diff --git a/tempest/auth.py b/tempest/auth.py
index 6a92b5f..5820893 100644
--- a/tempest/auth.py
+++ b/tempest/auth.py
@@ -440,31 +440,23 @@
             datetime.datetime.utcnow()
 
 
-def get_default_credentials(credential_type, fill_in=True):
-    """
-    Returns configured credentials of the specified type
-    based on the configured auth_version
-    """
-    return get_credentials(fill_in=fill_in, credential_type=credential_type)
-
-
-def get_credentials(credential_type=None, fill_in=True, **kwargs):
+def get_credentials(fill_in=True, **kwargs):
     """
     Builds a credentials object based on the configured auth_version
 
-    :param credential_type (string): requests credentials from tempest
-           configuration file. Valid values are defined in
-           Credentials.TYPE.
-    :param kwargs (dict): take into account only if credential_type is
-           not specified or None. Dict of credential key/value pairs
+    :param fill_in (boolean): obtain a token and fill in all credential
+           details provided by the identity service. When fill_in is not
+           specified, credentials are not validated. Validation can be invoked
+           by invoking ``is_valid()``
+    :param kwargs (dict): Dict of credential key/value pairs
 
     Examples:
 
         Returns credentials from the provided parameters:
         >>> get_credentials(username='foo', password='bar')
 
-        Returns credentials from tempest configuration:
-        >>> get_credentials(credential_type='user')
+        Returns credentials including IDs:
+        >>> get_credentials(username='foo', password='bar', fill_in=True)
     """
     if CONF.identity.auth_version == 'v2':
         credential_class = KeystoneV2Credentials
@@ -474,10 +466,7 @@
         auth_provider_class = KeystoneV3AuthProvider
     else:
         raise exceptions.InvalidConfiguration('Unsupported auth version')
-    if credential_type is not None:
-        creds = credential_class.get_default(credential_type)
-    else:
-        creds = credential_class(**kwargs)
+    creds = credential_class(**kwargs)
     # Fill in the credentials fields that were not specified
     if fill_in:
         auth_provider = auth_provider_class(creds)
@@ -490,18 +479,9 @@
     Set of credentials for accessing OpenStack services
 
     ATTRIBUTES: list of valid class attributes representing credentials.
-
-    TYPES: types of credentials available in the configuration file.
-           For each key there's a tuple (section, prefix) to match the
-           configuration options.
     """
 
     ATTRIBUTES = []
-    TYPES = {
-        'identity_admin': ('identity', 'admin'),
-        'user': ('identity', None),
-        'alt_user': ('identity', 'alt')
-    }
 
     def __init__(self, **kwargs):
         """
@@ -554,21 +534,8 @@
         except AttributeError:
             return default
 
-    @classmethod
-    def get_default(cls, credentials_type):
-        if credentials_type not in cls.TYPES:
-            raise exceptions.InvalidCredentials()
-        creds = cls._get_default(credentials_type)
-        if not creds.is_valid():
-            msg = ("The %s credentials are incorrectly set in the config file."
-                   " Double check that all required values are assigned" %
-                   credentials_type)
-            raise exceptions.InvalidConfiguration(msg)
-        return creds
-
-    @classmethod
-    def _get_default(cls, credentials_type):
-        raise NotImplementedError
+    def get_init_attributes(self):
+        return self._initial.keys()
 
     def is_valid(self):
         raise NotImplementedError
@@ -584,21 +551,8 @@
 
 class KeystoneV2Credentials(Credentials):
 
-    CONF_ATTRIBUTES = ['username', 'password', 'tenant_name']
-    ATTRIBUTES = ['user_id', 'tenant_id']
-    ATTRIBUTES.extend(CONF_ATTRIBUTES)
-
-    @classmethod
-    def _get_default(cls, credentials_type='user'):
-        params = {}
-        section, prefix = cls.TYPES[credentials_type]
-        for attr in cls.CONF_ATTRIBUTES:
-            _section = getattr(CONF, section)
-            if prefix is None:
-                params[attr] = getattr(_section, attr)
-            else:
-                params[attr] = getattr(_section, prefix + "_" + attr)
-        return cls(**params)
+    ATTRIBUTES = ['username', 'password', 'tenant_name', 'user_id',
+                  'tenant_id']
 
     def is_valid(self):
         """
@@ -608,16 +562,15 @@
         return None not in (self.username, self.password)
 
