NSXv: use regular DHCP edges for VDR metadata
VDR-connected networks were using designated DHCP Edge appliances to provide metadata. That was necessary before we introduced option 121 - which can be used for route injection, which directs metadata traffic towards the DHCP Edge. This change removes some redundant code which is supporting metadata in the old manner. The patch deprecates supports of older versions of NSX which do not support insertion of host routes which is required for the change. Therefore dhcp_force_metadata config parameter has been deprecated. Change-Id: I6b5e2acf09ce61c87d8ae97471955599cddf320b
This commit is contained in:
Kobi Samoray
parent
ac912de8fe
commit
df8f34c66d
@ -145,6 +145,10 @@ Routers
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nsxadmin -r routers -o nsx-recreate --property edge-id=edge-308
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- Migrate NSXv metadata infrastructure for VDRs - use regular DHCP edges for VDR::
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nsxadmin -r routers -o migrate-vdr-dhcp
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Networks
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~~~~~~~~
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@ -632,16 +632,6 @@ nsxv_opts = [
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default=False,
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help=_("(Optional) Indicates whether distributed-firewall "
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"security-groups allowed traffic is logged.")),
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cfg.BoolOpt('dhcp_force_metadata', default=True,
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help=_("(Optional) In some cases the Neutron router is not "
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"present to provide the metadata IP but the DHCP "
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"server can be used to provide this info. Setting this "
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"value will force the DHCP server to append specific "
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"host routes to the DHCP request. If this option is "
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"set, then the metadata service will be activated for "
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"all the dhcp enabled networks.\nNote: this option can "
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"only be supported at NSX manager version 6.2.3 or "
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"higher.")),
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cfg.StrOpt('service_insertion_profile_id',
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help=_("(Optional) The profile id of the redirect firewall "
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"rules that will be used for the Service Insertion "
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@ -1 +1 @@
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8699700cd95c
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53eb497903a4
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@ -0,0 +1,30 @@
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# Copyright 2017 VMware, Inc.
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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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"""Drop VDR DHCP bindings table
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Revision ID: 53eb497903a4
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Revises: 8699700cd95c
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Create Date: 2017-02-22 10:10:59.990122
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"""
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# revision identifiers, used by Alembic.
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revision = '53eb497903a4'
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down_revision = '8699700cd95c'
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from alembic import op
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def upgrade():
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op.drop_table('nsxv_vdr_dhcp_bindings')
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@ -631,47 +631,6 @@ def get_nsxv_spoofguard_policy_network_mappings(session, filters=None,
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filters, like_filters).all()
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def add_vdr_dhcp_binding(session, vdr_router_id, dhcp_edge_id):
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with session.begin(subtransactions=True):
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binding = nsxv_models.NsxvVdrDhcpBinding(vdr_router_id=vdr_router_id,
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dhcp_edge_id=dhcp_edge_id)
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session.add(binding)
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return binding
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def get_vdr_dhcp_bindings(session):
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try:
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bindings = session.query(nsxv_models.NsxvVdrDhcpBinding).all()
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return bindings
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except exc.NoResultFound:
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return None
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def get_vdr_dhcp_binding_by_vdr(session, vdr_router_id):
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try:
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binding = session.query(
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nsxv_models.NsxvVdrDhcpBinding).filter_by(
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vdr_router_id=vdr_router_id).one()
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return binding
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except exc.NoResultFound:
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return None
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def get_vdr_dhcp_binding_by_edge(session, edge_id):
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try:
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binding = session.query(
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nsxv_models.NsxvVdrDhcpBinding).filter_by(
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dhcp_edge_id=edge_id).one()
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return binding
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except exc.NoResultFound:
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return None
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def delete_vdr_dhcp_binding(session, vdr_router_id):
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return (session.query(nsxv_models.NsxvVdrDhcpBinding).
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filter_by(vdr_router_id=vdr_router_id).delete())
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def add_nsxv_lbaas_loadbalancer_binding(
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session, loadbalancer_id, edge_id, edge_fw_rule_id, vip_address):
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with session.begin(subtransactions=True):
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@ -247,21 +247,6 @@ class NsxvSpoofGuardPolicyNetworkMapping(model_base.BASEV2,
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policy_id = sa.Column(sa.String(36), nullable=False)
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class NsxvVdrDhcpBinding(model_base.BASEV2, models.TimestampMixin):
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"""1:1 mapping between VDR and a DHCP Edge."""
