diff --git a/tempest/common/cred_provider.py b/tempest/common/cred_provider.py
new file mode 100644
index 0000000..dc4f049
--- /dev/null
+++ b/tempest/common/cred_provider.py
@@ -0,0 +1,44 @@
+# (c) 2014 Deutsche Telekom AG
+#    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.
+
+import abc
+import six
+
+from tempest import config
+from tempest.openstack.common import log as logging
+
+CONF = config.CONF
+LOG = logging.getLogger(__name__)
+
+
+@six.add_metaclass(abc.ABCMeta)
+class CredentialProvider(object):
+    def __init__(self, name, tempest_client=True, interface='json',
+                 password='pass', network_resources=None):
+        self.name = name
+
+    @abc.abstractmethod
+    def get_primary_creds(self):
+        return
+
+    @abc.abstractmethod
+    def get_admin_creds(self):
+        return
+
+    @abc.abstractmethod
+    def get_alt_creds(self):
+        return
+
+    @abc.abstractmethod
+    def clear_isolated_creds(self):
+        return
diff --git a/tempest/common/isolated_creds.py b/tempest/common/isolated_creds.py
index 208f42f..98b0116 100644
--- a/tempest/common/isolated_creds.py
+++ b/tempest/common/isolated_creds.py
@@ -16,6 +16,7 @@
 
 from tempest import auth
 from tempest import clients
+from tempest.common import cred_provider
 from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
@@ -25,15 +26,16 @@
 LOG = logging.getLogger(__name__)
 
 
-class IsolatedCreds(object):
+class IsolatedCreds(cred_provider.CredentialProvider):
 
     def __init__(self, name, tempest_client=True, interface='json',
                  password='pass', network_resources=None):
+        super(IsolatedCreds, self).__init__(name, tempest_client, interface,
+                                            password, network_resources)
         self.network_resources = network_resources
         self.isolated_creds = {}
         self.isolated_net_resources = {}
         self.ports = []
-        self.name = name
         self.tempest_client = tempest_client
         self.interface = interface
         self.password = password