diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 32b9d7e..12d81cc 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -35,11 +35,13 @@
 from tempest.common import isolated_creds
 from tempest.common.utils import data_utils
 from tempest.common.utils.linux.remote_client import RemoteClient
+from tempest import config
 from tempest import exceptions
 import tempest.manager
 from tempest.openstack.common import log
 import tempest.test
 
+CONF = config.CONF
 
 LOG = log.getLogger(__name__)
 
@@ -89,14 +91,14 @@
         # each user that operations need to be performed for.
         self._validate_credentials(username, password, tenant_name)
 
-        auth_url = self.config.identity.uri
-        dscv = self.config.identity.disable_ssl_certificate_validation
-        region = self.config.identity.region
+        auth_url = CONF.identity.uri
+        dscv = CONF.identity.disable_ssl_certificate_validation
+        region = CONF.identity.region
 
         client_args = (username, password, tenant_name, auth_url)
 
         # Create our default Nova client to use in testing
-        service_type = self.config.compute.catalog_type
+        service_type = CONF.compute.catalog_type
         return novaclient.client.Client(self.NOVACLIENT_VERSION,
                                         *client_args,
                                         service_type=service_type,
@@ -107,17 +109,17 @@
 
     def _get_image_client(self):
         token = self.identity_client.auth_token
-        region = self.config.identity.region
+        region = CONF.identity.region
         endpoint = self.identity_client.service_catalog.url_for(
             attr='region', filter_value=region,
             service_type='image', endpoint_type='publicURL')
-        dscv = self.config.identity.disable_ssl_certificate_validation
+        dscv = CONF.identity.disable_ssl_certificate_validation
         return glanceclient.Client('1', endpoint=endpoint, token=token,
                                    insecure=dscv)
 
     def _get_volume_client(self, username, password, tenant_name):
-        auth_url = self.config.identity.uri
-        region = self.config.identity.region
+        auth_url = CONF.identity.uri
+        region = CONF.identity.region
         return cinderclient.client.Client(self.CINDERCLIENT_VERSION,
                                           username,
                                           password,
@@ -127,16 +129,16 @@
                                           http_log_debug=True)
 
     def _get_object_storage_client(self, username, password, tenant_name):
-        auth_url = self.config.identity.uri
+        auth_url = CONF.identity.uri
         # add current tenant to swift operator role group.
         keystone_admin = self._get_identity_client(
-            self.config.identity.admin_username,
-            self.config.identity.admin_password,
-            self.config.identity.admin_tenant_name)
+            CONF.identity.admin_username,
+            CONF.identity.admin_password,
+            CONF.identity.admin_tenant_name)
 
         # enable test user to operate swift by adding operator role to him.
         roles = keystone_admin.roles.list()
-        operator_role = self.config.object_storage.operator_role
+        operator_role = CONF.object_storage.operator_role
         member_role = [role for role in roles if role.name == operator_role][0]
         # NOTE(maurosr): This is surrounded in the try-except block cause
         # neutron tests doesn't have tenant isolation.
@@ -154,16 +156,16 @@
     def _get_orchestration_client(self, username=None, password=None,
                                   tenant_name=None):
         if not username:
-            username = self.config.identity.admin_username
+            username = CONF.identity.admin_username
         if not password:
-            password = self.config.identity.admin_password
+            password = CONF.identity.admin_password
         if not tenant_name:
-            tenant_name = self.config.identity.tenant_name
+            tenant_name = CONF.identity.tenant_name
 
         self._validate_credentials(username, password, tenant_name)
 
         keystone = self._get_identity_client(username, password, tenant_name)
-        region = self.config.identity.region
+        region = CONF.identity.region
         token = keystone.auth_token
         try:
             endpoint = keystone.service_catalog.url_for(
@@ -185,8 +187,8 @@
         # of the identity service, so use admin credentials by default.
         self._validate_credentials(username, password, tenant_name)
 