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__tablename__ = 'nsxv_vdr_dhcp_bindings'
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vdr_router_id = sa.Column(sa.String(36), primary_key=True)
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dhcp_edge_id = sa.Column(sa.String(36), nullable=False)
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__table_args__ = (
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sa.UniqueConstraint(
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dhcp_edge_id,
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name='unique_nsxv_vdr_dhcp_bindings0dhcp_edge_id'),
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model_base.BASEV2.__table_args__)
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class NsxvLbaasLoadbalancerBinding(model_base.BASEV2, models.TimestampMixin):
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"""Mapping between Edge LB and LBaaSv2"""
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@ -28,7 +28,6 @@ from vmware_nsx.plugins.nsx_v import plugin as nsx_v
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from vmware_nsx.plugins.nsx_v.vshield import edge_utils
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LOG = logging.getLogger(__name__)
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METADATA_CIDR = '169.254.169.254/32'
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class RouterDistributedDriver(router_driver.RouterBaseDriver):
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@ -63,17 +62,9 @@ class RouterDistributedDriver(router_driver.RouterBaseDriver):
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def _update_routes_on_tlr(
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self, context, router_id,
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newnexthop=edge_utils.get_vdr_transit_network_plr_address(),
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metadata_gateway=None):
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newnexthop=edge_utils.get_vdr_transit_network_plr_address()):
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routes = []
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# If metadata service is configured, add a static route to direct
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# metadata requests to a DHCP Edge on one of the attached networks
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if metadata_gateway:
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routes.append({'destination': METADATA_CIDR,
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'nexthop': metadata_gateway['ip_address'],
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'network_id': metadata_gateway['network_id']})
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# Add extra routes referring to internal network on tlr
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extra_routes = self.plugin._prepare_edge_extra_routes(
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context, router_id)
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@ -107,8 +98,7 @@ class RouterDistributedDriver(router_driver.RouterBaseDriver):
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router_id)):
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self.plugin._update_subnets_and_dnat_firewall(context,
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router_db)
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md_gw_data = self._get_metadata_gw_data(context, router_id)
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self._update_routes(context, router_id, nexthop, md_gw_data)
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self._update_routes(context, router_id, nexthop)
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if 'admin_state_up' in r:
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self.plugin._update_router_admin_state(
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context, router_id, self.get_type(), r['admin_state_up'])
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@ -124,30 +114,19 @@ class RouterDistributedDriver(router_driver.RouterBaseDriver):
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def delete_router(self, context, router_id):
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self.edge_manager.delete_lrouter(context, router_id, dist=True)
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# This should address cases where the binding remains due to breakage
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if nsxv_db.get_vdr_dhcp_binding_by_vdr(context.session, router_id):
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LOG.warning("DHCP bind wasn't cleaned for router %s. "
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"Cleaning up entry", router_id)
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nsxv_db.delete_vdr_dhcp_binding(context.session, router_id)
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def update_routes(self, context, router_id, newnexthop,
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metadata_gateway=None):
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def update_routes(self, context, router_id, newnexthop):
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with locking.LockManager.get_lock(self._get_edge_id(context,
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router_id)):
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self._update_routes(context, router_id, newnexthop,
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metadata_gateway)
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self._update_routes(context, router_id, newnexthop)
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def _update_routes(self, context, router_id, newnexthop,
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metadata_gateway=None):
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def _update_routes(self, context, router_id, newnexthop):
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plr_id = self.edge_manager.get_plr_by_tlr_id(context, router_id)
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if plr_id:
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self._update_routes_on_plr(context, router_id, plr_id,
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newnexthop)
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self._update_routes_on_tlr(context, router_id,
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metadata_gateway=metadata_gateway)
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self._update_routes_on_tlr(context, router_id)
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else:
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self._update_routes_on_tlr(context, router_id, newnexthop=None,
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metadata_gateway=metadata_gateway)
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self._update_routes_on_tlr(context, router_id, newnexthop=None)
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def _update_nexthop(self, context, router_id, newnexthop):
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plr_id = self.edge_manager.get_plr_by_tlr_id(context, router_id)
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@ -224,8 +203,7 @@ class RouterDistributedDriver(router_driver.RouterBaseDriver):
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# update static routes in all
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with locking.LockManager.get_lock(tlr_edge_id):
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md_gw_data = self._get_metadata_gw_data(context, router_id)
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self._update_routes(context, router_id, newnexthop, md_gw_data)
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self._update_routes(context, router_id, newnexthop)
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if new_ext_net_id:
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self._notify_after_router_edge_association(context, router)
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@ -269,7 +247,6 @@ class RouterDistributedDriver(router_driver.RouterBaseDriver):
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context, router_id, network_id)
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edge_id = self._get_edge_id(context, router_id)
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interface_created = False
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port = self.plugin.get_port(context, info['port_id'])
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try:
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with locking.LockManager.get_lock(str(edge_id)):
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edge_utils.add_vdr_internal_interface(self.nsx_v, context,
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@ -281,21 +258,6 @@ class RouterDistributedDriver(router_driver.RouterBaseDriver):
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self.plugin._update_subnets_and_dnat_firewall(context,
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router_db)
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filters = {'network_id': [network_id],
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'enable_dhcp': [True]}
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sids = self.plugin.get_subnets(context, filters=filters,
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fields=['id'])
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is_dhcp_network = len(sids) > 0
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do_metadata = False
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if self.plugin.metadata_proxy_handler and is_dhcp_network:
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for fixed_ip in port.get("fixed_ips", []):
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if fixed_ip['ip_address'] == subnet['gateway_ip']:
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do_metadata = True
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if do_metadata:
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self.edge_manager.configure_dhcp_for_vdr_network(
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context, network_id, router_id)
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if router_db.gw_port:
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plr_id = self.edge_manager.get_plr_by_tlr_id(context,
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router_id)
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@ -309,18 +271,9 @@ class RouterDistributedDriver(router_driver.RouterBaseDriver):
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# Update static routes of plr
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nexthop = self.plugin._get_external_attachment_info(
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context, router_db)[2]
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if do_metadata:
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md_gw_data = self._get_metadata_gw_data(context,
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router_id)
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else:
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md_gw_data = None
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self._update_routes(context, router_id,
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nexthop, md_gw_data)
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elif do_metadata and (
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self._metadata_cfg_required_after_port_add(
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context, router_id, subnet)):
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self._metadata_route_update(context, router_id)
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self._update_routes(context, router_id,
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nexthop)
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except Exception:
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with excutils.save_and_reraise_exception():
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@ -330,111 +283,13 @@ class RouterDistributedDriver(router_driver.RouterBaseDriver):
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context, router_id, interface_info)
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return info
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def _metadata_route_update(self, context, router_id):
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"""Update metadata relative routes.
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The func can only be used when there is no gateway on vdr.
