Merge pull request #9302 from dominikbraun/#9297-reason-for-missing-config-permissions

Return ExHostPermission for insufficient config file permissions

cmd/minikube/cmd/start.go

@@ -157,9 +157,14 @@ func runStart(cmd *cobra.Command, args []string) {
 		out.WarningT("Profile name '{{.name}}' is not valid", out.V{"name": ClusterFlagValue()})
 		exit.Message(reason.Usage, "Only alphanumeric and dashes '-' are permitted. Minimum 1 character, starting with alphanumeric.")
 	}
+
 	existing, err := config.Load(ClusterFlagValue())
 	if err != nil && !config.IsNotExist(err) {
-		exit.Message(reason.HostConfigLoad, "Unable to load config: {{.error}}", out.V{"error": err})
+		kind := reason.HostConfigLoad
+		if config.IsPermissionDenied(err) {
+			kind = reason.HostHomePermission
+		}
+		exit.Message(kind, "Unable to load config: {{.error}}", out.V{"error": err})
 	}
 
 	if existing != nil {

pkg/minikube/config/config.go

@@ -80,6 +80,24 @@ func IsNotExist(err error) bool {
 	return false
 }
 
+// ErrPermissionDenied is the error returned when the config cannot be read
+// due to insufficient permissions
+type ErrPermissionDenied struct {
+	s string
+}
+
+func (e *ErrPermissionDenied) Error() string {
+	return e.s
+}
+
+// IsPermissionDenied returns whether the error is a ErrPermissionDenied instance
+func IsPermissionDenied(err error) bool {
+	if _, ok := err.(*ErrPermissionDenied); ok {
+		return true
+	}
+	return false
+}
+
 // MinikubeConfig represents minikube config
 type MinikubeConfig map[string]interface{}
 
@@ -184,6 +202,9 @@ func (c *simpleConfigLoader) LoadConfigFromFile(profileName string, miniHome ...
 
 	data, err := ioutil.ReadFile(path)
 	if err != nil {
+		if os.IsPermission(err) {
+			return nil, &ErrPermissionDenied{err.Error()}
+		}
 		return nil, errors.Wrap(err, "read")
 	}
 

pkg/minikube/reason/known_issues.go

@@ -202,12 +202,7 @@ var hostIssues = []match{
 		GOOS:   []string{"linux"},
 	},
 	{
-		Kind: Kind{
-			ID:       "HOST_HOME_PERMISSION",
-			ExitCode: ExGuestPermission,
-			Advice:   "Your user lacks permissions to the minikube profile directory. Run: 'sudo chown -R $USER $HOME/.minikube; chmod -R u+wrx $HOME/.minikube' to fix",
-			Issues:   []int{9165},
-		},
+		Kind:   HostHomePermission,
 		Regexp: re(`/.minikube/.*: permission denied`),
 	},
 }

pkg/minikube/reason/reason.go

@@ -192,6 +192,13 @@ var (
 	HostHomeChown      = Kind{ID: "HOST_HOME_CHOWN", ExitCode: ExHostPermission}
 	HostBrowser        = Kind{ID: "HOST_BROWSER", ExitCode: ExHostError}
 	HostConfigLoad     = Kind{ID: "HOST_CONFIG_LOAD", ExitCode: ExHostConfig}
+	HostHomePermission = Kind{
+		ID:       "HOST_HOME_PERMISSION",
+		ExitCode: ExHostPermission,
+		Advice:   "Your user lacks permissions to the minikube profile directory. Run: 'sudo chown -R $USER $HOME/.minikube; chmod -R u+wrx $HOME/.minikube' to fix",
+		Issues:   []int{9165},
+	}
+
 	HostCurrentUser      = Kind{ID: "HOST_CURRENT_USER", ExitCode: ExHostConfig}
 	HostDelCache         = Kind{ID: "HOST_DEL_CACHE", ExitCode: ExHostError}
 	HostKillMountProc    = Kind{ID: "HOST_KILL_MOUNT_PROC", ExitCode: ExHostError}