Created
May 13, 2014 15:38
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docker clean up(got from https://raw.githubusercontent.com/blueyed/dotfiles/master/usr/bin/docker-cleanup)
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#!/bin/sh | |
# Cleanup docker files: untagged containers and images. | |
# | |
# Use `docker-cleanup -n` for a dry run to see what would be deleted. | |
untagged_containers() { | |
# Print containers using untagged images: $1 is used with awk's print: 0=line, 1=column 1. | |
docker ps -a | awk '$2 ~ "[0-9a-f]{12}" {print $'$1'}' | |
} | |
untagged_images() { | |
# Print untagged images: $1 is used with awk's print: 0=line, 3=column 3. | |
# NOTE: intermediate images (via -a) seem to only cause | |
# "Error: Conflict, foobarid wasn't deleted" messages. | |
# Might be useful sometimes when Docker messed things up?! | |
# docker images -a | awk '$1 == "<none>" {print $'$1'}' | |
docker images | awk '$1 == "<none>" {print $'$1'}' | |
} | |
# Dry-run. | |
if [ "$1" = "-n" ]; then | |
echo "=== Containers with uncommitted images: ===" | |
untagged_containers 0 | |
echo | |
echo "=== Uncommitted images: ===" | |
untagged_images 0 | |
exit | |
fi | |
# Remove containers with untagged images. | |
echo "Removing containers:" >&2 | |
untagged_containers 1 | xargs --no-run-if-empty docker rm --volumes=true | |
# Remove untagged images | |
echo "Removing images:" >&2 | |
untagged_images 3 | xargs --no-run-if-empty docker rmi |
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