 
-class KeystoneV3Credentials(KeystoneV2Credentials):
+class KeystoneV3Credentials(Credentials):
     """
     Credentials suitable for the Keystone Identity V3 API
     """
 
-    CONF_ATTRIBUTES = ['domain_name', 'password', 'tenant_name', 'username']
-    ATTRIBUTES = ['project_domain_id', 'project_domain_name', 'project_id',
+    ATTRIBUTES = ['domain_name', 'password', 'tenant_name', 'username',
+                  'project_domain_id', 'project_domain_name', 'project_id',
                   'project_name', 'tenant_id', 'tenant_name', 'user_domain_id',
                   'user_domain_name', 'user_id']
-    ATTRIBUTES.extend(CONF_ATTRIBUTES)
 
     def __init__(self, **kwargs):
         """
diff --git a/tempest/clients.py b/tempest/clients.py
index 03928ba..cbc6571 100644
--- a/tempest/clients.py
+++ b/tempest/clients.py
@@ -15,7 +15,7 @@
 
 import copy
 
-from tempest import auth
+from tempest.common import cred_provider
 from tempest.common import negative_rest_client
 from tempest import config
 from tempest import manager
@@ -378,6 +378,7 @@
 
     def __init__(self, interface='json', service=None):
         super(AdminManager, self).__init__(
-            credentials=auth.get_default_credentials('identity_admin'),
+            credentials=cred_provider.get_configured_credentials(
+                'identity_admin'),
             interface=interface,
             service=service)
diff --git a/tempest/common/accounts.py b/tempest/common/accounts.py
index 66285e4..35a1f86 100644
--- a/tempest/common/accounts.py
+++ b/tempest/common/accounts.py
@@ -109,9 +109,9 @@
 
     def get_hash(self, creds):
         for _hash in self.hash_dict:
-            # Comparing on the attributes that are expected in the YAML
+            # Comparing on the attributes that were read from the YAML
             if all([getattr(creds, k) == self.hash_dict[_hash][k] for k in
-                    creds.CONF_ATTRIBUTES]):
+                    creds.get_init_attributes()]):
                 return _hash
         raise AttributeError('Invalid credentials %s' % creds)
 
@@ -191,7 +191,8 @@
             creds = self.get_creds(0)
             primary_credential = auth.get_credentials(**creds)
         else:
-            primary_credential = auth.get_default_credentials('user')
+            primary_credential = cred_provider.get_configured_credentials(
+                'user')
         self.isolated_creds['primary'] = primary_credential
         return primary_credential
 
@@ -202,7 +203,8 @@
             creds = self.get_creds(1)
             alt_credential = auth.get_credentials(**creds)
         else:
-            alt_credential = auth.get_default_credentials('alt_user')
+            alt_credential = cred_provider.get_configured_credentials(
+                'alt_user')
         self.isolated_creds['alt'] = alt_credential
         return alt_credential
 
@@ -210,4 +212,5 @@
         self.isolated_creds = {}
 
     def get_admin_creds(self):
-        return auth.get_default_credentials("identity_admin", fill_in=False)
+        return cred_provider.get_configured_credentials(
+            "identity_admin", fill_in=False)
diff --git a/tempest/common/cred_provider.py b/tempest/common/cred_provider.py
index c5be0c0..07fd03f 100644
--- a/tempest/common/cred_provider.py
+++ b/tempest/common/cred_provider.py
@@ -16,12 +16,55 @@
 
 import six
 
+from tempest import auth
 from tempest import config
+from tempest import exceptions
 from tempest.openstack.common import log as logging
 
 CONF = config.CONF
 LOG = logging.getLogger(__name__)
 