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"""
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md_gw_data = self._get_metadata_gw_data(context, router_id)
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# Setup metadata route on VDR
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self._update_routes_on_tlr(
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context, router_id, newnexthop=None,
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metadata_gateway=md_gw_data)
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if not md_gw_data:
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# No more DHCP interfaces on VDR. Remove DHCP binding
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nsxv_db.delete_vdr_dhcp_binding(context.session, router_id)
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return md_gw_data
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def _get_metadata_gw_data(self, context, router_id):
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if not self.plugin.metadata_proxy_handler:
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return
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# Get all subnets which are attached to the VDR and have DHCP enabled
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vdr_ports = self.plugin._get_port_by_device_id(
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context, router_id, l3_db.DEVICE_OWNER_ROUTER_INTF)
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vdr_subnet_ids = [port['fixed_ips'][0]['subnet_id']
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for port in vdr_ports if port.get('fixed_ips')]
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vdr_subnets = None
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if vdr_subnet_ids:
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subnet_filters = {'id': vdr_subnet_ids,
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'enable_dhcp': [True]}
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vdr_subnets = self.plugin.get_subnets(context,
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filters=subnet_filters)
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# Choose the 1st subnet, and get the DHCP interface IP address
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if vdr_subnets:
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dhcp_ports = self.plugin.get_ports(
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context,
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filters={'device_owner': ['network:dhcp'],
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'fixed_ips': {'subnet_id': [vdr_subnets[0]['id']]}},
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fields=['fixed_ips'])
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if (dhcp_ports
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and dhcp_ports[0].get('fixed_ips')
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and dhcp_ports[0]['fixed_ips'][0]):
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ip_subnet = dhcp_ports[0]['fixed_ips'][0]
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ip_address = ip_subnet['ip_address']
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network_id = self.plugin.get_subnet(
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context, ip_subnet['subnet_id']).get('network_id')
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return {'ip_address': ip_address,
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'network_id': network_id}
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def _metadata_cfg_required_after_port_add(
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self, context, router_id, subnet):
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# On VDR, metadata is supported by applying metadata LB on DHCP
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# Edge, and routing the metadata requests from VDR to the DHCP Edge.
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#
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# If DHCP is enabled on this subnet, we can, potentially, use it
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# for metadata.
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# Verify if there are networks which are connected to DHCP and to
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# this router. If so, one of these is serving metadata.
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# If not, route metadata requests to DHCP on this subnet
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if self.plugin.metadata_proxy_handler and subnet['enable_dhcp']:
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vdr_ports = self.plugin.get_ports(
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context,
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filters={'device_id': [router_id]})
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if vdr_ports:
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for port in vdr_ports:
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subnet_id = port['fixed_ips'][0]['subnet_id']
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port_subnet = self.plugin.get_subnet(
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context.elevated(), subnet_id)
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if (port_subnet['id'] != subnet['id']
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and port_subnet['enable_dhcp']):
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# We already have a subnet which is connected to
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# DHCP - hence no need to change the metadata route
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return False
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return True
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# Metadata routing change is irrelevant if this point is reached
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return False
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def _metadata_cfg_required_after_port_remove(
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self, context, router_id, subnet):
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# When a VDR is detached from a subnet, verify if the subnet is used
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# to transfer metadata requests to the assigned DHCP Edge.
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routes = edge_utils.get_routes(self.nsx_v, context, router_id)
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for route in routes:
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if (route['destination'] == METADATA_CIDR
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and subnet['network_id'] == route['network_id']):
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# Metadata requests are transferred via this port
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return True
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return False
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def remove_router_interface(self, context, router_id, interface_info):
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info = super(nsx_v.NsxVPluginV2, self.plugin).remove_router_interface(
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context, router_id, interface_info)
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router_db = self.plugin._get_router(context, router_id)
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subnet = self.plugin.get_subnet(context, info['subnet_id'])
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network_id = subnet['network_id']
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vdr_dhcp_binding = nsxv_db.get_vdr_dhcp_binding_by_vdr(
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context.session, router_id)
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sids = self.plugin.get_subnets(context,
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filters={'network_id': [network_id],
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'enable_dhcp': [True]},
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fields=['id'])
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is_dhcp_network = len(sids) > 0
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with locking.LockManager.get_lock(self._get_edge_id(context,
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router_id)):
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if router_db.gw_port and router_db.enable_snat:
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@ -447,17 +302,7 @@ class RouterDistributedDriver(router_driver.RouterBaseDriver):
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# Update static routes of plr
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nexthop = self.plugin._get_external_attachment_info(
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context, router_db)[2]
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md_gw_data = self._get_metadata_gw_data(context, router_id)
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self._update_routes(context, router_id, nexthop, md_gw_data)
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# If DHCP is disabled, this remove cannot trigger metadata change
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# as metadata is served via DHCP Edge
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elif (is_dhcp_network
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and self.plugin.metadata_proxy_handler):
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md_gw_data = self._get_metadata_gw_data(context, router_id)
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if self._metadata_cfg_required_after_port_remove(
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context, router_id, subnet):
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self._metadata_route_update(context, router_id)
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self._update_routes(context, router_id, nexthop)
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self.plugin._update_subnets_and_dnat_firewall(context, router_db)
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# Safly remove interface, VDR can have interface to only one subnet
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@ -465,49 +310,8 @@ class RouterDistributedDriver(router_driver.RouterBaseDriver):
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edge_utils.delete_interface(
|
||||
self.nsx_v, context, router_id, network_id, dist=True)
|
||||
|
||||
if self.plugin.metadata_proxy_handler and subnet['enable_dhcp']:
|
||||
self._attach_network_to_regular_dhcp(
|
||||
context, router_id, network_id, subnet, vdr_dhcp_binding)
|
||||
|
||||
return info
|
||||
|
||||
def _attach_network_to_regular_dhcp(
|
||||
self, context, router_id, network_id, subnet, vdr_dhcp_binding):
