Forked from lrakai/lambda-aws-ssm-run-command-on-ec2-instance.py
Created
October 23, 2022 14:05
-
-
Save felixekwoge/4f8d540172bb1c6f3868bd3af4ecd895 to your computer and use it in GitHub Desktop.
Run commands on EC2 instances using Lambda and Systems Manager (SendCommand)
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import boto3 | |
| import botocore | |
| import time | |
| def handler(event=None, context=None): | |
| client = boto3.client('ssm') | |
| instance_id = 'i-07362a00952fca213' # hard-code for example | |
| response = client.send_command( | |
| InstanceIds=[instance_id], | |
| DocumentName='AWS-RunShellScript', | |
| Parameters={ | |
| 'commands': [ | |
| # Simple test if a file exists | |
| 'if [ -e /etc/hosts ]; then echo -n True; else echo -n False; fi' | |
| ] | |
| } | |
| ) | |
| command_id = response['Command']['CommandId'] | |
| tries = 0 | |
| output = 'False' | |
| while tries < 10: | |
| tries = tries + 1 | |
| try: | |
| time.sleep(0.5) # some delay always required... | |
| result = client.get_command_invocation( | |
| CommandId=command_id, | |
| InstanceId=instance_id, | |
| ) | |
| if result['Status'] == 'InProgress': | |
| continue | |
| output = result['StandardOutputContent'] | |
| break | |
| except client.exceptions.InvocationDoesNotExist: | |
| continue | |
| return output == 'True' |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment