main.go

package main

import (
	"flag"
	"path/filepath"
	"time"

	"k8s.io/client-go/informers"
	"k8s.io/client-go/kubernetes"
	"k8s.io/client-go/tools/clientcmd"
	"k8s.io/client-go/util/homedir"
)

func main() {
	var kubeconfig *string
	if home := homedir.HomeDir(); home != "" {
		kubeconfig = flag.String("kubeconfig", filepath.Join(home, ".kube", "config"), "Absoluture Path to the Kubeconfig")
	} else {
		kubeconfig = flag.String("kubeconfig", "", "absolute path to the kubeconfig file")
	}
	flag.Parse()

	config, err := clientcmd.BuildConfigFromFlags("", *kubeconfig)
	if err != nil {
		panic(err)
	}
	// create kubernetes clientset
	clientset, err := kubernetes.NewForConfig(config)
	if err != nil {
		panic(err)
	}

	// Create SHAred Informer Factory

	informers := informers.NewSharedInformerFactory(clientset, 10*time.Minute)
	c := newController(clientset, informers.Apps().V1().Deployments())

	// start the informer
	ch := make(<-chan struct{})
	informers.Start(ch)
	c.run(ch)
}