0a779b4389
Creating a wrapper driver for l2gw for hte TVD plugin This driver choose the actual driver based on the project id. Change-Id: I2edda8c780b7e14b36e3033108186ad63dd0449e
158 lines
6.4 KiB
Python
158 lines
6.4 KiB
Python
# Copyright 2015 VMware, Inc.
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#
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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 networking_l2gw.db.l2gateway import l2gateway_db
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from neutron_lib import exceptions as n_exc
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from neutron_lib.plugins import directory
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from oslo_log import log as logging
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from vmware_nsx.db import db as nsx_db
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from vmware_nsx.extensions import projectpluginmap
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from vmware_nsx.services.l2gateway.nsx_v import driver as v_driver
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from vmware_nsx.services.l2gateway.nsx_v3 import driver as t_driver
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LOG = logging.getLogger(__name__)
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class NsxTvdL2GatewayDriver(l2gateway_db.L2GatewayMixin):
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"""Class to handle API calls for L2 gateway and NSX-TVD plugin wrapper."""
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def __init__(self, plugin):
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super(NsxTvdL2GatewayDriver, self).__init__()
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self._plugin = plugin
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# supported drivers:
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self.drivers = {}
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try:
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self.drivers[projectpluginmap.NsxPlugins.NSX_T] = (
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t_driver.NsxV3Driver(plugin))
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except Exception:
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LOG.warning("NsxTvdL2GatewayDriver failed to initialize the NSX-T "
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"driver")
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self.drivers[projectpluginmap.NsxPlugins.NSX_T] = None
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try:
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self.drivers[projectpluginmap.NsxPlugins.NSX_V] = (
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v_driver.NsxvL2GatewayDriver(plugin))
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except Exception:
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LOG.warning("NsxTvdL2GatewayDriver failed to initialize the NSX-V "
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"driver")
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self.drivers[projectpluginmap.NsxPlugins.NSX_V] = None
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def _get_driver_for_project(self, context, project):
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"""Get the l2gw driver by the plugin of the project"""
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mapping = nsx_db.get_project_plugin_mapping(
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context.session, project)
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if mapping:
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plugin_type = mapping['plugin']
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else:
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msg = _("Couldn't find the plugin project %s is using") % project
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raise n_exc.InvalidInput(error_message=msg)
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if plugin_type not in self.drivers:
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msg = (_("Project %(project)s with plugin %(plugin)s has no "
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"support for L2GW") % {'project': project,
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'plugin': plugin_type})
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raise n_exc.InvalidInput(error_message=msg)
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# make sure the core plugin is supported
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core_plugin = directory.get_plugin()
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if not core_plugin.get_plugin_by_type(plugin_type):
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msg = (_("Plugin %(plugin)s for project %(project)s is not "
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"supported by the core plugin") % {'project': project,
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'plugin': plugin_type})
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raise n_exc.InvalidInput(error_message=msg)
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return self.drivers[plugin_type]
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def create_l2_gateway(self, context, l2_gateway):
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d = self._get_driver_for_project(
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context, l2_gateway['l2_gateway']['tenant_id'])
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return d.create_l2_gateway(context, l2_gateway)
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def create_l2_gateway_precommit(self, context, l2_gateway):
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# Not implemented by any of the plugins
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pass
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def create_l2_gateway_postcommit(self, context, l2_gateway):
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# Not implemented by any of the plugins
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pass
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def update_l2_gateway(self, context, l2_gateway):
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# Not implemented by any of the plugins
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pass
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def update_l2_gateway_precommit(self, context, l2_gateway):
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# Not implemented by any of the plugins
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pass
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def update_l2_gateway_postcommit(self, context, l2_gateway):
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# Not implemented by any of the plugins
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pass
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def create_l2_gateway_connection(self, context, l2_gateway_connection):
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d = self._get_driver_for_project(
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context,
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l2_gateway_connection['l2_gateway_connection']['tenant_id'])
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return d.create_l2_gateway_connection(context, l2_gateway_connection)
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def create_l2_gateway_connection_precommit(self, contex, gw_connection):
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# Not implemented by any of the plugins
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pass
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def create_l2_gateway_connection_postcommit(self, context, gw_connection):
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d = self._get_driver_for_project(context, gw_connection['tenant_id'])
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return d.create_l2_gateway_connection_postcommit(
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context, gw_connection)
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def _get_gw_connection_driver(self, context, l2gw_connection_id):
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l2gw_conn = self._plugin._get_l2_gateway_connection(
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context, l2gw_connection_id)
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return self._get_driver_for_project(context, l2gw_conn.tenant_id)
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def delete_l2_gateway_connection(self, context, l2_gateway_connection_id):
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d = self._get_gw_connection_driver(context, l2_gateway_connection_id)
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return d.delete_l2_gateway_connection(
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context, l2_gateway_connection_id)
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def delete_l2_gateway_connection_precommit(self, context,
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l2_gateway_connection):
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# Not implemented by any of the plugins
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pass
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def delete_l2_gateway_connection_postcommit(self, context,
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l2_gateway_connection_id):
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# Not implemented by any of the plugins
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#Note(asarfaty): in postcommit the l2_gateway_connection was already
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# deleted so we cannot decide on the plugin by the project of the
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# connection.
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pass
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def delete_l2_gateway(self, context, l2_gateway_id):
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l2gw = self._plugin._get_l2_gateway(context, l2_gateway_id)
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d = self._get_driver_for_project(
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context, l2gw['tenant_id'])
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return d.delete_l2_gateway(context, l2_gateway_id)
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def delete_l2_gateway_precommit(self, context, l2_gateway):
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# Not implemented by any of the plugins
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pass
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def delete_l2_gateway_postcommit(self, context, l2_gateway):
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# Not implemented by any of the plugins
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#Note(asarfaty): in postcommit the l2_gateway was already deleted
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# so we cannot decide on the plugin by the project of the gw.
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pass
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