Created
January 14, 2022 14:31
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AWS Lambda Bulk Export
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| """ | |
| Ensure you ahve already run `aws configure` and set up your access/secret keys then run this on your desktop | |
| """ | |
| import os | |
| import sys | |
| from urllib.request import urlopen | |
| import zipfile | |
| from io import BytesIO | |
| import json | |
| import boto3 | |
| def get_lambda_functions_code_url(): | |
| client = boto3.client("lambda") | |
| lambda_functions = [lambda_func for lambda_func in client.list_functions().get("Functions")] | |
| functions_code_url = [] | |
| for lambda_func in lambda_functions: | |
| fn_code = client.get_function(FunctionName=lambda_func.get("FunctionName")) | |
| functions_code_url.append({ | |
| "FunctionName": lambda_func.get("FunctionName"), | |
| "FunctionCodeLocation": fn_code.get("Code").get("Location") | |
| }) | |
| return functions_code_url | |
| def download_lambda_function_code(fn_name, fn_code_link, dir_path): | |
| function_path = os.path.join(dir_path, fn_name) | |
| if not os.path.exists(function_path): | |
| os.mkdir(function_path) | |
| with urlopen(fn_code_link) as lambda_extract: | |
| with zipfile.ZipFile(BytesIO(lambda_extract.read())) as zfile: | |
| zfile.extractall(function_path) | |
| if __name__ == "__main__": | |
| inp = sys.argv[1:] | |
| print("Destination folder {}".format(inp)) | |
| if inp and os.path.exists(inp[0]): | |
| dest = os.path.abspath(inp[0]) | |
| fc = get_lambda_functions_code_url() | |
| print(f"There are {len(fc)} lambda functions") | |
| for item in fc: | |
| print(f"Download {item.get('FunctionName')}") | |
| download_lambda_function_code(item.get("FunctionName"), item.get("FunctionCodeLocation"), dest) | |
| else: | |
| print("Destination folder doesn't exist") |
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