K8S Application Notes - Deployment of Dolphinscheduler and Simple Application (2) Alarm Notification

1. Objectives of this chapter

• In the demonstrated Dolphinscheduleralarm notification function, SQLthe result set returned by the task component query is specified as the email notification content (supports three templates: table, attachment, or table attachment).

2. Preconditions

• DolphinschedulerDeployment completed
  • For K8S cluster deployment, please refer to the article: K8S Application Notes - Deploying Dolphinscheduler and Simple Applications (1)
    
  • For other deployment forms, please refer to the official website: Deployment Guide

3. Prepare the mailbox

To use DolphinSchedulerthe email alarm notification function of , you need to prepare an email account and enable SMTPthe service.

This article takes QQthe mailbox as an example to introduce the opening steps and configuration

3.1 Open SMTP service

Drag the progress bar to find the content shown in the figure below at the bottom of the page, and start POP3/IMAP/SMTP/Exchange/CardDAV/CalDAV服务any service.

3.2 Obtain an authorization code

Follow the instructions to bind the mobile phone or send verification, and finally get the following authorization code:

Four, Dolphinscheduler configuration

4.1 Create an alarm instance

Switch to administrator user login, in Security Center - Alarm Instance Management - Create Alarm Instance.

Notes (take QQemail as an example):

• SMTP端口：587
• SMTP服务器：smtp.qq.com

4.2 Configure alarm group

In Security Center - Alarm Group Management - create/modify alarm instances.

Edit the alarm group name, select an alarm group instance, and add an alarm group description.

4.3 SQL task component configuration

Use the content of the previous chapter: Deploying Dolphinscheduler and simple applications based on the K8S environmentSQL to modify the task components in the process definition :

4.4 Running effect