vendor updates

vendor/k8s.io/kubernetes/cmd/controller-manager/app/serve.go

@@ -0,0 +1,63 @@
+/*
+Copyright 2018 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 (
+	"net/http"
+	goruntime "runtime"
+	"time"
+
+	"github.com/prometheus/client_golang/prometheus"
+
+	genericapifilters "k8s.io/apiserver/pkg/endpoints/filters"
+	apirequest "k8s.io/apiserver/pkg/endpoints/request"
+	genericfilters "k8s.io/apiserver/pkg/server/filters"
+	"k8s.io/apiserver/pkg/server/healthz"
+	"k8s.io/apiserver/pkg/server/mux"
+	"k8s.io/apiserver/pkg/server/routes"
+	"k8s.io/kubernetes/pkg/api/legacyscheme"
+	"k8s.io/kubernetes/pkg/util/configz"
+)
+
+type serveFunc func(handler http.Handler, shutdownTimeout time.Duration, stopCh <-chan struct{}) error
+
+// Serve creates a base handler chain for a controller manager. It runs the
+// the chain with the given serveFunc.
+func Serve(c *CompletedConfig, serveFunc serveFunc, stopCh <-chan struct{}) error {
+	mux := mux.NewPathRecorderMux("controller-manager")
+	healthz.InstallHandler(mux)
+	if c.ComponentConfig.EnableProfiling {
+		routes.Profiling{}.Install(mux)
+		if c.ComponentConfig.EnableContentionProfiling {
+			goruntime.SetBlockProfileRate(1)
+		}
+	}
+	configz.InstallHandler(mux)
+	mux.Handle("/metrics", prometheus.Handler())
+
+	requestContextMapper := apirequest.NewRequestContextMapper()
+	requestInfoResolver := &apirequest.RequestInfoFactory{}
+	failedHandler := genericapifilters.Unauthorized(requestContextMapper, legacyscheme.Codecs, false)
+
+	handler := genericapifilters.WithAuthorization(mux, requestContextMapper, c.Authorization.Authorizer, legacyscheme.Codecs)
+	handler = genericapifilters.WithAuthentication(handler, requestContextMapper, c.Authentication.Authenticator, failedHandler)
+	handler = genericapifilters.WithRequestInfo(handler, requestInfoResolver, requestContextMapper)
+	handler = apirequest.WithRequestContext(handler, requestContextMapper)
+	handler = genericfilters.WithPanicRecovery(handler)
+
+	return serveFunc(handler, 0, stopCh)
+}