EC2 Power Manager for AWS Organizations

A Terraform module that enables automated starting and stopping of EC2 instances across multiple AWS accounts in an organization.

Features

• Multi-Account Support: Manage instances across multiple AWS accounts in your organization
• Flexible Scheduling: Configure when to start or stop instances using CloudWatch Event rules
• Tag-Based Filtering: Target specific instances based on tags
• Exclusion Support: Exclude critical instances from power management
• Notifications: Optional SNS notifications for power management events
• Cost Optimization: Reduce cloud costs by automatically stopping non-production instances during off-hours

Architecture

This module deploys:

1. A Lambda function in the management account
2. IAM roles in member accounts with permissions to control EC2 instances
3. CloudWatch Event rules for scheduling

Prerequisites

Before using this module, ensure you have:

1. AWS Organizations set up with the desired account structure
2. Permissions to create IAM roles across member accounts
3. Permissions to deploy Lambda functions in the management account

Usage

Basic Example

module "ec2_power_manager" {
  source = "github.com/amitlavidev/OrgEC2PowerManager"
  
  aws_region  = "us-east-1"
  name_prefix = "nonprod-power-mgr"
  action      = "stop"