|
||||
# Detach network from VDR-dedicated DHCP Edge
|
||||
|
||||
# A case where we do not have a vdr_dhcp_binding indicates a DB
|
||||
# inconsistency. We check for this anyway, in case that
|
||||
# something is broken.
|
||||
if vdr_dhcp_binding:
|
||||
self.edge_manager.reset_sysctl_rp_filter_for_vdr_dhcp(
|
||||
context, vdr_dhcp_binding['dhcp_edge_id'], network_id)
|
||||
|
||||
with locking.LockManager.get_lock(
|
||||
vdr_dhcp_binding['dhcp_edge_id']):
|
||||
self.edge_manager.remove_network_from_dhcp_edge(
|
||||
context, network_id, vdr_dhcp_binding['dhcp_edge_id'])
|
||||
else:
|
||||
LOG.error('VDR DHCP binding is missing for %s',
|
||||
router_id)
|
||||
|
||||
# Reattach to regular DHCP Edge
|
||||
with locking.LockManager.get_lock(network_id):
|
||||
dhcp_id = self.edge_manager.create_dhcp_edge_service(
|
||||
context, network_id, subnet)
|
||||
self.plugin._update_dhcp_adddress(context, network_id)
|
||||
if dhcp_id:
|
||||
edge_id, az_name = self.plugin._get_edge_id_and_az_by_rtr_id(
|
||||
context, dhcp_id)
|
||||
if edge_id:
|
||||
with locking.LockManager.get_lock(str(edge_id)):
|
||||
md_proxy_handler = (
|
||||
self.plugin.get_metadata_proxy_handler(az_name))
|
||||
if md_proxy_handler:
|
||||
md_proxy_handler.configure_router_edge(
|
||||
context, dhcp_id)
|
||||
self.plugin.setup_dhcp_edge_fw_rules(
|
||||
context, self.plugin, dhcp_id)
|
||||
|
||||
def _update_edge_router(self, context, router_id):
|
||||
router = self.plugin._get_router(context.elevated(), router_id)
|
||||
plr_id = self.edge_manager.get_plr_by_tlr_id(context, router_id)
|
||||
|
||||
@ -190,7 +190,9 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
|
||||
"availability_zone",
|
||||
"network_availability_zone",
|
||||
"router_availability_zone",
|
||||
"l3-flavors", "flavors"]
|
||||
"l3-flavors",
|
||||
"flavors",
|
||||
"dhcp-mtu"]
|
||||
|
||||
__native_bulk_support = True
|
||||
__native_pagination_support = True
|
||||
@ -234,6 +236,7 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
|
||||
self.lbv2_driver = self.nsx_v
|
||||
# Ensure that edges do concurrency
|
||||
self._ensure_lock_operations()
|
||||
self._validate_nsx_version()
|
||||
# Configure aggregate publishing
|
||||
self._aggregate_publishing()
|
||||
# Configure edge reservations
|
||||
@ -273,10 +276,6 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
|
||||
|
||||
self._router_managers = managers.RouterTypeManager(self)
|
||||
|
||||
if self.edge_manager.is_dhcp_opt_enabled:
|
||||
# Only expose the extension if it is supported
|
||||
self.supported_extension_aliases.append("dhcp-mtu")
|
||||
|
||||
# Make sure starting rpc listeners (for QoS and other agents)
|
||||
# will happen only once
|
||||
self.start_rpc_listeners_called = False
|
||||
@ -314,6 +313,12 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
|
||||
|
||||
self.init_is_complete = True
|
||||
|
||||
def _validate_nsx_version(self):
|
||||
ver = self.nsx_v.vcns.get_version()
|
||||
if version.LooseVersion(ver) < version.LooseVersion('6.2.3'):
|
||||
error = _("Plugin version doesn't support NSX version %s.") % ver
|
||||
raise nsx_exc.NsxPluginException(err_msg=error)
|
||||
|
||||
def get_metadata_proxy_handler(self, az_name):
|
||||
if not self.metadata_proxy_handler:
|
||||
return None
|
||||
@ -2342,9 +2347,7 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
|
||||
LOG.debug("subnet %s not found to determine its dhcp meta",
|
||||
subnet_id)
|
||||
return False
|
||||
return bool(subnet['enable_dhcp'] and
|
||||
self.metadata_proxy_handler and
|
||||
cfg.CONF.nsxv.dhcp_force_metadata)
|
||||
return bool(subnet['enable_dhcp'] and self.metadata_proxy_handler)
|
||||
|
||||
def _validate_host_routes_input(self, subnet_input,
|
||||
orig_enable_dhcp=None,
|
||||
@ -2366,10 +2369,6 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
|
||||
err_msg = _("Host routes can only be supported when DHCP "
|
||||
"is enabled")
|
||||
raise n_exc.InvalidInput(error_message=err_msg)
|
||||
if not self.edge_manager.is_dhcp_opt_enabled:
|
||||
err_msg = _("Host routes can only be supported at NSX version "
|
||||
"6.2.3 or higher")
|
||||
raise n_exc.InvalidInput(error_message=err_msg)
|
||||
|
||||
def create_subnet_bulk(self, context, subnets):
|
||||
|
||||
@ -2524,11 +2523,7 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
|
||||
self._update_routers_on_gateway_change(context, id,
|
||||
subnet['gateway_ip'])
|
||||
if enable_dhcp != subnet['enable_dhcp']:
|
||||
vdr_id = self._is_subnet_gw_a_vdr(context, subnet)
|
||||
if (vdr_id and self.metadata_proxy_handler):
|
||||
self._update_subnet_dhcp_status_vdr(subnet, context, vdr_id)
|
||||
