VNC: Catch the error when the VM is off and there is no host

svn path=/trunk/packages/sipb-xen-www/; revision=797

diff --git a/code/main.py b/code/main.py
index 4627c66..7af4ecc 100755 (executable)
--- a/code/main.py
+++ b/code/main.py
@@ -257,8 +257,12 @@ def vnc(username, state, path, fields):
     token = {'data': pickled_data, 'digest': m.digest()}
     token = cPickle.dumps(token)
     token = base64.urlsafe_b64encode(token)
-    port = 10003 + [config_host["hostname"] for config_host in invirt_config["hosts"]
-        ].index(controls.listHost(machine))
+    host = controls.listHost(machine)
+    if host:
+        port = 10003 + [config_host["hostname"] for config_host in invirt_config["hosts"]
+            ].index(controls.listHost(machine))
+    else:
+        port = 5900 # dummy
 
     status = controls.statusInfo(machine)
     has_vnc = hasVnc(status)