-        auth_url = self.config.identity.uri
-        dscv = self.config.identity.disable_ssl_certificate_validation
+        auth_url = CONF.identity.uri
+        dscv = CONF.identity.disable_ssl_certificate_validation
 
         return keystoneclient.v2_0.client.Client(username=username,
                                                  password=password,
@@ -201,14 +203,14 @@
         # preferable to authenticating as a specific user because
         # working with certain resources (public routers and networks)
         # often requires admin privileges anyway.
-        username = self.config.identity.admin_username
-        password = self.config.identity.admin_password
-        tenant_name = self.config.identity.admin_tenant_name
+        username = CONF.identity.admin_username
+        password = CONF.identity.admin_password
+        tenant_name = CONF.identity.admin_tenant_name
 
         self._validate_credentials(username, password, tenant_name)
 
-        auth_url = self.config.identity.uri
-        dscv = self.config.identity.disable_ssl_certificate_validation
+        auth_url = CONF.identity.uri
+        dscv = CONF.identity.disable_ssl_certificate_validation
 
         return neutronclient.v2_0.client.Client(username=username,
                                                 password=password,
@@ -252,12 +254,12 @@
 
     @classmethod
     def _get_credentials(cls, get_creds, prefix):
-        if cls.config.compute.allow_tenant_isolation:
+        if CONF.compute.allow_tenant_isolation:
             username, tenant_name, password = get_creds()
         else:
-            username = getattr(cls.config.identity, prefix + 'username')
-            password = getattr(cls.config.identity, prefix + 'password')
-            tenant_name = getattr(cls.config.identity, prefix + 'tenant_name')
+            username = getattr(CONF.identity, prefix + 'username')
+            password = getattr(CONF.identity, prefix + 'password')
+            tenant_name = getattr(CONF.identity, prefix + 'tenant_name')
         return username, password, tenant_name
 
     @classmethod
@@ -403,8 +405,8 @@
                       thing, log_status, new_status)
         if not tempest.test.call_until_true(
             check_status,
-            self.config.compute.build_timeout,
-            self.config.compute.build_interval):
+            CONF.compute.build_timeout,
+            CONF.compute.build_interval):
             message = ("Timed out waiting for thing %s "
                        "to become %s") % (thing_id, log_status)
             raise exceptions.TimeoutException(message)
@@ -454,9 +456,9 @@
         if name is None:
             name = data_utils.rand_name('scenario-server-')
         if image is None:
-            image = self.config.compute.image_ref
+            image = CONF.compute.image_ref
         if flavor is None:
-            flavor = self.config.compute.flavor_ref
+            flavor = CONF.compute.flavor_ref
         LOG.debug("Creating a server (name: %s, image: %s, flavor: %s)",
                   name, image, flavor)
         server = client.servers.create(name, image, flavor, **create_kwargs)
@@ -519,10 +521,10 @@
         if isinstance(server_or_ip, basestring):
             ip = server_or_ip
         else:
-            network_name_for_ssh = self.config.compute.network_for_ssh
+            network_name_for_ssh = CONF.compute.network_for_ssh
             ip = server_or_ip.networks[network_name_for_ssh][0]
         if username is None:
-            username = self.config.scenario.ssh_user
+            username = CONF.scenario.ssh_user
         if private_key is None:
             private_key = self.keypair.private_key
         return RemoteClient(ip, username, pkey=private_key)
@@ -542,7 +544,7 @@
 
     @classmethod
     def check_preconditions(cls):
-        if (cls.config.service_available.neutron):
+        if (CONF.service_available.neutron):
             cls.enabled = True
             # verify that neutron_available is telling the truth
             try:
@@ -558,13 +560,13 @@
     @classmethod
     def setUpClass(cls):
         super(NetworkScenarioTest, cls).setUpClass()
-        if cls.config.compute.allow_tenant_isolation:
+        if CONF.compute.allow_tenant_isolation:
             cls.tenant_id = cls.isolated_creds.get_primary_tenant().id
         else:
             cls.tenant_id = cls.manager._get_identity_client(
-                cls.config.identity.username,
-                cls.config.identity.password,
-                cls.config.identity.tenant_name).tenant_id
+                CONF.identity.username,
+                CONF.identity.password,
+                CONF.identity.tenant_name).tenant_id
 
