List Lambdas functions
(Based on photo by Valve Software / CC BY-SA 4.0)
Motivation
- Read our blog post, "The curse of dead Lambda functions".
- Enumerate list of Lambda functions from every region.
- Detect "dead" or unused Lambda functions.
Setup
git clone https://github.com/epsagon/list-lambdas
cd list-lambdas/
pip install -r requirements.txt
python list_lambdas.py
Docker
git clone https://github.com/epsagon/list-lambdas
cd list-lambdas/
docker build -t list_lambdas:latest .
docker run --rm -v $HOME/.aws:/root/.aws -t list_lambdas:latest --profile myprofile
Example Outputs
CLI:
CSV file:
Usage
Filter only Lambda functions that have not been active in the last 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>