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jarfil/docker-update-prune.sh

Last active October 7, 2015 20:00
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  1. jarfil revised this gist Oct 7, 2015. 1 changed file with 2 additions and 2 deletions.
    4 changes: 2 additions & 2 deletions docker-update-prune.sh
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    Original file line number Diff line number Diff line change
    @@ -3,8 +3,8 @@
    # for every named image
    docker images | sed "1d" | cut -d " " -f1 | sort -n | uniq | grep -v '^<none>$' |
    while read f ; do
    # pull latest image
    docker pull "$f"
    # pull latest image, skip pruning if can't pull
    if ! docker pull "$f" ; then continue ; fi
    # get latest image id
    IMAGE_ID=`docker images "$f" | sed "1d;2q" | sed 's/^[^ ]* *[^ ]* *//;s/ .*$//'`
    if [ "x$IMAGE_ID" == "x" ] ; then continue ; fi
  2. jarfil revised this gist Oct 7, 2015. No changes.
  3. jarfil created this gist Oct 7, 2015.
    19 changes: 19 additions & 0 deletions docker-update-prune.sh
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,19 @@
    #!/bin/bash

    # for every named image
    docker images | sed "1d" | cut -d " " -f1 | sort -n | uniq | grep -v '^<none>$' |
    while read f ; do
    # pull latest image
    docker pull "$f"
    # get latest image id
    IMAGE_ID=`docker images "$f" | sed "1d;2q" | sed 's/^[^ ]* *[^ ]* *//;s/ .*$//'`
    if [ "x$IMAGE_ID" == "x" ] ; then continue ; fi
    # remove all except latest and IMAGE_ID
    docker images "$f" | sed "1d" | grep -v " latest " | sed 's/^[^ ]* *[^ ]* *//;s/ .*$//' | sort | uniq | grep -v "$IMAGE_ID" |
    while read g ; do
    echo docker rmi $g
    done
    done

    # remove all "unnamed && unused"
    docker images -a | grep '^<none>' | sed "s/^<none> *<none> *//;s/ .*//" | xargs -n1 docker rmi