115 lines
3.6 KiB
Python
Executable File
115 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import sys
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import types
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import mock
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from oslo_config import cfg
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from neutron.agent.l3 import agent
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from neutron.agent.l3 import namespaces
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from neutron.agent import l3_agent
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from neutron.common import constants
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class L3NATAgentForTest(agent.L3NATAgentWithStateReport):
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def __init__(self, host, conf=None):
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ns_suffix = '@%s' % cfg.CONF.test_namespace_suffix
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# Mock out building of namespace names
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orig_build_ns_name = namespaces.build_ns_name
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def build_ns_name(prefix, identifier):
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return "%s%s" % (orig_build_ns_name(prefix, identifier), ns_suffix)
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build_ns = mock.patch.object(namespaces, 'build_ns_name').start()
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build_ns.side_effect = build_ns_name
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# Mock the parsing prefix from namespace names
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orig_get_prefix = namespaces.get_prefix_from_ns_name
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def get_prefix_from_ns_name(ns_name):
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if ns_name.endswith(ns_suffix):
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return orig_get_prefix(ns_name[:-len(ns_suffix)])
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parse_prefix = mock.patch.object(namespaces,
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'get_prefix_from_ns_name').start()
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parse_prefix.side_effect = get_prefix_from_ns_name
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# Mock the parsing id from namespace names
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orig_get_id = namespaces.get_id_from_ns_name
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def get_id_from_ns_name(ns_name):
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if ns_name.endswith(ns_suffix):
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return orig_get_id(ns_name[:-len(ns_suffix)])
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parse_id = mock.patch.object(namespaces, 'get_id_from_ns_name').start()
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parse_id.side_effect = get_id_from_ns_name
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super(L3NATAgentForTest, self).__init__(host, conf)
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def _create_router(self, router_id, router):
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"""Create a router with suffix added to the router namespace name.
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This is needed to be able to run two agents serving the same router
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on the same node.
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"""
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router = (
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super(L3NATAgentForTest, self)._create_router(router_id, router))
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router.get_internal_device_name = types.MethodType(
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get_internal_device_name, router)
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router.get_external_device_name = types.MethodType(
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get_external_device_name, router)
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return router
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def _append_suffix(dev_name):
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# If dev_name = 'xyz123' and the suffix is 'hostB' then the result
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# will be 'xy_stB'
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return '%s_%s' % (dev_name[:-4], cfg.CONF.test_namespace_suffix[-3:])
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def get_internal_device_name(ri, port_id):
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return _append_suffix(
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(namespaces.INTERNAL_DEV_PREFIX + port_id)
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[:constants.LINUX_DEV_LEN])
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def get_external_device_name(ri, port_id):
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return _append_suffix(
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(namespaces.EXTERNAL_DEV_PREFIX + port_id)
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[:constants.LINUX_DEV_LEN])
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OPTS = [
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cfg.StrOpt('test_namespace_suffix', default='testprefix',
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help="Suffix to append to all namespace names."),
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]
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def register_opts(conf):
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conf.register_opts(OPTS)
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def main(manager='neutron.tests.common.agents.l3_agent.L3NATAgentForTest'):
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register_opts(cfg.CONF)
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l3_agent.main(manager=manager)
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if __name__ == "__main__":
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sys.exit(main())
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