xen: Restore state files for VIF VLANs

[sliver-openvswitch.git] / xenserver / opt_xensource_libexec_interface-reconfigure

diff --git a/xenserver/opt_xensource_libexec_interface-reconfigure b/xenserver/opt_xensource_libexec_interface-reconfigure
index 2b12218..82c3863 100755 (executable)
--- a/xenserver/opt_xensource_libexec_interface-reconfigure
+++ b/xenserver/opt_xensource_libexec_interface-reconfigure
@@ -1473,7 +1473,18 @@ def action_up(pif):
         cfgmod_argv += ['--add=vlan.%s.tag=%s' % (ipdev, pifrec['VLAN'])]
         cfgmod_argv += ['--add=iface.%s.internal=true' % (ipdev)]
         cfgmod_argv += ['--add=iface.%s.fake-bridge=true' % (ipdev)]
-        
+        if not os.path.exists(vswitch_state_dir):
+            os.mkdir(vswitch_state_dir)
+        br = ConfigurationFile("br-%s" % ipdev, vswitch_state_dir)
+        br.write("VLAN_SLAVE=%s\n" % bridge)
+        br.write("VLAN_VID=%s\n" % pifrec['VLAN'])
+        br.close()
+        f.attach_child(br)
+    else:
+        br = ConfigurationFile("br-%s" % ipdev, vswitch_state_dir)
+        br.unlink()
+        f.attach_child(br)
+
     # Apply updated configuration.
     try:
         f.apply()