices,
-			httpRequest)
-	}()
-	if err != nil {
-		// a non-200 response has already been written
-		// run container filters anyway ; they should not touch the response...
-		chain := FilterChain{Filters: c.containerFilters, Target: func(req *Request, resp *Response) {
-			switch err.(type) {
-			case ServiceError:
-				ser := err.(ServiceError)
-				c.serviceErrorHandleFunc(ser, req, resp)
-			}
-			// TODO
-		}}
-		chain.ProcessFilter(NewRequest(httpRequest), NewResponse(writer))
-		return
-	}
-	wrappedRequest, wrappedResponse := route.wrapRequestResponse(writer, httpRequest)
-	// pass through filters (if any)
-	if len(c.containerFilters)+len(webService.filters)+len(route.Filters) > 0 {
-		// compose filter chain
-		allFilters := []FilterFunction{}
-		allFilters = append(allFilters, c.containerFilters...)
-		allFilters = append(allFilters, webService.filters...)
-		allFilters = append(allFilters, route.Filters...)
-		chain := FilterChain{Filters: allFilters, Target: func(req *Request, resp *Response) {
-			// handle request by route after passing all filters
-			route.Function(wrappedRequest, wrappedResponse)
-		}}
-		chain.ProcessFilter(wrappedRequest, wrappedResponse)
-	} else {
-		// no filters, handle request by route
-		route.Function(wrappedRequest, wrappedResponse)
-	}
-}
-
-// fixedPrefixPath returns the fixed part of the partspec ; it may include template vars {}
-func fixedPrefixPath(pathspec string) string {
-	varBegin := strings.Index(pathspec, "{")
-	if -1 == varBegin {
-		return pathspec
-	}
-	return pathspec[:varBegin]
-}
-
-// ServeHTTP implements net/http.Handler therefore a Container can be a Handler in a http.Server
-func (c *Container) ServeHTTP(httpwriter http.ResponseWriter, httpRequest *http.Request) {
-	c.ServeMux.ServeHTTP(httpwriter, httpRequest)
-}
-
-// Handle registers the handler for the given pattern. If a handler already exists for pattern, Handle panics.
-func (c *Container) Handle(pattern string, handler http.Handler) {
-	c.ServeMux.Handle(pattern, handler)
-}
-
-// HandleWithFilter registers the handler for the given pattern.
-// Container's filter chain is applied for handler.
-// If a handler already exists for pattern, HandleWithFilter panics.
-func (c *Container) HandleWithFilter(pattern string, handler http.Handler) {
-	f := func(httpResponse http.ResponseWriter, httpRequest *http.Request) {
-		if len(c.containerFilters) == 0 {
-			handler.ServeHTTP(httpResponse, httpRequest)
-			return
-		}
-
-		chain := FilterChain{Filters: c.containerFilters, Target: func(req *Request, resp *Response) {
-			handler.ServeHTTP(httpResponse, httpRequest)
-		}}
-		chain.ProcessFilter(NewRequest(httpRequest), NewResponse(httpResponse))
-	}
-
-	c.Handle(pattern, http.HandlerFunc(f))
-}
-
-// Filter appends a container FilterFunction. These are called before dispatching
-// a http.Request to a WebService from the container
-func (c *Container) Filter(filter FilterFunction) {
-	c.containerFilters = append(c.containerFilters, filter)
-}
-
-// RegisteredWebServices returns the collections of added WebServices
-func (c *Container) RegisteredWebServices() []*WebService {
-	c.webServicesLock.RLock()
-	defer c.webServicesLock.RUnlock()
-	result := make([]*WebService, len(c.webServices))
-	for ix := range c.webServices {
-		result[ix] = c.webServices[ix]
-	}
-	return result
-}
-
-// computeAllowedMethods returns a list of HTTP methods that are valid for a Request
-func (c *Container) computeAllowedMethods(req *Request) []string {
-	// Go through all RegisteredWebServices() and all its Routes to collect the options
-	methods := []string{}
-	requestPath := req.Request.URL.Path
-	for _, ws := range c.RegisteredWebServices() {
-		matches := ws.pathExpr.Matcher.FindStringSubmatch(requestPath)
-		if matches != nil {
-			finalMatch := matches[len(matches)-1]
-			for _, rt := range ws.Routes() {
-				matches := rt.pathExpr.Matcher.FindStringSubmatch(finalMatch)
-				if matches != nil {
-					lastMatch := matches[len(matches)-1]
-					if lastMatch == "" || lastMatch == "/" { // do not include if value is neither empty nor ‘/’.
