neutron-vpnaas/neutron/db/vpn/vpn_db.py
Swaminathan Vasudevan 7856f68ec3 VPN as a Service (VPNaaS) API and DataModel
implements:blueprint VPNaaS-Python-API

It provides the basic API and
DataModel for the "VPN As A
Service" feature that includes:
* VPNService
* IPsecSiteConnection
* IKEPolicy
* IPsecPolicy

Change-Id: I059d4db05118a4eecd388b8e8db0d714a8f9cb8f
2013-07-30 10:38:00 -07:00

592 lines
27 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# (c) Copyright 2013 Hewlett-Packard Development Company, L.P.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
# @author: Swaminathan Vasudevan, Hewlett-Packard.
import sqlalchemy as sa
from sqlalchemy import orm
from sqlalchemy.orm import exc
from neutron.common import constants as q_constants
from neutron.db import agentschedulers_db as agent_db
from neutron.db import api as qdbapi
from neutron.db import db_base_plugin_v2 as base_db
from neutron.db import l3_db
from neutron.db import model_base
from neutron.db import models_v2
from neutron.extensions import vpnaas
from neutron.extensions.vpnaas import VPNPluginBase
from neutron import manager
from neutron.openstack.common import log as logging
from neutron.openstack.common import uuidutils
from neutron.plugins.common import constants
LOG = logging.getLogger(__name__)
class IPsecPeerCidr(model_base.BASEV2):
"""Internal representation of a IPsec Peer Cidrs."""
cidr = sa.Column(sa.String(32), nullable=False, primary_key=True)
ipsec_site_connection_id = sa.Column(
sa.String(36),
sa.ForeignKey('ipsec_site_connections.id',
ondelete="CASCADE"),
primary_key=True)
class IPsecPolicy(model_base.BASEV2, models_v2.HasId, models_v2.HasTenant):
"""Represents a v2 IPsecPolicy Object."""
__tablename__ = 'ipsecpolicies'
name = sa.Column(sa.String(255))
description = sa.Column(sa.String(255))
transform_protocol = sa.Column(sa.Enum("esp", "ah", "ah-esp",
name="ipsec_transform_protocols"),
nullable=False)
auth_algorithm = sa.Column(sa.Enum("sha1",
name="vpn_auth_algorithms"),
nullable=False)
encryption_algorithm = sa.Column(sa.Enum("3des", "aes-128",
"aes-256", "aes-192",
name="vpn_encrypt_algorithms"),
nullable=False)
encapsulation_mode = sa.Column(sa.Enum("tunnel", "transport",
name="ipsec_encapsulations"),
nullable=False)
lifetime_units = sa.Column(sa.Enum("seconds", "kilobytes",
name="vpn_lifetime_units"),
nullable=False)
lifetime_value = sa.Column(sa.Integer, nullable=False)
pfs = sa.Column(sa.Enum("group2", "group5", "group14",
name="vpn_pfs"), nullable=False)
class IKEPolicy(model_base.BASEV2, models_v2.HasId, models_v2.HasTenant):
"""Represents a v2 IKEPolicy Object."""
__tablename__ = 'ikepolicies'
name = sa.Column(sa.String(255))
description = sa.Column(sa.String(255))
auth_algorithm = sa.Column(sa.Enum("sha1",
name="vpn_auth_algorithms"),
nullable=False)
encryption_algorithm = sa.Column(sa.Enum("3des", "aes-128",
"aes-256", "aes-192",
name="vpn_encrypt_algorithms"),
nullable=False)
phase1_negotiation_mode = sa.Column(sa.Enum("main",
name="ike_phase1_mode"),
nullable=False)
lifetime_units = sa.Column(sa.Enum("seconds", "kilobytes",
name="vpn_lifetime_units"),
nullable=False)
lifetime_value = sa.Column(sa.Integer, nullable=False)
ike_version = sa.Column(sa.Enum("v1", "v2", name="ike_versions"),
nullable=False)
pfs = sa.Column(sa.Enum("group2", "group5", "group14",
name="vpn_pfs"), nullable=False)
class IPsecSiteConnection(model_base.BASEV2,
models_v2.HasId, models_v2.HasTenant):
"""Represents a IPsecSiteConnection Object."""
