app-containers/lxd: add 4.0.9

 - inherit go-module.eclass; upstream uses go.mod now,
 - new documentation offered by upstream, e.g. a handy cheatsheet,
 - openrc init file and systemd service file now manages the log
   directory (#817287),
 - virtfs-proxy-helper bin path isn't hardcoded anymore (#798924),
 - -Werror patch turned into sed for easier maintainability.

Bug: https://bugs.gentoo.org/798924
Closes: https://bugs.gentoo.org/817287
Signed-off-by: Joonas Niilola <juippis@gentoo.org>

2 files changed, 74 insertions, 0 deletions

diff --git a/app-containers/lxd/files/lxd-4.0.9.initd b/app-containers/lxd/files/lxd-4.0.9.initd
new file mode 100644
index 000000000000..7b3d464ea367
--- /dev/null
+++ b/app-containers/lxd/files/lxd-4.0.9.initd
@@ -0,0 +1,49 @@
+#!/sbin/openrc-run
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+DAEMON=/usr/sbin/lxd
+PIDFILE=/run/lxd.pid
+
+depend() {
+	need net
+	need lxcfs
+}
+
+start() {
+	ebegin "Starting lxd service"
+
+	modprobe -f loop > /dev/null 2>&1
+
+	# Fix permissions on /var/lib/lxd and make sure it exists.
+	# Create a log directory for lxd with correct permissions.
+	install -d /var/lib/lxd --group lxd --owner root --mode 0775
+	install -d /var/log/lxd --group lxd --owner root 
+	start-stop-daemon --start \
+		--pidfile ${PIDFILE} \
+		--exec ${DAEMON} \
+		--background \
+		--make-pidfile \
+		-- \
+		${LXD_OPTIONS}
+	eend ${?}
+}
+
+stop() {
+	if [ "${RC_CMD}" = restart ]; then
+		ebegin "Stopping lxd service (but not containers)"
+		# start-stop-daemon sends SIGTERM with a timeout of 5s by default.
+		# SIGTERM indicates to LXD that it will be stopped temporarily.
+		# Instances will keep running.
+		start-stop-daemon --stop --quiet -p "${PIDFILE}"
+		eend ${?}
+	else
+		ebegin "Stopping lxd service and containers, waiting 40s"
+		# SIGPWR indicates to LXD that the host is going down.
+		# LXD will do a clean shutdown of all instances.
+		# After 30s all remaining instances will be killed.
+		# We wait up to 40s for LXD.
+		start-stop-daemon --stop --quiet -R SIGPWR/40 -p "${PIDFILE}"
+		eend ${?}
+	fi
+}
diff --git a/app-containers/lxd/files/lxd-4.0.9.service b/app-containers/lxd/files/lxd-4.0.9.service
new file mode 100644
index 000000000000..6a218d2c43a7
--- /dev/null
+++ b/app-containers/lxd/files/lxd-4.0.9.service
@@ -0,0 +1,25 @@
+[Unit]
+Description=LXD - main daemon
+After=network-online.target lxcfs.service lxd.socket
+Requires=network-online.target lxcfs.service lxd.socket
+Documentation=man:lxd(1)
+
+[Service]
+Group=lxd
+User=root
+EnvironmentFile=-/etc/environment
+ExecStart=/usr/sbin/lxd --group lxd --syslog
+ExecStartPost=/usr/sbin/lxd waitready --timeout=600
+ExecStartPre=/bin/mkdir -p /var/log/lxd
+ExecStartPre=/bin/chown -R root:lxd /var/log/lxd
+KillMode=process
+PermissionsStartOnly=true
+TimeoutStartSec=600s
+TimeoutStopSec=30s
+Restart=on-failure
+LimitNOFILE=1048576
+LimitNPROC=infinity
+TasksMax=infinity
+
+[Install]
+Also=lxd-containers.service lxd.socket