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

FILEBEAT_USER="${FILEBEAT_USER:-root}"
FILEBEAT_GROUP="${FILEBEAT_GROUP:-root}"
FILEBEAT_CONFIG="${FILEBEAT_CONFIG:-/etc/filebeat/filebeat.yml}"
FILEBEAT_DATADIR="${FILEBEAT_DATADIR:-/var/lib/filebeat}"
FILEBEAT_LOGDIR="${FILEBEAT_LOGDIR:-/var/log/filebeat}"
FILEBEAT_OPTS="${FILEBEAT_OPTS:-}"

command="/usr/bin/filebeat"
command_args="-c ${FILEBEAT_CONFIG} ${FILEBEAT_OPTS} -path.config $(dirname $FILEBEAT_CONFIG) \
	-path.data ${FILEBEAT_DATADIR} -path.home ${FILEBEAT_DATADIR} -path.logs ${FILEBEAT_LOGDIR}"
extra_commands="checkconfig"
command_background="true"
start_stop_daemon_args="--user ${FILEBEAT_USER}:${FILEBEAT_GROUP} \
	--chdir ${FILEBEAT_DATADIR}"
pidfile="/run/filebeat/filebeat.pid"

depend() {
	use net
	after elasticsearch
}

checkconfig() {
	if [[ ! -e ${FILEBEAT_CONFIG} ]]; then
		eend "Please create a configuration file at ${FILEBEAT_CONFIG}"
		return 1
	fi

	ebegin "Checking your configuration"
	${command} ${command_args} -configtest
	eend $? "Configuration error. Please fix your configuration files."
}

start_pre() {
	checkconfig || return 1

	checkpath -d -o "${FILEBEAT_USER}":"${FILEBEAT_GROUP}" -m750 "$(dirname "${pidfile}")"
	checkpath -d -o "${FILEBEAT_USER}":"${FILEBEAT_GROUP}" -m750 "${FILEBEAT_DATADIR}"
	checkpath -d -o "${FILEBEAT_USER}":"${FILEBEAT_GROUP}" -m750 "${FILEBEAT_LOGDIR}"
}

stop() {
	ebegin "Stopping filebeat"
	start-stop-daemon --stop \
		--pidfile=${pidfile} \
		--retry=TERM/5/KILL/5
}