117 lines
2.2 KiB
Bash
Executable File
117 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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function usage() {
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cat << EOF
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Usage: $0 [-hcCviIna]
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Prune Docker resources.
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If no option provided, defaults to -Cvn
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Options:
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-h Show this help and exits
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-c Remove stopped containers
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-C Remove all containers
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-v Remove unused volumes
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-i Remove build images
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-I Remove unused images
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-n Remove unused networks
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-a All of the above, equivalent of -CvIn
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EOF
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exit 0
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}
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function add_opt() {
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local RESULT
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RESULT="$1"
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for o in "$@"; do
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if [ "$((RESULT & o))" == 0 ]; then
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RESULT="$((RESULT + o))"
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fi
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done
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echo "$RESULT"
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}
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if ! [ -w '/var/run/docker.sock' ] && [ "$EUID" != 0 ]; then
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exec sudo -- "$0" "$@"
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fi
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c=1
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# C=2
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v=4
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i=8
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# I=16
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n=32
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# a="$((c + C + v + I + n))"
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CLEAN=0
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while getopts hcCviIna o; do
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case "$o" in
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h)
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usage
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;;
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c)
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CLEAN="$(add_opt "$CLEAN" "$c")"
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;;
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C)
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CLEAN="$(add_opt "$CLEAN" "$c")"
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CON_OPT='-f'
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;;
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v)
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CLEAN="$(add_opt "$CLEAN" "$v")"
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;;
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i)
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CLEAN="$(add_opt "$CLEAN" "$i")"
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;;
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I)
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CLEAN="$(add_opt "$CLEAN" "$i")"
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IMG_OPT='-a'
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;;
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n)
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CLEAN="$(add_opt "$CLEAN" "$n")"
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;;
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a)
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CLEAN="$(add_opt "$CLEAN" "$c" "$v" "$i" "$n")"
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CON_OPT='-f'
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IMG_OPT='-a'
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;;
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*)
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exit 1
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;;
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esac
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done
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if [ "$CLEAN" == 0 ]; then
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CLEAN="$((c + v + n))"
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CON_OPT="-f"
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fi
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VALUES=(
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"$((c + i + v + n))"
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"$((c + i + n))"
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"$v"
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"$i"
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"$n"
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)
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CON='container'
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PRUNE='prune -f'
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COMMANDS=(
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"docker system $PRUNE $IMG_OPT --volumes"
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"docker system $PRUNE $IMG_OPT"
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"docker volume $PRUNE"
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"docker image $PRUNE $IMG_OPT"
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"docker network $PRUNE"
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)
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if [ "$((CLEAN & "$c"))" == "$c" ]; then
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docker "$CON" ls -aq | xargs docker "$CON" rm "$CON_OPT" 2> /dev/null
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fi
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for idx in "${!VALUES[@]}"; do
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mask="${VALUES[$idx]}"
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if [ "$((CLEAN & mask))" == "$mask" ]; then
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bash -c "${COMMANDS[$idx]}"
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CLEAN="$((CLEAN - mask))"
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fi
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done
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