095aa20e3e
If the controller supports it, pass a hash to the controller indicating the expected state that a REST transaction is updating. If the state is inconsistent, the controller will return an error indicating a conflict and the plugin/driver will trigger a full synchronization. For controllers that don't support the consistency hash, trigger a full background synchronization if the plugin tries to create a port and receives a 404 error due to the parent network not existing. Implements: blueprint bsn-auto-resync Change-Id: I07c92b011453f6bf81b8ee12661170817287cdd7
56 lines
1.5 KiB
Python
56 lines
1.5 KiB
Python
# Copyright 2014 OpenStack Foundation
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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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#
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"""bsn_consistencyhashes
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Revision ID: 81c553f3776c
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Revises: 24c7ea5160d7
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Create Date: 2014-02-26 18:56:00.402855
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"""
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# revision identifiers, used by Alembic.
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revision = '81c553f3776c'
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down_revision = '24c7ea5160d7'
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# Change to ['*'] if this migration applies to all plugins
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migration_for_plugins = [
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'neutron.plugins.bigswitch.plugin.NeutronRestProxyV2'
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]
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from alembic import op
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import sqlalchemy as sa
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from neutron.db import migration
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def upgrade(active_plugins=None, options=None):
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if not migration.should_run(active_plugins, migration_for_plugins):
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return
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op.create_table(
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'consistencyhashes',
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sa.Column('hash_id', sa.String(255), primary_key=True),
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sa.Column('hash', sa.String(255), nullable=False)
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)
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def downgrade(active_plugins=None, options=None):
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if not migration.should_run(active_plugins, migration_for_plugins):
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return
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op.drop_table('consistencyhashes')
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