else:
|
||||
self._update_subnet_dhcp_status(subnet, context)
|
||||
self._update_subnet_dhcp_status(subnet, context)
|
||||
return subnet
|
||||
|
||||
@staticmethod
|
||||
@ -2549,46 +2544,6 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
|
||||
if rtr and rtr.get('distributed'):
|
||||
return rtr_id
|
||||
|
||||
def _update_subnet_dhcp_status_vdr(self, subnet, context, vdr_id):
|
||||
network_id = subnet['network_id']
|
||||
vdr_driver = self._find_router_driver(context, vdr_id)
|
||||
if subnet['enable_dhcp']:
|
||||
with locking.LockManager.get_lock(
|
||||
self._get_edge_id_by_rtr_id(context, vdr_id)):
|
||||
self.edge_manager.configure_dhcp_for_vdr_network(
|
||||
context, network_id, vdr_id)
|
||||
if vdr_driver._metadata_cfg_required_after_port_add(
|
||||
context, vdr_id, subnet):
|
||||
vdr_driver._metadata_route_update(context, vdr_id)
|
||||
else:
|
||||
vdr_dhcp_binding = nsxv_db.get_vdr_dhcp_binding_by_vdr(
|
||||
context.session, vdr_id)
|
||||
if vdr_dhcp_binding:
|
||||
pass
|
||||
else:
|
||||
LOG.error('VDR DHCP binding not found for router %s',
|
||||
vdr_id)
|
||||
sids = self.get_subnets(context,
|
||||
filters={'network_id': [network_id],
|
||||
'enable_dhcp': [True]},
|
||||
fields=['id'])
|
||||
is_dhcp_network = len(sids) > 0
|
||||
with locking.LockManager.get_lock(
|
||||
self._get_edge_id_by_rtr_id(context, vdr_id)):
|
||||
if vdr_driver._metadata_cfg_required_after_port_remove(
|
||||
context, vdr_id, subnet):
|
||||
vdr_driver._metadata_route_update(context, vdr_id)
|
||||
if not is_dhcp_network:
|
||||
# No other DHCP-enabled subnets on this network
|
||||
if vdr_dhcp_binding:
|
||||
self.edge_manager.reset_sysctl_rp_filter_for_vdr_dhcp(
|
||||
context, vdr_dhcp_binding['dhcp_edge_id'],
|
||||
network_id)
|
||||
|
||||
self.edge_manager.remove_network_from_dhcp_edge(
|
||||
context, network_id,
|
||||
vdr_dhcp_binding['dhcp_edge_id'])
|
||||
|
||||
def _update_subnet_dhcp_status(self, subnet, context):
|
||||
network_id = subnet['network_id']
|
||||
if subnet['enable_dhcp']:
|
||||
|
||||
@ -24,7 +24,6 @@ import time
|
||||
|
||||
from neutron_lib import context as q_context
|
||||
from oslo_config import cfg
|
||||
from oslo_db import exception as db_exc
|
||||
from oslo_log import log as logging
|
||||
from oslo_serialization import jsonutils
|
||||
from oslo_utils import excutils
|
||||
@ -193,7 +192,6 @@ class EdgeManager(object):
|
||||
self.plugin = plugin
|
||||
self.per_interface_rp_filter = self._get_per_edge_rp_filter_state()
|
||||
self._check_backup_edge_pools()
|
||||
self._validate_new_features()
|
||||
|
||||
def _parse_backup_edge_pool_opt(self):
|
||||
"""Parse edge pool opts for all availability zones."""
|
||||
@ -212,18 +210,6 @@ class EdgeManager(object):
|
||||
self._worker_pool = eventlet.GreenPool(WORKER_POOL_SIZE)
|
||||
return self._worker_pool
|
||||
|
||||
def _validate_new_features(self):
|
||||
self.is_dhcp_opt_enabled = False
|
||||
|
||||
ver = self.nsxv_manager.vcns.get_version()
|
||||
if version.LooseVersion(ver) >= version.LooseVersion('6.2.3'):
|
||||
self.is_dhcp_opt_enabled = True
|
||||
elif cfg.CONF.nsxv.dhcp_force_metadata:
|
||||
LOG.warning("Skipping dhcp_force_metadata param since dhcp "
|
||||
"option feature can only be supported at version "
|
||||
"6.2.3 or higher")
|
||||
self.is_dhcp_opt_enabled = False
|
||||
|
||||
def _get_per_edge_rp_filter_state(self):
|
||||
ver = self.nsxv_manager.vcns.get_version()
|
||||
if version.LooseVersion(ver) < version.LooseVersion('6.2.0'):
|
||||
@ -1064,10 +1050,8 @@ class EdgeManager(object):
|
||||
return static_binding
|
||||
|
||||
def handle_meta_static_route(self, context, subnet_id, static_bindings):
|
||||
is_dhcp_option121 = (
|
||||
self.is_dhcp_opt_enabled and
|
||||
self.nsxv_plugin.is_dhcp_metadata(
|
||||
context, subnet_id))
|
||||
is_dhcp_option121 = self.nsxv_plugin.is_dhcp_metadata(context,
|
||||
subnet_id)
|
||||
if is_dhcp_option121:
|
||||
dhcp_ip = self.nsxv_plugin._get_dhcp_ip_addr_from_subnet(
|
||||
context, subnet_id)
|
||||
@ -1119,11 +1103,6 @@ class EdgeManager(object):
|
||||
nsxv_db.create_edge_dhcp_static_binding(context.session, edge_id,
|
||||
mac_address, binding_id)
|
||||
|
||||
def _get_vdr_dhcp_edges(self, context):
|
||||
bindings = nsxv_db.get_vdr_dhcp_bindings(context.session)
|
||||
edges = [binding['dhcp_edge_id'] for binding in bindings]
|
||||
return edges
|
||||
|
||||
def _get_random_available_edge(self, available_edge_ids):
|
||||
while available_edge_ids:
|
||||
# Randomly select an edge ID from the pool.
|
||||
@ -1150,7 +1129,6 @@ class EdgeManager(object):
|
||||
binding in router_bindings if (binding['router_id'].
