18e444ee1f
Multiple plugins under metaplugin become 'q-plugin' topic consumers and a request from an agent is handled by one of them randomly. Fortunatly most of RPC callbacks are common for plugins but a problem occurs if an RPC is not supported by the received plugin. This is one of risks when using metaplugin. Fundamental fix of this problem (such as RPC delegation handling of metaplugin) is difficult since each plugin needs to modify. But when only one plugin has plugin specific RPCs and other RPCs are independet of plugins, if the plugin can be selected for RPC handling, the problem does not happen. Typical use case of metaplugin such as combination of an agent-based plugin and a controller-based plugin often applies to this condition. This patch adds 'rpc_flavor' configuration parameter to select an RPC handling plugin. If 'rpc_flavor' is specified, only the specified plugin becomes 'q-plugin' topic consumer. If 'rpc_flavor' is not specified, the behavior is same as previous one. Change-Id: If133b054bba53829cebe63c1e0ebe6099eb1fd95 Closes-bug: #1267330 DocImpact
56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2012, Nachi Ueno, NTT MCL, Inc.
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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 oslo.config import cfg
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meta_plugin_opts = [
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cfg.StrOpt('plugin_list', default='',
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help=_("List of plugins to load")),
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cfg.StrOpt('l3_plugin_list', default='',
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help=_("List of L3 plugins to load")),
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cfg.StrOpt('default_flavor', default='',
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help=_("Default flavor to use")),
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cfg.StrOpt('default_l3_flavor', default='',
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help=_("Default L3 flavor to use")),
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cfg.StrOpt('supported_extension_aliases', default='',
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help=_("Supported extension aliases")),
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cfg.StrOpt('extension_map', default='',
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help=_("A list of extensions, per plugin, to load.")),
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cfg.StrOpt('rpc_flavor', default='',
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help=_("Flavor of which plugin handles RPC")),
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]
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proxy_plugin_opts = [
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cfg.StrOpt('admin_user',
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help=_("Admin user")),
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cfg.StrOpt('admin_password',
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help=_("Admin password"),
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secret=True),
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cfg.StrOpt('admin_tenant_name',
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help=_("Admin tenant name")),
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cfg.StrOpt('auth_url',
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help=_("Authentication URL")),
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cfg.StrOpt('auth_strategy', default='keystone',
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help=_("The type of authentication to use")),
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cfg.StrOpt('auth_region',
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help=_("Authentication region")),
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]
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cfg.CONF.register_opts(meta_plugin_opts, "META")
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cfg.CONF.register_opts(proxy_plugin_opts, "PROXY")
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