Fix os-console-output extension integration

Fixes bug 907083

Change-Id: Ia57d316db0c79d7e78ef3225e77cd95589ac68df

nova/api/openstack/v2/contrib/console_output.py

@@ -42,10 +42,20 @@ def __init__(self, ext_mgr):
     def get_console_output(self, input_dict, req, server_id):
         """Get text console output."""
         context = req.environ['nova.context']
-        length = input_dict['os-getConsoleOutput'].get('length')
+
+        try:
+            instance = self.compute_api.routing_get(context, server_id)
+        except exception.NotFound:
+            raise webob.exc.HTTPNotFound(_('Instance not found'))
+
+        try:
+            length = input_dict['os-getConsoleOutput'].get('length')
+        except (TypeError, KeyError):
+            raise webob.exc.HTTPBadRequest(_('Malformed request body'))
+
         try:
             return self.compute_api.get_console_output(context,
-                                                       server_id,
+                                                       instance,
                                                        length)
         except exception.ApiError, e:
             raise webob.exc.HTTPBadRequest(explanation=e.message)

nova/tests/api/openstack/v2/contrib/test_console_output.py

@@ -18,12 +18,12 @@
 import webob
 
 from nova import compute
+from nova import exception
 from nova import test
 from nova.tests.api.openstack import fakes
 
 
-def fake_text_console_tail(self, method, context, instance_id, params):
-    tail_length = params['tail_length']
+def fake_get_console_output(self, _context, _instance, tail_length):
     fixture = [str(i) for i in range(10)]
 
     if tail_length is None:
@@ -36,15 +36,23 @@ def fake_text_console_tail(self, method, context, instance_id, params):
     return '\n'.join(fixture)
 
 
+def fake_get(self, context, instance_uuid):
+    return {'uuid': instance_uuid}
+
+
+def fake_get_not_found(self, context, instance_uuid):
+    raise exception.NotFound()
+
+
 class ConsoleOutputExtensionTest(test.TestCase):
 
     def setUp(self):
         super(ConsoleOutputExtensionTest, self).setUp()
+        self.stubs.Set(compute.API, 'get_console_output',
+                       fake_get_console_output)
+        self.stubs.Set(compute.API, 'get', fake_get)
 
     def test_get_text_console_instance_action(self):
-        self.stubs.Set(compute.API, '_call_compute_message',
-                       fake_text_console_tail)
-
         body = {'os-getConsoleOutput': {}}
         req = webob.Request.blank('/v1.1/123/servers/1/action')
         req.method = "POST"
@@ -55,15 +63,31 @@ def test_get_text_console_instance_action(self):
         self.assertEqual(res.status_int, 200)
 
     def test_get_console_output_with_tail(self):
-        self.stubs.Set(compute.API,
-                       '_call_compute_message',
-                       fake_text_console_tail)
-
         body = {'os-getConsoleOutput': {'length': 3}}
         req = webob.Request.blank('/v2/123/servers/1/action')
         req.method = "POST"
         req.body = json.dumps(body)
         req.headers["content-type"] = "application/json"
         res = req.get_response(fakes.wsgi_app())
-
         self.assertEqual(res.status_int, 200)
+
+    def test_get_text_console_no_instance(self):
+        self.stubs.Set(compute.API, 'get', fake_get_not_found)
+        body = {'os-getConsoleOutput': {}}
+        req = webob.Request.blank('/v1.1/123/servers/1/action')
+        req.method = "POST"
+        req.body = json.dumps(body)
+        req.headers["content-type"] = "application/json"
+
+        res = req.get_response(fakes.wsgi_app())
+        self.assertEqual(res.status_int, 404)
+
+    def test_get_text_console_bad_body(self):
+        body = {}
+        req = webob.Request.blank('/v1.1/123/servers/1/action')
+        req.method = "POST"
+        req.body = json.dumps(body)
+        req.headers["content-type"] = "application/json"
+
+        res = req.get_response(fakes.wsgi_app())
+        self.assertEqual(res.status_int, 400)