     def _create_network(self, tenant_id, namestart='network-smoke-'):
         name = data_utils.rand_name(namestart)
@@ -619,12 +621,12 @@
         Create a subnet for the given network within the cidr block
         configured for tenant networks.
         """
-        cfg = self.config.network
-        tenant_cidr = netaddr.IPNetwork(cfg.tenant_network_cidr)
+        tenant_cidr = netaddr.IPNetwork(CONF.network.tenant_network_cidr)
         result = None
         # Repeatedly attempt subnet creation with sequential cidr
         # blocks until an unallocated block is found.
-        for subnet_cidr in tenant_cidr.subnet(cfg.tenant_network_mask_bits):
+        for subnet_cidr in tenant_cidr.subnet(
+            CONF.network.tenant_network_mask_bits):
             body = dict(
                 subnet=dict(
                     ip_version=4,
@@ -708,7 +710,7 @@
             return (proc.returncode == 0) == should_succeed
 
         return tempest.test.call_until_true(
-            ping, self.config.compute.ping_timeout, 1)
+            ping, CONF.compute.ping_timeout, 1)
 
     def _check_vm_connectivity(self, ip_address,
                                username=None,
@@ -904,7 +906,7 @@
         return rules
 
     def _ssh_to_server(self, server, private_key):
-        ssh_login = self.config.compute.image_ssh_user
+        ssh_login = CONF.compute.image_ssh_user
         return self.get_remote_client(server,
                                       username=ssh_login,
                                       private_key=private_key)
@@ -930,8 +932,8 @@
         network has, a tenant router will be created and returned that
         routes traffic to the public network.
         """
-        router_id = self.config.network.public_router_id
-        network_id = self.config.network.public_network_id
+        router_id = CONF.network.public_router_id
+        network_id = CONF.network.public_network_id
         if router_id:
             result = self.network_client.show_router(router_id)
             return net_common.AttributeDict(**result['router'])
@@ -984,14 +986,14 @@
     @classmethod
     def setUpClass(cls):
         super(OrchestrationScenarioTest, cls).setUpClass()
-        if not cls.config.service_available.heat:
+        if not CONF.service_available.heat:
             raise cls.skipException("Heat support is required")
 
     @classmethod
     def credentials(cls):
-        username = cls.config.identity.admin_username
-        password = cls.config.identity.admin_password
-        tenant_name = cls.config.identity.tenant_name
+        username = CONF.identity.admin_username
+        password = CONF.identity.admin_password
+        tenant_name = CONF.identity.tenant_name
         return username, password, tenant_name
 
     def _load_template(self, base_file, file_name):
@@ -1008,5 +1010,5 @@
     def _get_default_network(cls):
         networks = cls.network_client.list_networks()
         for net in networks['networks']:
-            if net['name'] == cls.config.compute.fixed_network_name:
+            if net['name'] == CONF.compute.fixed_network_name:
                 return net
diff --git a/tempest/scenario/orchestration/test_autoscaling.py b/tempest/scenario/orchestration/test_autoscaling.py
index be7f955..cd7a2b2 100644
--- a/tempest/scenario/orchestration/test_autoscaling.py
+++ b/tempest/scenario/orchestration/test_autoscaling.py
@@ -13,25 +13,28 @@
 import heatclient.exc as heat_exceptions
 import time
 
+from tempest import config
 from tempest.scenario import manager
 from tempest.test import attr
 from tempest.test import call_until_true
 from tempest.test import services
 from tempest.test import skip_because
 
