| /* |
| 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" |
| |
| "k8s.io/klog" |
| |
| "k8s.io/client-go/informers" |
| cloudprovider "k8s.io/cloud-provider" |
| ) |
| |
| // 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 { |
| klog.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 |
| } |