Update dependencies to v0.21.2 tag

Automated cherry pick of #102147: vendor: bump runc to rc95

Kubernetes-commit: 133f66aa603c4624ff3544f26f54a153a54c6f94

Godeps/Godeps.json

@@ -0,0 +1,530 @@
+{
+	"ImportPath": "k8s.io/sample-controller",
+	"GoVersion": "unknown",
+	"GodepVersion": "gen-godeps",
+	"Packages": [
+		"./..."
+	],
+	"Deps": [
+		{
+			"ImportPath": "cloud.google.com/go",
+			"Rev": "v0.54.0"
+		},
+		{
+			"ImportPath": "cloud.google.com/go/bigquery",
+			"Rev": "v1.4.0"
+		},
+		{
+			"ImportPath": "cloud.google.com/go/datastore",
+			"Rev": "v1.1.0"
+		},
+		{
+			"ImportPath": "cloud.google.com/go/pubsub",
+			"Rev": "v1.2.0"
+		},
+		{
+			"ImportPath": "cloud.google.com/go/storage",
+			"Rev": "v1.6.0"
+		},
+		{
+			"ImportPath": "dmitri.shuralyov.com/gpu/mtl",
+			"Rev": "666a987793e9"
+		},
+		{
+			"ImportPath": "github.com/Azure/go-autorest",
+			"Rev": "v14.2.0"
+		},
+		{
+			"ImportPath": "github.com/Azure/go-autorest/autorest",
+			"Rev": "v0.11.12"
+		},
+		{
+			"ImportPath": "github.com/Azure/go-autorest/autorest/adal",
+			"Rev": "v0.9.5"
+		},
+		{
+			"ImportPath": "github.com/Azure/go-autorest/autorest/date",
+			"Rev": "v0.3.0"
+		},
+		{
+			"ImportPath": "github.com/Azure/go-autorest/autorest/mocks",
+			"Rev": "v0.4.1"
+		},
+		{
+			"ImportPath": "github.com/Azure/go-autorest/logger",
+			"Rev": "v0.2.0"
+		},
+		{
+			"ImportPath": "github.com/Azure/go-autorest/tracing",
+			"Rev": "v0.6.0"
+		},
+		{
+			"ImportPath": "github.com/BurntSushi/toml",
+			"Rev": "v0.3.1"
+		},
+		{
+			"ImportPath": "github.com/BurntSushi/xgb",
+			"Rev": "27f122750802"
+		},
+		{
+			"ImportPath": "github.com/NYTimes/gziphandler",
+			"Rev": "56545f4a5d46"
+		},
+		{
+			"ImportPath": "github.com/PuerkitoBio/purell",
+			"Rev": "v1.1.1"
+		},
+		{
+			"ImportPath": "github.com/PuerkitoBio/urlesc",
+			"Rev": "de5bf2ad4578"
+		},
+		{
+			"ImportPath": "github.com/asaskevich/govalidator",
+			"Rev": "f61b66f89f4a"
+		},
+		{
+			"ImportPath": "github.com/census-instrumentation/opencensus-proto",
+			"Rev": "v0.2.1"
+		},
+		{
+			"ImportPath": "github.com/chzyer/logex",
+			"Rev": "v1.1.10"
+		},
+		{
+			"ImportPath": "github.com/chzyer/readline",
+			"Rev": "2972be24d48e"
+		},
+		{
+			"ImportPath": "github.com/chzyer/test",
+			"Rev": "a1ea475d72b1"
+		},
+		{
+			"ImportPath": "github.com/client9/misspell",
+			"Rev": "v0.3.4"
+		},
+		{
+			"ImportPath": "github.com/creack/pty",
+			"Rev": "v1.1.9"
+		},
+		{
+			"ImportPath": "github.com/davecgh/go-spew",
+			"Rev": "v1.1.1"
+		},
+		{
+			"ImportPath": "github.com/docopt/docopt-go",
+			"Rev": "ee0de3bc6815"
+		},
+		{
+			"ImportPath": "github.com/elazarl/goproxy",
+			"Rev": "947c36da3153"
+		},
+		{
+			"ImportPath": "github.com/emicklei/go-restful",
+			"Rev": "v2.9.5"
+		},
+		{
+			"ImportPath": "github.com/envoyproxy/go-control-plane",
+			"Rev": "5f8ba28d4473"
+		},
+		{
+			"ImportPath": "github.com/envoyproxy/protoc-gen-validate",
+			"Rev": "v0.1.0"
+		},
+		{
+			"ImportPath": "github.com/evanphx/json-patch",
+			"Rev": "v4.9.0"
+		},
+		{
+			"ImportPath": "github.com/form3tech-oss/jwt-go",
+			"Rev": "v3.2.2"
+		},
+		{
+			"ImportPath": "github.com/fsnotify/fsnotify",
+			"Rev": "v1.4.7"
+		},
+		{
+			"ImportPath": "github.com/go-gl/glfw",
+			"Rev": "e6da0acd62b1"
+		},
+		{
+			"ImportPath": "github.com/go-gl/glfw/v3.3/glfw",
+			"Rev": "6f7a984d4dc4"
+		},
+		{
+			"ImportPath": "github.com/go-logr/logr",
+			"Rev": "v0.4.0"
+		},
+		{
+			"ImportPath": "github.com/go-openapi/jsonpointer",
+			"Rev": "v0.19.3"
+		},
