Merge pull request #8110 from vvbogdanov87/validate-cluster-kubeconfig

Add kubeconfig flag to validate cluster command

cmd/kops/validate_cluster.go

@@ -48,8 +48,9 @@ func init() {
 }
 
 type ValidateClusterOptions struct {
-	output string
-	wait   time.Duration
+	output     string
+	wait       time.Duration
+	kubeconfig string
 }
 
 func (o *ValidateClusterOptions) InitDefaults() {
@@ -80,6 +81,7 @@ func NewCmdValidateCluster(f *util.Factory, out io.Writer) *cobra.Command {
 
 	cmd.Flags().StringVarP(&options.output, "output", "o", options.output, "Output format. One of json|yaml|table.")
 	cmd.Flags().DurationVar(&options.wait, "wait", options.wait, "If set, will wait for cluster to be ready")
+	cmd.Flags().StringVar(&options.kubeconfig, "kubeconfig", "", "Path to the kubeconfig file")
 
 	return cmd
 }
@@ -126,8 +128,12 @@ func RunValidateCluster(f *util.Factory, cmd *cobra.Command, args []string, out
 
 	// TODO: Refactor into util.Factory
 	contextName := cluster.ObjectMeta.Name
+	configLoadingRules := clientcmd.NewDefaultClientConfigLoadingRules()
+	if options.kubeconfig != "" {
+		configLoadingRules.ExplicitPath = options.kubeconfig
+	}
 	config, err := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
-		clientcmd.NewDefaultClientConfigLoadingRules(),
+		configLoadingRules,
 		&clientcmd.ConfigOverrides{CurrentContext: contextName}).ClientConfig()
 	if err != nil {
 		return nil, fmt.Errorf("Cannot load kubecfg settings for %q: %v", contextName, err)

docs/cli/kops_validate_cluster.md

@@ -30,9 +30,10 @@ kops validate cluster [flags]
 ### Options
 
 ```
-  -h, --help            help for cluster
-  -o, --output string   Output format. One of json|yaml|table. (default "table")
-      --wait duration   If set, will wait for cluster to be ready
+  -h, --help                help for cluster
+      --kubeconfig string   Path to the kubeconfig file
+  -o, --output string       Output format. One of json|yaml|table. (default "table")
+      --wait duration       If set, will wait for cluster to be ready
 ```
 
 ### Options inherited from parent commands