Set the remote svc config mtime on the fetched copy

To avoid a ping-pong if the fetcher has its time in the future from the
sender point of view.

lib/osvcd_lsnr.py

@@ -288,10 +288,11 @@ def action_get_service_config(self, nodename, **kwargs):
         fpath = os.path.join(rcEnv.paths.pathetc, svcname+".conf")
         if not os.path.exists(fpath):
             return {"error": "%s does not exist" % fpath, "status": 3}
+        mtime = os.path.getmtime(fpath)
         with codecs.open(fpath, "r", "utf8") as filep:
             buff = filep.read()
         self.log.info("serve service %s config to %s", svcname, nodename)
-        return {"status": 0, "data": buff}
+        return {"status": 0, "data": buff, "mtime": mtime}
 
     def action_clear(self, nodename, **kwargs):
         svcname = kwargs.get("svcname")

lib/osvcd_mon.py

@@ -205,6 +205,9 @@ def fetch_service_config(self, svcname, nodename):
             if results["errors"] == 0:
                 dst = os.path.join(rcEnv.paths.pathetc, svcname+".conf")
                 shutil.copy(filep.name, dst)
+                mtime = resp.get("mtime")
+                if mtime:
+                    os.utime(dst, (mtime, mtime))
             else:
                 self.log.error("the service %s config fetched from node %s is "
                                "not valid", svcname, nodename)