+		{
+			"ImportPath": "github.com/go-openapi/jsonreference",
+			"Rev": "v0.19.3"
+		},
+		{
+			"ImportPath": "github.com/go-openapi/spec",
+			"Rev": "v0.19.5"
+		},
+		{
+			"ImportPath": "github.com/go-openapi/swag",
+			"Rev": "v0.19.5"
+		},
+		{
+			"ImportPath": "github.com/gogo/protobuf",
+			"Rev": "v1.3.2"
+		},
+		{
+			"ImportPath": "github.com/golang/glog",
+			"Rev": "23def4e6c14b"
+		},
+		{
+			"ImportPath": "github.com/golang/groupcache",
+			"Rev": "8c9f03a8e57e"
+		},
+		{
+			"ImportPath": "github.com/golang/mock",
+			"Rev": "v1.4.1"
+		},
+		{
+			"ImportPath": "github.com/golang/protobuf",
+			"Rev": "v1.4.3"
+		},
+		{
+			"ImportPath": "github.com/google/btree",
+			"Rev": "v1.0.0"
+		},
+		{
+			"ImportPath": "github.com/google/go-cmp",
+			"Rev": "v0.5.4"
+		},
+		{
+			"ImportPath": "github.com/google/gofuzz",
+			"Rev": "v1.1.0"
+		},
+		{
+			"ImportPath": "github.com/google/martian",
+			"Rev": "v2.1.0"
+		},
+		{
+			"ImportPath": "github.com/google/pprof",
+			"Rev": "1ebb73c60ed3"
+		},
+		{
+			"ImportPath": "github.com/google/renameio",
+			"Rev": "v0.1.0"
+		},
+		{
+			"ImportPath": "github.com/google/uuid",
+			"Rev": "v1.1.2"
+		},
+		{
+			"ImportPath": "github.com/googleapis/gax-go/v2",
+			"Rev": "v2.0.5"
+		},
+		{
+			"ImportPath": "github.com/googleapis/gnostic",
+			"Rev": "v0.4.1"
+		},
+		{
+			"ImportPath": "github.com/gorilla/websocket",
+			"Rev": "v1.4.2"
+		},
+		{
+			"ImportPath": "github.com/gregjones/httpcache",
+			"Rev": "9cad4c3443a7"
+		},
+		{
+			"ImportPath": "github.com/hashicorp/golang-lru",
+			"Rev": "v0.5.1"
+		},
+		{
+			"ImportPath": "github.com/hpcloud/tail",
+			"Rev": "v1.0.0"
+		},
+		{
+			"ImportPath": "github.com/ianlancetaylor/demangle",
+			"Rev": "5e5cf60278f6"
+		},
+		{
+			"ImportPath": "github.com/imdario/mergo",
+			"Rev": "v0.3.5"
+		},
+		{
+			"ImportPath": "github.com/json-iterator/go",
+			"Rev": "v1.1.10"
+		},
+		{
+			"ImportPath": "github.com/jstemmer/go-junit-report",
+			"Rev": "v0.9.1"
+		},
+		{
+			"ImportPath": "github.com/kisielk/errcheck",
+			"Rev": "v1.5.0"
+		},
+		{
+			"ImportPath": "github.com/kisielk/gotool",
+			"Rev": "v1.0.0"
+		},
+		{
+			"ImportPath": "github.com/kr/pretty",
+			"Rev": "v0.2.0"
+		},
+		{
+			"ImportPath": "github.com/kr/pty",
+			"Rev": "v1.1.5"
+		},
+		{
+			"ImportPath": "github.com/kr/text",
+			"Rev": "v0.2.0"
+		},
+		{
+			"ImportPath": "github.com/mailru/easyjson",
+			"Rev": "v0.7.0"
+		},
+		{
+			"ImportPath": "github.com/mitchellh/mapstructure",
+			"Rev": "v1.1.2"
+		},
+		{
+			"ImportPath": "github.com/moby/spdystream",
+			"Rev": "v0.2.0"
+		},
+		{
+			"ImportPath": "github.com/modern-go/concurrent",
+			"Rev": "bacd9c7ef1dd"
+		},
+		{
+			"ImportPath": "github.com/modern-go/reflect2",
+			"Rev": "v1.0.1"
+		},
+		{
+			"ImportPath": "github.com/munnerz/goautoneg",
+			"Rev": "a547fc61f48d"
+		},
+		{
+			"ImportPath": "github.com/mxk/go-flowrate",
+			"Rev": "cca7078d478f"
+		},
+		{
+			"ImportPath": "github.com/niemeyer/pretty",
+			"Rev": "a10e7caefd8e"
+		},
+		{
+			"ImportPath": "github.com/onsi/ginkgo",
+			"Rev": "v1.11.0"
+		},
+		{
+			"ImportPath": "github.com/onsi/gomega",
+			"Rev": "v1.7.0"
+		},
+		{
+			"ImportPath": "github.com/peterbourgon/diskv",
+			"Rev": "v2.0.1"
+		},
+		{
+			"ImportPath": "github.com/pkg/errors",
+			"Rev": "v0.9.1"
+		},
+		{
+			"ImportPath": "github.com/pmezard/go-difflib",
+			"Rev": "v1.0.0"
+		},
+		{
+			"ImportPath": "github.com/prometheus/client_model",
+			"Rev": "14fe0d1b01d4"
+		},
+		{
+			"ImportPath": "github.com/rogpeppe/go-internal",