|
||||
startswith(vcns_const.DHCP_EDGE_PREFIX) and
|
||||
binding['status'] == constants.ACTIVE)}
|
||||
vdr_dhcp_edges = self._get_vdr_dhcp_edges(context)
|
||||
|
||||
# Special case if there is more than one subnet per exclusive DHCP
|
||||
# network
|
||||
@ -1184,8 +1162,7 @@ class EdgeManager(object):
|
||||
|
||||
for x in all_dhcp_edges.values():
|
||||
if (x not in conflict_edge_ids and
|
||||
x not in available_edge_ids and
|
||||
x not in vdr_dhcp_edges):
|
||||
x not in available_edge_ids):
|
||||
available_edge_ids.append(x)
|
||||
return (conflict_edge_ids, available_edge_ids)
|
||||
|
||||
@ -1468,84 +1445,6 @@ class EdgeManager(object):
|
||||
'vnic_index': vnic_index,
|
||||
'edge_id': edge_id})
|
||||
|
||||
def configure_dhcp_for_vdr_network(
|
||||
self, context, network_id, vdr_router_id):
|
||||
# If network is already attached to a DHCP Edge, detach from it
|
||||
resource_id = (vcns_const.DHCP_EDGE_PREFIX + network_id)[:36]
|
||||
dhcp_edge_binding = nsxv_db.get_nsxv_router_binding(context.session,
|
||||
resource_id)
|
||||
|
||||
if dhcp_edge_binding:
|
||||
with locking.LockManager.get_lock('nsx-edge-pool'):
|
||||
edge_id = dhcp_edge_binding['edge_id']
|
||||
with locking.LockManager.get_lock(str(edge_id)):
|
||||
self.remove_network_from_dhcp_edge(context, network_id,
|
||||
edge_id)
|
||||
|
||||
# Find DHCP Edge which is associated with this VDR
|
||||
vdr_dhcp_binding = nsxv_db.get_vdr_dhcp_binding_by_vdr(
|
||||
context.session, vdr_router_id)
|
||||
availability_zone = self.plugin.get_network_az_by_net_id(
|
||||
context, network_id)
|
||||
if vdr_dhcp_binding:
|
||||
with locking.LockManager.get_lock('nsx-edge-pool'):
|
||||
dhcp_edge_id = vdr_dhcp_binding['dhcp_edge_id']
|
||||
with locking.LockManager.get_lock(str(dhcp_edge_id)):
|
||||
self.reuse_existing_dhcp_edge(
|
||||
context, dhcp_edge_id, resource_id, network_id,
|
||||
availability_zone)
|
||||
else:
|
||||
# Attach to DHCP Edge
|
||||
dhcp_edge_id = self.allocate_new_dhcp_edge(
|
||||
context, network_id, resource_id, availability_zone)
|
||||
md_proxy = self.plugin.get_metadata_proxy_handler(
|
||||
availability_zone.name)
|
||||
md_proxy.configure_router_edge(context, resource_id)
|
||||
with locking.LockManager.get_lock(str(dhcp_edge_id)):
|
||||
self.plugin.setup_dhcp_edge_fw_rules(
|
||||
context, self.plugin, resource_id)
|
||||
|
||||
if not self.per_interface_rp_filter:
|
||||
with locking.LockManager.get_lock(str(dhcp_edge_id)):
|
||||
self.nsxv_manager.vcns.set_system_control(
|
||||
dhcp_edge_id,
|
||||
[RP_FILTER_PROPERTY_OFF_TEMPLATE % ('all', '0')])
|
||||
|
||||
try:
|
||||
nsxv_db.add_vdr_dhcp_binding(context.session, vdr_router_id,
|
||||
dhcp_edge_id)
|
||||
except db_exc.DBDuplicateEntry as e:
|
||||
# Could have garbage binding in the DB - warn and overwrite
|
||||
if 'PRIMARY' in e.columns:
|
||||
LOG.warning('Conflict found in VDR DHCP bindings - '
|
||||
'router %s was already bound',
|
||||
vdr_router_id)
|
||||
del_vdr = vdr_router_id
|
||||
else:
|
||||
LOG.warning('Conflict found in VDR DHCP bindings - '
|
||||
'DHCP edge %s was already bound',
|
||||
dhcp_edge_id)
|
||||
bind = nsxv_db.get_vdr_dhcp_binding_by_edge(
|
||||
context.session, dhcp_edge_id)
|
||||
if bind:
|
||||
del_vdr = bind['vdr_router_id']
|
||||
else:
|
||||
del_vdr = None
|
||||
|
||||
if del_vdr:
|
||||
nsxv_db.delete_vdr_dhcp_binding(context.session,
|
||||
del_vdr)
|
||||
nsxv_db.add_vdr_dhcp_binding(context.session,
|
||||
vdr_router_id, dhcp_edge_id)
|
||||
else:
|
||||
LOG.error('Database conflict could not be recovered '
|
||||
'for VDR %(vdr)s DHCP edge %(dhcp)s',
|
||||
{'vdr': vdr_router_id, 'dhcp': dhcp_edge_id})
|
||||
self.plugin._update_dhcp_adddress(context, network_id)
|
||||
|
||||
self.set_sysctl_rp_filter_for_vdr_dhcp(
|
||||
context, dhcp_edge_id, network_id)
|
||||
|
||||
def _update_address_in_dict(self, address_groups, old_ip, new_ip,
|
||||
subnet_mask):
|
||||
"""Update the address_groups data structure to replace the old ip
|
||||
@ -1671,42 +1570,6 @@ class EdgeManager(object):
|
||||
if sub_interface['tunnelId'] == vnic_binding.tunnel_index:
|
||||
return sub_interface['index']
|
||||
|
||||
def set_sysctl_rp_filter_for_vdr_dhcp(self, context, edge_id, network_id):
|
||||
if not self.per_interface_rp_filter:
|
||||
return
|
||||
|
||||
vnic_index = self._get_sub_interface_id(context, edge_id, network_id)
|
||||
if vnic_index:
|
||||
vnic_id = 'vNic_%d' % vnic_index
|
||||
with locking.LockManager.get_lock(str(edge_id)):
|
||||
sysctl_props = []
|
||||
h, sysctl = self.nsxv_manager.vcns.get_system_control(edge_id)
|
||||
if sysctl:
|
||||
sysctl_props = sysctl['property']
|
||||
sysctl_props.append(
|
||||
RP_FILTER_PROPERTY_OFF_TEMPLATE % (vnic_id, '0'))
|
||||
self.nsxv_manager.vcns.set_system_control(
|
||||
edge_id, sysctl_props)
|
||||
|
||||
def reset_sysctl_rp_filter_for_vdr_dhcp(self, context, edge_id,
|
||||
network_id):
|
||||
if not self.per_interface_rp_filter:
|
||||
return
|
||||
|
||||
vnic_index = self._get_sub_interface_id(context, edge_id, network_id)
|
||||
if vnic_index:
|
||||
vnic_id = 'vNic_%d' % vnic_index
|
||||
with locking.LockManager.get_lock(str(edge_id)):
|
||||
h, sysctl = self.nsxv_manager.vcns.get_system_control(edge_id)
|
||||
if sysctl:
|
||||
sysctl_props = sysctl['property']
|
||||
sysctl_props.remove(
|
||||
RP_FILTER_PROPERTY_OFF_TEMPLATE % (vnic_id, '0'))
|
||||
sysctl_props.append(
|
||||
RP_FILTER_PROPERTY_OFF_TEMPLATE % (vnic_id, '1'))
|
||||
self.nsxv_manager.vcns.set_system_control(
|
||||
edge_id, sysctl_props)
|
||||
|
||||
def get_plr_by_tlr_id(self, context, router_id):
|
||||
lswitch_id = nsxv_db.get_nsxv_router_binding(
|
||||
context.session, router_id).lswitch_id
|
||||
|
||||
@ -24,7 +24,6 @@ import vmware_nsx.shell.admin.plugins.common.utils as admin_utils
|
||||
import vmware_nsx.shell.admin.plugins.nsxv.resources.utils as utils
|
||||
import vmware_nsx.shell.resources as shell
|
||||
|
||||
from neutron.db import l3_db
|
||||
from neutron_lib.callbacks import registry
|
||||
|
||||
from vmware_nsx.common import locking
|
||||
@ -151,42 +150,6 @@ def delete_old_dhcp_edge(context, old_edge_id, bindings):
|
||||
"DB : %(e)s", {'id': old_edge_id, 'e': e})
|
||||
|
||||
|
||||
def recreate_vdr_dhcp_edge(context, plugin, edge_manager,
|
||||
vdr_router_id):
|
||||
"""Handle the edge recreation of a VDR router DHCP.
