diff --git a/tempest/stress/actions/server_create_destroy.py b/tempest/stress/actions/server_create_destroy.py
index 84c7cf5..4a9f0d5 100644
--- a/tempest/stress/actions/server_create_destroy.py
+++ b/tempest/stress/actions/server_create_destroy.py
@@ -13,14 +13,17 @@
 #    limitations under the License.
 
 from tempest.common.utils import data_utils
+from tempest import config
 import tempest.stress.stressaction as stressaction
 
+CONF = config.CONF
+
 
 class ServerCreateDestroyTest(stressaction.StressAction):
 
     def setUp(self, **kwargs):
-        self.image = self.manager.config.compute.image_ref
-        self.flavor = self.manager.config.compute.flavor_ref
+        self.image = CONF.compute.image_ref
+        self.flavor = CONF.compute.flavor_ref
 
     def run(self):
         name = data_utils.rand_name("instance")
diff --git a/tempest/stress/actions/ssh_floating.py b/tempest/stress/actions/ssh_floating.py
index 28de771..a34a20d 100644
--- a/tempest/stress/actions/ssh_floating.py
+++ b/tempest/stress/actions/ssh_floating.py
@@ -14,9 +14,12 @@
 import subprocess
 
 from tempest.common.utils import data_utils
+from tempest import config
 import tempest.stress.stressaction as stressaction
 import tempest.test
 
+CONF = config.CONF
+
 
 class FloatingStress(stressaction.StressAction):
 
@@ -109,8 +112,8 @@
         self.logger.info("Deleted Floating IP %s", str(self.floating['ip']))
 
     def setUp(self, **kwargs):
-        self.image = self.manager.config.compute.image_ref
-        self.flavor = self.manager.config.compute.flavor_ref
+        self.image = CONF.compute.image_ref
+        self.flavor = CONF.compute.flavor_ref
         self.vm_extra_args = kwargs.get('vm_extra_args', {})
         self.wait_after_vm_create = kwargs.get('wait_after_vm_create',
                                                True)
diff --git a/tempest/stress/actions/volume_attach_delete.py b/tempest/stress/actions/volume_attach_delete.py
index e6fcb81..c2e6072 100644
--- a/tempest/stress/actions/volume_attach_delete.py
+++ b/tempest/stress/actions/volume_attach_delete.py
@@ -12,14 +12,17 @@
 #    limitations under the License.
 
 from tempest.common.utils import data_utils
+from tempest import config
 import tempest.stress.stressaction as stressaction
 
+CONF = config.CONF
+
 
 class VolumeAttachDeleteTest(stressaction.StressAction):
 
     def setUp(self, **kwargs):
-        self.image = self.manager.config.compute.image_ref
-        self.flavor = self.manager.config.compute.flavor_ref
+        self.image = CONF.compute.image_ref
+        self.flavor = CONF.compute.flavor_ref
 
     def run(self):
         # Step 1: create volume
diff --git a/tempest/stress/driver.py b/tempest/stress/driver.py
index d37ab6d..d4689c4 100644
--- a/tempest/stress/driver.py
+++ b/tempest/stress/driver.py
@@ -20,11 +20,14 @@
 from tempest import clients
 from tempest.common import ssh
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest import exceptions
 from tempest.openstack.common import importutils
 from tempest.openstack.common import log as logging
 from tempest.stress import cleanup
 
+CONF = config.CONF
+
 LOG = logging.getLogger(__name__)
 processes = []
 
@@ -110,14 +113,13 @@
     """
     admin_manager = clients.AdminManager()
 