+			"Rev": "v1.3.0"
+		},
+		{
+			"ImportPath": "github.com/spf13/afero",
+			"Rev": "v1.2.2"
+		},
+		{
+			"ImportPath": "github.com/spf13/pflag",
+			"Rev": "v1.0.5"
+		},
+		{
+			"ImportPath": "github.com/stretchr/objx",
+			"Rev": "v0.2.0"
+		},
+		{
+			"ImportPath": "github.com/stretchr/testify",
+			"Rev": "v1.6.1"
+		},
+		{
+			"ImportPath": "github.com/yuin/goldmark",
+			"Rev": "v1.2.1"
+		},
+		{
+			"ImportPath": "go.opencensus.io",
+			"Rev": "v0.22.3"
+		},
+		{
+			"ImportPath": "golang.org/x/crypto",
+			"Rev": "5ea612d1eb83"
+		},
+		{
+			"ImportPath": "golang.org/x/exp",
+			"Rev": "6cc2880d07d6"
+		},
+		{
+			"ImportPath": "golang.org/x/image",
+			"Rev": "cff245a6509b"
+		},
+		{
+			"ImportPath": "golang.org/x/lint",
+			"Rev": "738671d3881b"
+		},
+		{
+			"ImportPath": "golang.org/x/mobile",
+			"Rev": "d2bd2a29d028"
+		},
+		{
+			"ImportPath": "golang.org/x/mod",
+			"Rev": "ce943fd02449"
+		},
+		{
+			"ImportPath": "golang.org/x/net",
+			"Rev": "3d97a244fca7"
+		},
+		{
+			"ImportPath": "golang.org/x/oauth2",
+			"Rev": "bf48bf16ab8d"
+		},
+		{
+			"ImportPath": "golang.org/x/sync",
+			"Rev": "67f06af15bc9"
+		},
+		{
+			"ImportPath": "golang.org/x/sys",
+			"Rev": "d19ff857e887"
+		},
+		{
+			"ImportPath": "golang.org/x/term",
+			"Rev": "6a3ed077a48d"
+		},
+		{
+			"ImportPath": "golang.org/x/text",
+			"Rev": "v0.3.4"
+		},
+		{
+			"ImportPath": "golang.org/x/time",
+			"Rev": "f8bda1e9f3ba"
+		},
+		{
+			"ImportPath": "golang.org/x/tools",
+			"Rev": "v0.1.0"
+		},
+		{
+			"ImportPath": "golang.org/x/xerrors",
+			"Rev": "5ec99f83aff1"
+		},
+		{
+			"ImportPath": "google.golang.org/api",
+			"Rev": "v0.20.0"
+		},
+		{
+			"ImportPath": "google.golang.org/appengine",
+			"Rev": "v1.6.5"
+		},
+		{
+			"ImportPath": "google.golang.org/genproto",
+			"Rev": "cb27e3aa2013"
+		},
+		{
+			"ImportPath": "google.golang.org/grpc",
+			"Rev": "v1.27.1"
+		},
+		{
+			"ImportPath": "google.golang.org/protobuf",
+			"Rev": "v1.25.0"
+		},
+		{
+			"ImportPath": "gopkg.in/check.v1",
+			"Rev": "8fa46927fb4f"
+		},
+		{
+			"ImportPath": "gopkg.in/errgo.v2",
+			"Rev": "v2.1.0"
+		},
+		{
+			"ImportPath": "gopkg.in/fsnotify.v1",
+			"Rev": "v1.4.7"
+		},
+		{
+			"ImportPath": "gopkg.in/inf.v0",
+			"Rev": "v0.9.1"
+		},
+		{
+			"ImportPath": "gopkg.in/tomb.v1",
+			"Rev": "dd632973f1e7"
+		},
+		{
+			"ImportPath": "gopkg.in/yaml.v2",
+			"Rev": "v2.4.0"
+		},
+		{
+			"ImportPath": "gopkg.in/yaml.v3",
+			"Rev": "9f266ea9e77c"
+		},
+		{
+			"ImportPath": "honnef.co/go/tools",
+			"Rev": "v0.0.1-2020.1.3"
+		},
+		{
+			"ImportPath": "k8s.io/api",
+			"Rev": "b96220531b73"
+		},
+		{
+			"ImportPath": "k8s.io/apimachinery",
+			"Rev": "1a7b32ce3b15"
+		},
+		{
+			"ImportPath": "k8s.io/client-go",
+			"Rev": "ffd8cfc5638d"
+		},
+		{
+			"ImportPath": "k8s.io/code-generator",
+			"Rev": "e3528c8bc482"
+		},
+		{
+			"ImportPath": "k8s.io/gengo",
+			"Rev": "b6c5ce23f027"
+		},
+		{
+			"ImportPath": "k8s.io/klog/v2",
+			"Rev": "v2.8.0"
+		},
+		{
+			"ImportPath": "k8s.io/kube-openapi",
+			"Rev": "591a79e4bda7"
+		},
+		{
+			"ImportPath": "k8s.io/utils",
+			"Rev": "67b214c5f920"
+		},
+		{
+			"ImportPath": "rsc.io/binaryregexp",
+			"Rev": "v0.2.0"
+		},
+		{
+			"ImportPath": "rsc.io/quote/v3",
+			"Rev": "v3.1.0"
+		},
+		{
+			"ImportPath": "rsc.io/sampler",
+			"Rev": "v1.3.0"
+		},
+		{
+			"ImportPath": "sigs.k8s.io/structured-merge-diff/v4",
+			"Rev": "v4.1.0"
+		},
+		{
+			"ImportPath": "sigs.k8s.io/yaml",
+			"Rev": "v1.2.0"
+		}
+	]
+}

