shutdown

#!/usr/bin/env bash

set -e

ENVFILE="$(dirname $(realpath $0))/setenv"
if [[ -f $ENVFILE ]]; then
    . $ENVFILE
fi

VERBOSE=false

usage() { echo "$0 usage: $0 [-c] [-v] [-h] [GROUP NAME]"; }
usage_long() {
    echo "  -c  clean up everything, including images and networks"
    echo "  -v  enable verbose output"
    echo "  -h  show this help"
}


while getopts ':hcv' OPTION; do
    case "$OPTION" in
        c)
            CLEAN=1
        ;;
        
        v)
            VERBOSE=true
        ;;
        
        h)
            usage
            usage_long
            exit 0
        ;;
        
        ?)
            usage
            usage_long
            exit 1
        ;;
    esac
done

if ! [ -x "$(command -v podman)" ]; then
    echo "podman is not installed" >&2
    exit 1
fi

RUNNING_PODS=$(podman ps -a --filter=label=$LABEL.version --format {{.ID}})

if [[ -n $RUNNING_PODS ]]; then
    $VERBOSE && echo -n "Stopping containers... "
    MSG=$(podman rm -f $RUNNING_PODS)
    [[ $? -eq 0 ]] && $VERBOSE && echo OK || echo $MSG
fi

if [[ -n $CLEAN ]]; then
    if [[ -n $(podman network ls -f "name=$NETWORK" --format {{.ID}}) ]]; then
        $VERBOSE && echo -n "Removing network... "
        podman network rm $NETWORK > /dev/null
        [[ $? -eq 0 ]] && $VERBOSE && echo OK
    fi
    
    $VERBOSE && echo -n "Removing image... "
    podman image rm $(podman image list --filter label=$LABEL.version=$VERSION --format {{.ID}}) > /dev/null
    [[ $? -eq 0 ]] && $VERBOSE && echo OK
fi