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Viewing changes to neutron/plugins/nec/db/router.py

  • Committer: Package Import Robot
  • Author(s): James Page
  • Date: 2015-03-30 11:17:19 UTC
  • mfrom: (1.1.21)
  • Revision ID: package-import@ubuntu.com-20150330111719-h0gx7233p4jkkgfh
Tags: 1:2015.1~b3-0ubuntu1
https://launchpad.net/bugs/1263539
* New upstream milestone release:
  - d/control: Align version requirements with upstream.
  - d/control: Add new dependency on oslo-log.
  - d/p/*: Rebase.
  - d/control,d/neutron-plugin-hyperv*: Dropped, decomposed into
    separate project upstream.
  - d/control,d/neutron-plugin-openflow*: Dropped, decomposed into
    separate project upstream.
  - d/neutron-common.install: Add neutron-rootwrap-daemon and 
    neutron-keepalived-state-change binaries.
  - d/rules: Ignore neutron-hyperv-agent when installing; only for Windows.
  - d/neutron-plugin-cisco.install: Drop neutron-cisco-cfg-agent as
    decomposed into separate project upstream.
  - d/neutron-plugin-vmware.install: Drop neutron-check-nsx-config and
    neutron-nsx-manage as decomposed into separate project upstream.
  - d/control: Add dependency on python-neutron-fwaas to neutron-l3-agent.
* d/pydist-overrides: Add overrides for oslo packages.
* d/control: Fixup type in package description (LP: #1263539).
* d/p/fixup-driver-test-execution.patch: Cherry pick fix from upstream VCS
  to support unit test exection in out-of-tree vendor drivers.
* d/neutron-common.postinst: Allow general access to /etc/neutron but limit
  access to root/neutron to /etc/neutron/neutron.conf to support execution
  of unit tests in decomposed vendor drivers.
* d/control: Add dependency on python-neutron-fwaas to neutron-l3-agent
  package.

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neutron/plugins/nec/db/router.py
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# Copyright 2013 NEC Corporation.  All rights reserved.
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#
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#    Licensed under the Apache License, Version 2.0 (the "License"); you may
4
 
#    not use this file except in compliance with the License. You may obtain
5
 
#    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
11
 
#    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.
14
 
 
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import sqlalchemy as sa
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from sqlalchemy import orm
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from sqlalchemy.orm import exc as sa_exc
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from neutron.db import l3_db
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from neutron.db import models_v2
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from neutron.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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class RouterProvider(models_v2.model_base.BASEV2):
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    """Represents a binding of router_id to provider."""
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    provider = sa.Column(sa.String(255))
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    router_id = sa.Column(sa.String(36),
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                          sa.ForeignKey('routers.id', ondelete="CASCADE"),
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                          primary_key=True)
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    router = orm.relationship(l3_db.Router, uselist=False,
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                              backref=orm.backref('provider', uselist=False,
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                                                  lazy='joined',
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                                                  cascade='delete'))
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def _get_router_providers_query(query, provider=None, router_ids=None):
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    if provider:
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        query = query.filter_by(provider=provider)
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    if router_ids:
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        column = RouterProvider.router_id
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        query = query.filter(column.in_(router_ids))
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    return query
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def get_router_providers(session, provider=None, router_ids=None):
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    """Retrieve a list of a pair of router ID and its provider."""
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    query = session.query(RouterProvider)
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    query = _get_router_providers_query(query, provider, router_ids)
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    return [{'provider': router.provider, 'router_id': router.router_id}
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            for router in query]
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def get_routers_by_provider(session, provider, router_ids=None):
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    """Retrieve a list of router IDs with the given provider."""
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    query = session.query(RouterProvider.router_id)
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    query = _get_router_providers_query(query, provider, router_ids)
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    return [router[0] for router in query]
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def get_router_count_by_provider(session, provider, tenant_id=None):
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    """Return the number of routers with the given provider."""
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    query = session.query(RouterProvider).filter_by(provider=provider)
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    if tenant_id:
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        query = (query.join('router').
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                 filter(l3_db.Router.tenant_id == tenant_id))
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    return query.count()
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def get_provider_by_router(session, router_id):
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    """Retrieve a provider of the given router."""
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    try:
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        binding = (session.query(RouterProvider).
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                   filter_by(router_id=router_id).
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                   one())
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    except sa_exc.NoResultFound:
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        return None
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    return binding.provider
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def add_router_provider_binding(session, provider, router_id):
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    """Add a router provider association."""
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    LOG.debug("Add provider binding "
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              "(router=%(router_id)s, provider=%(provider)s)",
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              {'router_id': router_id, 'provider': provider})
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    binding = RouterProvider(provider=provider, router_id=router_id)
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    session.add(binding)
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    return binding