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#!/sbin/openrc-run
# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

description="kea dhcp services"

dhcp4_command="/usr/sbin/kea-dhcp4"
dhcp6_command="/usr/sbin/kea-dhcp6"
ddns_command="/usr/sbin/kea-dhcp-ddns"
dhcp4_config="${DHCP4_CONFIG:-/etc/kea/dhcp4.conf}"
dhcp6_config="${DHCP6_CONFIG:-/etc/kea/dhcp6.conf}"
ddns_config="${DDNS_CONFIG:-/etc/kea/ddns.conf}"
dhcp4_pidfile="/run/kea-dhcp4.pid"
dhcp6_pidfile="/run/kea-dhcp6.pid"
ddns_pidfile="/run/kea-ddns.pid"

depend() {
	use net
}

start_pre() {
	if ${DHCP4:-false} ; then
		if [ ! -f "${dhcp4_config}" ] ; then
			eerror "Please create a ${dhcp4_config} config file."
			return 1
		fi

		if ! ${dhcp4_command} -t ${dhcp4_config} 1>/dev/null 2>/dev/null ; then
			eerror "Error in config file ${dhcp4_config}"
			return 1
		fi
	fi
	if ${DHCP6:-false} ; then
		if [ ! -f "${dhcp6_config}" ] ; then
			eerror "Please create a ${dhcp6_file} config file."
			return 1
		fi

		if ! ${dhcp6_command} -t ${dhcp6_config} 1>/dev/null 2>/dev/null ; then
			eerror "Error in config file ${dhcp6_config}"
			return 1
		fi
	fi
	if ${DDNS:-false} ; then
		if [ ! -f "${ddns_config}" ] ; then
			eerror "Please create a ${ddns_config} config file."
			return 1
		fi

		if ! ${ddns_command} -t ${ddns_config} 1>/dev/null 2>/dev/null ; then
			eerror "Error in config file ${ddns_config}"
			return 1
		fi
	fi
}

start() {
	einfo "Starting kea dhcp services"
	if ${DHCP4:-false} ; then
		start-stop-daemon -m -b -p ${dhcp4_pidfile} \
			-x ${dhcp4_command} -- -c ${dhcp4_config} \
			|| return 1
	fi
	if ${DHCP6:-false} ; then
		start-stop-daemon -m -b -p ${dhcp6_pidfile} \
			-x ${dhcp6_command} -- -c ${dhcp6_config} \
			|| return 1
	fi
	if ${DDNS:-false} ; then
		start-stop-daemon -m -b -p ${ddns_pidfile} \
			-x ${ddns_command} -- -c ${ddns_config} \
			|| return 1
	fi
}

stop() {
	einfo "Stopping kea dhcp services"
	if ${DHCP4:-false} ; then
		start-stop-daemon --stop -p ${dhcp4_pidfile} \
			|| return 1
	fi
	if ${DHCP6:-false} ; then
		start-stop-daemon --stop -p ${dhcp6_pidfile} \
			|| return 1
	fi
	if ${DDNS:-false} ; then
		start-stop-daemon --stop -p ${ddns_pidfile} \
			|| return 1
	fi
}