#!/sbin/openrc-run
# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

description="NSD is an authoritative-only, high performance, open source name server"
extra_commands="configtest"
extra_started_commands="reload"

# these can be overridden in /etc/conf.d/nsd if necessary
NSD_CONFIG="${NSD_CONFIG:-/etc/nsd/nsd.conf}"
NSD_CHECKCONF="${NSD_CHECKCONF:-/usr/sbin/nsd-checkconf}"
command="${NSD_BINARY:-/usr/sbin/nsd}"
command_args="-c ${NSD_CONFIG}"

depend() {
	need net
	use logger
}

get_pidfile() {
	printf '%s' "$("${NSD_CHECKCONF}" -o pidfile "${NSD_CONFIG}")"
}

checkconfig() {
	if ! test -e "${NSD_CONFIG}"; then
		eerror "You need to create an appropriate config file."
		eerror "An example can be found in /etc/nsd/nsd.conf.sample"
		return 1
	elif ! "${NSD_CHECKCONF}" "${NSD_CONFIG}"; then
		eerror "You have errors in your configfile (${NSD_CONFIG})"
		return $?
	fi
	return 0
}

configtest() {
	ebegin "Checking ${SVCNAME} configuration"
	checkconfig
	eend $?
}

start_pre() {
	checkconfig || return $?
	pidfile="$(get_pidfile)"
	checkpath --directory --owner nsd:nsd "${pidfile%/*}" || return 1
}

stop_pre() {
	checkconfig || return $?
	pidfile="$(get_pidfile)"
}

reload() {
	checkconfig || return $?
	pidfile="$(get_pidfile)"
	ebegin "Reloading config and zone files"
	kill -s HUP $(cat ${pidfile})
	eend $?
}