Godeps/OWNERS

@@ -0,0 +1,4 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+approvers:
+- dep-approvers

Godeps/Readme

@@ -0,0 +1,5 @@
+This directory tree is generated automatically by godep.
+
+Please do not edit.
+
+See https://github.com/tools/godep for more information.

OWNERS

@@ -1,11 +1,11 @@
 # See the OWNERS docs at https://go.k8s.io/owners
 
 approvers:
-  - sttts
-  - munnerz
+- sttts
+- munnerz
 reviewers:
-  - sttts
-  - munnerz
-  - nikhita
+- sttts
+- munnerz
+- nikhita
 labels:
-  - sig/api-machinery
+- sig/api-machinery

README.md

@@ -59,7 +59,7 @@ cd sample-controller
 ```
 
 Note, however, that if you intend to
-generate code then you will also need the
+[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.
@@ -87,7 +87,7 @@ go build -o sample-controller .
 ./sample-controller -kubeconfig=$HOME/.kube/config
 
 # create a CustomResourceDefinition
-kubectl create -f artifacts/examples/crd-status-subresource.yaml
+kubectl create -f artifacts/examples/crd.yaml
 
 # create a custom resource of type Foo
 kubectl create -f artifacts/examples/example-foo.yaml
@@ -128,21 +128,36 @@ 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. Validation in the form of a [structured schema](https://kubernetes.io/docs/tasks/extend-kubernetes/custom-resources/custom-resource-definitions/#specifying-a-structural-schema) is mandatory to be provided for `apiextensions.k8s.io/v1`.
+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.yaml`](./artifacts/examples/crd.yaml) applies the following validation on the custom resource:
+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](https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definitions/#subresources). The `CustomResourceSubresources` feature is in GA from v1.16.
+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) can be used by the controller to update only the status part of the custom resource.
+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).
 
@@ -153,15 +168,11 @@ In the above steps, use `crd-status-subresource.yaml` to create the CRD:
 kubectl create -f artifacts/examples/crd-status-subresource.yaml
 ```
 
-## A Note on the API version
-The [group](https://kubernetes.io/docs/reference/using-api/#api-groups) version of the custom resource in `crd.yaml` is `v1alpha`, this can be evolved to a stable API version, `v1`, using [CRD Versioning](https://kubernetes.io/docs/tasks/extend-kubernetes/custom-resources/custom-resource-definition-versioning/).
-
 ## Cleanup
 
 You can clean up the created CustomResourceDefinition with:
-```sh
-kubectl delete crd foos.samplecontroller.k8s.io
-```
+
+    kubectl delete crd foos.samplecontroller.k8s.io
 
 ## Compatibility
 
@@ -174,4 +185,3 @@ k8s.io/client-go.
 https://github.com/kubernetes/kubernetes/blob/master/staging/src/k8s.io/sample-controller.
 Code changes are made in that location, merged into k8s.io/kubernetes and
 later synced here.
-

artifacts/examples/crd-status-subresource.yaml

@@ -1,41 +1,13 @@
-apiVersion: apiextensions.k8s.io/v1
+apiVersion: apiextensions.k8s.io/v1beta1
 kind: CustomResourceDefinition
 metadata:
   name: foos.samplecontroller.k8s.io
-  # for more information on the below annotation, please see
-  # https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/2337-k8s.io-group-protection/README.md
-  annotations:
-    "api-approved.kubernetes.io": "unapproved, experimental-only; please get an approval from Kubernetes API reviewers if you're trying to develop a CRD in the *.k8s.io or *.kubernetes.io groups"
 spec:
   group: samplecontroller.k8s.io
-  versions:
-    - name: v1alpha1
-      served: true
-      storage: true
-      schema:
-        # schema used for validation
-        openAPIV3Schema:
-          type: object
-          properties:
-            spec:
-              type: object
-              properties:
-                deploymentName:
-                  type: string
-                replicas:
-                  type: integer
-                  minimum: 1
-                  maximum: 10
-            status:
-              type: object
-              properties:
-                availableReplicas:
-                  type: integer
-      # subresources for the custom resource
-      subresources:
-        # enables the status subresource
-        status: {}
+  version: v1alpha1
   names:
     kind: Foo
     plural: foos
   scope: Namespaced
+  subresources:
+    status: {}

