a67d0ad9bd
Ensure that the correct _ method is used. Change-Id: I7ff4cb24bbde47e480dc6dd410b122693bd63ad3
181 lines
7.8 KiB
Python
181 lines
7.8 KiB
Python
# Copyright 2015 VMware, Inc.
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# 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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"""
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NSX-V3 Plugin router module
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"""
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import random
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from neutron.common import exceptions as n_exc
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from oslo_log import log
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from vmware_nsx._i18n import _, _LW
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from vmware_nsx.common import exceptions as nsx_exc
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from vmware_nsx.common import nsx_constants
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from vmware_nsx.nsxlib import v3 as nsxlib
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LOG = log.getLogger(__name__)
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# TODO(berlin): Remove this when we merges the edge node auto
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# placement feature.
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MIN_EDGE_NODE_NUM = 1
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TIER0_ROUTER_LINK_PORT_NAME = "TIER0-RouterLinkPort"
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TIER1_ROUTER_LINK_PORT_NAME = "TIER1-RouterLinkPort"
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ROUTER_INTF_PORT_NAME = "Tier1-RouterDownLinkPort"
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FIP_NAT_PRI = 900
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GW_NAT_PRI = 1000
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class RouterLib(object):
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def __init__(self, router_client, router_port_client):
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self._router_client = router_client
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self._router_port_client = router_port_client
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def validate_tier0(self, tier0_groups_dict, tier0_uuid):
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if tier0_uuid in tier0_groups_dict:
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return
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err_msg = None
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try:
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lrouter = self._router_client.get(tier0_uuid)
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except nsx_exc.ResourceNotFound:
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err_msg = _("Failed to validate tier0 router %s since it is "
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"not found at the backend") % tier0_uuid
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else:
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edge_cluster_uuid = lrouter.get('edge_cluster_id')
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if not edge_cluster_uuid:
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err_msg = _("Failed to get edge cluster uuid from tier0 "
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"router %s at the backend") % lrouter
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else:
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edge_cluster = nsxlib.get_edge_cluster(edge_cluster_uuid)
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member_index_list = [member['member_index']
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for member in edge_cluster['members']]
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if len(member_index_list) < MIN_EDGE_NODE_NUM:
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err_msg = _("%(act_num)s edge members found in "
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"edge_cluster %(cluster_id)s, however we "
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"require at least %(exp_num)s edge nodes "
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"in edge cluster for HA use.") % {
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'act_num': len(member_index_list),
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'exp_num': MIN_EDGE_NODE_NUM,
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'cluster_id': edge_cluster_uuid}
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if err_msg:
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raise n_exc.InvalidInput(error_message=err_msg)
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else:
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tier0_groups_dict[tier0_uuid] = {
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'edge_cluster_uuid': edge_cluster_uuid,
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'member_index_list': member_index_list}
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def add_router_link_port(self, tier1_uuid, tier0_uuid, edge_members):
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# Create Tier0 logical router link port
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tier0_link_port = self._router_port_client.create(
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tier0_uuid, display_name=TIER0_ROUTER_LINK_PORT_NAME,
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resource_type=nsx_constants.LROUTERPORT_LINKONTIER0,
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logical_port_id=None,
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address_groups=None)
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linked_logical_port_id = tier0_link_port['id']
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edge_cluster_member_index = random.sample(
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edge_members, MIN_EDGE_NODE_NUM)
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# Create Tier1 logical router link port
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self._router_port_client.create(
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tier1_uuid, display_name=TIER1_ROUTER_LINK_PORT_NAME,
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resource_type=nsx_constants.LROUTERPORT_LINKONTIER1,
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logical_port_id=linked_logical_port_id,
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address_groups=None,
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edge_cluster_member_index=edge_cluster_member_index)
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def remove_router_link_port(self, tier1_uuid, tier0_uuid):
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try:
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tier1_link_port = (
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self._router_port_client.get_tier1_link_port(tier1_uuid))
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except nsx_exc.ResourceNotFound:
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LOG.warning(_LW("Logical router link port for tier1 router: %s "
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"not found at the backend"), tier1_uuid)
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return
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tier1_link_port_id = tier1_link_port['id']
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tier0_link_port_id = (
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tier1_link_port['linked_logical_router_port_id'].get('target_id'))
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self._router_port_client.delete(tier1_link_port_id)
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self._router_port_client.delete(tier0_link_port_id)
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def update_advertisement(self, logical_router_id, advertise_route_nat,
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advertise_route_connected, enabled=True):
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return nsxlib.update_logical_router_advertisement(
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logical_router_id,
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advertise_nat_routes=advertise_route_nat,
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advertise_nsx_connected_routes=advertise_route_connected,
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enabled=enabled)
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def delete_gw_snat_rule(self, logical_router_id, gw_ip):
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return nsxlib.delete_nat_rule_by_values(logical_router_id,
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translated_network=gw_ip)
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def add_gw_snat_rule(self, logical_router_id, gw_ip):
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return nsxlib.add_nat_rule(logical_router_id, action="SNAT",
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translated_network=gw_ip,
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rule_priority=GW_NAT_PRI)
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def update_router_edge_cluster(self, nsx_router_id, edge_cluster_uuid):
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return self._router_client.update(nsx_router_id,
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edge_cluster_id=edge_cluster_uuid)
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def create_logical_router_intf_port_by_ls_id(self, logical_router_id,
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ls_id,
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logical_switch_port_id,
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address_groups):
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try:
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port = self._router_port_client.get_by_lswitch_id(ls_id)
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except nsx_exc.ResourceNotFound:
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return self._router_port_client.create(
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logical_router_id,
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ROUTER_INTF_PORT_NAME,
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nsx_constants.LROUTERPORT_DOWNLINK,
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logical_switch_port_id,
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address_groups)
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else:
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return self._router_port_client.update(
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port['id'], subnets=address_groups)
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def add_fip_nat_rules(self, logical_router_id, ext_ip, int_ip):
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nsxlib.add_nat_rule(logical_router_id, action="SNAT",
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translated_network=ext_ip,
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source_net=int_ip,
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rule_priority=FIP_NAT_PRI)
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nsxlib.add_nat_rule(logical_router_id, action="DNAT",
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translated_network=int_ip,
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dest_net=ext_ip,
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rule_priority=FIP_NAT_PRI)
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def delete_fip_nat_rules(self, logical_router_id, ext_ip, int_ip):
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nsxlib.delete_nat_rule_by_values(logical_router_id,
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action="SNAT",
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translated_network=ext_ip,
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match_source_network=int_ip)
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nsxlib.delete_nat_rule_by_values(logical_router_id,
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action="DNAT",
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translated_network=int_ip,
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match_destination_network=ext_ip)
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def add_static_routes(self, nsx_router_id, route):
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return nsxlib.add_static_route(nsx_router_id, route['destination'],
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route['nexthop'])
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def delete_static_routes(self, nsx_router_id, route):
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return nsxlib.delete_static_route_by_values(
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nsx_router_id, dest_cidr=route['destination'],
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nexthop=route['nexthop'])
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