feat(alerting): Show/hide alerting UI using configuration variable

Use configuration variable "show_alerting_ui" to show/hide alerting UI

conf/defaults.ini

@@ -397,6 +397,7 @@ global_session = -1
 [alerting]
 # Makes it possible to turn off alert rule execution.
 execute_alerts = true
+show_alerting_ui = true
 
 #################################### Internal Grafana Metrics ############
 # Metrics available at HTTP API Url /api/metrics

pkg/api/frontendsettings.go

@@ -140,6 +140,7 @@ func getFrontendSettingsMap(c *middleware.Context) (map[string]interface{}, erro
 		"allowOrgCreate":    (setting.AllowUserOrgCreate && c.IsSignedIn) || c.IsGrafanaAdmin,
 		"authProxyEnabled":  setting.AuthProxyEnabled,
 		"ldapEnabled":       setting.LdapEnabled,
+		"showAlertingUI":    setting.ShowAlertingUI,
 		"buildInfo": map[string]interface{}{
 			"version":       setting.BuildVersion,
 			"commit":        setting.BuildCommit,

pkg/api/index.go

@@ -103,7 +103,7 @@ func setIndexViewData(c *middleware.Context) (*dtos.IndexViewData, error) {
 		Children: dashboardChildNavs,
 	})
 
-	if c.OrgRole == m.ROLE_ADMIN || c.OrgRole == m.ROLE_EDITOR {
+	if setting.ShowAlertingUI && (c.OrgRole == m.ROLE_ADMIN || c.OrgRole == m.ROLE_EDITOR) {
 		alertChildNavs := []*dtos.NavLink{
 			{Text: "Alert List", Url: setting.AppSubUrl + "/alerting/list"},
 			{Text: "Notification channels", Url: setting.AppSubUrl + "/alerting/notifications"},

pkg/setting/setting.go

@@ -149,7 +149,8 @@ var (
 	Quota QuotaSettings
 
 	// Alerting
-	ExecuteAlerts bool
+	ExecuteAlerts   bool
+	ShowAlertingUI  bool
 
 	// logger
 	logger log.Logger
@@ -573,6 +574,7 @@ func NewConfigContext(args *CommandLineArgs) error {
 
 	alerting := Cfg.Section("alerting")
 	ExecuteAlerts = alerting.Key("execute_alerts").MustBool(true)
+	ShowAlertingUI = alerting.Key("show_alerting_ui").MustBool(true)
 
 	readSessionConfig()
 	readSmtpSettings()

public/app/plugins/panel/graph/module.ts

@@ -132,7 +132,9 @@ class GraphCtrl extends MetricsPanelCtrl {
     this.addEditorTab('Axes', axesEditorComponent, 2);
     this.addEditorTab('Legend', 'public/app/plugins/panel/graph/tab_legend.html', 3);
     this.addEditorTab('Display', 'public/app/plugins/panel/graph/tab_display.html', 4);
-    this.addEditorTab('Alert', alertTab, 5);
+    if (config.showAlertingUI) {
+      this.addEditorTab('Alert', alertTab, 5);
+    }
 
     this.subTabIndex = 0;
   }