Switch to oslo_log

Change-Id: Id9ce71a53f4392ea1bd408681d01b6174d86ae61
diff --git a/patrole_tempest_plugin/rbac_rule_validation.py b/patrole_tempest_plugin/rbac_rule_validation.py
index 7785eea..e11ae4c 100644
--- a/patrole_tempest_plugin/rbac_rule_validation.py
+++ b/patrole_tempest_plugin/rbac_rule_validation.py
@@ -13,8 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
-
+from oslo_log import log as logging
 from tempest import config
 from tempest.lib import exceptions
 
diff --git a/patrole_tempest_plugin/rbac_utils.py b/patrole_tempest_plugin/rbac_utils.py
index 7792cbd..1150416 100644
--- a/patrole_tempest_plugin/rbac_utils.py
+++ b/patrole_tempest_plugin/rbac_utils.py
@@ -14,11 +14,11 @@
 #    under the License.
 
 import json
-import logging
 import six
 import time
 import urllib3
 
+from oslo_log import log as logging
 from tempest import config
 
 from patrole_tempest_plugin import rbac_exceptions as rbac_exc
diff --git a/patrole_tempest_plugin/tests/api/image/test_images_rbac.py b/patrole_tempest_plugin/tests/api/image/test_images_rbac.py
index 9d257c0..7df5461 100644
--- a/patrole_tempest_plugin/tests/api/image/test_images_rbac.py
+++ b/patrole_tempest_plugin/tests/api/image/test_images_rbac.py
@@ -13,9 +13,9 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import logging
 from six import moves
 
+from oslo_log import log as logging
 from tempest import config
 from tempest.lib.common.utils import data_utils
 from tempest.lib import decorators