如何批量安全删除镜像？
公司业务在生产环境100多台服务器上用了docker，可是最近发现，每个服务器上的各种镜像好多好乱，有没有什么办法可以批量安全地删除？
查看其它 1 个回答胶东牛国磊的回答
!/bin/shCleanup 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.
# NOTE: \"[0-9a-f]{12}\" does not work with GNU Awk 3.1.7 (RHEL6).
# Ref: https://github.com/blueyed/dotfiles/commit/a14f0b4b#commitcomment-6736470
docker ps -a | tail -n +2 | awk \'$2 ~ \"^[0-9a-f]+$\" {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 == \"\" {print $\'$1\'}\'
docker images | tail -n +2 | awk \'$1 == \"\" {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
if [ -n \"$1\" ]; then
echo \"Cleanup docker files: remove untagged containers and images.\"
echo \"Usage: ${0##*/} [-n]\"
echo \" -n: dry run: display what would get removed.\"
exit 1
fi
Remove containers with untagged images.echo \"Removing containers:\" >&2
untagged_containers 1 | xargs --no-run-if-empty docker rm --volumes=true
Remove untagged imagesecho \"Removing images:\" >&2
untagged_images 3 | xargs --no-run-if-empty docker rmi
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.
# NOTE: \"[0-9a-f]{12}\" does not work with GNU Awk 3.1.7 (RHEL6).
# Ref: https://github.com/blueyed/dotfiles/commit/a14f0b4b#commitcomment-6736470
docker ps -a | tail -n +2 | awk \'$2 ~ \"^[0-9a-f]+$\" {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 == \"
docker images | tail -n +2 | awk \'$1 == \"
}
Dry-run.if [ \"$1\" = \"-n\" ]; then
echo \"=== Containers with uncommitted images: ===\"
untagged_containers 0
echo
echo \"=== Uncommitted images: ===\"
untagged_images 0
exit
fi
if [ -n \"$1\" ]; then
echo \"Cleanup docker files: remove untagged containers and images.\"
echo \"Usage: ${0##*/} [-n]\"
echo \" -n: dry run: display what would get removed.\"
exit 1
fi
Remove containers with untagged images.echo \"Removing containers:\" >&2
untagged_containers 1 | xargs --no-run-if-empty docker rm --volumes=true
Remove untagged imagesecho \"Removing images:\" >&2
untagged_images 3 | xargs --no-run-if-empty docker rmi
这是是我用了好久的代码了，可以把你说的乱七八糟没用的image都删掉
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