Stop / Start EC2 Instance on a schedule

Introduction

This approach depends on three components.

• AWS IAM for rights
• Lambda to execute the code
• Event bridge to execute the lambda code

Setup rights

Create a policy

• Launch the IAM Console

• Click Policies

• Click Creare policy

• Select JSON (Blue button, top right)

• edit the section and paste the following between the square brackets in the statement.

{
   "Version": "2012-10-17",
   "Statement": [
       {
           "Effect": "Allow",
           "Action": [
               "logs:CreateLogGroup",
               "logs:CreateLogStream",
               "logs:PutLogEvents"
           ],
           "Resource": "arn:aws:logs:*:*:*"
       },
       {
           "Effect": "Allow",
           "Action": [
               "ec2:Start*",
               "ec2:Stop*"
           ],
           "Resource": "*"
       }
   ]
}

• Name the polcy EC2_StartStop

Create a role

• In IAM, Click Roles.

• Select AWS Service

• Select Lambda from the dropdown

• Select Next

• Search for and select EC2_StsartStop

• Name the policy Lambda_StartStop