only log cloud provider deprecation warning for in-tree components

Signed-off-by: Andrew Sy Kim <[email protected]>

Author: andrewsykim

cmd/kube-apiserver/app/server.go

@@ -228,6 +228,8 @@ func CreateNodeDialer(s completedServerRunOptions) (tunneler.Tunneler, *http.Tra
 	if len(s.SSHUser) > 0 {
 		// Get ssh key distribution func, if supported
 		var installSSHKey tunneler.InstallSSHKey
+
+		cloudprovider.DeprecationWarningForProvider(s.CloudProvider.CloudProvider)
 		cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider.CloudProvider, s.CloudProvider.CloudConfigFile)
 		if err != nil {
 			return nil, nil, fmt.Errorf("cloud provider could not be initialized: %v", err)

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

@@ -41,6 +41,8 @@ func createCloudProvider(cloudProvider string, externalCloudVolumePlugin string,
 		}
 		cloud, err = cloudprovider.InitCloudProvider(externalCloudVolumePlugin, cloudConfigFile)
 	} else {
+		cloudprovider.DeprecationWarningForProvider(cloudProvider)
+
 		loopMode = IncludeCloudLoops
 		cloud, err = cloudprovider.InitCloudProvider(cloudProvider, cloudConfigFile)
 	}

cmd/kubelet/app/server.go

@@ -520,6 +520,7 @@ func run(s *options.KubeletServer, kubeDeps *kubelet.Dependencies, featureGate f
 
 	if kubeDeps.Cloud == nil {
 		if !cloudprovider.IsExternal(s.CloudProvider) {
+			cloudprovider.DeprecationWarningForProvider(s.CloudProvider)
 			cloud, err := cloudprovider.InitCloudProvider(s.CloudProvider, s.CloudConfigFile)
 			if err != nil {
 				return err

staging/src/k8s.io/cloud-provider/plugins.go

@@ -91,6 +91,22 @@ func IsExternal(name string) bool {
 	return name == externalCloudProvider
 }
 
+func DeprecationWarningForProvider(providerName string) {
+	for _, provider := range deprecatedCloudProviders {
+		if provider.name != providerName {
+			continue
+		}
+
+		detail := provider.detail
+		if provider.external {
+			detail = fmt.Sprintf("Please use 'external' cloud provider for %s: %s", providerName, provider.detail)
+		}
+
+		klog.Warningf("WARNING: %s built-in cloud provider is now deprecated. %s", providerName, detail)
+		break
+	}
+}
+
 // InitCloudProvider creates an instance of the named cloud provider.
 func InitCloudProvider(name string, configFilePath string) (Interface, error) {
 	var cloud Interface
@@ -106,18 +122,6 @@ func InitCloudProvider(name string, configFilePath string) (Interface, error) {
 		return nil, nil
 	}
 
-	for _, provider := range deprecatedCloudProviders {
-		if provider.name == name {
-			detail := provider.detail
-			if provider.external {
-				detail = fmt.Sprintf("Please use 'external' cloud provider for %s: %s", name, provider.detail)
-			}
-			klog.Warningf("WARNING: %s built-in cloud provider is now deprecated. %s", name, detail)
-
-			break
-		}
-	}
-
 	if configFilePath != "" {
 		var config *os.File
 		config, err = os.Open(configFilePath)