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#!/bin/bash
##############################################################################
# Copyright (c) 2017 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
usage="Script to clear up dockers and their images.
usage:
bash $(basename "$0") [-h|--help] [-d|--docker <docker name>] [--debug]
where:
-h|--help show the help text
-d|--docker specify dockers' name
<docker name> keyword of dockers' name used to find dockers
e.g. keyword "bottlenecks" to find "opnfv/bottlenecks:*"
--debug print debug information with default false
examples:
$(basename "$0")
$(basename "$0") -d bottlenecks --debug"
clnup_debug=false
while [[ $#>0 ]]; do
clnup_docr="$1"
case $clnup_docr in
-h|--help)
echo "$usage"
exit 0
shift
;;
-d|--docker)
docker_name="$2"
shift
if [[ $2 == "--debug" ]]; then
clnup_debug=true
shift
fi
;;
--debug)
clnup_debug=true
shift
if [[ "$1" == "-d" || "$1" == "--docker" ]]; then
docker_name="$2"
shift
fi
;;
*)
echo "unknow options $1 $2 $3"
exit 1
;;
esac
shift
done
# check if docker name is empty
if [[ $docker_name == "" ]]; then
echo empty docker name
exit 1
fi
# clean up dockers and their images with keyword in their names
[[ $clnup_debug == true ]] && redirect="/dev/stdout" || redirect="/dev/null"
echo "$docker_name: docker containers/images cleaning up"
dangling_images=($(docker images -f "dangling=true" | grep $docker_name | awk '{print $3}'))
if [[ -n $dangling_images ]]; then
echo "Removing $docker_name:<none> dangling images and their containers"
docker images | head -1 && docker images | grep $dangling_images
for image_id in "${dangling_images[@]}"; do
echo "$docker_name: Removing dangling image $image_id"
docker rmi -f $image_id >${redirect}
done
fi
for image_id in "${dangling_images[@]}"; do
if [[ -n $(docker ps -a | grep $image_id) ]]; then
echo "$docker_name: Removing containers associated with dangling image: $image_id"
docker ps -a | head -1 && docker ps -a | grep $image_id
docker ps -a | grep $image_id | awk '{print $1}'| xargs docker rm -f >${redirect}
fi
done
if [[ -n $(docker ps -a | grep $docker_name) ]]; then
echo "Removing existing $docker_name containers"
docker ps -a | head -1 && docker ps -a | grep $docker_name
docker ps -a | grep $docker_name | awk '{print $1}' | xargs docker rm -f >$redirect
fi
if [[ -n $(docker images | grep $docker_name) ]]; then
echo "$docker_name: docker images to remove:"
docker images | head -1 && docker images | grep $docker_name
image_ids=($(docker images | grep $docker_name | awk '{print $3}'))
for image_id in "${image_ids[@]}"; do
echo "Removing docker image $docker_name:$tag..."
docker rmi $image_id >$redirect
done
fi
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