Refactoring config options for cmd

Refactoring neutron configuration options for cmd to be in
neutron/conf. This would allow centralization of all configuration
options and provide an easy way to import.

Change-Id: I0bb7c88050aa5e931a53406d29b5b10c69c518bb
Partial-Bug: #1563069

neutron/cmd/ipset_cleanup.py

@@ -16,10 +16,10 @@
 from oslo_config import cfg
 from oslo_log import log as logging
 
-from neutron._i18n import _, _LE, _LI
+from neutron._i18n import _LE, _LI
-from neutron.agent.linux import ipset_manager
 from neutron.agent.linux import utils
 from neutron.common import config
+from neutron.conf.agent import cmd as command
 
 
 LOG = logging.getLogger(__name__)
@@ -31,22 +31,8 @@ def setup_conf():
     Use separate setup_conf for the utility because there are many options
     from the main config that do not apply during clean-up.
     """
-
-    cli_opts = [
-        cfg.BoolOpt('allsets',
-                    default=False,
-                    help=_('Destroy all IPsets.')),
-        cfg.BoolOpt('force',
-                    default=False,
-                    help=_('Destroy IPsets even if there is an iptables '
-                           'reference.')),
-        cfg.StrOpt('prefix',
-                   default=ipset_manager.NET_PREFIX,
-                   help=_('String prefix used to match IPset names.')),
-    ]
-
     conf = cfg.CONF
-    conf.register_cli_opts(cli_opts)
+    command.register_cmd_opts(command.ip_opts, conf)
     return conf
 
 

neutron/cmd/netns_cleanup.py

@@ -22,7 +22,7 @@ from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_utils import importutils
 
-from neutron._i18n import _, _LE
+from neutron._i18n import _LE
 from neutron.agent.common import config as agent_config
 from neutron.agent.common import ovs_lib
 from neutron.agent.l3 import agent as l3_agent
@@ -33,6 +33,7 @@ from neutron.agent.linux import external_process
 from neutron.agent.linux import interface
 from neutron.agent.linux import ip_lib
 from neutron.common import config
+from neutron.conf.agent import cmd
 from neutron.conf.agent import dhcp as dhcp_config
 
 
@@ -60,17 +61,8 @@ def setup_conf():
     from the main config that do not apply during clean-up.
     """
 
-    cli_opts = [
-        cfg.BoolOpt('force',
-                    default=False,
-                    help=_('Delete the namespace by removing all devices.')),
-        cfg.StrOpt('agent-type',
-                   choices=['dhcp', 'l3', 'lbaas'],
-                   help=_('Cleanup resources of a specific agent type only.')),
-    ]
-
     conf = cfg.CONF
-    conf.register_cli_opts(cli_opts)
+    cmd.register_cmd_opts(cmd.netns_opts, conf)
     agent_config.register_interface_driver_opts_helper(conf)
     dhcp_config.register_agent_dhcp_opts(conf)
     conf.register_opts(interface.OPTS)

neutron/cmd/ovs_cleanup.py

@@ -16,12 +16,13 @@
 from oslo_config import cfg
 from oslo_log import log as logging
 
-from neutron._i18n import _, _LI
+from neutron._i18n import _LI
 from neutron.agent.common import config as agent_config
 from neutron.agent.common import ovs_lib
 from neutron.agent.linux import interface
 from neutron.agent.linux import ip_lib
 from neutron.common import config
+from neutron.conf.agent import cmd
 from neutron.conf.agent.l3 import config as l3_config
 
 
@@ -34,17 +35,9 @@ def setup_conf():
     Use separate setup_conf for the utility because there are many options
     from the main config that do not apply during clean-up.
     """
-    opts = [
-        cfg.BoolOpt('ovs_all_ports',
-                    default=False,
-                    help=_('True to delete all ports on all the OpenvSwitch '
-                           'bridges. False to delete ports created by '
-                           'Neutron on integration and external network '
-                           'bridges.'))
-    ]
 
     conf = cfg.CONF
-    conf.register_cli_opts(opts)
+    cmd.register_cmd_opts(cmd.ovs_opts, conf)
     l3_config.register_l3_agent_config_opts(l3_config.OPTS, conf)
     conf.register_opts(interface.OPTS)
     agent_config.register_interface_driver_opts_helper(conf)

