vendor updates

vendor/k8s.io/kubernetes/cmd/kube-controller-manager/app/cloudproviders.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 (
+	"fmt"
+
+	"github.com/golang/glog"
+
+	"k8s.io/client-go/informers"
+	"k8s.io/kubernetes/pkg/cloudprovider"
+)
+
+// createCloudProvider helps consolidate what is needed for cloud providers, we explicitly list the things
+// that the cloud providers need as parameters, so we can control
+func createCloudProvider(cloudProvider string, externalCloudVolumePlugin string, cloudConfigFile string,
+	allowUntaggedCloud bool, sharedInformers informers.SharedInformerFactory) (cloudprovider.Interface, ControllerLoopMode, error) {
+	var cloud cloudprovider.Interface
+	var loopMode ControllerLoopMode
+	var err error
+	if cloudprovider.IsExternal(cloudProvider) {
+		loopMode = ExternalLoops
+		if externalCloudVolumePlugin == "" {
+			// externalCloudVolumePlugin is temporary until we split all cloud providers out.
+			// So we just tell the caller that we need to run ExternalLoops without any cloud provider.
+			return nil, loopMode, nil
+		}
+		cloud, err = cloudprovider.InitCloudProvider(externalCloudVolumePlugin, cloudConfigFile)
+	} else {
+		loopMode = IncludeCloudLoops
+		cloud, err = cloudprovider.InitCloudProvider(cloudProvider, cloudConfigFile)
+	}
+	if err != nil {
+		return nil, loopMode, fmt.Errorf("cloud provider could not be initialized: %v", err)
+	}
+
+	if cloud != nil && cloud.HasClusterID() == false {
+		if allowUntaggedCloud == true {
+			glog.Warning("detected a cluster without a ClusterID.  A ClusterID will be required in the future.  Please tag your cluster to avoid any future issues")
+		} else {
+			return nil, loopMode, fmt.Errorf("no ClusterID Found.  A ClusterID is required for the cloud provider to function properly.  This check can be bypassed by setting the allow-untagged-cloud option")
+		}
+	}
+
+	if informerUserCloud, ok := cloud.(cloudprovider.InformerUser); ok {
+		informerUserCloud.SetInformers(sharedInformers)
+	}
+	return cloud, loopMode, err
+}