Merge pull request #621 from 27149chen/cherry-pick-615

[release/0.7] add featureGate IgnoreLeaseSync to stop sync leases.coordination.k8s.io

Author: Iceber

pkg/synchromanager/clustersynchro/resource_negotiator.go

@@ -87,6 +87,14 @@ func (negotiator *ResourceNegotiator) NegotiateSyncResources(syncResources []clu
 	for _, groupResources := range syncResources {
 		for _, resource := range groupResources.Resources {
 			syncGR := schema.GroupResource{Group: groupResources.Group, Resource: resource}
+
+			if clusterpediafeature.FeatureGate.Enabled(features.IgnoreLeaseSync) {
+				// skip leases.coordination.k8s.io
+				if syncGR.String() == "leases.coordination.k8s.io" {
+					continue
+				}
+			}
+
 			apiResource, supportedVersions := negotiator.dynamicDiscovery.GetAPIResourceAndVersions(syncGR)
 			if apiResource == nil || len(supportedVersions) == 0 {
 				continue

pkg/synchromanager/features/features.go

@@ -45,6 +45,13 @@ const (
 	// owner: @iceber
 	// alpha: v0.6.0
 	HealthCheckerWithStandaloneTCP featuregate.Feature = "HealthCheckerWithStandaloneTCP"
+
+	// IgnoreLeaseSync is a feature gate for the ClusterSynchro to skip syncing leases.coordination.k8s.io,
+	// if you enable this feature, these resources will not be synced no matter what `syncResources` are defined.
+	//
+	// owner: @27149chen
+	// alpha: v0.8.0
+	IgnoreLeaseSync featuregate.Feature = "IgnoreLeaseSync"
 )
 
 func init() {
@@ -59,4 +66,5 @@ var defaultClusterSynchroManagerFeatureGates = map[featuregate.Feature]featurega
 	AllowSyncAllCustomResources:    {Default: false, PreRelease: featuregate.Alpha},
 	AllowSyncAllResources:          {Default: false, PreRelease: featuregate.Alpha},
 	HealthCheckerWithStandaloneTCP: {Default: false, PreRelease: featuregate.Alpha},
+	IgnoreLeaseSync:                {Default: false, PreRelease: featuregate.Alpha},
 }