+CONF = config.CONF
+
 
 class AutoScalingTest(manager.OrchestrationScenarioTest):
 
     def setUp(self):
         super(AutoScalingTest, self).setUp()
-        if not self.config.orchestration.image_ref:
+        if not CONF.orchestration.image_ref:
             raise self.skipException("No image available to test")
         self.client = self.orchestration_client
 
     def assign_keypair(self):
         self.stack_name = self._stack_rand_name()
-        if self.config.orchestration.keypair_name:
-            self.keypair_name = self.config.orchestration.keypair_name
+        if CONF.orchestration.keypair_name:
+            self.keypair_name = CONF.orchestration.keypair_name
         else:
             self.keypair = self.create_keypair()
             self.keypair_name = self.keypair.id
@@ -40,8 +43,8 @@
         net = self._get_default_network()
         self.parameters = {
             'KeyName': self.keypair_name,
-            'InstanceType': self.config.orchestration.instance_type,
-            'ImageId': self.config.orchestration.image_ref,
+            'InstanceType': CONF.orchestration.instance_type,
+            'ImageId': CONF.orchestration.image_ref,
             'StackStart': str(time.time()),
             'Subnet': net['subnets'][0]
         }
@@ -58,7 +61,7 @@
 
         # if a keypair was set, do not delete the stack on exit to allow
         # for manual post-mortums
-        if not self.config.orchestration.keypair_name:
+        if not CONF.orchestration.keypair_name:
             self.set_resource('stack', self.stack)
 
     @skip_because(bug="1257575")
@@ -70,7 +73,7 @@
         self.launch_stack()
 
         sid = self.stack_identifier
-        timeout = self.config.orchestration.build_timeout
+        timeout = CONF.orchestration.build_timeout
         interval = 10
 
         self.assertEqual('CREATE', self.stack.action)
diff --git a/tempest/scenario/test_cross_tenant_connectivity.py b/tempest/scenario/test_cross_tenant_connectivity.py
index 6fd10be..edcf091 100644
--- a/tempest/scenario/test_cross_tenant_connectivity.py
+++ b/tempest/scenario/test_cross_tenant_connectivity.py
@@ -15,6 +15,7 @@
 
 from tempest.common import debug
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest import exceptions
 from tempest.openstack.common import log as logging
 from tempest.scenario import manager
@@ -23,6 +24,8 @@
 from tempest.test import call_until_true
 from tempest.test import services
 
+CONF = config.CONF
+
 LOG = logging.getLogger(__name__)
 
 
@@ -131,8 +134,8 @@
             msg = 'No alt_tenant defined'
             cls.enabled = False
             raise cls.skipException(msg)
-        cfg = cls.config.network
-        if not (cfg.tenant_networks_reachable or cfg.public_network_id):
+        if not (CONF.network.tenant_networks_reachable or
+                CONF.network.public_network_id):
             msg = ('Either tenant_networks_reachable must be "true", or '
                    'public_network_id must be defined.')
             cls.enabled = False
@@ -166,7 +169,7 @@
         )
         for tenant in [cls.demo_tenant, cls.alt_tenant]:
             cls.tenants[tenant.tenant_id] = tenant
-        if not cls.config.network.public_router_id:
+        if not CONF.network.public_router_id:
             cls.floating_ip_access = True
         else:
             cls.floating_ip_access = False
@@ -277,7 +280,7 @@
         self._assign_floating_ips(server)
 
     def _assign_floating_ips(self, server):
-        public_network_id = self.config.network.public_network_id
+        public_network_id = CONF.network.public_network_id
         floating_ip = self._create_floating_ip(server, public_network_id)
         self.floating_ips.setdefault(server, floating_ip)
 
@@ -353,7 +356,7 @@
             return should_succeed
 
         return call_until_true(ping_remote,
-                               self.config.compute.ping_timeout,
+                               CONF.compute.ping_timeout,
                                1)
 
     def _check_connectivity(self, access_point, ip, should_succeed=True):
diff --git a/tempest/scenario/test_dashboard_basic_ops.py b/tempest/scenario/test_dashboard_basic_ops.py
index 98efcfb..19996e5 100644
--- a/tempest/scenario/test_dashboard_basic_ops.py
+++ b/tempest/scenario/test_dashboard_basic_ops.py
@@ -17,9 +17,12 @@
 
 from lxml import html
 
+from tempest import config
 from tempest.scenario import manager
 from tempest.test import services
 
