#!/sbin/openrc-run

# Note: this init script shouldn't be enabled simulateously to the
# lizardfs-master init script!

name="LizardFS ${RC_SVCNAME#lizardfs-} daemon"
DAEMON="${DAEMON:-/usr/sbin/lizardfs-uraft}"
MASTER="${MASTER:-/usr/sbin/mfsmaster}"
pidfile="/run/${RC_SVCNAME}.pid"
URAFT_ID="${RC_SVCNAME#lizardfs-uraft}"

[ -e /etc/conf.d/lizardfs ] && . /etc/conf.d/lizardfs
[ -e "/etc/conf.d/lizardfs-master${URAFT_ID}" ] && . "/etc/conf.d/lizardfs-master${URAFT_ID}"

CONFIG_FILE="${CONFIG_FILE:-/etc/lizardfs/mfsmaster${URAFT_ID}.cfg}"
[ -e "${CONFIG_FILE}" ] && MASTER_OPTS="${MASTER_OPTS} -c ${CONFIG_FILE}"
MASTER_OPTS="${MASTER_OPTS} -o ha-cluster-managed -o initial-personality=shadow"

command_user="${command_user:-lizardfs}"
command_group="${command_group:-lizardfs}"
DATA_PATH="${DATA_PATH:-/var/lib/lizardfs}"

depend() {
	use logger dns netmount
	need net localmount
}

get_config_value_or() {
	# parsing the value of config options from config file
	local value="$(sed -e 's/[[:blank:]]*#.*$//' -n -e 's/^[[:blank:]]*'$1'[[:blank:]]*=[[:blank:]]*\(.*\)$/\1/p' "${CONFIG_FILE}" 2>/dev/null)"
	printf '%s' ${value:-$2}
}

start() {
	local DATA_PATH="$(get_config_value_or DATA_PATH /var/lib/lizardfs)"
	local command_user="$(get_config_value_or WORKING_USER lizardfs)"
	local command_group="$(get_config_value_or WORKING_GROUP lizardfs)"

	checkpath --directory --owner "$command_user:$command_group" --mode 0755 "$DATA_PATH"

	ebegin "Starting lizardfs-master(uraft)${URAFT_ID}"
	"$MASTER" $MASTER_OPTS
	eend $? || return $?

	ebegin "Starting lizardfs-uraft${URAFT_ID}"
	start-stop-daemon --start --exec "${DAEMON}" --pidfile "$pidfile" --make-pidfile \
		--background --user "$command_user" --group "$command_group" -- $DAEMON_OPTS
	eend $?
}

stop() {
	ebegin "Stopping lizardfs-master(uraft)${URAFT_ID}"
	"$MASTER" $MASTER_OPTS
	eend $? || return $?

	ebegin "Stopping lizardfs-uraft${URAFT_ID}"
	start-stop-daemon --stop --exec "${DAEMON}" --pidfile "$pidfile" --retry='TERM/30/KILL/5'
	ret=$?
	eend $ret
	rm -f "$pidfile"
	ebegin "Remove possible dangling floating IP"
	/usr/sbin/lizardfs-uraft-helper drop-ip
	eend $?
	return $ret
}