start-grafana-renderer.sh

#!/usr/bin/env bash

. versions.sh
if [ -f env.sh ]; then
	. env.sh
fi

VERSION="$GRAFANA_RENDERER_VERSION"
DOCKER_PARAM=""
GRAFANA_NAME="agrafrender"
BIND_ADDRESS=""
GRAFANA_RENDPORT="8081"

usage="$(basename "$0") [-h] [-D encapsulate docker param] -- Start the grafana render container"
LIMITS=""
VOLUMES=""
PARAMS=""
for arg; do
	shift
	if [ -z "$LIMIT" ]; then
		case $arg in
		--limit)
			LIMIT="1"
			;;
		--volume)
			LIMIT="1"
			VOLUME="1"
			;;
		--param)
			LIMIT="1"
			PARAM="1"
			;;
		*)
			set -- "$@" "$arg"
			;;
		esac
	else
		DOCR=$(echo $arg | cut -d',' -f1)
		VALUE=$(echo $arg | cut -d',' -f2- | sed 's/#/ /g')
		NOSPACE=$(echo $arg | sed 's/ /#/g')
		if [ "$PARAM" = "1" ]; then
			if [ -z "${DOCKER_PARAMS[$DOCR]}" ]; then
				DOCKER_PARAMS[$DOCR]=""
			fi
			DOCKER_PARAMS[$DOCR]="${DOCKER_PARAMS[$DOCR]} $VALUE"
			PARAMS="$PARAMS --param $NOSPACE"
			unset PARAM
		else
			if [ -z "${DOCKER_LIMITS[$DOCR]}" ]; then
				DOCKER_LIMITS[$DOCR]=""
			fi
			if [ "$VOLUME" = "1" ]; then
				SRC=$(echo $VALUE | cut -d':' -f1)
				DST=$(echo $VALUE | cut -d':' -f2-)
				SRC=$(readlink -m $SRC)
				DOCKER_LIMITS[$DOCR]="${DOCKER_LIMITS[$DOCR]} -v $SRC:$DST"
				VOLUMES="$VOLUMES --volume $NOSPACE"
				unset VOLUME
			else
				DOCKER_LIMITS[$DOCR]="${DOCKER_LIMITS[$DOCR]} $VALUE"
				LIMITS="$LIMITS --limit $NOSPACE"
			fi
		fi
		unset LIMIT
	fi
done
while getopts ':hlg:D:' option; do
	case "$option" in
	h)
		echo "$usage"
		exit
		;;
	l)
		DOCKER_PARAM="$DOCKER_PARAM --net=host"
		;;
	D)
		DOCKER_PARAM="$DOCKER_PARAM $OPTARG"
		;;
	:)
		printf "missing argument for -%s\n" "$OPTARG" >&2
		echo "$usage" >&2
		exit 1
		;;
	\?)
		printf "illegal option: -%s\n" "$OPTARG" >&2
		echo "$usage" >&2
		exit 1
		;;
	esac
done

if [ "$(id -u)" -ne 0 ]; then
	GROUPID=$(id -g)
	USER_PERMISSIONS="-u $UID:$GROUPID"
fi

if [[ ! $DOCKER_PARAM = *"--net=host"* ]]; then
	PORT_MAPPING="-p $GRAFANA_RENDPORT:8081"
fi

docker run ${DOCKER_LIMITS["grafanarender"]} -d $DOCKER_PARAM -i $USER_PERMISSIONS $PORT_MAPPING \
	--name $GRAFANA_NAME docker.io/grafana/grafana-image-renderer:$VERSION \
	${DOCKER_PARAMS["grafanarender"]}