gentoo-overlay/app-containers/incus/files/incus-0.4.initd

#!/sbin/openrc-run
# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

DAEMON=/usr/sbin/incusd
PIDFILE=/run/incus.pid

depend() {
	need net
	need lxcfs
}

start() {
	ebegin "Starting incus daemon service"

	modprobe -f loop > /dev/null 2>&1

	# Fix permissions on /var/lib/incus and make sure it exists.
	# Create a log directory for incus with correct permissions.
	install -d /var/lib/incus --group incus-admin --owner root --mode 0775
	install -d /var/log/incus --group incus-admin --owner root

	start-stop-daemon --start \
		--pidfile ${PIDFILE} \
		--exec ${DAEMON} \
		--background \
		--make-pidfile \
		-- \
		${INCUS_OPTIONS}
	eend ${?}

	# Create necessary systemd paths in order for systemd containers to work on openrc host.
	# /etc/rc.conf should have following values:
	#   rc_cgroup_mode="hybrid"
	if [ -d /sys/fs/cgroup/unified ] &&
	[ ! -d /sys/fs/cgroup/systemd ]; then
		install -d /sys/fs/cgroup/systemd --group incus-admin --owner root
		mount -t cgroup -o none,name=systemd systemd /sys/fs/cgroup/systemd
	fi
}

stop() {
	if [ "${RC_CMD}" = restart ]; then
		ebegin "Stopping incus daemon service (but not containers)"
		# start-stop-daemon sends SIGTERM with a timeout of 5s by default.
		# SIGTERM indicates to INCUS that it will be stopped temporarily.
		# Instances will keep running.
		start-stop-daemon --stop --quiet -p "${PIDFILE}"
		eend ${?}
	else
		ebegin "Stopping incus daemon service and containers, waiting 40s"
		# SIGPWR indicates to INCUS that the host is going down.
		# LXD will do a clean shutdown of all instances.
		# After 30s all remaining instances will be killed.
		# We wait up to 40s for INCUS.
		start-stop-daemon --stop --quiet -R SIGPWR/40 -p "${PIDFILE}"
		eend ${?}
	fi
}