278 lines
12 KiB
Python
278 lines
12 KiB
Python
# Copyright 2015 VMware, Inc.
|
|
# 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.
|
|
|
|
"""
|
|
NSX-V3 Plugin router module
|
|
"""
|
|
import copy
|
|
|
|
from oslo_log import log
|
|
|
|
from vmware_nsxlib._i18n import _
|
|
from vmware_nsxlib.v3 import exceptions
|
|
from vmware_nsxlib.v3 import nsx_constants
|
|
from vmware_nsxlib.v3 import utils
|
|
|
|
LOG = log.getLogger(__name__)
|
|
|
|
MIN_EDGE_NODE_NUM = 1
|
|
|
|
TIER0_ROUTER_LINK_PORT_NAME = "TIER0-RouterLinkPort"
|
|
TIER1_ROUTER_LINK_PORT_NAME = "TIER1-RouterLinkPort"
|
|
ROUTER_INTF_PORT_NAME = "Tier1-RouterDownLinkPort"
|
|
|
|
FIP_NAT_PRI = 900
|
|
GW_NAT_PRI = 1000
|
|
|
|
|
|
class RouterLib(object):
|
|
|
|
def __init__(self, router_client, router_port_client, nsxlib):
|
|
self._router_client = router_client
|
|
self._router_port_client = router_port_client
|
|
self.nsxlib = nsxlib
|
|
|
|
def validate_tier0(self, tier0_groups_dict, tier0_uuid):
|
|
err_msg = None
|
|
try:
|
|
lrouter = self._router_client.get(tier0_uuid)
|
|
except exceptions.ResourceNotFound:
|
|
err_msg = (_("Tier0 router %s not found at the backend. Either a "
|
|
"valid UUID must be specified or a default tier0 "
|
|
"router UUID must be configured in nsx.ini") %
|
|
tier0_uuid)
|
|
else:
|
|
edge_cluster_uuid = lrouter.get('edge_cluster_id')
|
|
if not edge_cluster_uuid:
|
|
err_msg = _("Failed to get edge cluster uuid from tier0 "
|
|
"router %s at the backend") % lrouter
|
|
else:
|
|
edge_cluster = self.nsxlib.edge_cluster.get(edge_cluster_uuid)
|
|
member_index_list = [member['member_index']
|
|
for member in edge_cluster['members']]
|
|
if len(member_index_list) < MIN_EDGE_NODE_NUM:
|
|
err_msg = _("%(act_num)s edge members found in "
|
|
"edge_cluster %(cluster_id)s, however we "
|
|
"require at least %(exp_num)s edge nodes "
|
|
"in edge cluster for use.") % {
|
|
'act_num': len(member_index_list),
|
|
'exp_num': MIN_EDGE_NODE_NUM,
|
|
'cluster_id': edge_cluster_uuid}
|
|
if err_msg:
|
|
raise exceptions.NsxLibInvalidInput(error_message=err_msg)
|
|
else:
|
|
tier0_groups_dict[tier0_uuid] = {
|
|
'edge_cluster_uuid': edge_cluster_uuid,
|
|
'member_index_list': member_index_list}
|
|
|
|
def add_router_link_port(self, tier1_uuid, tier0_uuid, tags):
|
|
# Create Tier0 logical router link port
|
|
t0_tags = copy.copy(tags)
|
|
t0_tags = utils.add_v3_tag(t0_tags, 'os-tier0-uuid', tier0_uuid)
|
|
tier0_link_port = self._router_port_client.create(
|
|
tier0_uuid, display_name=TIER0_ROUTER_LINK_PORT_NAME, tags=t0_tags,
|
|
resource_type=nsx_constants.LROUTERPORT_LINKONTIER0,
|
|
logical_port_id=None,
|
|
address_groups=None)
|
|
linked_logical_port_id = tier0_link_port['id']
|
|
# Create Tier1 logical router link port
|
|
t1_tags = copy.copy(tags)
|
|
t1_tags = utils.add_v3_tag(t1_tags, 'os-tier1-uuid', tier1_uuid)
|
|
self._router_port_client.create(
|
|
tier1_uuid, display_name=TIER1_ROUTER_LINK_PORT_NAME, tags=t1_tags,
|
|
resource_type=nsx_constants.LROUTERPORT_LINKONTIER1,
|
|
logical_port_id=linked_logical_port_id,
|
|
address_groups=None)
|
|
|
|
def remove_router_link_port(self, tier1_uuid, tier0_uuid):
|
|
try:
|
|
tier1_link_port = (
|
|
self._router_port_client.get_tier1_link_port(tier1_uuid))
|
|
except exceptions.ResourceNotFound:
|
|
LOG.warning("Logical router link port for tier1 router: %s "
|
|
"not found at the backend", tier1_uuid)
|
|
return
|
|
tier1_link_port_id = tier1_link_port['id']
|
|
tier0_link_port_id = (
|
|
tier1_link_port['linked_logical_router_port_id'].get('target_id'))
|
|
self._router_port_client.delete(tier1_link_port_id)
|
|
self._router_port_client.delete(tier0_link_port_id)
|
|
|
|
def update_advertisement(self, logical_router_id,
|
|
advertise_route_nat,