__tablename__ = 'ipsec_site_connections'
name = sa.Column(sa.String(255))
description = sa.Column(sa.String(255))
peer_address = sa.Column(sa.String(64), nullable=False)
peer_id = sa.Column(sa.String(255), nullable=False)
route_mode = sa.Column(sa.String(8), nullable=False)
mtu = sa.Column(sa.Integer, nullable=False)
initiator = sa.Column(sa.Enum("bi-directional", "response-only",
name="vpn_initiators"), nullable=False)
auth_mode = sa.Column(sa.String(16), nullable=False)
psk = sa.Column(sa.String(255), nullable=False)
dpd_action = sa.Column(sa.Enum("hold", "clear",
"restart", "disabled",
"restart-by-peer", name="vpn_dpd_actions"),
nullable=False)
dpd_interval = sa.Column(sa.Integer, nullable=False)
dpd_timeout = sa.Column(sa.Integer, nullable=False)
status = sa.Column(sa.String(16), nullable=False)
admin_state_up = sa.Column(sa.Boolean(), nullable=False)
vpnservice_id = sa.Column(sa.String(36),
sa.ForeignKey('vpnservices.id'),
nullable=False)
ipsecpolicy_id = sa.Column(sa.String(36),
sa.ForeignKey('ipsecpolicies.id'),
nullable=False)
ikepolicy_id = sa.Column(sa.String(36),
sa.ForeignKey('ikepolicies.id'),
nullable=False)
ipsecpolicy = orm.relationship(
IPsecPolicy, backref='ipsec_site_connection')
ikepolicy = orm.relationship(IKEPolicy, backref='ipsec_site_connection')
peer_cidrs = orm.relationship(IPsecPeerCidr,
backref='ipsec_site_connection',
lazy='joined',
cascade='all, delete, delete-orphan')
class VPNService(model_base.BASEV2, models_v2.HasId, models_v2.HasTenant):
"""Represents a v2 VPNService Object."""
name = sa.Column(sa.String(255))
description = sa.Column(sa.String(255))
status = sa.Column(sa.String(16), nullable=False)
admin_state_up = sa.Column(sa.Boolean(), nullable=False)
subnet_id = sa.Column(sa.String(36), sa.ForeignKey('subnets.id'),
nullable=False)
router_id = sa.Column(sa.String(36), sa.ForeignKey('routers.id'),
nullable=False)
subnet = orm.relationship(models_v2.Subnet)
router = orm.relationship(l3_db.Router)
ipsec_site_connections = orm.relationship(
IPsecSiteConnection,
backref='vpnservice',
cascade="all, delete-orphan")
class VPNPluginDb(VPNPluginBase, base_db.CommonDbMixin):
"""VPN plugin database class using SQLAlchemy models."""
def __init__(self):
"""Do the initialization for the vpn service plugin here."""
qdbapi.register_models()
def update_status(self, context, model, v_id, status):
with context.session.begin(subtransactions=True):
v_db = self._get_resource(context, model, v_id)
v_db.update({'status': status})
def _get_resource(self, context, model, v_id):
try:
r = self._get_by_id(context, model, v_id)
except exc.NoResultFound:
if issubclass(model, IPsecSiteConnection):
raise vpnaas.IPsecSiteConnectionNotFound(
ipsec_site_conn_id=v_id
)
elif issubclass(model, IKEPolicy):
raise vpnaas.IKEPolicyNotFound(ikepolicy_id=v_id)
elif issubclass(model, IPsecPolicy):
raise vpnaas.IPsecPolicyNotFound(ipsecpolicy_id=v_id)
elif issubclass(model, VPNService):
raise vpnaas.VPNServiceNotFound(vpnservice_id=v_id)
else:
raise
return r
def assert_update_allowed(self, obj):
status = getattr(obj, 'status', None)
if status != constants.ACTIVE:
raise vpnaas.VPNStateInvalid(id=id, state=status)
def _make_ipsec_site_connection_dict(self, ipsec_site_conn, fields=None):
res = {'id': ipsec_site_conn['id'],
'tenant_id': ipsec_site_conn['tenant_id'],
'name': ipsec_site_conn['name'],
'description': ipsec_site_conn['description'],
