Cleanup Dood

dood_cleanup.sh

#!/bin/sh

str_in_list() {
    str="$1"
    shift
    list="$@"
    if test "${list#*$str}" != "$list"
    then
        return 0    # $str is in $list
    else
        return 1    # $str is not in $list
    fi
}

# detects containers not referencing the current si-build-context image
get_deletable_containers () {
    candidates=$(docker ps -a --filter status=created --filter name=si-build-  -q)
    containers_to_retain=$(docker ps -a --filter status=created --filter name=si-build- --filter ancestor=si-build-context -q)

    for cid in ${candidates} ; do
        str_in_list ${cid} ${containers_to_retain} || printf %s\\n "$cid";
    done
}

# detects volumes not containing 'data' in their name
get_deletable_volumes () {
    candidates=$(docker volume ls --filter dangling=true -q)
#    containers_to_retain=$(docker volume ls --filter dangling=true --filter name=.*data.* -q)
    containers_to_retain=()

    for cid in ${candidates} ; do
        str_in_list ${cid} ${containers_to_retain} || printf %s\\n "$cid";
    done
}

deletable_containers=$(get_deletable_containers)

deletable_volumes=$(get_deletable_volumes)

echo "deleting containers (including their anonymous volumes)..."
docker rm -v ${deletable_containers}

echo "deleting images..."
docker rmi $(docker images --filter dangling=true -q)

echo "deleting volumes..."
docker volume rm ${deletable_volumes}

#with TeamCity (running in Docker) spawning other builder containers