I have been working on deploying resources to a lot of AWS accounts lately where each account has the same network infrastructure. When deploying Lambdas, I had the common name of the security group but not the ID. I wrote this utility to get the security group ID for me quickly.
import boto3 import sys def get_security_group_id(common_name): ec2 = boto3.client("ec2", region_name="us-west-2") response = ec2.describe_security_groups() for security_group in response['SecurityGroups']: if security_group['GroupName'] == common_name: return security_group['GroupId'] if __name__ == '__main__': if sys.argv == "help" or sys.argv == "--help" or sys.argv == "usage" or sys.argv == "--usage": print("USAGE: python3 main.py <security group name>") else: sg_id = get_security_group_id(sys.argv) if sg_id == None: print("Security Group Not found") else: print(sg_id)
This is a simple tool that can be used on your command line by doing:
python3 main.py <security group name>
I hope this helps speed up your deployments. Feel free to share the code with your friends and team!
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