Add cfg.CONF.import_group() to document option dependencies

This change documents option dependencies within the code and ensures
isolated test runs will work properly and not depend on other import side
effects.

Change-Id: I42aa0a496f64ecbae3f70af214b03e3dc9bae243

networking_arista/l3Plugin/arista_l3_driver.py

@@ -24,6 +24,7 @@ from networking_arista.common import api
 from networking_arista.common import exceptions as arista_exc
 
 LOG = logging.getLogger(__name__)
+cfg.CONF.import_group('l3_arista', 'networking_arista.common.config')
 
 EOS_UNREACHABLE_MSG = _('Unable to reach EOS')
 DEFAULT_VLAN = 1

networking_arista/ml2/drivers/type_arista_vlan.py

@@ -21,13 +21,13 @@ from oslo_log import log
 from neutron.plugins.ml2.drivers import type_vlan
 
 from networking_arista._i18n import _LI
-from networking_arista.common import config  # noqa
 from networking_arista.common import db_lib
 from networking_arista.common import exceptions as exc
 from networking_arista.ml2 import arista_ml2
 from networking_arista.ml2.drivers import driver_helpers
 
 LOG = log.getLogger(__name__)
+cfg.CONF.import_group('arista_type_driver', 'networking_arista.common.config')
 
 
 class AristaVlanTypeDriver(type_vlan.VlanTypeDriver):

networking_arista/ml2/mechanism_arista.py

@@ -26,7 +26,6 @@ from neutron.plugins.ml2.common import exceptions as ml2_exc
 from neutron.plugins.ml2 import driver_api
 
 from networking_arista._i18n import _, _LI, _LE
-from networking_arista.common import config  # noqa
 from networking_arista.common import db
 from networking_arista.common import db_lib
 from networking_arista.common import exceptions as arista_exc
@@ -34,6 +33,7 @@ from networking_arista.ml2 import arista_ml2
 from networking_arista.ml2 import sec_group_callback
 
 LOG = logging.getLogger(__name__)
+cfg.CONF.import_group('ml2_arista', 'networking_arista.common.config')
 
 # Messages
 EOS_UNREACHABLE_MSG = _('Unable to reach EOS')