+CONF = config.CONF
+
 
 class TestDashboardBasicOps(manager.OfficialClientTest):
 
@@ -35,16 +38,16 @@
         cls.set_network_resources()
         super(TestDashboardBasicOps, cls).setUpClass()
 
-        if not cls.config.service_available.horizon:
+        if not CONF.service_available.horizon:
             raise cls.skipException("Horizon support is required")
 
     def check_login_page(self):
-        response = urllib2.urlopen(self.config.dashboard.dashboard_url)
+        response = urllib2.urlopen(CONF.dashboard.dashboard_url)
         self.assertIn("<h3>Log In</h3>", response.read())
 
     def user_login(self):
         self.opener = urllib2.build_opener(urllib2.HTTPCookieProcessor())
-        response = self.opener.open(self.config.dashboard.dashboard_url).read()
+        response = self.opener.open(CONF.dashboard.dashboard_url).read()
 
         # Grab the CSRF token and default region
         csrf_token = html.fromstring(response).xpath(
@@ -53,17 +56,17 @@
             '//input[@name="region"]/@value')[0]
 
         # Prepare login form request
-        req = urllib2.Request(self.config.dashboard.login_url)
+        req = urllib2.Request(CONF.dashboard.login_url)
         req.add_header('Content-type', 'application/x-www-form-urlencoded')
-        req.add_header('Referer', self.config.dashboard.dashboard_url)
-        params = {'username': self.config.identity.username,
-                  'password': self.config.identity.password,
+        req.add_header('Referer', CONF.dashboard.dashboard_url)
+        params = {'username': CONF.identity.username,
+                  'password': CONF.identity.password,
                   'region': region,
                   'csrfmiddlewaretoken': csrf_token}
         self.opener.open(req, urllib.urlencode(params))
 
     def check_home_page(self):
-        response = self.opener.open(self.config.dashboard.dashboard_url)
+        response = self.opener.open(CONF.dashboard.dashboard_url)
         self.assertIn('Overview', response.read())
 
     @services('dashboard')
diff --git a/tempest/scenario/test_large_ops.py b/tempest/scenario/test_large_ops.py
index 25e2dab..e8030c9 100644
--- a/tempest/scenario/test_large_ops.py
+++ b/tempest/scenario/test_large_ops.py
@@ -14,10 +14,13 @@
 #    under the License.
 
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest.openstack.common import log as logging
 from tempest.scenario import manager
 from tempest.test import services
 
+CONF = config.CONF
+
 
 LOG = logging.getLogger(__name__)
 
@@ -67,12 +70,9 @@
         return image.id
 
     def glance_image_create(self):
-        aki_img_path = self.config.scenario.img_dir + "/" + \
-            self.config.scenario.aki_img_file
-        ari_img_path = self.config.scenario.img_dir + "/" + \
-            self.config.scenario.ari_img_file
-        ami_img_path = self.config.scenario.img_dir + "/" + \
-            self.config.scenario.ami_img_file
+        aki_img_path = CONF.scenario.img_dir + "/" + CONF.scenario.aki_img_file
+        ari_img_path = CONF.scenario.img_dir + "/" + CONF.scenario.ari_img_file
+        ami_img_path = CONF.scenario.img_dir + "/" + CONF.scenario.ami_img_file
         LOG.debug("paths: ami: %s, ari: %s, aki: %s"
                   % (ami_img_path, ari_img_path, aki_img_path))
         kernel_id = self._image_create('scenario-aki', 'aki', aki_img_path)
@@ -87,12 +87,12 @@
     def nova_boot(self):
         name = data_utils.rand_name('scenario-server-')
         client = self.compute_client
-        flavor_id = self.config.compute.flavor_ref
+        flavor_id = CONF.compute.flavor_ref
         secgroup = self._create_security_group_nova()
         self.servers = client.servers.create(
             name=name, image=self.image,
             flavor=flavor_id,
-            min_count=self.config.scenario.large_ops_number,
+            min_count=CONF.scenario.large_ops_number,
             security_groups=[secgroup.name])
         # needed because of bug 1199788
         self.servers = [x for x in client.servers.list() if name in x.name]
@@ -102,7 +102,7 @@
 