-						methods = append(methods, rt.Method)
-					}
-				}
-			}
-		}
-	}
-	// methods = append(methods, "OPTIONS")  not sure about this
-	return methods
-}
-
-// newBasicRequestResponse creates a pair of Request,Response from its http versions.
-// It is basic because no parameter or (produces) content-type information is given.
-func newBasicRequestResponse(httpWriter http.ResponseWriter, httpRequest *http.Request) (*Request, *Response) {
-	resp := NewResponse(httpWriter)
-	resp.requestAccept = httpRequest.Header.Get(HEADER_Accept)
-	return NewRequest(httpRequest), resp
-}
--- a/vendor/github.com/emicklei/go-restful/cors_filter.go
+++ b/vendor/github.com/emicklei/go-restful/cors_filter.go
@@ -1,202 +0,0 @@
-package restful
-
-// Copyright 2013 Ernest Micklei. All rights reserved.
-// Use of this source code is governed by a license
-// that can be found in the LICENSE file.
-
-import (
-	"regexp"
-	"strconv"
-	"strings"
-)
-
-// CrossOriginResourceSharing is used to create a Container Filter that implements CORS.
-// Cross-origin resource sharing (CORS) is a mechanism that allows JavaScript on a web page
-// to make XMLHttpRequests to another domain, not the domain the JavaScript originated from.
-//
-// http://en.wikipedia.org/wiki/Cross-origin_resource_sharing
-// http://enable-cors.org/server.html
-// http://www.html5rocks.com/en/tutorials/cors/#toc-handling-a-not-so-simple-request
-type CrossOriginResourceSharing struct {
-	ExposeHeaders  []string // list of Header names
-	AllowedHeaders []string // list of Header names
-	AllowedDomains []string // list of allowed values for Http Origin. An allowed value can be a regular expression to support subdomain matching. If empty all are allowed.
-	AllowedMethods []string
-	MaxAge         int // number of seconds before requiring new Options request
-	CookiesAllowed bool
-	Container      *Container
-
-	allowedOriginPatterns []*regexp.Regexp // internal field for origin regexp check.
-}
-
-// Filter is a filter function that implements the CORS flow as documented on http://enable-cors.org/server.html
-// and http://www.html5rocks.com/static/images/cors_server_flowchart.png
-func (c CrossOriginResourceSharing) Filter(req *Request, resp *Response, chain *FilterChain) {
-	origin := req.Request.Header.Get(HEADER_Origin)
-	if len(origin) == 0 {
-		if trace {
-			traceLogger.Print("no Http header Origin set")
-		}
-		chain.ProcessFilter(req, resp)
-		return
-	}
-	if !c.isOriginAllowed(origin) { // check whether this origin is allowed
-		if trace {
-			traceLogger.Printf("HTTP Origin:%s is not part of %v, neither matches any part of %v", origin, c.AllowedDomains, c.allowedOriginPatterns)
-		}
-		chain.ProcessFilter(req, resp)
-		return
-	}
-	if req.Request.Method != "OPTIONS" {
-		c.doActualRequest(req, resp)
-		chain.ProcessFilter(req, resp)
-		return
-	}
-	if acrm := req.Request.Header.Get(HEADER_AccessControlRequestMethod); acrm != "" {
-		c.doPreflightRequest(req, resp)
-	} else {
-		c.doActualRequest(req, resp)
-		chain.ProcessFilter(req, resp)
-		return
-	}
-}
-
-func (c CrossOriginResourceSharing) doActualRequest(req *Request, resp *Response) {
-	c.setOptionsHeaders(req, resp)
-	// continue processing the response
-}
-
-func (c *CrossOriginResourceSharing) doPreflightRequest(req *Request, resp *Response) {
-	if len(c.AllowedMethods) == 0 {