+# Type of credentials available from configuration
+CREDENTIAL_TYPES = {
+    'identity_admin': ('identity', 'admin'),
+    'user': ('identity', None),
+    'alt_user': ('identity', 'alt')
+}
+
+
+# Read credentials from configuration, builds a Credentials object
+# based on the specified or configured version
+def get_configured_credentials(credential_type, fill_in=True,
+                               identity_version=None):
+    identity_version = identity_version or CONF.identity.auth_version
+    if identity_version not in ('v2', 'v3'):
+        raise exceptions.InvalidConfiguration(
+            'Unsupported auth version: %s' % identity_version)
+    if credential_type not in CREDENTIAL_TYPES:
+        raise exceptions.InvalidCredentials()
+    conf_attributes = ['username', 'password', 'tenant_name']
+    if identity_version == 'v3':
+        conf_attributes.append('domain_name')
+    # Read the parts of credentials from config
+    params = {}
+    section, prefix = CREDENTIAL_TYPES[credential_type]
+    for attr in conf_attributes:
+        _section = getattr(CONF, section)
+        if prefix is None:
+            params[attr] = getattr(_section, attr)
+        else:
+            params[attr] = getattr(_section, prefix + "_" + attr)
+    # Build and validate credentials. We are reading configured credentials,
+    # so validate them even if fill_in is False
+    credentials = auth.get_credentials(fill_in=fill_in, **params)
+    if not fill_in:
+        if not credentials.is_valid():
+            msg = ("The %s credentials are incorrectly set in the config file."
+                   " Double check that all required values are assigned" %
+                   credential_type)
+            raise exceptions.InvalidConfiguration(msg)
+    return credentials
+
 
 @six.add_metaclass(abc.ABCMeta)
 class CredentialProvider(object):
diff --git a/tempest/manager.py b/tempest/manager.py
index 538b619..2b00e89 100644
--- a/tempest/manager.py
+++ b/tempest/manager.py
@@ -14,6 +14,7 @@
 #    under the License.
 
 from tempest import auth
+from tempest.common import cred_provider
 from tempest import config
 from tempest import exceptions
 
@@ -39,7 +40,7 @@
         """
         self.auth_version = CONF.identity.auth_version
         if credentials is None:
-            self.credentials = auth.get_default_credentials('user')
+            self.credentials = cred_provider.get_configured_credentials('user')
         else:
             self.credentials = credentials
         # Check if passed or default credentials are valid
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 6b44f64..7da7b12 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -21,8 +21,8 @@
 import six
 from tempest_lib import exceptions as lib_exc
 
-from tempest import auth
 from tempest import clients
+from tempest.common import cred_provider
 from tempest.common import credentials
 from tempest.common.utils import data_utils
 from tempest.common.utils.linux import remote_client
@@ -1321,8 +1321,9 @@
 
     @classmethod
     def credentials(cls):
-        admin_creds = auth.get_default_credentials('identity_admin')
-        creds = auth.get_default_credentials('user')
+        admin_creds = cred_provider.get_configured_credentials(
+            'identity_admin')
+        creds = cred_provider.get_configured_credentials('user')
         admin_creds.tenant_name = creds.tenant_name
         return admin_creds
 
diff --git a/tempest/scenario/utils.py b/tempest/scenario/utils.py
index f997a65..061f5c8 100644
--- a/tempest/scenario/utils.py
+++ b/tempest/scenario/utils.py
@@ -21,8 +21,8 @@
 import testscenarios
 import testtools
 
-from tempest import auth
 from tempest import clients
+from tempest.common import cred_provider
 from tempest.common.utils import misc
 from tempest import config
 from tempest import exceptions
@@ -101,7 +101,7 @@
 