     @services('compute', 'image')
     def test_large_ops_scenario(self):
-        if self.config.scenario.large_ops_number < 1:
+        if CONF.scenario.large_ops_number < 1:
             return
         self.glance_image_create()
         self.nova_boot()
diff --git a/tempest/scenario/test_minimum_basic.py b/tempest/scenario/test_minimum_basic.py
index 26a4dc0..846e0cc 100644
--- a/tempest/scenario/test_minimum_basic.py
+++ b/tempest/scenario/test_minimum_basic.py
@@ -14,10 +14,12 @@
 #    under the License.
 
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest.openstack.common import log as logging
 from tempest.scenario import manager
 from tempest.test import services
 
+CONF = config.CONF
 
 LOG = logging.getLogger(__name__)
 
@@ -63,12 +65,9 @@
         return image.id
 
     def glance_image_create(self):
-        aki_img_path = self.config.scenario.img_dir + "/" + \
-            self.config.scenario.aki_img_file
-        ari_img_path = self.config.scenario.img_dir + "/" + \
-            self.config.scenario.ari_img_file
-        ami_img_path = self.config.scenario.img_dir + "/" + \
-            self.config.scenario.ami_img_file
+        aki_img_path = CONF.scenario.img_dir + "/" + CONF.scenario.aki_img_file
+        ari_img_path = CONF.scenario.img_dir + "/" + CONF.scenario.ari_img_file
+        ami_img_path = CONF.scenario.img_dir + "/" + CONF.scenario.ami_img_file
         LOG.debug("paths: ami: %s, ari: %s, aki: %s"
                   % (ami_img_path, ari_img_path, aki_img_path))
         kernel_id = self._image_create('scenario-aki', 'aki', aki_img_path)
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index aea5874..be0e045 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -103,8 +103,8 @@
     @classmethod
     def check_preconditions(cls):
         super(TestNetworkBasicOps, cls).check_preconditions()
-        cfg = cls.config.network
-        if not (cfg.tenant_networks_reachable or cfg.public_network_id):
+        if not (CONF.network.tenant_networks_reachable
+                or CONF.network.public_network_id):
             msg = ('Either tenant_networks_reachable must be "true", or '
                    'public_network_id must be defined.')
             cls.enabled = False
diff --git a/tempest/scenario/test_server_advanced_ops.py b/tempest/scenario/test_server_advanced_ops.py
index 45c24ca..9626157 100644
--- a/tempest/scenario/test_server_advanced_ops.py
+++ b/tempest/scenario/test_server_advanced_ops.py
@@ -13,10 +13,13 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from tempest import config
 from tempest.openstack.common import log as logging
 from tempest.scenario import manager
 from tempest.test import services
 
+CONF = config.CONF
+
 LOG = logging.getLogger(__name__)
 
 
@@ -34,13 +37,13 @@
         cls.set_network_resources()
         super(TestServerAdvancedOps, cls).setUpClass()
 
-        if not cls.config.compute_feature_enabled.resize:
+        if not CONF.compute_feature_enabled.resize:
             msg = "Skipping test - resize not available on this host"
             raise cls.skipException(msg)
 
-        resize_flavor = cls.config.compute.flavor_ref_alt
+        resize_flavor = CONF.compute.flavor_ref_alt
 
-        if resize_flavor == cls.config.compute.flavor_ref:
+        if resize_flavor == CONF.compute.flavor_ref:
             msg = "Skipping test - flavor_ref and flavor_ref_alt are identical"
             raise cls.skipException(msg)
 
