[Xen-changelog] Continue to diagnose the device state, even if Xend has crashed.

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

# HG changeset patch
# User emellor@xxxxxxxxxxxxxxxxxxxxxx
# Node ID dbf7032f1fc69df0fb7529ee80f2f0766f78653a
# Parent  482c3d3cbc927be5b7abc660188c03d05409f68d
Continue to diagnose the device state, even if Xend has crashed.

Signed-off-by: Ewan Mellor <ewan@xxxxxxxxxxxxx>

diff -r 482c3d3cbc92 -r dbf7032f1fc6 tools/python/xen/util/diagnose.py
--- a/tools/python/xen/util/diagnose.py Thu Apr 20 17:09:53 2006 +0100
+++ b/tools/python/xen/util/diagnose.py Thu Apr 20 17:16:27 2006 +0100
@@ -11,10 +11,11 @@
 # License along with this library; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #
-# Copyright (c) 2005 XenSource Ltd
+# Copyright (c) 2005-2006 XenSource Inc
 
 
 import re
+import socket
 import sys
 
 from xen.xend import sxp
@@ -45,7 +46,6 @@ def diagnose(dom):
         state = sxp.child_value(domain, 'state')
         domid = int(sxp.child_value(domain, 'domid'))
         name = sxp.child_value(domain, 'name')
-        dompath = '/local/domain/%d' % domid
 
         print "Domain ID is %d." % domid
         print "Domain name is %s." % name
@@ -55,12 +55,23 @@ def diagnose(dom):
 
         if state.find('c') != -1:
             print "Domain has crashed."
+    except socket.error, exn:
+        print "Cannot contact Xend."
 
-        diagnose_console()
-
-        diagnose_devices()
+        try:
+            domid = int(dom)
+            name = dom
+        except ValueError:
+            print \
+"Without Xend, you will have to specify the domain ID, not the domain name."
+            sys.exit(1)
     except xen.xend.XendProtocol.XendError, exn:
         print exn
+        sys.exit(1)
+
+    dompath = '/local/domain/%d' % domid
+    diagnose_console()
+    diagnose_devices()
 
 
 def diagnose_console():

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