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

artifacts/examples/crd.yaml

@@ -1,36 +1,10 @@
-apiVersion: apiextensions.k8s.io/v1
+apiVersion: apiextensions.k8s.io/v1beta1
 kind: CustomResourceDefinition
 metadata:
   name: foos.samplecontroller.k8s.io
-  # for more information on the below annotation, please see
-  # https://github.com/kubernetes/enhancements/blob/master/keps/sig-api-machinery/2337-k8s.io-group-protection/README.md
-  annotations:
-    "api-approved.kubernetes.io": "unapproved, experimental-only; please get an approval from Kubernetes API reviewers if you're trying to develop a CRD in the *.k8s.io or *.kubernetes.io groups"
 spec:
   group: samplecontroller.k8s.io
-  versions:
-    - name: v1alpha1
-      served: true
-      storage: true
-      schema:
-        # schema used for validation
-        openAPIV3Schema:
-          type: object
-          properties:
-            spec:
-              type: object
-              properties:
-                deploymentName:
-                  type: string
-                replicas:
-                  type: integer
-                  minimum: 1
-                  maximum: 10
-            status:
-              type: object
-              properties:
-                availableReplicas:
-                  type: integer
+  version: v1alpha1
   names:
     kind: Foo
     plural: foos

controller.go

@@ -122,7 +122,7 @@ func NewController(
 	})
 	// Set up an event handler for when Deployment resources change. This
 	// handler will lookup the owner of the given Deployment, and if it is
-	// owned by a Foo resource then the handler will enqueue that Foo resource for
+	// owned by a Foo resource will enqueue that Foo resource for
 	// processing. This way, we don't need to implement custom logic for
 	// handling Deployment resources. More info on this pattern:
 	// https://github.com/kubernetes/community/blob/8cafef897a22026d42f5e5bb3f104febe7e29830/contributors/devel/controllers.md
@@ -148,7 +148,7 @@ func NewController(
 // as syncing informer caches and starting workers. It will block until stopCh
 // 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(workers int, stopCh <-chan struct{}) error {
+func (c *Controller) Run(threadiness int, stopCh <-chan struct{}) error {
 	defer utilruntime.HandleCrash()
 	defer c.workqueue.ShutDown()
 
@@ -163,7 +163,7 @@ func (c *Controller) Run(workers int, stopCh <-chan struct{}) error {
 
 	klog.Info("Starting workers")
 	// Launch two workers to process Foo resources
-	for i := 0; i < workers; i++ {
+	for i := 0; i < threadiness; i++ {
 		go wait.Until(c.runWorker, time.Second, stopCh)
 	}
 
@@ -289,7 +289,7 @@ func (c *Controller) syncHandler(key string) error {
 	if !metav1.IsControlledBy(deployment, foo) {
 		msg := fmt.Sprintf(MessageResourceExists, deployment.Name)
 		c.recorder.Event(foo, corev1.EventTypeWarning, ErrResourceExists, msg)
-		return fmt.Errorf("%s", msg)
+		return fmt.Errorf(msg)
 	}
 
 	// If this number of the replicas on the Foo resource is specified, and the
@@ -328,7 +328,7 @@ func (c *Controller) updateFooStatus(foo *samplev1alpha1.Foo, deployment *appsv1
 	// 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).UpdateStatus(context.TODO(), fooCopy, metav1.UpdateOptions{})
+	_, err := c.sampleclientset.SamplecontrollerV1alpha1().Foos(foo.Namespace).Update(context.TODO(), fooCopy, metav1.UpdateOptions{})
 	return err
 }
 
@@ -376,7 +376,7 @@ func (c *Controller) handleObject(obj interface{}) {
 
 		foo, err := c.foosLister.Foos(object.GetNamespace()).Get(ownerRef.Name)
 		if err != nil {
-			klog.V(4).Infof("ignoring orphaned object '%s/%s' of foo '%s'", object.GetNamespace(), object.GetName(), ownerRef.Name)
+			klog.V(4).Infof("ignoring orphaned object '%s' of foo '%s'", object.GetSelfLink(), ownerRef.Name)
 			return
 		}
 

controller_test.go

@@ -236,7 +236,9 @@ func (f *fixture) expectUpdateDeploymentAction(d *apps.Deployment) {
 }
 
 func (f *fixture) expectUpdateFooStatusAction(foo *samplecontroller.Foo) {
-	action := core.NewUpdateSubresourceAction(schema.GroupVersionResource{Resource: "foos"}, "status", foo.Namespace, 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)
 }
 

docs/controller-client-go.md

@@ -32,7 +32,7 @@ is to save the object for later retrieval, and to invoke our controller passing
 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)
+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.
 