@@ -49,7 +52,7 @@
         # We create an instance for use in this test
         instance = self.create_server()
         instance_id = instance.id
-        resize_flavor = self.config.compute.flavor_ref_alt
+        resize_flavor = CONF.compute.flavor_ref_alt
         LOG.debug("Resizing instance %s from flavor %s to flavor %s",
                   instance.id, instance.flavor, resize_flavor)
         instance.resize(resize_flavor)
diff --git a/tempest/scenario/test_server_basic_ops.py b/tempest/scenario/test_server_basic_ops.py
index 8779518..73ff6b4 100644
--- a/tempest/scenario/test_server_basic_ops.py
+++ b/tempest/scenario/test_server_basic_ops.py
@@ -15,12 +15,15 @@
 
 from tempest.common.utils import data_utils
 from tempest.common.utils import test_utils
+from tempest import config
 from tempest.openstack.common import log as logging
 from tempest.scenario import manager
 from tempest.test import services
 
 import testscenarios
 
+CONF = config.CONF
+
 LOG = logging.getLogger(__name__)
 
 # NOTE(andreaf) - nose does not honour the load_tests protocol
@@ -56,9 +59,9 @@
         # Setup image and flavor the test instance
         # Support both configured and injected values
         if not hasattr(self, 'image_ref'):
-            self.image_ref = self.config.compute.image_ref
+            self.image_ref = CONF.compute.image_ref
         if not hasattr(self, 'flavor_ref'):
-            self.flavor_ref = self.config.compute.flavor_ref
+            self.flavor_ref = CONF.compute.flavor_ref
         self.image_utils = test_utils.ImageUtils()
         if not self.image_utils.is_flavor_enough(self.flavor_ref,
                                                  self.image_ref):
@@ -67,7 +70,7 @@
                     image=self.image_ref, flavor=self.flavor_ref
                 )
             )
-        self.run_ssh = self.config.compute.run_ssh and \
+        self.run_ssh = CONF.compute.run_ssh and \
             self.image_utils.is_sshable_image(self.image_ref)
         self.ssh_user = self.image_utils.ssh_user(self.image_ref)
         LOG.debug('Starting test for i:{image}, f:{flavor}. '
diff --git a/tempest/scenario/test_snapshot_pattern.py b/tempest/scenario/test_snapshot_pattern.py
index 5ff8642..2bb3d84 100644
--- a/tempest/scenario/test_snapshot_pattern.py
+++ b/tempest/scenario/test_snapshot_pattern.py
@@ -13,10 +13,12 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
+from tempest import config
 from tempest.openstack.common import log
 from tempest.scenario import manager
 from tempest.test import services
 
+CONF = config.CONF
 
 LOG = log.getLogger(__name__)
 
@@ -74,8 +76,8 @@
         self._create_loginable_secgroup_rule_nova()
 
         # boot a instance and create a timestamp file in it
-        server = self._boot_image(self.config.compute.image_ref)
-        if self.config.compute.use_floatingip_for_ssh:
+        server = self._boot_image(CONF.compute.image_ref)
+        if CONF.compute.use_floatingip_for_ssh:
             fip_for_server = self._create_floating_ip()
             self._set_floating_ip_to_server(server, fip_for_server)
             self._write_timestamp(fip_for_server.ip)
@@ -89,7 +91,7 @@
         server_from_snapshot = self._boot_image(snapshot_image.id)
 
         # check the existence of the timestamp file in the second instance
-        if self.config.compute.use_floatingip_for_ssh:
+        if CONF.compute.use_floatingip_for_ssh:
             fip_for_snapshot = self._create_floating_ip()
             self._set_floating_ip_to_server(server_from_snapshot,
                                             fip_for_snapshot)
diff --git a/tempest/scenario/test_stamp_pattern.py b/tempest/scenario/test_stamp_pattern.py
index 84c7096..8d043ae 100644
--- a/tempest/scenario/test_stamp_pattern.py
+++ b/tempest/scenario/test_stamp_pattern.py
@@ -18,11 +18,14 @@
 from cinderclient import exceptions as cinder_exceptions
 
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest import exceptions
 from tempest.openstack.common import log as logging
 from tempest.scenario import manager
 import tempest.test
 
+CONF = config.CONF
+
 LOG = logging.getLogger(__name__)
 
