change alpha-endpoint-reconciler-type to endpoint-reconciler-type

* Putting 'experimental' or 'alpha' into names has been known to cause issues during promotion

Author: Ryan Phillips

cmd/kube-apiserver/app/options/options.go

@@ -166,7 +166,7 @@ func (s *ServerRunOptions) AddFlags(fs *pflag.FlagSet) {
 	fs.IntVar(&s.MasterCount, "apiserver-count", s.MasterCount,
 		"The number of apiservers running in the cluster, must be a positive number.")
 
-	fs.StringVar(&s.EndpointReconcilerType, "alpha-endpoint-reconciler-type", string(s.EndpointReconcilerType),
+	fs.StringVar(&s.EndpointReconcilerType, "endpoint-reconciler-type", string(s.EndpointReconcilerType),
 		"Use an endpoint reconciler ("+strings.Join(reconcilers.AllTypes.Names(), ", ")+")")
 
 	// See #14282 for details on how to test/try this option out.

cmd/kube-apiserver/app/options/options_test.go

@@ -46,7 +46,6 @@ func TestAddFlags(t *testing.T) {
 		"--admission-control-config-file=/admission-control-config",
 		"--advertise-address=192.168.10.10",
 		"--allow-privileged=false",
-		"--alpha-endpoint-reconciler-type=" + string(reconcilers.MasterCountReconcilerType),
 		"--anonymous-auth=false",
 		"--apiserver-count=5",
 		"--audit-log-maxage=11",
@@ -72,6 +71,7 @@ func TestAddFlags(t *testing.T) {
 		"--enable-aggregator-routing=true",
 		"--enable-logs-handler=false",
 		"--enable-swagger-ui=true",
+		"--endpoint-reconciler-type=" + string(reconcilers.MasterCountReconcilerType),
 		"--etcd-quorum-read=false",
 		"--etcd-keyfile=/var/run/kubernetes/etcd.key",
 		"--etcd-certfile=/var/run/kubernetes/etcdce.crt",