Replaces exceptions.Error with NovaException

Fixes bug 817107

Change-Id: I6253e6bbcc44676c587b315fa32afba6459e676a

nova/auth/manager.py

@@ -447,7 +447,7 @@ class AuthManager(object):
         """
         if role == 'projectmanager':
             if not project:
-                raise exception.Error(_("Must specify project"))
+                raise exception.NovaException(_("Must specify project"))
             return self.is_project_manager(user, project)
 
         global_role = self._has_role(User.safe_id(user),

nova/auth/signer.py

@@ -78,7 +78,7 @@ class Signer(object):
     def s3_authorization(self, headers, verb, path):
         """Generate S3 authorization string."""
         if not boto:
-            raise exception.Error('boto is not installed')
+            raise exception.NovaException('boto is not installed')
         c_string = boto.utils.canonical_string(verb, path, headers)
         hmac_copy = self.hmac.copy()
         hmac_copy.update(c_string)
@@ -97,7 +97,7 @@ class Signer(object):
             return self._calc_signature_1(params)
         if params['SignatureVersion'] == '2':
             return self._calc_signature_2(params, verb, server_string, path)
-        raise exception.Error('Unknown Signature Version: %s' %
+        raise exception.NovaException('Unknown Signature Version: %s' %
                     params['SignatureVersion'])
 
     @staticmethod
@@ -140,16 +140,17 @@ class Signer(object):
         string_to_sign = '%s\n%s\n%s\n' % (verb, server_string, path)
 
         if 'SignatureMethod' not in params:
-            raise exception.Error('No SignatureMethod specified')
+            raise exception.NovaException('No SignatureMethod specified')
 
         if params['SignatureMethod'] == 'HmacSHA256':
             if not self.hmac_256:
-                raise exception.Error('SHA256 not supported on this server')
+                msg = _('SHA256 not supported on this server')
+                raise exception.NovaException(msg)
             current_hmac = self.hmac_256
         elif params['SignatureMethod'] == 'HmacSHA1':
             current_hmac = self.hmac
         else:
-            raise exception.Error('SignatureMethod %s not supported'
+            raise exception.NovaException('SignatureMethod %s not supported'
                                   % params['SignatureMethod'])
 
         keys = params.keys()

nova/tests/test_libvirt.py

@@ -1193,8 +1193,8 @@ class LibvirtConnTestCase(test.TestCase):
             conn.ensure_filtering_rules_for_instance(instance_ref,
                                                      network_info,
                                                      time=fake_timer)
-        except exception.Error, e:
-            c1 = (0 <= e.message.find('Timeout migrating for'))
+        except exception.NovaException, e:
+            c1 = (0 <= str(e).find('Timeout migrating for'))
         self.assertTrue(c1)
 
         self.assertEqual(29, fake_timer.counter, "Didn't wait the expected "

nova/tests/test_signer.py

@@ -65,14 +65,14 @@ class SignerTestCase(test.TestCase):
                                            'GET', 'server', '/foo'))
 
     def test_generate_invalid_signature_method_defined(self):
-        self.assertRaises(exception.Error,
+        self.assertRaises(exception.NovaException,
                           self.signer.generate,
                           {'SignatureVersion': '2',
                            'SignatureMethod': 'invalid_method'},
                           'GET', 'server', '/foo')
 
     def test_generate_no_signature_method_defined(self):
-        self.assertRaises(exception.Error,
+        self.assertRaises(exception.NovaException,
                           self.signer.generate,
                           {'SignatureVersion': '2'},
                           'GET', 'server', '/foo')
@@ -85,7 +85,7 @@ class SignerTestCase(test.TestCase):
         # Create Signer again now that hashlib.sha256 is None
         self.signer = signer.Signer(
                         'uV3F3YluFJax1cknvbcGwgjvx4QpvB+leU8dUj2o')
-        self.assertRaises(exception.Error,
+        self.assertRaises(exception.NovaException,
                           self.signer.generate,
                           {'SignatureVersion': '2',
                            'SignatureMethod': 'HmacSHA256'},
@@ -106,7 +106,7 @@ class SignerTestCase(test.TestCase):
                               'GET', 'server', '/foo'))
 
     def test_generate_unknown_version(self):
-        self.assertRaises(exception.Error,
+        self.assertRaises(exception.NovaException,
                 self.signer.generate,
                 {'SignatureMethod': 'HmacSHA256', 'SignatureVersion': '9'},
                 'GET', 'server', '/foo')

nova/tests/test_volume.py

@@ -195,7 +195,7 @@ class VolumeTestCase(test.TestCase):
         instance_ref = db.volume_get_instance(self.context, volume_id)
         self.assertEqual(instance_ref['id'], instance_id)
 
-        self.assertRaises(exception.Error,
+        self.assertRaises(exception.NovaException,
                           self.volume.delete_volume,
                           self.context,
                           volume_id)

nova/tests/test_xenapi.py

@@ -304,7 +304,7 @@ class XenAPIVMTestCase(test.TestCase):
         instance = self._create_instance()
 
         name = "MySnapshot"
-        self.assertRaises(exception.Error, self.conn.snapshot,
+        self.assertRaises(exception.NovaException, self.conn.snapshot,
                           self.context, instance, name)
 
     def test_instance_snapshot(self):