Jenkins-start-stop-instances

How to start/stop instances or perform others actions on AWS using Jenkins

Pre requisites

install EC2 plugin

• Install plugin "Amazon EC2 plugin"

Configure Credentials

• Go to Jenkins Credentials
• Add Credential
• Select "AWS credential" from kind drop down
• Paste Access key and Secret Key

Install AWS CLI on Jenkins Server

• sudo apt install awscli

Jenkins JOB

Create a New Freestyle Project

• On the Jenkins dashboard, click on New Item.
• Enter a name for your project, select Freestyle project, and click OK.

Configure the Project

• In the General section, add a description if needed.
• Add Build Step to Start EC2 Instance
• Scroll down to the Build section.
• Click Add build step and choose Execute shell (for Linux) or Execute Windows batch command (for Windows).
• In the command area, enter the AWS CLI command to start your EC2 instance. For example:

aws ec2 start-instances --instance-ids i-0536e7d06b1a96b21 --region ap-south-1

• save project and build

Create scheduler for Job

• Build triggers define cron
• to run every morning at 6AM

* 6 * * *

Troubleshooting Job not running on scheduled time

• Set timezone to IST on Jenkins Server

sudo timedatectl set-timezone Asia/Kolkata

• Check changes

timedatectl status

• restart Jenkins

sudo systemctl restart jenkins