     def __init__(self):
         os = clients.Manager(
-            auth.get_default_credentials('user', fill_in=False))
+            cred_provider.get_configured_credentials('user', fill_in=False))
         self.images_client = os.images_client
         self.flavors_client = os.flavors_client
         self.image_pattern = CONF.input_scenario.image_regex
diff --git a/tempest/tests/common/test_cred_provider.py b/tempest/tests/common/test_cred_provider.py
new file mode 100644
index 0000000..160ecaa
--- /dev/null
+++ b/tempest/tests/common/test_cred_provider.py
@@ -0,0 +1,97 @@
+# Copyright 2015 Hewlett-Packard Development Company, L.P.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from oslo.config import cfg
+
+from tempest import auth
+from tempest.common import cred_provider
+from tempest.common import tempest_fixtures as fixtures
+from tempest.services.identity.json import token_client as v2_client
+from tempest.services.identity.v3.json import token_client as v3_client
+from tempest.tests import fake_identity
+# Note: eventually the auth module will move to tempest-lib, and so wil its
+# unit tests. *CredentialsTests will be imported from tempest-lib then.
+from tempest.tests import test_credentials as test_creds
+
+
+class ConfiguredV2CredentialsTests(test_creds.CredentialsTests):
+    attributes = {
+        'username': 'fake_username',
+        'password': 'fake_password',
+        'tenant_name': 'fake_tenant_name'
+    }
+
+    identity_response = fake_identity._fake_v2_response
+    credentials_class = auth.KeystoneV2Credentials
+    tokenclient_class = v2_client.TokenClientJSON
+    identity_version = 'v2'
+
+    def setUp(self):
+        super(ConfiguredV2CredentialsTests, self).setUp()
+        self.stubs.Set(self.tokenclient_class, 'raw_request',
+                       self.identity_response)
+
+    def _verify_credentials(self, credentials_class, filled=True,
+                            identity_version=None):
+        for ctype in cred_provider.CREDENTIAL_TYPES:
+            if identity_version is None:
+                creds = cred_provider.get_configured_credentials(
+                    credential_type=ctype, fill_in=filled)
+            else:
+                creds = cred_provider.get_configured_credentials(
+                    credential_type=ctype, fill_in=filled,
+                    identity_version=identity_version)
+            self._check(creds, credentials_class, filled)
+
+    def test_get_configured_credentials(self):
+        self.useFixture(fixtures.LockFixture('auth_version'))
+        self._verify_credentials(credentials_class=self.credentials_class)
+
+    def test_get_configured_credentials_unfilled(self):
+        self.useFixture(fixtures.LockFixture('auth_version'))
+        self._verify_credentials(credentials_class=self.credentials_class,
+                                 filled=False)
+
+    def test_get_configured_credentials_version(self):
+        # version specified and not loaded from config
+        self.useFixture(fixtures.LockFixture('auth_version'))
+        self._verify_credentials(credentials_class=self.credentials_class,
+                                 identity_version=self.identity_version)
+
+    def test_is_valid(self):
+        creds = self._get_credentials()
+        self.assertTrue(creds.is_valid())
+
+
+class ConfiguredV3CredentialsTests(ConfiguredV2CredentialsTests):
+    attributes = {
+        'username': 'fake_username',
+        'password': 'fake_password',
+        'project_name': 'fake_project_name',
+        'user_domain_name': 'fake_domain_name'
+    }
+
+    credentials_class = auth.KeystoneV3Credentials
+    identity_response = fake_identity._fake_v3_response
+    tokenclient_class = v3_client.V3TokenClientJSON
+    identity_version = 'v3'
+
+    def setUp(self):
+        super(ConfiguredV3CredentialsTests, self).setUp()
+        # Additional config items reset by cfg fixture after each test
+        cfg.CONF.set_default('auth_version', 'v3', group='identity')
+        # Identity group items
+        for prefix in ['', 'alt_', 'admin_']:
+            cfg.CONF.set_default(prefix + 'domain_name', 'fake_domain_name',
+                                 group='identity')
diff --git a/tempest/tests/test_auth.py b/tempest/tests/test_auth.py
index 90bb8a7..785880d 100644
--- a/tempest/tests/test_auth.py
+++ b/tempest/tests/test_auth.py
@@ -30,11 +30,7 @@
 from tempest.tests import fake_identity
 
 
-def fake_get_default_credentials(credential_type, fill_in=True):
-    return fake_credentials.FakeCredentials()
-
-
-def fake_get_credentials(credential_type=None, fill_in=True, **kwargs):
+def fake_get_credentials(fill_in=True, **kwargs):
     return fake_credentials.FakeCredentials()
 
 
@@ -54,8 +50,6 @@
         self.stubs.Set(config, 'TempestConfigPrivate', fake_config.FakePrivate)
         self.fake_http = fake_http.fake_httplib2(return_type=200)
         self.stubs.Set(auth, 'get_credentials', fake_get_credentials)
-        self.stubs.Set(auth, 'get_default_credentials',
-                       fake_get_default_credentials)
         self.auth_provider = self._auth(self.credentials)
 
 
diff --git a/tempest/tests/test_credentials.py b/tempest/tests/test_credentials.py
index 6e447d6..3d0e171 100644
--- a/tempest/tests/test_credentials.py
+++ b/tempest/tests/test_credentials.py
@@ -37,6 +37,18 @@
             attributes = self.attributes
         return self.credentials_class(**attributes)
 
+    def _check(self, credentials, credentials_class, filled):
+        # Check the right version of credentials has been returned
+        self.assertIsInstance(credentials, credentials_class)
+        # Check the id attributes are filled in
+        attributes = [x for x in credentials.ATTRIBUTES if (
+            '_id' in x and x != 'domain_id')]
+        for attr in attributes:
+            if filled:
+                self.assertIsNotNone(getattr(credentials, attr))
+            else:
+                self.assertIsNone(getattr(credentials, attr))
+
     def setUp(self):
         super(CredentialsTests, self).setUp()
         self.useFixture(fake_config.ConfigFixture())
@@ -51,18 +63,6 @@
                           self._get_credentials,
                           attributes=dict(invalid='fake'))
 
