xm migrate: Better error report when attempt to migrate non-running domain.

Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>

diff --git a/tools/python/xen/xend/XendDomain.py b/tools/python/xen/xend/XendDomain.py
index 39eaaba697d71bc33ce556ba1dd263b0816a6876..1d86f4160aa997e410743bb68d96428a3aef7b7b 100644 (file)
--- a/tools/python/xen/xend/XendDomain.py
+++ b/tools/python/xen/xend/XendDomain.py
@@ -1282,6 +1282,10 @@ class XendDomain:
 
         if dominfo.getDomid() == DOM0_ID:
             raise XendError("Cannot migrate privileged domain %s" % domid)
+        if dominfo._stateGet() != DOM_STATE_RUNNING:
+            raise VMBadState("Domain is not running",
+                             POWER_STATE_NAMES[DOM_STATE_RUNNING],
+                             POWER_STATE_NAMES[dominfo._stateGet()])
 
         """ The following call may raise a XendError exception """
         dominfo.testMigrateDevices(True, dst)