feat(fstrim): support automatic shrink data disk (#62)

Author: ihexon

layers/wsl2_amd64/etc/init.d/fstrim

@@ -0,0 +1,12 @@
+#!/sbin/openrc-run
+description="Run fstrim -v /var every 5 minutes"
+command="/bin/sh"
+command_args="-c 'while true; do fstrim -v /var; sleep 300; done'"
+command_background="true"
+pidfile="/run/${RC_SVCNAME}.pid"
+output_logger="/opt/logger_wrapper.sh stdout"
+error_logger="/opt/logger_wrapper.sh stdout"
+
+depend() {
+    after local
+}

layers/wsl2_amd64/opt/ovmd

@@ -264,6 +264,7 @@ main() {
 		openrc default
 		/sbin/rc-service kernelogger start
 		/sbin/rc-service podman start
+		/sbin/rc-service fstrim start
 	}
 	echo "main(): wait....."
 	while true; do