 

go.mod

@@ -2,56 +2,19 @@
 
 module k8s.io/sample-controller
 
-go 1.19
+go 1.16
 
 require (
-	k8s.io/api v0.0.0-20240307174302-4143d6bf2723
-	k8s.io/apimachinery v0.0.0-20240307172550-48b9387ff76a
-	k8s.io/client-go v0.0.0-20240307175727-7adf9e8a99d7
-	k8s.io/code-generator v0.0.0-20240307184939-d0d5d3a98b59
-	k8s.io/klog/v2 v2.80.1
+	k8s.io/api v0.21.2
+	k8s.io/apimachinery v0.21.2
+	k8s.io/client-go v0.21.2
+	k8s.io/code-generator v0.21.2
+	k8s.io/klog/v2 v2.8.0
 )
 
-require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
-	github.com/evanphx/json-patch v4.12.0+incompatible // indirect
-	github.com/go-logr/logr v1.2.3 // indirect
-	github.com/go-openapi/jsonpointer v0.19.5 // indirect
-	github.com/go-openapi/jsonreference v0.20.0 // indirect
-	github.com/go-openapi/swag v0.19.14 // indirect
-	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.4 // indirect
-	github.com/google/gnostic v0.5.7-v3refs // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
-	github.com/google/gofuzz v1.1.0 // indirect
-	github.com/imdario/mergo v0.3.6 // indirect
-	github.com/josharian/intern v1.0.0 // indirect
-	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/mailru/easyjson v0.7.6 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
-	golang.org/x/mod v0.12.0 // indirect
-	golang.org/x/net v0.17.0 // indirect
-	golang.org/x/oauth2 v0.7.0 // indirect
-	golang.org/x/sys v0.13.0 // indirect
-	golang.org/x/term v0.13.0 // indirect
-	golang.org/x/text v0.13.0 // indirect
-	golang.org/x/time v0.3.0 // indirect
-	golang.org/x/tools v0.12.0 // indirect
-	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.33.0 // indirect
-	gopkg.in/inf.v0 v0.9.1 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/gengo v0.0.0-20220902162205-c0856e24416d // indirect
-	k8s.io/kube-openapi v0.0.0-20221012153701-172d655c2280 // indirect
-	k8s.io/utils v0.0.0-20221107191617-1a15be271d1d // indirect
-	sigs.k8s.io/json v0.0.0-20220713155537-f223a00ba0e2 // indirect
-	sigs.k8s.io/structured-merge-diff/v4 v4.2.3 // indirect
-	sigs.k8s.io/yaml v1.3.0 // indirect
+replace (
+	k8s.io/api => k8s.io/api v0.21.2
+	k8s.io/apimachinery => k8s.io/apimachinery v0.21.2
+	k8s.io/client-go => k8s.io/client-go v0.21.2
+	k8s.io/code-generator => k8s.io/code-generator v0.21.2
 )

go.sum

@@ -1,227 +1,464 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
+cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
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 github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
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 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
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hack/tools.go

@@ -1,4 +1,3 @@
-//go:build tools
 // +build tools
 
 /*

pkg/apis/samplecontroller/v1alpha1/zz_generated.deepcopy.go

@@ -1,4 +1,3 @@
-//go:build !ignore_autogenerated
 // +build !ignore_autogenerated
 
 /*

pkg/generated/clientset/versioned/clientset.go

@@ -20,7 +20,6 @@ package versioned
 
 import (
 	"fmt"
-	"net/http"
 
 	discovery "k8s.io/client-go/discovery"
 	rest "k8s.io/client-go/rest"
@@ -33,7 +32,8 @@ type Interface interface {
 	SamplecontrollerV1alpha1() samplecontrollerv1alpha1.SamplecontrollerV1alpha1Interface
 }
 
-// Clientset contains the clients for groups.
+// Clientset contains the clients for groups. Each group has exactly one
+// version included in a Clientset.
 type Clientset struct {
 	*discovery.DiscoveryClient
 	samplecontrollerV1alpha1 *samplecontrollerv1alpha1.SamplecontrollerV1alpha1Client
@@ -55,45 +55,22 @@ 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.
-// NewForConfig is equivalent to NewForConfigAndClient(c, httpClient),
-// where httpClient was generated with rest.HTTPClientFor(c).
 func NewForConfig(c *rest.Config) (*Clientset, error) {
 	configShallowCopy := *c
-
-	if configShallowCopy.UserAgent == "" {
-		configShallowCopy.UserAgent = rest.DefaultKubernetesUserAgent()
-	}
-
-	// share the transport between all clients
-	httpClient, err := rest.HTTPClientFor(&configShallowCopy)
-	if err != nil {
-		return nil, err
-	}
-
-	return NewForConfigAndClient(&configShallowCopy, httpClient)
-}
-
-// NewForConfigAndClient creates a new Clientset for the given config and http client.
-// Note the http client provided takes precedence over the configured transport values.
-// If config's RateLimiter is not set and QPS and Burst are acceptable,
-// NewForConfigAndClient will generate a rate-limiter in configShallowCopy.
-func NewForConfigAndClient(c *rest.Config, httpClient *http.Client) (*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
 	var err error
-	cs.samplecontrollerV1alpha1, err = samplecontrollerv1alpha1.NewForConfigAndClient(&configShallowCopy, httpClient)
+	cs.samplecontrollerV1alpha1, err = samplecontrollerv1alpha1.NewForConfig(&configShallowCopy)
 	if err != nil {
 		return nil, err
 	}
 
