🚀 Support disabling startup message for notifications channels (#233)

README.md

@@ -100,6 +100,7 @@ kubectl apply -f https://raw.githubusercontent.com/abahmed/kwatch/v0.8.3/deploy/
 |:------------------------------|:------------------------------------------- |
 | `app.proxyURL` | used in outgoing http(s) requests except Kubernetes requests to cluster optionally |
 | `app.clusterName` | used in notifications to indicate which cluster has issue |
+| `app.disableStartupMessage` | If set to true, welcome message will not be sent to notification channels |
 
 ### Upgrader
 

config/config.go

@@ -58,6 +58,10 @@ type App struct {
 	// ClusterName to used in notifications to indicate which cluster has
 	// issue
 	ClusterName string `yaml:"clusterName"`
+
+	// DisableUpdateCheck if set to true, welcome message will not be
+	// sent to configured notification channels
+	DisableStartupMessage bool `yaml:"disableStartupMessage"`
 }
 
 // Upgrader confing struct

main.go

@@ -28,8 +28,10 @@ func main() {
 	alertManager := alertmanager.AlertManager{}
 	alertManager.Init(config.Alert, &config.App)
 
-	// send notification to providers
-	alertManager.Notify(fmt.Sprintf(constant.WelcomeMsg, version.Short()))
+	if !config.App.DisableStartupMessage {
+		// send notification to providers
+		alertManager.Notify(fmt.Sprintf(constant.WelcomeMsg, version.Short()))
+	}
 
 	// check and notify if newer versions are available
 	upgrader := upgrader.NewUpgrader(&config.Upgrader, &alertManager)