'peer_address': ipsec_site_conn['peer_address'],
'peer_id': ipsec_site_conn['peer_id'],
'route_mode': ipsec_site_conn['route_mode'],
'mtu': ipsec_site_conn['mtu'],
'auth_mode': ipsec_site_conn['auth_mode'],
'psk': ipsec_site_conn['psk'],
'initiator': ipsec_site_conn['initiator'],
'dpd': {
'action': ipsec_site_conn['dpd_action'],
'interval': ipsec_site_conn['dpd_interval'],
'timeout': ipsec_site_conn['dpd_timeout']
},
'admin_state_up': ipsec_site_conn['admin_state_up'],
'status': ipsec_site_conn['status'],
'vpnservice_id': ipsec_site_conn['vpnservice_id'],
'ikepolicy_id': ipsec_site_conn['ikepolicy_id'],
'ipsecpolicy_id': ipsec_site_conn['ipsecpolicy_id'],
'peer_cidrs': [pcidr['cidr']
for pcidr in ipsec_site_conn['peer_cidrs']]
}
return self._fields(res, fields)
def create_ipsec_site_connection(self, context, ipsec_site_connection):
ipsec_sitecon = ipsec_site_connection['ipsec_site_connection']
dpd = ipsec_sitecon['dpd']
ipsec_sitecon['dpd_action'] = dpd.get('action', 'hold')
ipsec_sitecon['dpd_interval'] = dpd.get('interval', 30)
ipsec_sitecon['dpd_timeout'] = dpd.get('timeout', 120)
tenant_id = self._get_tenant_id_for_create(context, ipsec_sitecon)
if ipsec_sitecon['dpd_timeout'] < ipsec_sitecon['dpd_interval']:
raise vpnaas.IPsecSiteConnectionDpdIntervalValueError(
attribute_a='dpd_timeout')
with context.session.begin(subtransactions=True):
#Check permissions
self._get_resource(context,
VPNService,
ipsec_sitecon['vpnservice_id'])
self._get_resource(context,
IKEPolicy,
ipsec_sitecon['ikepolicy_id'])
self._get_resource(context,
IPsecPolicy,
ipsec_sitecon['ipsecpolicy_id'])
ipsec_site_conn_db = IPsecSiteConnection(
id=uuidutils.generate_uuid(),
tenant_id=tenant_id,
name=ipsec_sitecon['name'],
description=ipsec_sitecon['description'],
peer_address=ipsec_sitecon['peer_address'],
peer_id=ipsec_sitecon['peer_id'],
route_mode='static',
mtu=ipsec_sitecon['mtu'],
auth_mode='psk',
psk=ipsec_sitecon['psk'],
initiator=ipsec_sitecon['initiator'],
dpd_action=ipsec_sitecon['dpd_action'],
dpd_interval=ipsec_sitecon['dpd_interval'],
dpd_timeout=ipsec_sitecon['dpd_timeout'],
admin_state_up=ipsec_sitecon['admin_state_up'],
status=constants.PENDING_CREATE,
vpnservice_id=ipsec_sitecon['vpnservice_id'],
ikepolicy_id=ipsec_sitecon['ikepolicy_id'],
ipsecpolicy_id=ipsec_sitecon['ipsecpolicy_id']
)
context.session.add(ipsec_site_conn_db)
for cidr in ipsec_sitecon['peer_cidrs']:
peer_cidr_db = IPsecPeerCidr(
cidr=cidr,
ipsec_site_connection_id=ipsec_site_conn_db['id']
)
context.session.add(peer_cidr_db)
return self._make_ipsec_site_connection_dict(ipsec_site_conn_db)
def update_ipsec_site_connection(
self, context,
ipsec_site_conn_id, ipsec_site_connection):
ipsec_sitecon = ipsec_site_connection['ipsec_site_connection']
dpd = ipsec_sitecon.get('dpd', {})
if dpd.get('action'):
ipsec_sitecon['dpd_action'] = dpd.get('action')
if dpd.get('interval'):
ipsec_sitecon['dpd_interval'] = dpd.get('interval')
if dpd.get('timeout'):
ipsec_sitecon['dpd_timeout'] = dpd.get('timeout')
changed_peer_cidrs = False
with context.session.begin(subtransactions=True):
ipsec_site_conn_db = self._get_resource(
context,
IPsecSiteConnection,
ipsec_site_conn_id)
self.assert_update_allowed(ipsec_site_conn_db)
if "peer_cidrs" in ipsec_sitecon:
changed_peer_cidrs = True
old_peer_cidr_list = ipsec_site_conn_db['peer_cidrs']
old_peer_cidr_dict = dict(
(peer_cidr['cidr'], peer_cidr)
for peer_cidr in old_peer_cidr_list)