-		if c.Container == nil {
-			c.AllowedMethods = DefaultContainer.computeAllowedMethods(req)
-		} else {
-			c.AllowedMethods = c.Container.computeAllowedMethods(req)
-		}
-	}
-
-	acrm := req.Request.Header.Get(HEADER_AccessControlRequestMethod)
-	if !c.isValidAccessControlRequestMethod(acrm, c.AllowedMethods) {
-		if trace {
-			traceLogger.Printf("Http header %s:%s is not in %v",
-				HEADER_AccessControlRequestMethod,
-				acrm,
-				c.AllowedMethods)
-		}
-		return
-	}
-	acrhs := req.Request.Header.Get(HEADER_AccessControlRequestHeaders)
-	if len(acrhs) > 0 {
-		for _, each := range strings.Split(acrhs, ",") {
-			if !c.isValidAccessControlRequestHeader(strings.Trim(each, " ")) {
-				if trace {
-					traceLogger.Printf("Http header %s:%s is not in %v",
-						HEADER_AccessControlRequestHeaders,
-						acrhs,
-						c.AllowedHeaders)
-				}
-				return
-			}
-		}
-	}
-	resp.AddHeader(HEADER_AccessControlAllowMethods, strings.Join(c.AllowedMethods, ","))
-	resp.AddHeader(HEADER_AccessControlAllowHeaders, acrhs)
-	c.setOptionsHeaders(req, resp)
-
-	// return http 200 response, no body
-}
-
-func (c CrossOriginResourceSharing) setOptionsHeaders(req *Request, resp *Response) {
-	c.checkAndSetExposeHeaders(resp)
-	c.setAllowOriginHeader(req, resp)
-	c.checkAndSetAllowCredentials(resp)
-	if c.MaxAge > 0 {
-		resp.AddHeader(HEADER_AccessControlMaxAge, strconv.Itoa(c.MaxAge))
-	}
-}
-
-func (c CrossOriginResourceSharing) isOriginAllowed(origin string) bool {
-	if len(origin) == 0 {
-		return false
-	}
-	if len(c.AllowedDomains) == 0 {
-		return true
-	}
-
-	allowed := false
-	for _, domain := range c.AllowedDomains {
-		if domain == origin {
-			allowed = true
-			break
-		}
-	}
-
-	if !allowed {
-		if len(c.allowedOriginPatterns) == 0 {
-			// compile allowed domains to allowed origin patterns
-			allowedOriginRegexps, err := compileRegexps(c.AllowedDomains)
-			if err != nil {
-				return false
-			}
-			c.allowedOriginPatterns = allowedOriginRegexps
-		}
-
-		for _, pattern := range c.allowedOriginPatterns {
-			if allowed = pattern.MatchString(origin); allowed {
-				break
-			}
-		}
-	}
-
-	return allowed
-}
-
-func (c CrossOriginResourceSharing) setAllowOriginHeader(req *Request, resp *Response) {
-	origin := req.Request.Header.Get(HEADER_Origin)
-	if c.isOriginAllowed(origin) {
-		resp.AddHeader(HEADER_AccessControlAllowOrigin, origin)
-	}
-}
-
-func (c CrossOriginResourceSharing) checkAndSetExposeHeaders(resp *Response) {
-	if len(c.ExposeHeaders) > 0 {
-		resp.AddHeader(HEADER_AccessControlExposeHeaders, strings.Join(c.ExposeHeaders, ","))
-	}
-}
-
-func (c CrossOriginResourceSharing) checkAndSetAllowCredentials(resp *Response) {
-	if c.CookiesAllowed {
-		resp.AddHeader(HEADER_AccessControlAllowCredentials, "true")
-	}
-}
-
-func (c CrossOriginResourceSharing) isValidAccessControlRequestMethod(method string, allowedMethods []string) bool {
-	for _, each := range allowedMethods {
-		if each == method {
-			return true
-		}
-	}
-	return false
-}
-
-func (c CrossOriginResourceSharing) isValidAccessControlRequestHeader(header string) bool {
-	for _, each := range c.AllowedHeaders {
-		if strings.ToLower(each) == strings.ToLower(header) {
-			return true
-		}
-	}
-	return false
-}
-
-// Take a list of strings and compile them into a list of regular expressions.