|
||||
"""
|
||||
# delete the old bindings
|
||||
nsxv_db.delete_vdr_dhcp_binding(context.session, vdr_router_id)
|
||||
|
||||
# Add each interface port of this router to a new edge:
|
||||
intf_ports = plugin._get_port_by_device_id(
|
||||
context, vdr_router_id, l3_db.DEVICE_OWNER_ROUTER_INTF)
|
||||
for port in intf_ports:
|
||||
fixed_ips = port.get("fixed_ips", [])
|
||||
if len(fixed_ips) > 0:
|
||||
fixed_ip = fixed_ips[0]
|
||||
subnet_id = fixed_ip['subnet_id']
|
||||
subnet = plugin.get_subnet(context, subnet_id)
|
||||
do_metadata = False
|
||||
for fixed_ip in fixed_ips:
|
||||
if fixed_ip['ip_address'] == subnet['gateway_ip']:
|
||||
do_metadata = True
|
||||
|
||||
if do_metadata:
|
||||
edge_manager.configure_dhcp_for_vdr_network(
|
||||
context, subnet['network_id'], vdr_router_id)
|
||||
|
||||
new_binding = nsxv_db.get_vdr_dhcp_binding_by_vdr(
|
||||
context.session, vdr_router_id)
|
||||
if new_binding:
|
||||
LOG.info("VDR router %(vdr_id)s was moved to edge %(edge_id)s",
|
||||
{'vdr_id': vdr_router_id,
|
||||
'edge_id': new_binding['dhcp_edge_id']})
|
||||
else:
|
||||
LOG.error("VDR router %(vdr_id)s was not moved to a new edge",
|
||||
{'vdr_id': vdr_router_id})
|
||||
|
||||
|
||||
def recreate_network_dhcp(context, plugin, edge_manager, old_edge_id, net_id):
|
||||
"""Handle the DHCP edge recreation of a network
|
||||
"""
|
||||
@ -281,38 +244,14 @@ def nsx_recreate_dhcp_edge(resource, event, trigger, **kwargs):
|
||||
context.session, old_edge_id)
|
||||
network_ids = [binding['network_id'] for binding in networks_binding]
|
||||
|
||||
# Find out the vdr router, if this is a vdr DHCP edge
|
||||
vdr_binding = nsxv_db.get_vdr_dhcp_binding_by_edge(
|
||||
context.session, old_edge_id)
|
||||
vdr_router_id = vdr_binding['vdr_router_id'] if vdr_binding else None
|
||||
|
||||
# Delete the old edge
|
||||
delete_old_dhcp_edge(context, old_edge_id, bindings)
|
||||
|
||||
if vdr_router_id:
|
||||
# recreate the edge as a VDR DHCP edge
|
||||
recreate_vdr_dhcp_edge(context, plugin, edge_manager,
|
||||
vdr_router_id)
|
||||
else:
|
||||
# This is a regular DHCP edge:
|
||||
# Move all the networks to other (new or existing) edge
|
||||
for net_id in network_ids:
|
||||
recreate_network_dhcp(context, plugin, edge_manager,
|
||||
old_edge_id, net_id)
|
||||
|
||||
|
||||
def _get_net_vdr_router_id(plugin, context, net_id):
|
||||
"""Find the distributed router this network is attached to, if any."""