-	cs.DiscoveryClient, err = discovery.NewDiscoveryClientForConfigAndClient(&configShallowCopy, httpClient)
+	cs.DiscoveryClient, err = discovery.NewDiscoveryClientForConfig(&configShallowCopy)
 	if err != nil {
 		return nil, err
 	}
@@ -103,11 +80,11 @@ func NewForConfigAndClient(c *rest.Config, httpClient *http.Client) (*Clientset,
 // NewForConfigOrDie creates a new Clientset for the given config and
 // panics if there is an error in the config.
 func NewForConfigOrDie(c *rest.Config) *Clientset {
-	cs, err := NewForConfig(c)
-	if err != nil {
-		panic(err)
-	}
-	return cs
+	var cs Clientset
+	cs.samplecontrollerV1alpha1 = samplecontrollerv1alpha1.NewForConfigOrDie(c)
+
+	cs.DiscoveryClient = discovery.NewDiscoveryClientForConfigOrDie(c)
+	return &cs
 }
 
 // New creates a new Clientset for the given RESTClient.

pkg/generated/clientset/versioned/fake/clientset_generated.go

@@ -74,10 +74,7 @@ func (c *Clientset) Tracker() testing.ObjectTracker {
 	return c.tracker
 }
 
-var (
-	_ clientset.Interface = &Clientset{}
-	_ testing.FakeClient  = &Clientset{}
-)
+var _ clientset.Interface = &Clientset{}
 
 // SamplecontrollerV1alpha1 retrieves the SamplecontrollerV1alpha1Client
 func (c *Clientset) SamplecontrollerV1alpha1() samplecontrollerv1alpha1.SamplecontrollerV1alpha1Interface {

pkg/generated/clientset/versioned/fake/register.go

@@ -37,14 +37,14 @@ var localSchemeBuilder = runtime.SchemeBuilder{
 // AddToScheme adds all types of this clientset into the given scheme. This allows composition
 // of clientsets, like in:
 //
-//	import (
-//	  "k8s.io/client-go/kubernetes"
-//	  clientsetscheme "k8s.io/client-go/kubernetes/scheme"
-//	  aggregatorclientsetscheme "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/scheme"
-//	)
+//   import (
+//     "k8s.io/client-go/kubernetes"
+//     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)
+//   kclientset, _ := kubernetes.NewForConfig(c)
+//   _ = aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
 //
 // After this, RawExtensions in Kubernetes types will serialize kube-aggregator types
 // correctly.

pkg/generated/clientset/versioned/scheme/register.go

@@ -37,14 +37,14 @@ var localSchemeBuilder = runtime.SchemeBuilder{
 // AddToScheme adds all types of this clientset into the given scheme. This allows composition
 // of clientsets, like in:
 //
-//	import (
-//	  "k8s.io/client-go/kubernetes"
-//	  clientsetscheme "k8s.io/client-go/kubernetes/scheme"
-//	  aggregatorclientsetscheme "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/scheme"
-//	)
+//   import (
+//     "k8s.io/client-go/kubernetes"
+//     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)
+//   kclientset, _ := kubernetes.NewForConfig(c)
+//   _ = aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
 //
 // After this, RawExtensions in Kubernetes types will serialize kube-aggregator types
 // correctly.

pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/fake/fake_foo.go

@@ -117,7 +117,7 @@ func (c *FakeFoos) UpdateStatus(ctx context.Context, foo *v1alpha1.Foo, opts v1.
 // Delete takes name of the foo and deletes it. Returns an error if one occurs.
 func (c *FakeFoos) Delete(ctx context.Context, name string, opts v1.DeleteOptions) error {
 	_, err := c.Fake.
-		Invokes(testing.NewDeleteActionWithOptions(foosResource, c.ns, name, opts), &v1alpha1.Foo{})
+		Invokes(testing.NewDeleteAction(foosResource, c.ns, name), &v1alpha1.Foo{})
 
 	return err
 }

pkg/generated/clientset/versioned/typed/samplecontroller/v1alpha1/samplecontroller_client.go

@@ -19,8 +19,6 @@ limitations under the License.
 package v1alpha1
 
 import (
-	"net/http"
-
 	rest "k8s.io/client-go/rest"
 	v1alpha1 "k8s.io/sample-controller/pkg/apis/samplecontroller/v1alpha1"
 	"k8s.io/sample-controller/pkg/generated/clientset/versioned/scheme"
@@ -41,28 +39,12 @@ func (c *SamplecontrollerV1alpha1Client) Foos(namespace string) FooInterface {
 }
 
