Remove --service-sync-period flag which was not in use

cmd/controller-manager/app/options/utils.go

@@ -63,7 +63,6 @@ func GetDefaultControllerOptions(port int32) componentconfig.KubeControllerManag
 		ConcurrentDeploymentSyncs:                       5,
 		ConcurrentNamespaceSyncs:                        10,
 		ConcurrentSATokenSyncs:                          5,
-		ServiceSyncPeriod:                               metav1.Duration{Duration: 5 * time.Minute},
 		RouteReconciliationPeriod:                       metav1.Duration{Duration: 10 * time.Second},
 		ResourceQuotaSyncPeriod:                         metav1.Duration{Duration: 5 * time.Minute},
 		NamespaceSyncPeriod:                             metav1.Duration{Duration: 5 * time.Minute},

cmd/kube-controller-manager/app/options/options.go

@@ -80,7 +80,6 @@ func (s *CMServer) AddFlags(fs *pflag.FlagSet, allControllers []string, disabled
 	fs.Int32Var(&s.ConcurrentDeploymentSyncs, "concurrent-deployment-syncs", s.ConcurrentDeploymentSyncs, "The number of deployment objects that are allowed to sync concurrently. Larger number = more responsive deployments, but more CPU (and network) load")
 	fs.Int32Var(&s.ConcurrentNamespaceSyncs, "concurrent-namespace-syncs", s.ConcurrentNamespaceSyncs, "The number of namespace objects that are allowed to sync concurrently. Larger number = more responsive namespace termination, but more CPU (and network) load")
 	fs.Int32Var(&s.ConcurrentSATokenSyncs, "concurrent-serviceaccount-token-syncs", s.ConcurrentSATokenSyncs, "The number of service account token objects that are allowed to sync concurrently. Larger number = more responsive token generation, but more CPU (and network) load")
-	fs.DurationVar(&s.ServiceSyncPeriod.Duration, "service-sync-period", s.ServiceSyncPeriod.Duration, "The period for syncing services with their external load balancers")
 	fs.DurationVar(&s.NodeSyncPeriod.Duration, "node-sync-period", 0, ""+
 		"This flag is deprecated and will be removed in future releases. See node-monitor-period for Node health checking or "+
 		"route-reconciliation-period for cloud provider's route configuration settings.")

pkg/apis/componentconfig/types.go

@@ -226,9 +226,6 @@ type KubeControllerManagerConfiguration struct {
 	ConcurrentSATokenSyncs int32
 	// lookupCacheSizeForRC is the size of lookup cache for replication controllers.
 	// Larger number = more responsive replica management, but more MEM load.
-	// serviceSyncPeriod is the period for syncing services with their external
-	// load balancers.
-	ServiceSyncPeriod metav1.Duration
 	// nodeSyncPeriod is the period for syncing nodes from cloudprovider. Longer
 	// periods will result in fewer calls to cloud provider, but may delay addition
 	// of new nodes to cluster.