introduce image-updater

image/overlay/etc/init.d/bubble

@@ -4,12 +4,6 @@ depend() {
 	need docker tsdns
 }
 
-start_pre() {
-    until docker pull git.sfclub.cc/cloud/workspace-image:latest; do
-        sleep 10
-    done
-}
-
 command="/usr/bin/bubble"
 command_args="-config /daemon/config.yaml 2>&1"
 pidfile="/run/${RC_SVCNAME}.pid"

image/overlay/etc/init.d/image-updater

@@ -0,0 +1,12 @@
+#!/sbin/openrc-run
+
+depend() {
+	need docker
+}
+
+supervisor="supervise-daemon"
+restart_max=5
+restart_delay=10
+
+command="/usr/bin/image-updater"
+pidfile="/run/${RC_SVCNAME}.pid"

image/overlay/usr/bin/image-updater

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+while true; do
+	docker pull git.sfclub.cc/cloud/workspace-image:latest
+	sleep 3600
+done