Skip to content

Latest commit

 

History

History
43 lines (29 loc) · 1.09 KB

README.md

File metadata and controls

43 lines (29 loc) · 1.09 KB

EC2-Scheduler-Terraform

https://medium.com/@gardarr/reducing-aws-ec2-operating-costs-using-a-lambda-scheduler-833d4f19857

Author: Gar Lee

Problem: EC2s are billed hourly and are often unused during off-hours. This creates an inflated operating cost and is usually overlooked.

Solution: Stand up AWS Lambda with Cloudwatch cron triggers to execute start/stop commands given an existing EC2 instance ID.

Performance:

Buildtime and runtime on Python 3.7

Deployed code bundle size is < 1kb

Highly reusable across all planes

IAM Permissions

ec2:StartInstances
ec2:StopInstances

Usage

1. AWS Credentials

  $ touch env.list
  $ cat env.list
  > AWS_REGION=YOUR_REGION
    AWS_ACCESS_KEY_ID=YOUR_ACCESS_KEY_ID
    AWS_SECRET_ACCESS_KEY=YOUR_SECRET_ACCESS_KEY

2. Build/Package/Deploy using Docker

  sh docker-deploy.sh <lambda-assume-role-arn> <ec2-instance-id>

Notes

By default, the start time for EC2 is 8AM PDT and stop time is at 10PM PDT. Parameterization feature will be included soon!