Ansible: AWS EC2 instance control scripts

Scripts for starting and stopping AWS EC2 instances. You can place these scripts in your cron and manage instance usage during weekends for example.

Requirements

• Make scripts executables

chmod +x ec2_start_instances.yml
chmod +x ec2_stop_instances.yml

• Ansible

• boto3

• Or just run:

virtualenv pyenv
pip install -r requirements.txt

• Rename and complete variable scripts

mv vars/aws_config-sample.yml vars/aws_config.yml
mv vars/ec2_instances-sample.yml vars/ec2_instances.yml

Variables

AWS credentials

• aws_config.yml

Variable file

• ec2_instances.yml
• AWS region:

region: eu-west-1

• Instance IDs to control:

instance_ids:
  - i-XXXXXX
  - i-XXXXXX

• Project name for control over vars/ec2_instances<project>.yml

project: '_myProject'

Running

• Start instances

./ec2_start_instances.yml
# or
./ec2_start_instances.yml -e project=<project>

• Stop instances

./ec2_stop_instances.yml
# or
./ec2_stop_instances.yml -e project=<project>

Examples

Edit /etc/crontab and place the following lines for auto stop-start on the weekends. With vars/ec2_instances_myProject.yml:

0 1 15 ? * FRI *  ./ec2_stop_instances.yml -e project=_myProject
0 1 9 ? * MON *   ./ec2_start_instances.yml -e project=_myProject

• HELP

Author

• Carles San Agustin - carlessanagustin.com
• MIT License