Add sample CustomResourceDefinition controller

sample-controller: add API types

sample-controller: regenerate files

sample-controller: add implementation

sample-controller: update bazel

sample-controller: update make-rules and cache_go_dirs

sample-controller: Set noStatus tag. Remove openapi-gen tag.

sample-controller: add deletion tombstone handling logic

sample-controller: update README, remove use of reflect in UpdateFuncs

sample-controller: add OWNERS file

sample-controller: add LICENSE

Kubernetes-commit: 740afa0e65bf44a95752fb863017a7cf14b476ad

main.go

@@ -0,0 +1,77 @@
+/*
+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 (
+	"flag"
+	"time"
+
+	"github.com/golang/glog"
+	kubeinformers "k8s.io/client-go/informers"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/tools/clientcmd"
+	// 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"
+	"k8s.io/sample-controller/pkg/signals"
+)
+
+var (
+	masterURL  string
+	kubeconfig string
+)
+
+func main() {
+	flag.Parse()
+
+	// set up signals so we handle the first shutdown signal gracefully
+	stopCh := signals.SetupSignalHandler()
+
+	cfg, err := clientcmd.BuildConfigFromFlags(masterURL, kubeconfig)
+	if err != nil {
+		glog.Fatalf("Error building kubeconfig: %s", err.Error())
+	}
+
+	kubeClient, err := kubernetes.NewForConfig(cfg)
+	if err != nil {
+		glog.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())
+	}
+
+	kubeInformerFactory := kubeinformers.NewSharedInformerFactory(kubeClient, time.Second*30)
+	exampleInformerFactory := informers.NewSharedInformerFactory(exampleClient, time.Second*30)
+
+	controller := NewController(kubeClient, exampleClient, kubeInformerFactory, exampleInformerFactory)
+
+	go kubeInformerFactory.Start(stopCh)
+	go exampleInformerFactory.Start(stopCh)
+
+	if err = controller.Run(2, stopCh); err != nil {
+		glog.Fatalf("Error running controller: %s", err.Error())
+	}
+}
+
+func init() {
+	flag.StringVar(&kubeconfig, "kubeconfig", "", "Path to a kubeconfig. Only required if out-of-cluster.")
+	flag.StringVar(&masterURL, "master", "", "The address of the Kubernetes API server. Overrides any value in kubeconfig. Only required if out-of-cluster.")
+}