Allow blank adminPass on server create

* Fixes bug 992648

Change-Id: Ib796904b3155300a178e37d129e398817c8747d6

2 files changed, 15 insertions, 9 deletions

diff --git a/nova/api/openstack/compute/servers.py b/nova/api/openstack/compute/servers.py
index af6d9c7d6..4468af401 100644
--- a/nova/api/openstack/compute/servers.py
+++ b/nova/api/openstack/compute/servers.py
@@ -1145,15 +1145,20 @@ class Controller(wsgi.Controller):
 
     def _get_server_admin_password(self, server):
         """Determine the admin password for a server on creation."""
-        password = server.get('adminPass')
+        try:
+            password = server['adminPass']
+            self._validate_admin_password(password)
+        except KeyError:
+            password = utils.generate_password(FLAGS.password_length)
+        except ValueError:
+            raise exc.HTTPBadRequest(explanation=_("Invalid adminPass"))
 
-        if password is None:
-            return utils.generate_password(FLAGS.password_length)
-        if not isinstance(password, basestring) or password == '':
-            msg = _("Invalid adminPass")
-            raise exc.HTTPBadRequest(explanation=msg)
         return password
 
+    def _validate_admin_password(self, password):
+        if not isinstance(password, basestring):
+            raise ValueError()
+
     def _get_server_search_options(self):
         """Return server search options allowed by non-admin."""
         return ('reservation_id', 'name', 'status', 'image', 'flavor',
diff --git a/nova/tests/api/openstack/compute/test_servers.py b/nova/tests/api/openstack/compute/test_servers.py
index 514d7cf84..e1a01b09f 100644
--- a/nova/tests/api/openstack/compute/test_servers.py
+++ b/nova/tests/api/openstack/compute/test_servers.py
@@ -2119,10 +2119,11 @@ class ServersControllerCreateTest(test.TestCase):
         self.assertTrue('adminPass' not in server)
 
     def test_create_instance_admin_pass_empty(self):
+        image_uuid = '76fa36fc-c930-4bf3-8c8a-ea2a2420deb6'
         body = {
             'server': {
                 'name': 'server_test',
-                'imageRef': 3,
+                'imageRef': image_uuid,
                 'flavorRef': 3,
                 'adminPass': '',
             },
@@ -2133,8 +2134,8 @@ class ServersControllerCreateTest(test.TestCase):
         req.body = json.dumps(body)
         req.headers['content-type'] = "application/json"
 
-        self.assertRaises(webob.exc.HTTPBadRequest,
-                          self.controller.create, req, body)
+        # The fact that the action doesn't raise is enough validation
+        self.controller.create(req, body)
 
     def test_create_instance_malformed_entity(self):
         req = fakes.HTTPRequest.blank('/v2/fake/servers')