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| #!/bin/bash | |
| # This script kills running containers, old stopped containers, | |
| # and dangling images. | |
| # Set -e exits the script if any command has a non-zero exit status | |
| # Set -u returns an error when a variable is unknown instead of silently ignore it | |
| # Set -o pipefail prevents errors in a pipeline (sequence of |) from being masked | |
| set -euo pipefail | |
| IFS=$'\n\t' | |
| DOCKER_BIN=$(which docker.io 2> /dev/null || which docker 2> /dev/null) | |
| if [ -z "$DOCKER_BIN" ] ; then | |
| echo "Docker is not installed" | |
| exit 1 | |
| fi | |
| printf "\n>>> Stop all docker containers...\n" | |
| tostop=$($DOCKER_BIN ps -q) | |
| if [ "$tostop" ]; then | |
| $DOCKER_BIN kill $tostop | |
| fi | |
| echo -e "[OK]\n" | |
| printf "\n>>> Kill all stopped docker containers...\n" | |
| tokill=$($DOCKER_BIN ps -aq) | |
| if [ "$tokill" ]; then | |
| $DOCKER_BIN rm -v $tokill | |
| fi | |
| echo -e "[OK]\n" | |
| printf "\n>>> Remove dangling docker images...\n" | |
| toremove=$($DOCKER_BIN images -q -f "dangling=true") | |
| if [ "${toremove}" ]; then | |
| $DOCKER_BIN rmi $toremove | |
| fi | |
| echo -e "[OK]\n" |
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