6659428669
For pecan to support existing agent scheduler controllers, a couple of shim pecan controllers need to be added. These shim controllers will be used if there are extensions that have legacy controllers that have not been registered. The shim controller is just a passthrough to those legacy controllers. This may have the added benefit of support existing out of tree extensions that have defined their legacy extension controllers the same way. Changes to how the router(s) controllers determines whether something is a member action has been changed a bit to support this. Closes-Bug: #1552978 Co-Authored-By: Kevin Benton <kevin@benton.pub> Change-Id: Icec56676d83b604c3db3377838076d6429d61e48
74 lines
2.9 KiB
Python
74 lines
2.9 KiB
Python
# Copyright (c) 2015 Mirantis, 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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import collections
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from oslo_log import log as logging
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from pecan import hooks
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from neutron.common import exceptions
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from neutron import manager
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from neutron import quota
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from neutron.quota import resource_registry
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LOG = logging.getLogger(__name__)
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class QuotaEnforcementHook(hooks.PecanHook):
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priority = 130
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def before(self, state):
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resource = state.request.context.get('resource')
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items = state.request.context.get('resources')
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if state.request.method != 'POST' or not resource or not items:
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return
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plugin = manager.NeutronManager.get_plugin_for_resource(resource)
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# Store requested resource amounts grouping them by tenant
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deltas = collections.Counter(map(lambda x: x['tenant_id'], items))
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# Perform quota enforcement
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reservations = []
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neutron_context = state.request.context.get('neutron_context')
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for (tenant_id, delta) in deltas.items():
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try:
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reservation = quota.QUOTAS.make_reservation(
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neutron_context,
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tenant_id,
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{resource: delta},
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plugin)
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LOG.debug("Made reservation on behalf of %(tenant_id)s "
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"for: %(delta)s",
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{'tenant_id': tenant_id, 'delta': {resource: delta}})
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reservations.append(reservation)
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except exceptions.QuotaResourceUnknown as e:
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# Quotas cannot be enforced on this resource
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LOG.debug(e)
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# Save the reservations in the request context so that they can be
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# retrieved in the 'after' hook
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state.request.context['reservations'] = reservations
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def after(self, state):
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# Commit reservation(s)
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reservations = state.request.context.get('reservations')
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if not reservations:
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return
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neutron_context = state.request.context.get('neutron_context')
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with neutron_context.session.begin():
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# Commit the reservation(s)
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for reservation in reservations:
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quota.QUOTAS.commit_reservation(
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neutron_context, reservation.reservation_id)
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resource_registry.set_resources_dirty(neutron_context)
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