new_peer_cidr_set = set(ipsec_sitecon["peer_cidrs"])
old_peer_cidr_set = set(old_peer_cidr_dict)
new_peer_cidrs = list(new_peer_cidr_set)
for peer_cidr in old_peer_cidr_set - new_peer_cidr_set:
context.session.delete(old_peer_cidr_dict[peer_cidr])
for peer_cidr in new_peer_cidr_set - old_peer_cidr_set:
pcidr = IPsecPeerCidr(
cidr=peer_cidr,
ipsec_site_connection_id=ipsec_site_conn_id)
context.session.add(pcidr)
del ipsec_sitecon["peer_cidrs"]
if ipsec_sitecon:
ipsec_site_conn_db.update(ipsec_sitecon)
result = self._make_ipsec_site_connection_dict(ipsec_site_conn_db)
if changed_peer_cidrs:
result['peer_cidrs'] = new_peer_cidrs
return result
def delete_ipsec_site_connection(self, context, ipsec_site_conn_id):
with context.session.begin(subtransactions=True):
ipsec_site_conn_db = self._get_resource(
context, IPsecSiteConnection, ipsec_site_conn_id
)
context.session.delete(ipsec_site_conn_db)
def get_ipsec_site_connection(self, context,
ipsec_site_conn_id, fields=None):
ipsec_site_conn_db = self._get_resource(
context, IPsecSiteConnection, ipsec_site_conn_id
)
return self._make_ipsec_site_connection_dict(
ipsec_site_conn_db, fields)
def get_ipsec_site_connections(self, context, filters=None, fields=None):
return self._get_collection(context, IPsecSiteConnection,
self._make_ipsec_site_connection_dict,
filters=filters, fields=fields)
def _make_ikepolicy_dict(self, ikepolicy, fields=None):
res = {'id': ikepolicy['id'],
'tenant_id': ikepolicy['tenant_id'],
'name': ikepolicy['name'],
'description': ikepolicy['description'],
'auth_algorithm': ikepolicy['auth_algorithm'],
'encryption_algorithm': ikepolicy['encryption_algorithm'],
'phase1_negotiation_mode': ikepolicy['phase1_negotiation_mode'],
'lifetime': {
'units': ikepolicy['lifetime_units'],
'value': ikepolicy['lifetime_value'],
},
'ike_version': ikepolicy['ike_version'],
'pfs': ikepolicy['pfs']
}
return self._fields(res, fields)
def create_ikepolicy(self, context, ikepolicy):
ike = ikepolicy['ikepolicy']
tenant_id = self._get_tenant_id_for_create(context, ike)
lifetime_info = ike.get('lifetime', [])
lifetime_units = lifetime_info.get('unit', 'seconds')
lifetime_value = lifetime_info.get('value', 3600)
with context.session.begin(subtransactions=True):
ike_db = IKEPolicy(
id=uuidutils.generate_uuid(),
tenant_id=tenant_id,
name=ike['name'],
description=ike['description'],
auth_algorithm=ike['auth_algorithm'],
encryption_algorithm=ike['encryption_algorithm'],
phase1_negotiation_mode=ike['phase1_negotiation_mode'],
lifetime_units=lifetime_units,
lifetime_value=lifetime_value,
ike_version=ike['ike_version'],
pfs=ike['pfs']
)
context.session.add(ike_db)
return self._make_ikepolicy_dict(ike_db)
def update_ikepolicy(self, context, ikepolicy_id, ikepolicy):
ike = ikepolicy['ikepolicy']
with context.session.begin(subtransactions=True):
ikepolicy = context.session.query(IPsecSiteConnection).filter_by(
ikepolicy_id=ikepolicy_id).first()
if ikepolicy:
raise vpnaas.IKEPolicyInUse(ikepolicy_id=ikepolicy_id)
ike_db = self._get_resource(context, IKEPolicy, ikepolicy_id)
if ike:
lifetime_info = ike.get('lifetime')
if lifetime_info:
if lifetime_info.get('units'):
ike['lifetime_units'] = lifetime_info['units']
if lifetime_info.get('value'):
ike['lifetime_value'] = lifetime_info['value']
ike_db.update(ike)
return self._make_ikepolicy_dict(ike_db)
def delete_ikepolicy(self, context, ikepolicy_id):
