Created
June 28, 2016 13:47
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Docker: Do some cleaning
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| #! /usr/bin/env bash | |
| set -o errexit | |
| _docker="$(which docker)" | |
| rm_docker_exited_containers() | |
| { | |
| printf "Removing exited docker containers...\n" | |
| _docker_exited=($($_docker ps -a -f status=exited -q)) | |
| [[ "${#_docker_exited[@]}" > 0 ]] && | |
| printf "${_docker_exited[*]}" | xargs -L1 "${_docker}" rm -v | |
| printf "Done\n" | |
| } | |
| rm_docker_dangling_images() | |
| { | |
| printf "Removing dangling images...\n" | |
| _docker_dangling_imgs=($($_docker images --no-trunc -q -f dangling=true)) | |
| [[ "${#_docker_dangling_imgs[@]}" > 0 ]] && | |
| printf "${_docker_dangling_imgs[*]}" | xargs -L1 "${_docker}" rmi | |
| printf "Done\n" | |
| } | |
| rm_docker_unused_images() | |
| { | |
| printf "Removing unused docker images\n" | |
| _docker_images=($($_docker images --digests | awk '(NR > 1) \ | |
| { img_id=$1 | |
| if ( $2 != "<none>") | |
| img_id=img_id":"$2 | |
| if ($3 != "<none>") | |
| img_id=img_id"@"$3 | |
| print img_id | |
| } | |
| ')) | |
| _docker_containers=($($_docker ps -a | awk '( NR > 1 ) { print $2 }')) | |
| for item in "${_docker_images[@]}"; do | |
| [[ ! "${_docker_containers[@]}" =~ "${item}" ]] && | |
| remove+=("${item}") | |
| done | |
| [[ "${#remove[@]}" > 0 ]] && | |
| printf ${remove[*]} | xargs "${_docker}" rmi | |
| printf "Done\n" | |
| } | |
| rm_docker_exited_containers && | |
| rm_docker_dangling_images && | |
| rm_docker_unused_images |
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