Files
kubesphere/cmd/ks-network/main.go
2019-08-08 18:39:00 +08:00

66 lines
2.2 KiB
Go

package main
import (
"flag"
"time"
"github.com/projectcalico/libcalico-go/lib/apiconfig"
"github.com/projectcalico/libcalico-go/lib/clientv3"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/rest"
"k8s.io/klog"
"kubesphere.io/kubesphere/pkg/client/clientset/versioned"
ksinformer "kubesphere.io/kubesphere/pkg/client/informers/externalversions"
"kubesphere.io/kubesphere/pkg/controller/network/nsnetworkpolicy"
"kubesphere.io/kubesphere/pkg/controller/network/provider"
)
const (
certPath = "/calicocerts"
)
var npProviderFlag string
func init() {
flag.StringVar(&npProviderFlag, "np-provider", "calico", "specify the network policy provider, k8s or calico")
}
func main() {
klog.InitFlags(nil)
flag.Set("logtostderr", "true")
flag.Parse()
klog.V(1).Info("Preparing kubernetes client")
config, err := rest.InClusterConfig()
if err != nil {
panic(err.Error())
}
// creates the clientset
k8sClientset := kubernetes.NewForConfigOrDie(config)
ksClientset := versioned.NewForConfigOrDie(config)
informer := ksinformer.NewSharedInformerFactory(ksClientset, time.Minute*10)
klog.V(1).Info("Kubernetes client initialized successfully")
var npProvider provider.NsNetworkPolicyProvider
if npProviderFlag == "calico" {
klog.V(1).Info("Preparing calico client")
config := apiconfig.NewCalicoAPIConfig()
config.Spec.EtcdEndpoints = "https://127.0.0.1:2379"
config.Spec.EtcdKeyFile = certPath + "/etcd-key"
config.Spec.EtcdCertFile = certPath + "/etcd-cert"
config.Spec.EtcdCACertFile = certPath + "/etcd-ca"
config.Spec.DatastoreType = apiconfig.EtcdV3
client, err := clientv3.New(*config)
if err != nil {
klog.Fatal("Failed to initialize calico client", err)
}
npProvider = provider.NewCalicoNetworkProvider(client.NetworkPolicies())
klog.V(1).Info("Calico client initialized successfully")
}
//TODO: support no-calico cni
c := nsnetworkpolicy.NewController(k8sClientset, ksClientset, informer.Network().V1alpha1().NamespaceNetworkPolicies(), npProvider)
stop := make(chan struct{})
klog.V(1).Infof("Starting controller")
go informer.Network().V1alpha1().NamespaceNetworkPolicies().Informer().Run(stop)
if err := c.Run(1, stop); err != nil {
klog.Fatal(err)
}
}