-    ssh_user = admin_manager.config.stress.target_ssh_user
-    ssh_key = admin_manager.config.stress.target_private_key_path
-    logfiles = admin_manager.config.stress.target_logfiles
-    log_check_interval = int(admin_manager.config.stress.log_check_interval)
-    default_thread_num = int(admin_manager.config.stress.
-                             default_thread_number_per_action)
+    ssh_user = CONF.stress.target_ssh_user
+    ssh_key = CONF.stress.target_private_key_path
+    logfiles = CONF.stress.target_logfiles
+    log_check_interval = int(CONF.stress.log_check_interval)
+    default_thread_num = int(CONF.stress.default_thread_number_per_action)
     if logfiles:
-        controller = admin_manager.config.stress.target_controller
+        controller = CONF.stress.target_controller
         computes = _get_compute_nodes(controller, ssh_user, ssh_key)
         for node in computes:
             do_ssh("rm -f %s" % logfiles, node, ssh_user, ssh_key)
diff --git a/tempest/thirdparty/boto/test_ec2_instance_run.py b/tempest/thirdparty/boto/test_ec2_instance_run.py
index 8a08cc2..19ddd18 100644
--- a/tempest/thirdparty/boto/test_ec2_instance_run.py
+++ b/tempest/thirdparty/boto/test_ec2_instance_run.py
@@ -18,6 +18,7 @@
 from tempest import clients
 from tempest.common.utils import data_utils
 from tempest.common.utils.linux.remote_client import RemoteClient
+from tempest import config
 from tempest import exceptions
 from tempest.openstack.common import log as logging
 from tempest.test import attr
@@ -27,6 +28,8 @@
 from tempest.thirdparty.boto.utils.wait import re_search_wait
 from tempest.thirdparty.boto.utils.wait import state_wait
 
+CONF = config.CONF
+
 LOG = logging.getLogger(__name__)
 
 
@@ -42,12 +45,11 @@
         cls.s3_client = cls.os.s3_client
         cls.ec2_client = cls.os.ec2api_client
         cls.zone = cls.ec2_client.get_good_zone()
-        config = cls.config
-        cls.materials_path = config.boto.s3_materials_path
-        ami_manifest = config.boto.ami_manifest
-        aki_manifest = config.boto.aki_manifest
-        ari_manifest = config.boto.ari_manifest
-        cls.instance_type = config.boto.instance_type
+        cls.materials_path = CONF.boto.s3_materials_path
+        ami_manifest = CONF.boto.ami_manifest
+        aki_manifest = CONF.boto.aki_manifest
+        ari_manifest = CONF.boto.ari_manifest
+        cls.instance_type = CONF.boto.instance_type
         cls.bucket_name = data_utils.rand_name("s3bucket-")
         cls.keypair_name = data_utils.rand_name("keypair-")
         cls.keypair = cls.ec2_client.create_key_pair(cls.keypair_name)
@@ -281,7 +283,7 @@
         # NOTE(afazekas): it may be reports availble before it is available
 
         ssh = RemoteClient(address.public_ip,
-                           self.os.config.compute.ssh_user,
+                           CONF.compute.ssh_user,
                            pkey=self.keypair.material)
         text = data_utils.rand_name("Pattern text for console output -")
         resp = ssh.write_to_console(text)
diff --git a/tempest/thirdparty/boto/test_s3_ec2_images.py b/tempest/thirdparty/boto/test_s3_ec2_images.py
index 4b7d9dd..722577b 100644
--- a/tempest/thirdparty/boto/test_s3_ec2_images.py
+++ b/tempest/thirdparty/boto/test_s3_ec2_images.py
@@ -17,10 +17,13 @@
 
 from tempest import clients
 from tempest.common.utils import data_utils
+from tempest import config
 from tempest.test import attr
 from tempest.thirdparty.boto.test import BotoTestCase
 from tempest.thirdparty.boto.utils.s3 import s3_upload_dir
 
+CONF = config.CONF
+
 
 class S3ImagesTest(BotoTestCase):
 
@@ -33,11 +36,10 @@
         cls.os = clients.Manager()
         cls.s3_client = cls.os.s3_client
         cls.images_client = cls.os.ec2api_client
-        config = cls.config
-        cls.materials_path = config.boto.s3_materials_path
-        cls.ami_manifest = config.boto.ami_manifest
-        cls.aki_manifest = config.boto.aki_manifest
-        cls.ari_manifest = config.boto.ari_manifest
+        cls.materials_path = CONF.boto.s3_materials_path
+        cls.ami_manifest = CONF.boto.ami_manifest
+        cls.aki_manifest = CONF.boto.aki_manifest
+        cls.ari_manifest = CONF.boto.ari_manifest
         cls.ami_path = cls.materials_path + os.sep + cls.ami_manifest
         cls.aki_path = cls.materials_path + os.sep + cls.aki_manifest
         cls.ari_path = cls.materials_path + os.sep + cls.ari_manifest