Added GREETING_MESSAGE config

README.md

@@ -115,6 +115,7 @@ Additionally, the following environment variables can be used:
 - `SLACK_USERNAME`: Override username to send
 - `SLACK_PROXY`: URL of HTTP proxy used to connect to Slack
 - `RECOVERY_ALERT`: Set to `false` to disable alert on pod recovery
+- `GREETING_MESSAGE`: Text to insert at begining message
 
 ## Annotations
 

config/custom-environment-variables.yaml

@@ -29,3 +29,4 @@ slack_url: SLACK_URL
 slack_channel: SLACK_CHANNEL
 slack_username: SLACK_USERNAME
 slack_proxy: SLACK_PROXY
+greeting_message: GREETING_MESSAGE

src/notify/slack.ts

@@ -28,11 +28,15 @@ export default class SlackNotifier {
 
 		let channel = item.channel || config.get('slack_channel');
 		let username = item.username || config.get('slack_username');
+		let message = item.text || 'Kubernetes Notification:';
+		if (config.has('greeting_message')) {
+			message = config.get('greeting_message') + "\n" + message;
+		}
 		delete item.channel;
 
 		return this.slack
 			.send({
-				text: item.text || 'Kubernetes Notification:',
+				text: message,
 				attachments: [item],
 				channel,
 				username