 
@@ -113,7 +116,6 @@
 
     def _wait_for_volume_availible_on_the_system(self, server_or_ip):
         ssh = self.get_remote_client(server_or_ip)
-        conf = self.config
 
         def _func():
             part = ssh.get_partitions()
@@ -121,8 +123,8 @@
             return 'vdb' in part
 
         if not tempest.test.call_until_true(_func,
-                                            conf.compute.build_timeout,
-                                            conf.compute.build_interval):
+                                            CONF.compute.build_timeout,
+                                            CONF.compute.build_interval):
             raise exceptions.TimeoutException
 
     def _create_timestamp(self, server_or_ip):
@@ -148,10 +150,10 @@
 
         # boot an instance and create a timestamp file in it
         volume = self._create_volume()
-        server = self._boot_image(self.config.compute.image_ref)
+        server = self._boot_image(CONF.compute.image_ref)
 
         # create and add floating IP to server1
-        if self.config.compute.use_floatingip_for_ssh:
+        if CONF.compute.use_floatingip_for_ssh:
             floating_ip_for_server = self._create_floating_ip()
             self._add_floating_ip(server, floating_ip_for_server)
             ip_for_server = floating_ip_for_server.ip
@@ -177,7 +179,7 @@
         server_from_snapshot = self._boot_image(snapshot_image.id)
 
         # create and add floating IP to server_from_snapshot
-        if self.config.compute.use_floatingip_for_ssh:
+        if CONF.compute.use_floatingip_for_ssh:
             floating_ip_for_snapshot = self._create_floating_ip()
             self._add_floating_ip(server_from_snapshot,
                                   floating_ip_for_snapshot)
diff --git a/tempest/scenario/test_swift_basic_ops.py b/tempest/scenario/test_swift_basic_ops.py
index 5892e1e..b367f7f 100644
--- a/tempest/scenario/test_swift_basic_ops.py
+++ b/tempest/scenario/test_swift_basic_ops.py
@@ -15,10 +15,13 @@
 
 
 from tempest.common.utils.data_utils import rand_name
+from tempest import config
 from tempest.openstack.common import log as logging
 from tempest.scenario import manager
 from tempest.test import services
 
+CONF = config.CONF
+
 LOG = logging.getLogger(__name__)
 
 
@@ -39,7 +42,7 @@
     def setUpClass(cls):
         cls.set_network_resources()
         super(TestSwiftBasicOps, cls).setUpClass()
-        if not cls.config.service_available.swift:
+        if not CONF.service_available.swift:
             skip_msg = ("%s skipped as swift is not available" %
                         cls.__name__)
             raise cls.skipException(skip_msg)
diff --git a/tempest/scenario/test_volume_boot_pattern.py b/tempest/scenario/test_volume_boot_pattern.py
index c4f8ced..54851b5 100644
--- a/tempest/scenario/test_volume_boot_pattern.py
+++ b/tempest/scenario/test_volume_boot_pattern.py
@@ -11,11 +11,13 @@
 #    under the License.
 
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest.openstack.common import log
 from tempest.scenario import manager
 import tempest.test
 from tempest.test import services
 
+CONF = config.CONF
 
 LOG = log.getLogger(__name__)
 
@@ -36,7 +38,7 @@
     """
 
     def _create_volume_from_image(self):
-        img_uuid = self.config.compute.image_ref
+        img_uuid = CONF.compute.image_ref
         vol_name = data_utils.rand_name('volume-origin')
         return self.create_volume(name=vol_name, imageRef=img_uuid)
 
@@ -89,14 +91,14 @@
                                 'available')
 
     def _ssh_to_server(self, server, keypair):
-        if self.config.compute.use_floatingip_for_ssh:
+        if CONF.compute.use_floatingip_for_ssh:
             floating_ip = self.compute_client.floating_ips.create()
             fip_name = data_utils.rand_name('scenario-fip')
             self.set_resource(fip_name, floating_ip)
             server.add_floating_ip(floating_ip)
             ip = floating_ip.ip
         else:
-            network_name_for_ssh = self.config.compute.network_for_ssh
+            network_name_for_ssh = CONF.compute.network_for_ssh
             ip = server.networks[network_name_for_ssh][0]
 
         try: