[skip ci] Support Mitaka

Author: zhaoqin-github

f5lbaasdriver/v2/bigip/disconnected_service.py

@@ -13,8 +13,14 @@
 # limitations under the License.
 #
 
-from neutron.db import segments_db
 from neutron.plugins.ml2 import db
+
+try:
+    from neutron.db import segments_db
+except ImportError:
+    # Mitaka compatibility
+    segments_db = db
+
 from neutron.plugins.ml2 import models
 
 from oslo_log import log as logging

f5lbaasdriver/v2/bigip/driver_v2.py

@@ -26,7 +26,13 @@
 from neutron.callbacks import registry
 from neutron.callbacks import resources
 from neutron.plugins.common import constants as plugin_constants
-from neutron_lib.api.definitions import portbindings
+
+try:
+    from neutron_lib.api.definitions import portbindings
+except ImportError:
+    # Mitaka compatibility
+    from neutron.extensions import portbindings
+
 from neutron_lib import constants as q_const
 
 from neutron_lbaas.db.loadbalancer import models
@@ -122,9 +128,15 @@ def __init__(self, plugin=None, env=None):
         self.plugin.agent_notifiers.update(
             {q_const.AGENT_TYPE_LOADBALANCER: self.agent_rpc})
 
+        try:
+            after_init = events.AFTER_INIT
+        except AttributeError:
+            # Mitaka compatibility
+            after_init = events.AFTER_CREATE
+
         registry.subscribe(self._bindRegistryCallback(),
                            resources.PROCESS,
-                           events.AFTER_INIT)
+                           after_init)
 
     def _bindRegistryCallback(self):
         # Defines a callback function with name tied to driver env. Need to

f5lbaasdriver/v2/bigip/neutron_client.py

@@ -20,7 +20,11 @@
 from oslo_log import helpers as log_helpers
 from oslo_log import log as logging
 
-from neutron_lib.api.definitions import portbindings
+try:
+    from neutron_lib.api.definitions import portbindings
+except ImportError:
+    # Mitaka compatibility
+    from neutron.extensions import portbindings
 
 LOG = logging.getLogger(__name__)
 

f5lbaasdriver/v2/bigip/plugin_rpc.py

@@ -19,14 +19,25 @@
 
 from neutron.common import rpc as neutron_rpc
 from neutron.db import agents_db
-from neutron.db.models import agent as agents_model
+
+try:
+    from neutron.db.models import agent as agents_model
+except ImportError:
+    # Mitaka compatibility
+    agents_model = agents_db
+
 from neutron.plugins.common import constants as plugin_constants
 
 from neutron_lbaas.db.loadbalancer import models
 from neutron_lbaas.services.loadbalancer import constants as nlb_constant
 from neutron_lbaas.services.loadbalancer.data_models import LoadBalancer
 
-from neutron_lib.api.definitions import portbindings
+try:
+    from neutron_lib.api.definitions import portbindings
+except ImportError:
+    # Mitaka compatibility
+    from neutron.extensions import portbindings
+
 from neutron_lib import constants as neutron_const
 from neutron_lib import exceptions as q_exc
 from oslo_log import helpers as log_helpers