code-dumps/aws/lambda-ec2StartStop.py

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2022-06-22 09:49:12 +08:00
import boto3
import logging
import os
import json
import time
# reference: https://aws.amazon.com/premiumsupport/knowledge-center/start-stop-lambda-eventbridge/
ec2 = boto3.client('ec2', region_name=os.environ['region_name'])
def lambda_handler(event, context):
ec2.start_instances(InstanceIds=json.loads(os.environ['instances']))
time.sleep(5)
print("Instance state after lambda execution:")
ec2Array = []
response = ec2.describe_instances(InstanceIds=json.loads(os.environ['instances']))
for r in response['Reservations']:
for i in r['Instances']:
for t in i['Tags']:
if t['Key'] == 'Name':
ec2Array.append({'id': i['InstanceId'], 'name': t['Value'], 'state': i['State']['Name']})
print(json.dumps(ec2Array))
return ec2Array