|
||||
port_filters = {'device_owner': [l3_db.DEVICE_OWNER_ROUTER_INTF],
|
||||
'network_id': [net_id]}
|
||||
intf_ports = plugin.get_ports(context, filters=port_filters)
|
||||
router_ids = [port['device_id'] for port in intf_ports]
|
||||
all_routers = plugin.get_routers(context, filters={'id': router_ids})
|
||||
dist_routers = [router['id'] for router in all_routers
|
||||
if router.get('distributed') is True]
|
||||
if len(dist_routers) > 0:
|
||||
# Supposed to be only one
|
||||
return dist_routers[0]
|
||||
# This is a regular DHCP edge:
|
||||
# Move all the networks to other (new or existing) edge
|
||||
for net_id in network_ids:
|
||||
recreate_network_dhcp(context, plugin, edge_manager,
|
||||
old_edge_id, net_id)
|
||||
|
||||
|
||||
def nsx_recreate_dhcp_edge_by_net_id(net_id):
|
||||
@ -344,16 +283,8 @@ def nsx_recreate_dhcp_edge_by_net_id(net_id):
|
||||
nsxv_manager = vcns_driver.VcnsDriver(edge_utils.NsxVCallbacks(plugin))
|
||||
edge_manager = edge_utils.EdgeManager(nsxv_manager, plugin)
|
||||
|
||||
# check if this network is attached to a distributed router
|
||||
vdr_router_id = _get_net_vdr_router_id(plugin, context, net_id)
|
||||
if vdr_router_id:
|
||||
# recreate the edge as a VDR DHCP edge
|
||||
recreate_vdr_dhcp_edge(context, plugin, edge_manager,
|
||||
vdr_router_id)
|
||||
else:
|
||||
# This is a regular DHCP edge:
|
||||
recreate_network_dhcp(context, plugin, edge_manager,
|
||||
None, net_id)
|
||||
recreate_network_dhcp(context, plugin, edge_manager,
|
||||
None, net_id)
|
||||
|
||||
|
||||
registry.subscribe(list_missing_dhcp_bindings,
|
||||
|
||||
@ -140,6 +140,32 @@ def nsx_recreate_router_edge(resource, event, trigger, **kwargs):
|
||||
{'router': router_id, 'edge': new_edge_id})
|
||||
|
||||
|
||||
def migrate_distributed_routers_dhcp(resource, event, trigger, **kwargs):
|
||||
context = n_context.get_admin_context()
|
||||
nsxv = utils.get_nsxv_client()
|
||||
with utils.NsxVPluginWrapper() as plugin:
|
||||
routers = plugin.get_routers(context)
|
||||
for router in routers:
|
||||
if router.get('distributed', False):
|
||||
binding = nsxv_db.get_nsxv_router_binding(context.session,
|
||||
router['id'])
|
||||
if binding:
|
||||
edge_id = binding['edge_id']
|
||||
with locking.LockManager.get_lock(edge_id):
|
||||
route_obj = nsxv.get_routes(edge_id)[1]
|
||||
routes = route_obj.get('staticRoutes', {}
|
||||
).get('staticRoutes', [])
|
||||
new_routes = [route for route in routes if route.get(
|
||||
'network') != '169.254.169.254/32']
|
||||
route_obj['staticRoutes']['staticRoutes'] = new_routes
|
||||
|
||||
nsxv.update_routes(edge_id, route_obj)
|
||||
|
||||
|
||||
registry.subscribe(nsx_recreate_router_edge,
|
||||
constants.ROUTERS,
|
||||
shell.Operations.NSX_RECREATE.value)
|
||||
|
||||
registry.subscribe(migrate_distributed_routers_dhcp,
|
||||
constants.ROUTERS,
|
||||
shell.Operations.MIGRATE_VDR_DHCP.value)
|
||||
|
||||
@ -56,6 +56,7 @@ class Operations(enum.Enum):
|
||||
NSX_MIGRATE_V_V3 = 'nsx-migrate-v-v3'
|
||||
MIGRATE_TO_POLICY = 'migrate-to-policy'
|
||||
NSX_MIGRATE_EXCLUDE_PORTS = 'migrate-exclude-ports'
|
||||
MIGRATE_VDR_DHCP = 'migrate-vdr-dhcp'
|
||||
STATUS = 'status'
|
||||
GENERATE = 'generate'
|
||||
IMPORT = 'import'
|
||||
@ -167,7 +168,8 @@ nsxv_resources = {
|
||||
Operations.NSX_UPDATE_SECRET.value,
|
||||
Operations.STATUS.value]),
|
||||
constants.ROUTERS: Resource(constants.ROUTERS,
|
||||
[Operations.NSX_RECREATE.value]),
|
||||
[Operations.NSX_RECREATE.value,
|
||||
Operations.MIGRATE_VDR_DHCP.value]),
|
||||
constants.CONFIG: Resource(constants.CONFIG,
|
||||
[Operations.VALIDATE.value]),
|
||||
constants.BGP_GW_EDGE: Resource(constants.BGP_GW_EDGE,
|
||||
|
||||
@ -192,7 +192,6 @@ class NsxVPluginV2TestCase(test_plugin.NeutronDbPluginV2TestCase):
|
||||
plugin_instance._get_edge_id_and_az_by_rtr_id = mock.Mock()
|
||||
plugin_instance._get_edge_id_and_az_by_rtr_id.return_value = (
|
||||
False, False)
|
||||
plugin_instance.edge_manager.is_dhcp_opt_enabled = True
|
||||
# call init_complete manually. The event is not called in unit tests
|
||||
plugin_instance.init_complete(None, None, {})
|
||||
|
||||
@ -2666,7 +2665,6 @@ class L3NatTestCaseBase(test_l3_plugin.L3NatTestCaseMixin):
|
||||
expected_code=error_code)
|
||||
|
||||
def test_subnet_dhcp_metadata_with_update(self):
|
||||
cfg.CONF.set_override('dhcp_force_metadata', True, group='nsxv')
|
||||
self.plugin_instance.metadata_proxy_handler = mock.Mock()
|
||||
with self.subnet(cidr="10.0.0.0/24", enable_dhcp=True) as s1:
|
||||
subnet_id = s1['subnet']['id']
|
||||
@ -3170,7 +3168,6 @@ class TestExclusiveRouterTestCase(L3NatTest, L3NatTestCaseBase,
|
||||
|
||||
@mock.patch.object(edge_utils, "update_firewall")
|
||||
def test_router_interfaces_with_update_firewall_metadata(self, mock):
|
||||
cfg.CONF.set_override('dhcp_force_metadata', True, group='nsxv')
|
||||
self.plugin_instance.metadata_proxy_handler = mock.Mock()
|
||||
s1_cidr = '10.0.0.0/24'
|
||||
s2_cidr = '11.0.0.0/24'
|
||||
@ -3241,7 +3238,6 @@ class TestExclusiveRouterTestCase(L3NatTest, L3NatTestCaseBase,
|
||||
def test_router_interfaces_with_update_firewall_metadata_conf(self, mock):
|
||||
"""Test the metadata proxy firewall rule with configured ports
|
||||
"""
|
||||
cfg.CONF.set_override('dhcp_force_metadata', True, group='nsxv')
|
||||
cfg.CONF.set_override('metadata_service_allowed_ports',
|
||||
['55', ' 66 ', '55', '77'], group='nsxv')
|
||||
self.plugin_instance.metadata_proxy_handler = mock.Mock()
|
||||
|
||||
@ -1198,7 +1198,7 @@ class FakeVcns(object):
|
||||
return True
|
||||
|
||||
def get_version(self):
|
||||
return '6.2.0'
|
||||
return '6.2.3'
|
||||
|
||||
def get_tuning_configration(self):
|
||||
return {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user