Supporting Mizu view from given url (#312)

* Supporting Mizu view from given url

cli/cmd/view.go

@@ -25,4 +25,7 @@ func init() {
 	defaults.Set(&defaultViewConfig)
 
 	viewCmd.Flags().Uint16P(configStructs.GuiPortViewName, "p", defaultViewConfig.GuiPort, "Provide a custom port for the web interface webserver")
+	viewCmd.Flags().StringP(configStructs.UrlViewName, "u", defaultViewConfig.Url, "Provide a custom host")
+
+	viewCmd.Flags().MarkHidden(configStructs.UrlViewName)
 }

cli/cmd/viewRunner.go

@@ -24,6 +24,9 @@ func runMizuView() {
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
 
+	url := config.Config.View.Url
+
+	if url == "" {
 		exists, err := kubernetesProvider.DoesServicesExist(ctx, config.Config.MizuResourcesNamespace, mizu.ApiServerPodName)
 		if err != nil {
 			logger.Log.Errorf("Failed to found mizu service %v", err)
@@ -36,7 +39,7 @@ func runMizuView() {
 			return
 		}
 
-	url := GetApiServerUrl()
+		url = GetApiServerUrl()
 
 		response, err := http.Get(fmt.Sprintf("%s/", url))
 		if err == nil && response.StatusCode == 200 {
@@ -50,8 +53,10 @@ func runMizuView() {
 			logger.Log.Errorf(uiUtils.Error, fmt.Sprintf("Couldn't connect to API server, for more info check logs at %s", logger.GetLogFilePath()))
 			return
 		}
+	}
 
 	logger.Log.Infof("Mizu is available at %s\n", url)
+
 	openBrowser(url)
 	if isCompatible, err := version.CheckVersionCompatibility(); err != nil {
 		logger.Log.Errorf("Failed to check versions compatibility %v", err)

cli/config/configStructs/viewConfig.go

@@ -2,8 +2,10 @@ package configStructs
 
 const (
 	GuiPortViewName = "gui-port"
+	UrlViewName     = "url"
 )
 
 type ViewConfig struct {
 	GuiPort uint16 `yaml:"gui-port" default:"8899"`
+	Url     string `yaml:"url,omitempty" readonly:""`
 }