-func compileRegexps(regexpStrings []string) ([]*regexp.Regexp, error) {
-	regexps := []*regexp.Regexp{}
-	for _, regexpStr := range regexpStrings {
-		r, err := regexp.Compile(regexpStr)
-		if err != nil {
-			return regexps, err
-		}
-		regexps = append(regexps, r)
-	}
-	return regexps, nil
-}
--- a/vendor/github.com/emicklei/go-restful/coverage.sh
+++ b/vendor/github.com/emicklei/go-restful/coverage.sh
@@ -1,2 +0,0 @@
-go test -coverprofile=coverage.out
-go tool cover -html=coverage.out
--- a/vendor/github.com/emicklei/go-restful/curly.go
+++ b/vendor/github.com/emicklei/go-restful/curly.go
@@ -1,164 +0,0 @@
-package restful
-
-// Copyright 2013 Ernest Micklei. All rights reserved.
-// Use of this source code is governed by a license
-// that can be found in the LICENSE file.
-
-import (
-	"net/http"
-	"regexp"
-	"sort"
-	"strings"
-)
-
-// CurlyRouter expects Routes with paths that contain zero or more parameters in curly brackets.
-type CurlyRouter struct{}
-
-// SelectRoute is part of the Router interface and returns the best match
-// for the WebService and its Route for the given Request.
-func (c CurlyRouter) SelectRoute(
-	webServices []*WebService,
-	httpRequest *http.Request) (selectedService *WebService, selected *Route, err error) {
-
-	requestTokens := tokenizePath(httpRequest.URL.Path)
-
-	detectedService := c.detectWebService(requestTokens, webServices)
-	if detectedService == nil {
-		if trace {
-			traceLogger.Printf("no WebService was found to match URL path:%s\n", httpRequest.URL.Path)
-		}
-		return nil, nil, NewError(http.StatusNotFound, "404: Page Not Found")
-	}
-	candidateRoutes := c.selectRoutes(detectedService, requestTokens)
-	if len(candidateRoutes) == 0 {
-		if trace {
-			traceLogger.Printf("no Route in WebService with path %s was found to match URL path:%s\n", detectedService.rootPath, httpRequest.URL.Path)
-		}
-		return detectedService, nil, NewError(http.StatusNotFound, "404: Page Not Found")
-	}
-	selectedRoute, err := c.detectRoute(candidateRoutes, httpRequest)
-	if selectedRoute == nil {
-		return detectedService, nil, err
-	}
-	return detectedService, selectedRoute, nil
-}
-
-// selectRoutes return a collection of Route from a WebService that matches the path tokens from the request.
-func (c CurlyRouter) selectRoutes(ws *WebService, requestTokens []string) sortableCurlyRoutes {
-	candidates := sortableCurlyRoutes{}
-	for _, each := range ws.routes {
-		matches, paramCount, staticCount := c.matchesRouteByPathTokens(each.pathParts, requestTokens)
-		if matches {
-			candidates.add(curlyRoute{each, paramCount, staticCount}) // TODO make sure Routes() return pointers?
-		}
-	}
-	sort.Sort(sort.Reverse(candidates))
-	return candidates
-}
-
-// matchesRouteByPathTokens computes whether it matches, howmany parameters do match and what the number of static path elements are.
