230 lines
7.6 KiB
Python
230 lines
7.6 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2012 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
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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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# @author: Ryota MIBU
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import sqlalchemy as sa
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from quantum.db import api as db
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from quantum.db import model_base
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from quantum.db import models_v2
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from quantum.db import securitygroups_db as sg_db
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from quantum.extensions import securitygroup as ext_sg
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from quantum import manager
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from quantum.openstack.common import log as logging
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# NOTE (e0ne): this import is needed for config init
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from quantum.plugins.nec.common import config
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from quantum.plugins.nec.common import exceptions as nexc
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from quantum.plugins.nec.db import models as nmodels
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LOG = logging.getLogger(__name__)
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OFP_VLAN_NONE = 0xffff
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resource_map = {'ofc_tenant': nmodels.OFCTenantMapping,
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'ofc_network': nmodels.OFCNetworkMapping,
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'ofc_port': nmodels.OFCPortMapping,
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'ofc_packet_filter': nmodels.OFCFilterMapping}
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old_resource_map = {'ofc_tenant': nmodels.OFCTenant,
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'ofc_network': nmodels.OFCNetwork,
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'ofc_port': nmodels.OFCPort,
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'ofc_packet_filter': nmodels.OFCFilter}
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# utitlity methods
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def _get_resource_model(resource, old_style):
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if old_style:
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return old_resource_map[resource]
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else:
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return resource_map[resource]
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def initialize():
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db.configure_db()
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def clear_db(base=model_base.BASEV2):
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db.clear_db(base)
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def get_ofc_item(session, resource, quantum_id, old_style=False):
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try:
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model = _get_resource_model(resource, old_style)
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return session.query(model).filter_by(quantum_id=quantum_id).one()
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except sa.orm.exc.NoResultFound:
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return None
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def get_ofc_id(session, resource, quantum_id, old_style=False):
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ofc_item = get_ofc_item(session, resource, quantum_id, old_style)
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if ofc_item:
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if old_style:
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return ofc_item.id
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else:
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return ofc_item.ofc_id
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else:
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return None
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def exists_ofc_item(session, resource, quantum_id, old_style=False):
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if get_ofc_item(session, resource, quantum_id, old_style):
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return True
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else:
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return False
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def find_ofc_item(session, resource, ofc_id, old_style=False):
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try:
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model = _get_resource_model(resource, old_style)
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if old_style:
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params = dict(id=ofc_id)
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else:
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params = dict(ofc_id=ofc_id)
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return (session.query(model).filter_by(**params).one())
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except sa.orm.exc.NoResultFound:
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return None
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def add_ofc_item(session, resource, quantum_id, ofc_id, old_style=False):
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try:
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model = _get_resource_model(resource, old_style)
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if old_style:
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params = dict(quantum_id=quantum_id, id=ofc_id)
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else:
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params = dict(quantum_id=quantum_id, ofc_id=ofc_id)
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item = model(**params)
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with session.begin(subtransactions=True):
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session.add(item)
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session.flush()
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except Exception as exc:
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LOG.exception(exc)
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raise nexc.NECDBException
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return item
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def del_ofc_item(session, resource, quantum_id, old_style=False,
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warning=True):
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try:
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model = _get_resource_model(resource, old_style)
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with session.begin(subtransactions=True):
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item = session.query(model).filter_by(quantum_id=quantum_id).one()
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session.delete(item)
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return True
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except sa.orm.exc.NoResultFound:
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if warning:
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LOG.warning(_("_del_ofc_item(): NotFound item "
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"(model=%(model)s, id=%(id)s) "),
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{'model': model, 'id': quantum_id})
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return False
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def get_ofc_id_lookup_both(session, resource, quantum_id):
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ofc_id = get_ofc_id(session, resource, quantum_id)
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# Lookup old style of OFC mapping table
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if not ofc_id:
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ofc_id = get_ofc_id(session, resource, quantum_id,
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old_style=True)
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if not ofc_id:
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reason = (_("NotFound %(resource)s for quantum_id=%(id)s.")
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% {'resource': resource, 'id': quantum_id})
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raise nexc.OFCConsistencyBroken(reason=reason)
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return ofc_id
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def exists_ofc_item_lookup_both(session, resource, quantum_id):
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if exists_ofc_item(session, resource, quantum_id):
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return True
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# Check old style of OFC mapping table
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if exists_ofc_item(session, resource, quantum_id,
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old_style=True):
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return True
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return False
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def del_ofc_item_lookup_both(session, resource, quantum_id):
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# Delete the mapping from new style of OFC mapping table
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if del_ofc_item(session, resource, quantum_id,
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old_style=False, warning=False):
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return
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# Delete old style of OFC mapping table
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if del_ofc_item(session, resource, quantum_id,
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old_style=True, warning=False):
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return
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# The specified resource not found
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LOG.warning(_("_del_ofc_item(): NotFound item "
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"(resource=%(resource)s, id=%(id)s) "),
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{'resource': resource, 'id': quantum_id})
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def get_portinfo(session, id):
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try:
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return (session.query(nmodels.PortInfo).
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filter_by(id=id).
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one())
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except sa.orm.exc.NoResultFound:
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return None
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def add_portinfo(session, id, datapath_id='', port_no=0,
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vlan_id=OFP_VLAN_NONE, mac=''):
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try:
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portinfo = nmodels.PortInfo(id=id, datapath_id=datapath_id,
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port_no=port_no, vlan_id=vlan_id, mac=mac)
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with session.begin(subtransactions=True):
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session.add(portinfo)
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except Exception as exc:
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LOG.exception(exc)
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raise nexc.NECDBException
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return portinfo
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def del_portinfo(session, id):
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try:
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with session.begin(subtransactions=True):
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portinfo = session.query(nmodels.PortInfo).filter_by(id=id).one()
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session.delete(portinfo)
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except sa.orm.exc.NoResultFound:
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LOG.warning(_("del_portinfo(): NotFound portinfo for "
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"port_id: %s"), id)
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def get_port_from_device(port_id):
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"""Get port from database"""
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LOG.debug(_("get_port_with_securitygroups() called:port_id=%s"), port_id)
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session = db.get_session()
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sg_binding_port = sg_db.SecurityGroupPortBinding.port_id
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query = session.query(models_v2.Port,
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sg_db.SecurityGroupPortBinding.security_group_id)
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query = query.outerjoin(sg_db.SecurityGroupPortBinding,
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models_v2.Port.id == sg_binding_port)
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query = query.filter(models_v2.Port.id == port_id)
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port_and_sgs = query.all()
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if not port_and_sgs:
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return None
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port = port_and_sgs[0][0]
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plugin = manager.QuantumManager.get_plugin()
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port_dict = plugin._make_port_dict(port)
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port_dict[ext_sg.SECURITYGROUPS] = [
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sg_id for port, sg_id in port_and_sgs if sg_id]
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port_dict['security_group_rules'] = []
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port_dict['security_group_source_groups'] = []
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port_dict['fixed_ips'] = [ip['ip_address']
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for ip in port['fixed_ips']]
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return port_dict
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