add cloud-controller-manager as the first step in breaking controller-manager

cmd/cloud-controller-manager/controller-manager.go

@@ -0,0 +1,64 @@
+/*
+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.
+*/
+
+// The external controller manager is responsible for running controller loops that
+// are cloud provider dependent. It uses the API to listen for new events on resources.
+
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"k8s.io/kubernetes/cmd/cloud-controller-manager/app"
+	"k8s.io/kubernetes/cmd/cloud-controller-manager/app/options"
+	_ "k8s.io/kubernetes/pkg/client/metrics/prometheus" // for client metric registration
+	"k8s.io/kubernetes/pkg/cloudprovider"
+	_ "k8s.io/kubernetes/pkg/cloudprovider/providers"
+	"k8s.io/kubernetes/pkg/healthz"
+	"k8s.io/kubernetes/pkg/util/flag"
+	"k8s.io/kubernetes/pkg/util/logs"
+	_ "k8s.io/kubernetes/pkg/version/prometheus" // for version metric registration
+	"k8s.io/kubernetes/pkg/version/verflag"
+
+	"github.com/golang/glog"
+	"github.com/spf13/pflag"
+)
+
+func init() {
+	healthz.DefaultHealthz()
+}
+
+func main() {
+	s := options.NewExternalCMServer()
+	s.AddFlags(pflag.CommandLine)
+
+	flag.InitFlags()
+	logs.InitLogs()
+	defer logs.FlushLogs()
+
+	verflag.PrintAndExitIfRequested()
+
+	cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile)
+	if err != nil {
+		glog.Fatalf("Cloud provider could not be initialized: %v", err)
+	}
+
+	if err := app.Run(s, cloud); err != nil {
+		fmt.Fprintf(os.Stderr, "%v\n", err)
+		os.Exit(1)
+	}
+}