Files
aws-inventory/aws-subnets.py
T
2026-01-23 10:23:45 +08:00

46 lines
1.4 KiB
Python
Executable File

#!/usr/bin/env python3
r"""
Documentation
License: This program is released under the MIT License
"""
# Imports
import boto3
import concurrent.futures
from openpyxl import load_workbook
from openpyxl.worksheet.worksheet import Worksheet
import projectlib.aws
def getResources(region_name: str) -> list[list[str | int]]:
return_data = []
client = boto3.client('ec2', region_name=region_name)
response = client.describe_subnets()
for i in response['Subnets']:
default_vpc_check = client.describe_vpcs(VpcIds=[i['VpcId']])
for v in default_vpc_check['Vpcs']:
return_data.append([i['SubnetId'], i['VpcId'], i['CidrBlock'], i['AvailabilityZone'], v['IsDefault']])
return return_data
# Main function
def main() -> None:
# Open spreadsheet and add a sheet
wb = load_workbook('aws-inventory.xlsx')
ws = wb.create_sheet("Subnets")
ws.append(["SubnetId", "VpcId", "CidrBlock", "AvailabilityZone", "InDefaultVpc"])
with concurrent.futures.ThreadPoolExecutor(max_workers=8) as executor:
results = executor.map(getResources, projectlib.aws.getRegions())
for region_rows in results:
# append to worksheet only if resoruces are found in the region
if region_rows:
for row in region_rows:
ws.append(row)
wb.save('aws-inventory.xlsx')
# Call main function
if __name__ == '__main__':
main()