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#!/sbin/openrc-run
# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

extra_commands="checkconfig"
extra_started_commands="reload"

command="/usr/sbin/haproxy"

pidfile="${HAPROXY_PIDFILE:-/run/${SVCNAME}.pid}"

configs=

if [ -z "${CONFIGS}" ]; then
	if [ -f "/etc/haproxy/${SVCNAME}.cfg" ]; then
		CONFIGS=/etc/haproxy/${SVCNAME}.cfg
	elif [ -f "/etc/${SVCNAME}.cfg" ]; then
		CONFIGS=/etc/${SVCNAME}.cfg # Deprecated
	fi
fi

for conf in $CONFIGS; do
	configs="${configs} -f ${conf}"
done

command_args="-D -W -p ${pidfile} ${configs} ${HAPROXY_OPTS}"

depend() {
	need net
	use dns logger
}

checkconfig() {
	if [ -z "${CONFIGS}" ]; then
		eerror "No config(s) has been specified"
		return 1
	fi

	for conf in $CONFIGS; do
		if [ ! -f "${conf}" ]; then
			eerror "${conf} does not exist!"
			return 1
		fi
	done

	ebegin "Checking ${CONFIGS}"
	$command -q -c $command_args
	eend $?
}

start_pre() {
	if [ "${RC_CMD}" != "restart" ]; then
		checkconfig || return 1
	fi
}

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

stop() {
	local _t _pid

	_t="$(mktemp)"
	for _pid in $(cat ${pidfile}) ; do
		echo "${_pid}" > "${_t}"
		start-stop-daemon --stop --pidfile="${_t}"
	done
	rm -f "${_t}"
}

reload() {
	checkconfig || { eerror "Reloading failed, please fix your config(s) first"; return 1; }

	if [ "$(command -v reload_seamless)" = "reload_seamless" ]; then
		einfo "Calling user-defined reload_seamless()"
		reload_seamless || { eerror "reload_seamless() failed!"; return 1; }
	fi

	ebegin "Reloading ${SVCNAME}"
	$command $command_args -sf $(cat "${pidfile}")
	eend $?
}