Add stop-alua to scst_util.sh and call before stopping middlewared

debian/debian/ix-reboot.service

@@ -0,0 +1,16 @@
+[Unit]
+Description=Exec TrueNAS reboot tasks
+
+After=network.target middlewared.service
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=true
+ExecStop=/usr/local/bin/scst_util.sh stop-alua
+StandardOutput=null
+StandardError=null
+TimeoutStopSec=0
+
+[Install]
+WantedBy=multi-user.target

debian/debian/ix-shutdown.service

@@ -7,6 +7,7 @@ After=network.target middlewared.service
 Type=oneshot
 RemainAfterExit=yes
 ExecStart=true
+ExecStop=/usr/local/bin/scst_util.sh stop-alua
 ExecStop=midclt call core.event_send system.shutdown ADDED
 ExecStop=midclt call --job initshutdownscript.execute_init_tasks SHUTDOWN
 StandardOutput=null

debian/debian/rules

@@ -16,6 +16,7 @@ override_dh_installsystemd:
 	dh_installsystemd --no-start -r --no-restart-after-upgrade --name=ix-netif
 	dh_installsystemd --no-start -r --no-restart-after-upgrade --name=ix-postinit
 	dh_installsystemd --no-start -r --no-restart-after-upgrade --name=ix-preinit
+	dh_installsystemd --no-start -r --no-restart-after-upgrade --name=ix-reboot
 	dh_installsystemd --no-start -r --no-restart-after-upgrade --name=ix-reporting
 	dh_installsystemd --no-start -r --no-restart-after-upgrade --name=ix-shutdown
 	dh_installsystemd --no-start -r --no-restart-after-upgrade --name=ix-ssh-keys

src/freenas/usr/local/bin/scst_util.sh

@@ -8,13 +8,32 @@ force_close() {
 	wait
 }
 
+stop_alua() {
+	shopt -s nullglob
+
+	# Disable iSCSI
+	if [ -f /sys/kernel/scst_tgt/targets/iscsi/enabled ]; then
+		echo 0 > /sys/kernel/scst_tgt/targets/iscsi/enabled
+	fi
+
+	# Turn off any cluster_mode in parallel
+	for cm in /sys/kernel/scst_tgt/devices/*/cluster_mode ; do
+		echo 0 > "$cm" &
+	done
+	wait
+}
+
 case "$1" in
     force-close)
         force_close
         rc=$?
         ;;
+    stop-alua)
+        stop_alua
+        rc=$?
+        ;;
     *)
-        echo "Usage: $0 {force-close}"
+        echo "Usage: $0 {force-close|stop-alua}"
         exit 2
         ;;
 esac