AWS-boto3_Stop_all_instances_at_time.py

# This will shut down all instances in all regions at 17:30

import boto3.ec2
from datetime import datetime
import time

region_list = []


if __name__ == "__main__":
    # Generate regions list
    for region in boto3.client('ec2').describe_regions()['Regions']:
        region_list.append(region['RegionName'])
    currenttime = datetime.now().time()

    # Shut down all EC2 instsances after 17:30
    if currenttime > datetime.time(17, 30):
        print 'It is after 17:30'
        for region in region_list:
            print 'checking region', region
            ec2 = boto3.resource('ec2', region)
            for instance in ec2.instances.all():
                print '  instance found:', instance
                state = instance.state['Name']
                print '    state:', state
                if instance.state['Name'] == 'running':
                    print '    Shutting down instance', instance.id
                    instance.stop(instance.id)
                    while state != 'stopped':
                        print '    state:', state
                        time.sleep(5)
                    print '    state:', state
    else:
        print 'It is before 17:30'