-func (c CurlyRouter) matchesRouteByPathTokens(routeTokens, requestTokens []string) (matches bool, paramCount int, staticCount int) {
-	if len(routeTokens) < len(requestTokens) {
-		// proceed in matching only if last routeToken is wildcard
-		count := len(routeTokens)
-		if count == 0 || !strings.HasSuffix(routeTokens[count-1], "*}") {
-			return false, 0, 0
-		}
-		// proceed
-	}
-	for i, routeToken := range routeTokens {
-		if i == len(requestTokens) {
-			// reached end of request path
-			return false, 0, 0
-		}
-		requestToken := requestTokens[i]
-		if strings.HasPrefix(routeToken, "{") {
-			paramCount++
-			if colon := strings.Index(routeToken, ":"); colon != -1 {
-				// match by regex
-				matchesToken, matchesRemainder := c.regularMatchesPathToken(routeToken, colon, requestToken)
-				if !matchesToken {
-					return false, 0, 0
-				}
-				if matchesRemainder {
-					break
-				}
-			}
-		} else { // no { prefix
-			if requestToken != routeToken {
-				return false, 0, 0
-			}
-			staticCount++
-		}
-	}
-	return true, paramCount, staticCount
-}
-
-// regularMatchesPathToken tests whether the regular expression part of routeToken matches the requestToken or all remaining tokens
-// format routeToken is {someVar:someExpression}, e.g. {zipcode:[\d][\d][\d][\d][A-Z][A-Z]}
-func (c CurlyRouter) regularMatchesPathToken(routeToken string, colon int, requestToken string) (matchesToken bool, matchesRemainder bool) {
-	regPart := routeToken[colon+1 : len(routeToken)-1]
-	if regPart == "*" {
-		if trace {
-			traceLogger.Printf("wildcard parameter detected in route token %s that matches %s\n", routeToken, requestToken)
-		}
-		return true, true
-	}
-	matched, err := regexp.MatchString(regPart, requestToken)
-	return (matched && err == nil), false
-}
-
-var jsr311Router = RouterJSR311{}
-
-// detectRoute selectes from a list of Route the first match by inspecting both the Accept and Content-Type
-// headers of the Request. See also RouterJSR311 in jsr311.go
-func (c CurlyRouter) detectRoute(candidateRoutes sortableCurlyRoutes, httpRequest *http.Request) (*Route, error) {
-	// tracing is done inside detectRoute
-	return jsr311Router.detectRoute(candidateRoutes.routes(), httpRequest)
-}
-
-// detectWebService returns the best matching webService given the list of path tokens.
-// see also computeWebserviceScore
-func (c CurlyRouter) detectWebService(requestTokens []string, webServices []*WebService) *WebService {
-	var best *WebService
-	score := -1
-	for _, each := range webServices {
-		matches, eachScore := c.computeWebserviceScore(requestTokens, each.pathExpr.tokens)
-		if matches && (eachScore > score) {
-			best = each
-			score = eachScore
-		}
-	}
-	return best
-}
-
-// computeWebserviceScore returns whether tokens match and
-// the weighted score of the longest matching consecutive tokens from the beginning.
-func (c CurlyRouter) computeWebserviceScore(requestTokens []string, tokens []string) (bool, int) {
-	if len(tokens) > len(requestTokens) {
-		return false, 0
-	}
-	score := 0
-	for i := 0; i < len(tokens); i++ {
-		each := requestTokens[i]
-		other := tokens[i]
-		if len(each) == 0 && len(other) == 0 {
-			score++
-			continue
-		}
-		if len(other) > 0 && strings.HasPrefix(other, "{") {
-			// no empty match
-			if len(each) == 0 {
-				return false, score
-			}
-			score += 1
-		} else {
-			// not a parameter
-			if each != other {
-				return false, score
-			}
-			score += (len(tokens) - i) * 10 //fuzzy
-		}
-	}
-	return true, score
-}
--- a/Show More
+++ b/Show More