Wire in bootstrap and token controllers.

This adds these to the list of controllers the Controller Manager can start.  But as these are alpha, they are also currently disabled by default.

cmd/kube-controller-manager/app/BUILD

@@ -14,6 +14,7 @@ go_library(
         "apps.go",
         "autoscaling.go",
         "batch.go",
+        "bootstrap.go",
         "certificates.go",
         "controllermanager.go",
         "core.go",
@@ -42,6 +43,7 @@ go_library(
         "//pkg/cloudprovider/providers/photon:go_default_library",
         "//pkg/cloudprovider/providers/vsphere:go_default_library",
         "//pkg/controller:go_default_library",
+        "//pkg/controller/bootstrap:go_default_library",
         "//pkg/controller/certificates:go_default_library",
         "//pkg/controller/cronjob:go_default_library",
         "//pkg/controller/daemon:go_default_library",

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

@@ -0,0 +1,35 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package app
+
+import "k8s.io/kubernetes/pkg/controller/bootstrap"
+
+func startBootstrapSignerController(ctx ControllerContext) (bool, error) {
+	go bootstrap.NewBootstrapSigner(
+		ctx.ClientBuilder.ClientGoClientOrDie("bootstrap-signer"),
+		bootstrap.DefaultBootstrapSignerOptions(),
+	).Run(ctx.Stop)
+	return true, nil
+}
+
+func startTokenCleanerController(ctx ControllerContext) (bool, error) {
+	go bootstrap.NewTokenCleaner(
+		ctx.ClientBuilder.ClientGoClientOrDie("token-cleaner"),
+		bootstrap.DefaultTokenCleanerOptions(),
+	).Run(ctx.Stop)
+	return true, nil
+}

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

@@ -270,7 +270,10 @@ func KnownControllers() []string {
 	return sets.StringKeySet(newControllerInitializers()).List()
 }
 
-var ControllersDisabledByDefault = sets.NewString()
+var ControllersDisabledByDefault = sets.NewString(
+	"bootstrapsigner",
+	"tokencleaner",
+)
 
 func newControllerInitializers() map[string]InitFunc {
 	controllers := map[string]InitFunc{}
@@ -291,6 +294,8 @@ func newControllerInitializers() map[string]InitFunc {
 	controllers["cronjob"] = startCronJobController
 	controllers["certificatesigningrequests"] = startCSRController
 	controllers["ttl"] = startTTLController
+	controllers["bootstrapsigner"] = startBootstrapSignerController
+	controllers["tokencleaner"] = startTokenCleanerController
 
 	return controllers
 }