neutron/conf/agent/cmd.py

@@ -0,0 +1,52 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from oslo_config import cfg
+
+from neutron._i18n import _
+from neutron.agent.linux import ipset_manager
+
+
+ip_opts = [
+    cfg.BoolOpt('allsets',
+                default=False,
+                help=_('Destroy all IPsets.')),
+    cfg.BoolOpt('force',
+                default=False,
+                help=_('Destroy IPsets even if there is an iptables '
+                       'reference.')),
+    cfg.StrOpt('prefix',
+               default=ipset_manager.NET_PREFIX,
+               help=_('String prefix used to match IPset names.')),
+]
+
+netns_opts = [
+    cfg.BoolOpt('force',
+                default=False,
+                help=_('Delete the namespace by removing all devices.')),
+    cfg.StrOpt('agent-type',
+               choices=['dhcp', 'l3', 'lbaas'],
+               help=_('Cleanup resources of a specific agent type only.')),
+]
+
+ovs_opts = [
+    cfg.BoolOpt('ovs_all_ports',
+                default=False,
+                help=_('True to delete all ports on all the OpenvSwitch '
+                       'bridges. False to delete ports created by '
+                       'Neutron on integration and external network '
+                       'bridges.'))
+]
+
+
+def register_cmd_opts(opts, cfg=cfg.CONF):
+    cfg.register_cli_opts(opts)

neutron/tests/functional/cmd/test_ipset_cleanup.py

@@ -0,0 +1,31 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from neutron.agent.linux import ipset_manager
+from neutron.cmd import ipset_cleanup
+from neutron.conf.agent import cmd
+from neutron.tests import base
+
+
+class TestIPSetCLIConfig(base.BaseTestCase):
+
+    def setup_config(self, args=None):
+        self.conf = ipset_cleanup.setup_conf()
+        super(TestIPSetCLIConfig, self).setup_config(args=args)
+
+    def test_ipset_opts_registration(self):
+        self.assertFalse(self.conf.allsets)
+        self.assertFalse(self.conf.force)
+        self.assertEqual(ipset_manager.NET_PREFIX, self.conf.prefix)
+        # to unregister opts
+        self.conf.reset()
+        self.conf.unregister_opts(cmd.ip_opts)

neutron/tests/functional/cmd/test_netns_cleanup.py

@@ -19,6 +19,8 @@ from neutron.agent.l3 import agent as l3_agent
 from neutron.agent.linux import dhcp
 from neutron.agent.linux import ip_lib
 from neutron.cmd import netns_cleanup
+from neutron.conf.agent import cmd
+from neutron.tests import base as basetest
 from neutron.tests.common import net_helpers
 from neutron.tests.functional import base
 
@@ -64,3 +66,17 @@ class NetnsCleanupTest(base.BaseSudoTestCase):
         namespaces_now = ip_lib.IPWrapper.get_namespaces()
         self.assertNotIn(l3_namespace, namespaces_now)
         self.assertNotIn(dhcp_namespace, namespaces_now)
+
+
+class TestNETNSCLIConfig(basetest.BaseTestCase):
+
+    def setup_config(self, args=None):
+        self.conf = netns_cleanup.setup_conf()
+        super(TestNETNSCLIConfig, self).setup_config(args=args)
+
+    def test_netns_opts_registration(self):
+        self.assertFalse(self.conf.force)
+        self.assertIsNone(self.conf.get('agent_type'))
+        # to unregister opts
+        self.conf.reset()
+        self.conf.unregister_opts(cmd.netns_opts)

neutron/tests/functional/cmd/test_ovs_cleanup.py

@@ -0,0 +1,28 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from neutron.cmd import ovs_cleanup
+from neutron.conf.agent import cmd
+from neutron.tests import base
+
+
+class TestOVSCLIConfig(base.BaseTestCase):
+
+    def setup_config(self, args=None):
+        self.conf = ovs_cleanup.setup_conf()
+        super(TestOVSCLIConfig, self).setup_config(args=args)
+
+    def test_ovs_opts_registration(self):
+        self.assertFalse(self.conf.ovs_all_ports)
+        # to unregister opts
+        self.conf.reset()
+        self.conf.unregister_opts(cmd.ovs_opts)