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main.go
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main.go
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package main
import (
"flag"
"log"
"path/filepath"
"time"
klient "github.com/utsab818/kluster/pkg/client/clientset/versioned"
kInfFac "github.com/utsab818/kluster/pkg/client/informers/internalversion"
"github.com/utsab818/kluster/pkg/controller"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/util/homedir"
)
// "github.com/utsab818/kluster/pkg/apis/utsab.dev/v1alpha1"
func main() {
var kubeconfig *string
if home := homedir.HomeDir(); home != "" {
kubeconfig = flag.String("kubeconfig", filepath.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file")
} else {
kubeconfig = flag.String("kubeconfig", "", "absolute path to the kubeconfig file")
}
flag.Parse()
config, err := clientcmd.BuildConfigFromFlags("", *kubeconfig)
if err != nil {
log.Printf("Building config from flags failed, %s, trying to build inclusterconfig", err.Error())
// inclusterconfig simply uses the serviceaccount that is mounted inside a podsss
config, err = rest.InClusterConfig()
if err != nil {
log.Printf("error %s building inclusterconfig", err.Error())
}
}
klientset, err := klient.NewForConfig(config)
if err != nil {
log.Printf("getting klient set %s\n", err.Error())
}
// fmt.Println(klientset)
// klusters, err := klientset.UtsabV1alpha1().Klusters("").List(context.Background(), metav1.ListOptions{})
// if err != nil {
// log.Printf("listing klusters %s\n", err.Error())
// }
// fmt.Printf("length of kluster is %d and name is %s\n", len(klusters.Items), klusters.Items[0].Name)
client, err := kubernetes.NewForConfig(config)
if err != nil {
log.Printf("getting std client %s\n", err.Error())
}
infoFactory := kInfFac.NewSharedInformerFactory(klientset, 20*time.Minute)
ch := make(chan struct{})
c := controller.NewController(client, klientset, infoFactory.Utsab().InternalVersion().Klusters())
//start informerfactory
infoFactory.Start(ch)
if err := c.Run(ch); err != nil {
log.Printf("error running controller %s\n", err.Error())
}
}