with context.session.begin(subtransactions=True):
ikepolicy = context.session.query(IPsecSiteConnection).filter_by(
ikepolicy_id=ikepolicy_id).first()
if ikepolicy:
raise vpnaas.IKEPolicyInUse(ikepolicy_id=ikepolicy_id)
ike_db = self._get_resource(context, IKEPolicy, ikepolicy_id)
context.session.delete(ike_db)
def get_ikepolicy(self, context, ikepolicy_id, fields=None):
ike_db = self._get_resource(context, IKEPolicy, ikepolicy_id)
return self._make_ikepolicy_dict(ike_db, fields)
def get_ikepolicies(self, context, filters=None, fields=None):
return self._get_collection(context, IKEPolicy,
self._make_ikepolicy_dict,
filters=filters, fields=fields)
def _make_ipsecpolicy_dict(self, ipsecpolicy, fields=None):
res = {'id': ipsecpolicy['id'],
'tenant_id': ipsecpolicy['tenant_id'],
'name': ipsecpolicy['name'],
'description': ipsecpolicy['description'],
'transform_protocol': ipsecpolicy['transform_protocol'],
'auth_algorithm': ipsecpolicy['auth_algorithm'],
'encryption_algorithm': ipsecpolicy['encryption_algorithm'],
'encapsulation_mode': ipsecpolicy['encapsulation_mode'],
'lifetime': {
'units': ipsecpolicy['lifetime_units'],
'value': ipsecpolicy['lifetime_value'],
},
'pfs': ipsecpolicy['pfs']
}
return self._fields(res, fields)
def create_ipsecpolicy(self, context, ipsecpolicy):
ipsecp = ipsecpolicy['ipsecpolicy']
tenant_id = self._get_tenant_id_for_create(context, ipsecp)
lifetime_info = ipsecp['lifetime']
lifetime_units = lifetime_info.get('units', 'seconds')
lifetime_value = lifetime_info.get('value', 3600)
with context.session.begin(subtransactions=True):
ipsecp_db = IPsecPolicy(id=uuidutils.generate_uuid(),
tenant_id=tenant_id,
name=ipsecp['name'],
description=ipsecp['description'],
transform_protocol=ipsecp['transform_'
'protocol'],
auth_algorithm=ipsecp['auth_algorithm'],
encryption_algorithm=ipsecp['encryption_'
'algorithm'],
encapsulation_mode=ipsecp['encapsulation_'
'mode'],
lifetime_units=lifetime_units,
lifetime_value=lifetime_value,
pfs=ipsecp['pfs'])
context.session.add(ipsecp_db)
return self._make_ipsecpolicy_dict(ipsecp_db)
def update_ipsecpolicy(self, context, ipsecpolicy_id, ipsecpolicy):
ipsecp = ipsecpolicy['ipsecpolicy']
with context.session.begin(subtransactions=True):
ipsecpolicy = context.session.query(IPsecSiteConnection).filter_by(
ipsecpolicy_id=ipsecpolicy_id).first()
if ipsecpolicy:
raise vpnaas.IPsecPolicyInUse(ipsecpolicy_id=ipsecpolicy_id)
ipsecp_db = self._get_resource(context,
IPsecPolicy,
ipsecpolicy_id)
if ipsecp:
lifetime_info = ipsecp.get('lifetime')
if lifetime_info:
if lifetime_info.get('units'):
ipsecp['lifetime_units'] = lifetime_info['units']
if lifetime_info('value'):
ipsecp['lifetime_value'] = lifetime_info['value']
ipsecp_db.update(ipsecp)
return self._make_ipsecpolicy_dict(ipsecp_db)
def delete_ipsecpolicy(self, context, ipsecpolicy_id):
with context.session.begin(subtransactions=True):
ipsecpolicy = context.session.query(IPsecSiteConnection).filter_by(
ipsecpolicy_id=ipsecpolicy_id).first()
if ipsecpolicy:
raise vpnaas.IPsecPolicyInUse(ipsecpolicy_id=ipsecpolicy_id)
ipsec_db = self._get_resource(context, IPsecPolicy, ipsecpolicy_id)
context.session.delete(ipsec_db)
def get_ipsecpolicy(self, context, ipsecpolicy_id, fields=None):
ipsec_db = self._get_resource(context, IPsecPolicy, ipsecpolicy_id)
return self._make_ipsecpolicy_dict(ipsec_db, fields)
def get_ipsecpolicies(self, context, filters=None, fields=None):
