[Xen-changelog] Treat xenstore UUID for domU's like MAC addresses for virtual network

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID 2cb434a12bba15377b3e69466440e4d88a1067bc
# Parent  cd68f36807f931106121e017be535741fd52515a
Treat xenstore UUID for domU's like MAC addresses for virtual network
interfaces -- can be set by user in domU configuration, but is
generated randomly by default.

Signed-off-by: Andrew D. Ball <aball@xxxxxxxxxx>

diff -r cd68f36807f9 -r 2cb434a12bba tools/python/xen/xm/create.py
--- a/tools/python/xen/xm/create.py     Wed Jan 25 23:06:46 2006
+++ b/tools/python/xen/xm/create.py     Wed Jan 25 23:10:03 2006
@@ -395,6 +395,13 @@
 gopts.var('xauthority', val='XAUTHORITY',
           fn=set_value, default=None,
           use="X11 Authority to use")
+
+gopts.var('uuid', val='',
+          fn=set_value, default=None,
+          use="""xenstore UUID (universally unique identifier) to use.  One 
+          will be randomly generated if this option is not set, just like MAC 
+          addresses for virtual network interfaces.  This must be a unique 
+          value across the entire cluster.""")
 
 
 def err(msg):
@@ -566,6 +573,8 @@
     map(add_conf, ['name', 'memory', 'ssidref', 'maxmem', 'restart',
                    'on_poweroff', 'on_reboot', 'on_crash', 'vcpus'])
     
+    if vals.uuid is not None:
+        config.append(['uuid', vals.uuid])
     if vals.cpu is not None:
         config.append(['cpu', vals.cpu])
     if vals.cpus is not None:

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