#!/sbin/openrc-run
# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

export GRAPHITE_CONF_DIR=/etc/carbon
export GRAPHITE_STORAGE_DIR=/var/lib/carbon

INSTANCE=${SVCNAME#*.}
if [ "${INSTANCE}" = "${SVCNAME}" ]; then
	INSTANCE="a"
fi

PIDFILE="/var/run/${SVCNAME}.pid"
PROGRAMNAME=${SVCNAME%%.*}

CARBON_CONFIG=${CARBON_CONFIG:-/etc/carbon/carbon.conf}

depend() {
	use net
}


start_pre() {
	if [ ! -f ${CARBON_CONFIG} ] ; then
		eend "Missing ${CARBON_CONFIG}"
	fi
	case "${PROGRAMNAME}" in
		"carbon-relay" )
			if `grep -q "^RELAY_METHOD = rules$" ${CARBON_CONFIG}`; then
				[ -f /etc/carbon/relay-rules.conf ] || eend "Missing relay-rules.conf"
			fi
			;;
		"carbon-aggregator" )
			[ -f /etc/carbon/aggregation-rules.conf ] || eend "Missing missing aggregation-rules.conf"
			;;
	esac
}

start() {
	ebegin "Starting ${PROGRAMNAME} instance ${INSTANCE}"
	start-stop-daemon --start --exec /usr/bin/${PROGRAMNAME}.py \
	    --pidfile ${PIDFILE} \
	    -- --pidfile ${PIDFILE} --instance ${INSTANCE} \
		--logdir /var/log/carbon/ --config ${CARBON_CONFIG} start >/dev/null
	eend $? "Failed to start ${SVCNAME}"
}

stop() {
	ebegin "Stopping ${PROGRAMNAME} instance ${INSTANCE}"
	start-stop-daemon --stop \
		--pidfile ${PIDFILE}
	eend $? "Failed to stop ${SVCNAME}"
}