List Lambda functions

(Based on photo by Valve Software / CC BY-SA 4.0)

Motivation

• Enumerate list of Lambda functions from every region.
• Detect "dead" or unused Lambda functions.

Setup

git clone [email protected]:epsagon/list-lambdas.git
cd list-lambdas/
pip install -r requirements.txt
python list_lambdas.py

Example Outputs

CLI:

CSV file:

Usage

Filter only Lambda functions that has not been active for the past 10 days:

python list_lambdas.py --inactive-days-filter 10

Print extended information to the screen (same as in the CSV file):

python list_lambdas.py --all

Sort by a chosen column (e.g. by last invocation time):

python list_lambdas.py --sort-by last-invocation

Output table (with extra data) to a CSV file:

python list_lambdas.py --csv lambdas.csv

Provide credentials:

python list_lambdas.py --token_key_id <access_key_id> --token_secret <secret_access_key>