#!/sbin/openrc-run
# Copyright 2015-2018 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

description="A tool for service discovery, monitoring and configuration"
extra_commands="configtest"
extra_started_commands="reload"

output_log="${output_log:-/dev/null}"
error_log="${error_log:-${CONSUL_LOGDIR}/error.log}"

name="${RC_SVCNAME}"
command="/usr/bin/consul"
command_args="agent -config-dir=${CONSUL_CONFDIR} ${CONSUL_OPTS}"
command_user="${command_use:-consul:consul}"
command_background=yes
pidfile="/run/${RC_SVCNAME}.pid"
retry="${retry:-TERM/30/KILL/5}"
start_stop_daemon_args="-1 ${output_log} -2 ${error_log}"
stopsig="SIGINT"

depend() {
	need net
}

start_pre() {
	# upstream strongly recommends > 1
	export GOMAXPROCS=${GOMAXPROCS:-2}

	checkpath -d -m 0750 -o "${command_user}" \
		"${CONSUL_DATADIR}" "${CONSUL_LOGDIR}"

	if [ "${RC_CMD}" != "restart" ]; then
		configtest || return 1
	fi
}

stop_pre() {
	if [ "${RC_CMD}" = "restart" ]; then
		configtest || return 1
	fi
}

reload() {
	configtest || return 1
	ebegin "Reloading ${name}"
	${command} reload
	eend $?
}

configtest() {
	ebegin "Checking ${name} configuration"
	${command} validate -quiet "${CONSUL_CONFDIR}"
	eend $? "Failed, please correct the errors above"
}