Managed HVM guests are not displayed by 'xm list' after restarting xend.

This patch prevents writing empty configuration items to the domain's
sexpr configuration file.  Without the empty items, the sexpr is
parsed properly when xend is started.

Signed-off-by: Jim Fehlig <jfehlig@novell.com>

diff --git a/tools/python/xen/xend/XendConfig.py b/tools/python/xen/xend/XendConfig.py
index 0cc7c7c3a0019bdf65ae8411fe9029a7f53bd724..e36e89a0dfb347997653e5d9a1b2fb7347956354 100644 (file)
--- a/tools/python/xen/xend/XendConfig.py
+++ b/tools/python/xen/xend/XendConfig.py
@@ -730,7 +730,7 @@ class XendConfig(dict):
             
             for key in XENAPI_PLATFORM_CFG:
                 val = sxp.child_value(image_sxp, key, None)
-                if val is not None:
+                if val is not None and val != '':
                     self['platform'][key] = val
             
             notes = sxp.children(image_sxp, 'notes')
@@ -1359,7 +1359,7 @@ class XendConfig(dict):
 
         for key in XENAPI_PLATFORM_CFG:
             val = sxp.child_value(image_sxp, key, None)
-            if val is not None:
+            if val is not None and val != '':
                 self['platform'][key] = val
 
         notes = sxp.children(image_sxp, 'notes')