Merge pull request kosmos-io#678 from duanmengkk/v0.4.0-0811-4

cherry-pick: add direct sync service feature

Author: duanmengkk

cmd/clustertree/cluster-manager/app/manager.go

@@ -24,6 +24,7 @@ import (
 	podcontrollers "github.com/kosmos.io/kosmos/pkg/clustertree/cluster-manager/controllers/pod"
 	"github.com/kosmos.io/kosmos/pkg/clustertree/cluster-manager/controllers/pv"
 	"github.com/kosmos.io/kosmos/pkg/clustertree/cluster-manager/controllers/pvc"
+	"github.com/kosmos.io/kosmos/pkg/clustertree/cluster-manager/controllers/svc"
 	nodeserver "github.com/kosmos.io/kosmos/pkg/clustertree/cluster-manager/node-server"
 	leafUtils "github.com/kosmos.io/kosmos/pkg/clustertree/cluster-manager/utils"
 	"github.com/kosmos.io/kosmos/pkg/scheme"
@@ -289,6 +290,31 @@ func run(ctx context.Context, opts *options.Options) error {
 		}
 	}
 
+	// init direct sync service and endpointslice controller
+	if opts.DirectClusterService {
+		simpleSyncServiceController := &svc.SimpleSyncServiceController{
+			RootClient:              mgr.GetClient(),
+			GlobalLeafManager:       globalLeafResourceManager,
+			GlobalLeafClientManager: globalLeafClientManager,
+			AutoCreateMCSPrefix:     opts.AutoCreateMCSPrefix,
+			ReservedNamespaces:      opts.ReservedNamespaces,
+		}
+		if err := simpleSyncServiceController.SetupWithManager(mgr); err != nil {
+			return fmt.Errorf("error starting %s: %v", svc.SimpleSyncServiceControllerName, err)
+		}
+
+		simpleSyncEpsController := &svc.SimpleSyncEPSController{
+			RootClient:              mgr.GetClient(),
+			GlobalLeafManager:       globalLeafResourceManager,
+			GlobalLeafClientManager: globalLeafClientManager,
+			AutoCreateMCSPrefix:     opts.AutoCreateMCSPrefix,
+			ReservedNamespaces:      opts.ReservedNamespaces,
+			BackoffOptions:          opts.BackoffOpts,
+		}
+		if err := simpleSyncEpsController.SetupWithManager(mgr); err != nil {
+			return fmt.Errorf("error starting %s: %v", svc.SimpleSyncEPSControllerName, err)
+		}
+	}
 	go func() {
 		if err = mgr.Start(ctx); err != nil {
 			klog.Errorf("failed to start controller manager: %v", err)

cmd/clustertree/cluster-manager/app/options/options.go

@@ -25,11 +25,12 @@ const (
 )
 
 type Options struct {
-	LeaderElection      componentbaseconfig.LeaderElectionConfiguration
-	KubernetesOptions   KubernetesOptions
-	ListenPort          int32
-	DaemonSetController bool
-	MultiClusterService bool
+	LeaderElection       componentbaseconfig.LeaderElectionConfiguration
+	KubernetesOptions    KubernetesOptions
+	ListenPort           int32
+	DaemonSetController  bool
+	MultiClusterService  bool
+	DirectClusterService bool
 
 	// If MultiClusterService is disabled, the clustertree will rewrite the dnsPolicy configuration for pods deployed in
 	// the leaf clusters, directing them to the root cluster's CoreDNS, thus facilitating access to services across all
@@ -88,6 +89,7 @@ func (o *Options) AddFlags(flags *pflag.FlagSet) {
 	flags.Int32Var(&o.ListenPort, "listen-port", 10250, "Listen port for requests from the kube-apiserver.")
 	flags.BoolVar(&o.DaemonSetController, "daemonset-controller", false, "Turn on or off daemonset controller.")
 	flags.BoolVar(&o.MultiClusterService, "multi-cluster-service", false, "Turn on or off mcs support.")
+	flags.BoolVar(&o.DirectClusterService, "direct-cluster-service", false, "Turn on or off direct cluster service.")
 	flags.StringVar(&o.RootCoreDNSServiceNamespace, "root-coredns-service-namespace", CoreDNSServiceNamespace, "The namespace of the CoreDNS service in the root cluster, used to locate the CoreDNS service when MultiClusterService is disabled.")
 	flags.StringVar(&o.RootCoreDNSServiceName, "root-coredns-service-name", CoreDNSServiceName, "The name of the CoreDNS service in the root cluster, used to locate the CoreDNS service when MultiClusterService is disabled.")
 	flags.BoolVar(&o.OnewayStorageControllers, "oneway-storage-controllers", false, "Turn on or off oneway storage controllers.")

pkg/clustertree/cluster-manager/cluster_controller.go

@@ -234,7 +234,9 @@ func (c *ClusterController) clearClusterControllers(cluster *kosmosv1alpha1.Clus
 	delete(c.ManagerCancelFuncs, cluster.Name)
 	delete(c.ControllerManagers, cluster.Name)
 
+	actualClusterName := leafUtils.GetActualClusterName(cluster)
 	c.GlobalLeafResourceManager.RemoveLeafResource(cluster.Name)
+	c.GlobalLeafClientManager.RemoveLeafClientResource(actualClusterName)
 }
 
 func (c *ClusterController) setupControllers(
@@ -252,6 +254,7 @@ func (c *ClusterController) setupControllers(
 		Namespace:            "",
 		IgnoreLabels:         strings.Split("", ","),
 		EnableServiceAccount: true,
+		IPFamilyType:         cluster.Spec.ClusterLinkOptions.IPFamily,
 	}, nodes)
 
 	c.GlobalLeafClientManager.AddLeafClientResource(&leafUtils.LeafClientResource{
@@ -283,11 +286,12 @@ func (c *ClusterController) setupControllers(
 
 	if c.Options.MultiClusterService {
 		serviceImportController := &mcs.ServiceImportController{
-			LeafClient:          mgr.GetClient(),
-			LeafKosmosClient:    leafKosmosClient,
-			EventRecorder:       mgr.GetEventRecorderFor(mcs.LeafServiceImportControllerName),
-			Logger:              mgr.GetLogger(),
-			LeafNodeName:        cluster.Name,
+			LeafClient:       mgr.GetClient(),
+			LeafKosmosClient: leafKosmosClient,
+			EventRecorder:    mgr.GetEventRecorderFor(mcs.LeafServiceImportControllerName),
+			Logger:           mgr.GetLogger(),
+			LeafNodeName:     cluster.Name,
+			// todo Null pointer exception ?
 			IPFamilyType:        cluster.Spec.ClusterLinkOptions.IPFamily,
 			RootResourceManager: c.RootResourceManager,
 			ReservedNamespaces:  c.Options.ReservedNamespaces,