-    def test_default(self):
-        self.useFixture(fixtures.LockFixture('auth_version'))
-        for ctype in self.credentials_class.TYPES:
-            self.assertRaises(NotImplementedError,
-                              self.credentials_class.get_default,
-                              credentials_type=ctype)
-
-    def test_invalid_default(self):
-        self.assertRaises(exceptions.InvalidCredentials,
-                          auth.Credentials.get_default,
-                          credentials_type='invalid_type')
-
     def test_is_valid(self):
         creds = self._get_credentials()
         self.assertRaises(NotImplementedError, creds.is_valid)
@@ -84,33 +84,9 @@
         self.stubs.Set(self.tokenclient_class, 'raw_request',
                        self.identity_response)
 
-    def _verify_credentials(self, credentials_class, filled=True,
-                            creds_dict=None):
-
-        def _check(credentials):
-            # Check the right version of credentials has been returned
-            self.assertIsInstance(credentials, credentials_class)
-            # Check the id attributes are filled in
-            attributes = [x for x in credentials.ATTRIBUTES if (
-                '_id' in x and x != 'domain_id')]
-            for attr in attributes:
-                if filled:
-                    self.assertIsNotNone(getattr(credentials, attr))
-                else:
-                    self.assertIsNone(getattr(credentials, attr))
-
-        if creds_dict is None:
-            for ctype in auth.Credentials.TYPES:
-                creds = auth.get_default_credentials(credential_type=ctype,
-                                                     fill_in=filled)
-                _check(creds)
-        else:
-            creds = auth.get_credentials(fill_in=filled, **creds_dict)
-            _check(creds)
-
-    def test_get_default_credentials(self):
-        self.useFixture(fixtures.LockFixture('auth_version'))
-        self._verify_credentials(credentials_class=self.credentials_class)
+    def _verify_credentials(self, credentials_class, creds_dict, filled=True):
+        creds = auth.get_credentials(fill_in=filled, **creds_dict)
+        self._check(creds, credentials_class, filled)
 
     def test_get_credentials(self):
         self.useFixture(fixtures.LockFixture('auth_version'))
@@ -120,8 +96,8 @@
     def test_get_credentials_not_filled(self):
         self.useFixture(fixtures.LockFixture('auth_version'))
         self._verify_credentials(credentials_class=self.credentials_class,
-                                 filled=False,
-                                 creds_dict=self.attributes)
+                                 creds_dict=self.attributes,
+                                 filled=False)
 
     def test_is_valid(self):
         creds = self._get_credentials()
@@ -144,15 +120,6 @@
         # credential requirements
         self._test_is_not_valid('tenant_name')
 
-    def test_default(self):
-        self.useFixture(fixtures.LockFixture('auth_version'))
-        for ctype in self.credentials_class.TYPES:
-            creds = self.credentials_class.get_default(credentials_type=ctype)
-            for attr in self.attributes.keys():
-                # Default configuration values related to credentials
-                # are defined as fake_* in fake_config.py
-                self.assertEqual(getattr(creds, attr), 'fake_' + attr)
-
     def test_reset_all_attributes(self):
         creds = self._get_credentials()
         initial_creds = copy.deepcopy(creds)
@@ -199,19 +166,6 @@
             cfg.CONF.set_default(prefix + 'domain_name', 'fake_domain_name',
                                  group='identity')
 
-    def test_default(self):
-        self.useFixture(fixtures.LockFixture('auth_version'))
-        for ctype in self.credentials_class.TYPES:
-            creds = self.credentials_class.get_default(credentials_type=ctype)
-            for attr in self.attributes.keys():
-                if attr == 'project_name':
-                    config_value = 'fake_tenant_name'
-                elif attr == 'user_domain_name':
-                    config_value = 'fake_domain_name'
-                else:
-                    config_value = 'fake_' + attr
-                self.assertEqual(getattr(creds, attr), config_value)
-
     def test_is_not_valid(self):
         # NOTE(mtreinish) For a Keystone V3 credential object a project name
         # is not required to be valid, so we skip that check. See tempest.auth