return self._get_collection(context, IPsecPolicy,
self._make_ipsecpolicy_dict,
filters=filters, fields=fields)
def _make_vpnservice_dict(self, vpnservice, fields=None):
res = {'id': vpnservice['id'],
'name': vpnservice['name'],
'description': vpnservice['description'],
'tenant_id': vpnservice['tenant_id'],
'subnet_id': vpnservice['subnet_id'],
'router_id': vpnservice['router_id'],
'admin_state_up': vpnservice['admin_state_up'],
'status': vpnservice['status']}
return self._fields(res, fields)
def create_vpnservice(self, context, vpnservice):
vpns = vpnservice['vpnservice']
tenant_id = self._get_tenant_id_for_create(context, vpns)
with context.session.begin(subtransactions=True):
vpnservice_db = VPNService(id=uuidutils.generate_uuid(),
tenant_id=tenant_id,
name=vpns['name'],
description=vpns['description'],
subnet_id=vpns['subnet_id'],
router_id=vpns['router_id'],
admin_state_up=vpns['admin_state_up'],
status=constants.PENDING_CREATE)
context.session.add(vpnservice_db)
return self._make_vpnservice_dict(vpnservice_db)
def update_vpnservice(self, context, vpnservice_id, vpnservice):
vpns = vpnservice['vpnservice']
with context.session.begin(subtransactions=True):
vpnservice = context.session.query(IPsecSiteConnection).filter_by(
vpnservice_id=vpnservice_id).first()
if vpnservice:
raise vpnaas.VPNServiceInUse(vpnservice_id=vpnservice_id)
vpns_db = self._get_resource(context, VPNService, vpnservice_id)
self.assert_update_allowed(vpns_db)
if vpns:
vpns_db.update(vpns)
return self._make_vpnservice_dict(vpns_db)
def delete_vpnservice(self, context, vpnservice_id):
with context.session.begin(subtransactions=True):
if context.session.query(IPsecSiteConnection).filter_by(
vpnservice_id=vpnservice_id
).first():
raise vpnaas.VPNServiceInUse(vpnservice_id=vpnservice_id)
vpns_db = self._get_resource(context, VPNService, vpnservice_id)
context.session.delete(vpns_db)
def _get_vpnservice(self, context, vpnservice_id):
return self._get_resource(context, VPNService, vpnservice_id)
def get_vpnservice(self, context, vpnservice_id, fields=None):
vpns_db = self._get_resource(context, VPNService, vpnservice_id)
return self._make_vpnservice_dict(vpns_db, fields)
def get_vpnservices(self, context, filters=None, fields=None):
return self._get_collection(context, VPNService,
self._make_vpnservice_dict,
filters=filters, fields=fields)
class VPNPluginRpcDbMixin():
def _get_agent_hosting_vpn_services(self, context, host):
plugin = manager.NeutronManager.get_plugin()
agent = plugin._get_agent_by_type_and_host(
context, q_constants.AGENT_TYPE_L3, host)
if not agent.admin_state_up:
return []
query = context.session.query(VPNService)
query = query.join(IPsecSiteConnection)
query = query.join(IKEPolicy)
query = query.join(IPsecPolicy)
query = query.join(IPsecPeerCidr)
query = query.join(agent_db.RouterL3AgentBinding,
agent_db.RouterL3AgentBinding.router_id ==
VPNService.router_id)
query = query.filter(
agent_db.RouterL3AgentBinding.l3_agent_id == agent.id)
return query
def update_status_on_host(self, context, host, active_services):
with context.session.begin(subtransactions=True):
vpnservices = self._get_agent_hosting_vpn_services(
context, host)
for vpnservice in vpnservices:
if vpnservice.id in active_services:
if vpnservice.status != constants.ACTIVE:
vpnservice.status = constants.ACTIVE
else:
if vpnservice.status != constants.ERROR:
vpnservice.status = constants.ERROR