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Run scripts in response to Docker events.

Project Description

Run scripts in response to Docker events.

https://circleci.com/gh/colebrumley/des.svg?style=svg

Version: 0.1.3 Author: Cole Brumley

Overview

Use the des command to monitor Docker for events. When an event occurs, des executes a script with the event metadata exported to the environment.

Installation / Usage

To install use pip:

pip install docker-event-scripts

The script directory is defined via the -d flag, and defaults to /etc/docker/events.d. Scripts should be placed in sub-directories in the format SCRIPT_DIR/EVENT_TYPE/EVENT and should be marked executable.

The environment variables set during each script run are a flattened version of the raw API event dictionary. If you’re writing a script for an event you’re unfamiliar with, you may want to run it once with printenv to see what’s available.

See the Docker docs for the full list of possible events.

To generate a full directory structure with dummy scripts for every event, run des -c.

Contributing

Please submit issues or pull requests via the GitHub repo.

Example

Using the default script directory, when this example container was started using docker run -it --rm alpine sh, the script at /etc/docker/events.d/container/start was executed with the following environment:

ACTION=start ACTOR_ATTRIBUTES_IMAGE=alpine TIME=1471131434 ACTOR_ID=467730e17a0ac265eae034d21cf633755aa57d03483ae479b623bc5569d6c274 STATUS=start ACTOR_ATTRIBUTES_NAME=backstabbing_lichterman ID=467730e17a0ac265eae034d21cf633755aa57d03483ae479b623bc5569d6c274 FROM=alpine TYPE=container TIMENANO=1471131434853322607

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