Xen devel - Mar 2009 - [PATCH] xend: Do not create XendNetwork instance of tmpbridge

This patch prevents xend from creating a XendNetwork instance of tmpbridge
(a temporary bridge used in network-bridge script).

Signed-off-by: Yosuke Iwamatsu <y-iwamatsu@ab.jp.nec.com>

diff -r 8ce14a3bcf05 tools/python/xen/xend/XendNode.py
--- a/tools/python/xen/xend/XendNode.py	Thu Mar 12 08:35:12 2009 +0000
+++ b/tools/python/xen/xend/XendNode.py	Thu Mar 12 19:28:41 2009 +0900
@@ -18,6 +18,7 @@
 
 import os
 import socket
+import time
 import xen.lowlevel.xc
 
 from xen.util import Brctl
@@ -157,7 +158,16 @@
                 
         # Next discover any existing bridges and check
         # they are not already configured
-        bridges = Brctl.get_state().keys()
+
+        # ''tmpbridge'' is a temporary bridge created by
network-bridge script.
+        # Wait a couple of seconds for it to be renamed.
+        for i in xrange(20):
+            bridges = Brctl.get_state().keys()
+            if ''tmpbridge'' in bridges:
+                time.sleep(0.1)
+            else:
+                break
+            
         configured_bridges = [XendAPIStore.get(
                                   network_uuid, "network")
                                       .get_name_label()
@@ -166,7 +176,8 @@
                                 for bridge in bridges
                                 if bridge not in configured_bridges]
         for unconfigured_bridge in unconfigured_bridges:
-            XendNetwork.create_phy(unconfigured_bridge)
+            if unconfigured_bridge != ''tmpbridge'':
+                XendNetwork.create_phy(unconfigured_bridge)
 
         # Initialise PIFs
         # First configure ones off disk




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