453e8064a5
By using the on_missing_entrypoints_callback and on_load_failure_callback options[1] we can call a handler for the missing driver error properly. As the bug states, I logged it as a critical failure and terminated the neutron server. I used SystemExit, I wasn't sure if there was a more graceful way of exiting. [1] http://docs.openstack.org/developer/stevedore/managers.html Change-Id: Id18afd159d0b0ada0cc36964dd9c1ebe7a1cd94b Closes-Bug: #1659290
39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
# All Rights Reserved.
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#
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# Based on openvswitch mechanism driver.
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#
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# Copyright (c) 2013 OpenStack Foundation
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# All Rights Reserved.
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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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from neutron.plugins.ml2.drivers import mech_agent
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class FaultyAgentMechanismDriver(mech_agent.SimpleAgentMechanismDriverBase):
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"""ML2 mechanism driver for testing of handlers for faulty drivers
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The purpose of this class is to test the ml2 plugin manager handlers for
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on_load_failure_callback parameter provided by the
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stevedore.named.NamedExtensionManager class.
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"""
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def __init__(self):
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raise Exception("Using a faulty driver for testing purposes.")
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def get_allowed_network_types(self, agent):
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pass
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def get_mappings(self, agent):
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pass
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