 // NewForConfig creates a new SamplecontrollerV1alpha1Client for the given config.
-// NewForConfig is equivalent to NewForConfigAndClient(c, httpClient),
-// where httpClient was generated with rest.HTTPClientFor(c).
 func NewForConfig(c *rest.Config) (*SamplecontrollerV1alpha1Client, error) {
 	config := *c
 	if err := setConfigDefaults(&config); err != nil {
 		return nil, err
 	}
-	httpClient, err := rest.HTTPClientFor(&config)
-	if err != nil {
-		return nil, err
-	}
-	return NewForConfigAndClient(&config, httpClient)
-}
-
-// NewForConfigAndClient creates a new SamplecontrollerV1alpha1Client for the given config and http client.
-// Note the http client provided takes precedence over the configured transport values.
-func NewForConfigAndClient(c *rest.Config, h *http.Client) (*SamplecontrollerV1alpha1Client, error) {
-	config := *c
-	if err := setConfigDefaults(&config); err != nil {
-		return nil, err
-	}
-	client, err := rest.RESTClientForConfigAndClient(&config, h)
+	client, err := rest.RESTClientFor(&config)
 	if err != nil {
 		return nil, err
 	}

pkg/generated/informers/externalversions/factory.go

@@ -47,11 +47,6 @@ type sharedInformerFactory struct {
 	// startedInformers is used for tracking which informers have been started.
 	// This allows Start() to be called multiple times safely.
 	startedInformers map[reflect.Type]bool
-	// wg tracks how many goroutines were started.
-	wg sync.WaitGroup
-	// shuttingDown is true when Shutdown has been called. It may still be running
-	// because it needs to wait for goroutines.
-	shuttingDown bool
 }
 
 // WithCustomResyncConfig sets a custom resync period for the specified informer types.
@@ -112,39 +107,20 @@ func NewSharedInformerFactoryWithOptions(client versioned.Interface, defaultResy
 	return factory
 }
 
+// Start initializes all requested informers.
 func (f *sharedInformerFactory) Start(stopCh <-chan struct{}) {
 	f.lock.Lock()
 	defer f.lock.Unlock()
 
-	if f.shuttingDown {
-		return
-	}
-
 	for informerType, informer := range f.informers {
 		if !f.startedInformers[informerType] {
-			f.wg.Add(1)
-			// We need a new variable in each loop iteration,
-			// otherwise the goroutine would use the loop variable
-			// and that keeps changing.
-			informer := informer
-			go func() {
-				defer f.wg.Done()
-				informer.Run(stopCh)
-			}()
+			go informer.Run(stopCh)
 			f.startedInformers[informerType] = true
 		}
 	}
 }
 
-func (f *sharedInformerFactory) Shutdown() {
-	f.lock.Lock()
-	f.shuttingDown = true
-	f.lock.Unlock()
-
-	// Will return immediately if there is nothing to wait for.
-	f.wg.Wait()
-}
-
+// WaitForCacheSync waits for all started informers' cache were synced.
 func (f *sharedInformerFactory) WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool {
 	informers := func() map[reflect.Type]cache.SharedIndexInformer {
 		f.lock.Lock()
@@ -191,57 +167,10 @@ func (f *sharedInformerFactory) InformerFor(obj runtime.Object, newFunc internal
 
 // SharedInformerFactory provides shared informers for resources in all known
 // API group versions.
-//
-// It is typically used like this:
-//
-//	ctx, cancel := context.Background()
-//	defer cancel()
-//	factory := NewSharedInformerFactory(client, resyncPeriod)
-//	defer factory.WaitForStop()    // Returns immediately if nothing was started.
-//	genericInformer := factory.ForResource(resource)
-//	typedInformer := factory.SomeAPIGroup().V1().SomeType()
-//	factory.Start(ctx.Done())          // Start processing these informers.
-//	synced := factory.WaitForCacheSync(ctx.Done())
-//	for v, ok := range synced {
-//	    if !ok {
-//	        fmt.Fprintf(os.Stderr, "caches failed to sync: %v", v)
-//	        return
-//	    }
-//	}
-//
-//	// Creating informers can also be created after Start, but then
-//	// Start must be called again:
-//	anotherGenericInformer := factory.ForResource(resource)
-//	factory.Start(ctx.Done())
 type SharedInformerFactory interface {
 	internalinterfaces.SharedInformerFactory
-
-	// Start initializes all requested informers. They are handled in goroutines
-	// which run until the stop channel gets closed.
-	Start(stopCh <-chan struct{})
-
-	// Shutdown marks a factory as shutting down. At that point no new
-	// informers can be started anymore and Start will return without
-	// doing anything.
-	//
-	// In addition, Shutdown blocks until all goroutines have terminated. For that
-	// to happen, the close channel(s) that they were started with must be closed,
-	// either before Shutdown gets called or while it is waiting.
-	//
-	// Shutdown may be called multiple times, even concurrently. All such calls will
-	// block until all goroutines have terminated.
-	Shutdown()
-
-	// WaitForCacheSync blocks until all started informers' caches were synced
-	// or the stop channel gets closed.
-	WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool
-
-	// ForResource gives generic access to a shared informer of the matching type.
 	ForResource(resource schema.GroupVersionResource) (GenericInformer, error)
-
-	// InternalInformerFor returns the SharedIndexInformer for obj using an internal
-	// client.
-	InformerFor(obj runtime.Object, newFunc internalinterfaces.NewInformerFunc) cache.SharedIndexInformer
+	WaitForCacheSync(stopCh <-chan struct{}) map[reflect.Type]bool
 
 	Samplecontroller() samplecontroller.Interface
 }

pkg/signals/signal_posix.go

@@ -1,4 +1,3 @@
-//go:build !windows
 // +build !windows
 
 /*