vm: raise SuspiciousOperation instead of PermissionDenied

circle/vm/operations.py

@@ -27,7 +27,7 @@ from tarfile import TarFile, TarInfo
 import time
 from urlparse import urlsplit
 
-from django.core.exceptions import PermissionDenied
+from django.core.exceptions import PermissionDenied, SuspiciousOperation
 from django.utils import timezone
 from django.utils.translation import ugettext_lazy as _, ugettext_noop
 from django.conf import settings
@@ -617,7 +617,7 @@ class RemovePortOperation(InstanceOperation):
     def _operation(self, activity, rule):
         interface = rule.host.interface_set.get()
         if interface.instance != self.instance:
-            raise PermissionDenied()
+            raise SuspiciousOperation()
         activity.readable_name = create_readable(
             ugettext_noop("close %(proto)s/%(port)d on %(host)s"),
             proto=rule.proto, port=rule.dport, host=rule.host)
@@ -635,7 +635,7 @@ class AddPortOperation(InstanceOperation):
 
     def _operation(self, activity, host, proto, port):
         if host.interface_set.get().instance != self.instance:
-            raise PermissionDenied()
+            raise SuspiciousOperation()
         host.add_port(proto, private=port)
         activity.readable_name = create_readable(
             ugettext_noop("open %(proto)s/%(port)d on %(host)s"),