|
|
advertise_route_connected,
|
|
advertise_route_static=False,
|
|
enabled=True,
|
|
advertise_lb_vip=False,
|
|
advertise_lb_snat_ip=False):
|
|
return self.nsxlib.logical_router.update_advertisement(
|
|
logical_router_id,
|
|
advertise_nat_routes=advertise_route_nat,
|
|
advertise_nsx_connected_routes=advertise_route_connected,
|
|
advertise_static_routes=advertise_route_static,
|
|
enabled=enabled, advertise_lb_vip=advertise_lb_vip,
|
|
advertise_lb_snat_ip=advertise_lb_snat_ip)
|
|
|
|
def delete_gw_snat_rule(self, logical_router_id, gw_ip):
|
|
"""Delete router snat rule matching the gw ip
|
|
|
|
assuming there is only one
|
|
"""
|
|
return self.nsxlib.logical_router.delete_nat_rule_by_values(
|
|
logical_router_id,
|
|
translated_network=gw_ip)
|
|
|
|
def delete_gw_snat_rule_by_source(self, logical_router_id, gw_ip,
|
|
source_net, skip_not_found=False):
|
|
"""Delete router snat rule matching the gw ip & source"""
|
|
return self.nsxlib.logical_router.delete_nat_rule_by_values(
|
|
logical_router_id,
|
|
translated_network=gw_ip,
|
|
match_source_network=source_net,
|
|
# Do not fail or warn if not found, unless asked for
|
|
skip_not_found=skip_not_found, strict_mode=(not skip_not_found))
|
|
|
|
def delete_gw_snat_rules(self, logical_router_id, gw_ip):
|
|
"""Delete all the snat rules on the router with a specific gw ip"""
|
|
return self.nsxlib.logical_router.delete_nat_rule_by_values(
|
|
logical_router_id,
|
|
translated_network=gw_ip,
|
|
# Do not fail or warn if not found
|
|
skip_not_found=True, strict_mode=False)
|
|
|
|
def add_gw_snat_rule(self, logical_router_id, gw_ip, source_net=None,
|
|
bypass_firewall=True, tags=None, display_name=None):
|
|
return self.nsxlib.logical_router.add_nat_rule(
|
|
logical_router_id, action="SNAT",
|
|
translated_network=gw_ip,
|
|
source_net=source_net,
|
|
rule_priority=GW_NAT_PRI,
|
|
bypass_firewall=bypass_firewall,
|
|
tags=tags,
|
|
display_name=display_name)
|
|
|
|
def update_router_edge_cluster(self, nsx_router_id, edge_cluster_uuid):
|
|
return self._router_client.update(nsx_router_id,
|
|
edge_cluster_id=edge_cluster_uuid)
|
|
|
|
def update_router_transport_zone(self, nsx_router_id, transport_zone_id):
|
|
return self._router_client.update(nsx_router_id,
|
|
transport_zone_id=transport_zone_id)
|
|
|
|
def create_logical_router_intf_port_by_ls_id(self, logical_router_id,
|
|
display_name,
|
|
tags,
|
|
ls_id,
|
|
logical_switch_port_id,
|
|
address_groups,
|
|
urpf_mode=None,
|
|
relay_service_uuid=None,
|
|
resource_type=None):
|
|
try:
|
|
port = self._router_port_client.get_by_lswitch_id(ls_id)
|
|
except exceptions.ResourceNotFound:
|
|
if resource_type is None:
|
|
resource_type = nsx_constants.LROUTERPORT_DOWNLINK
|
|
return self._router_port_client.create(
|
|
logical_router_id,
|
|
display_name,
|
|
tags,
|
|
resource_type,
|
|
logical_switch_port_id,
|
|
address_groups,
|
|
urpf_mode=urpf_mode,
|
|
relay_service_uuid=relay_service_uuid)
|
|
else:
|
|
return self._router_port_client.update(
|
|
port['id'], subnets=address_groups,
|
|
relay_service_uuid=relay_service_uuid)
|
|
|
|
def add_fip_nat_rules(self, logical_router_id, ext_ip, int_ip,
|
|
match_ports=None, bypass_firewall=True,
|
|
tags=None, display_name=None):
|
|
self.nsxlib.logical_router.add_nat_rule(
|
|
logical_router_id, action="SNAT",
|
|
translated_network=ext_ip,
|
|
source_net=int_ip,
|
|
rule_priority=FIP_NAT_PRI,
|
|
bypass_firewall=bypass_firewall,
|
|
tags=tags,
|
|
display_name=display_name)
|
|
self.nsxlib.logical_router.add_nat_rule(
|
|
logical_router_id, action="DNAT",
|
|
translated_network=int_ip,
|
|
dest_net=ext_ip,
|
|
rule_priority=FIP_NAT_PRI,
|
|
match_ports=match_ports,
|
|
bypass_firewall=bypass_firewall,
|
|
tags=tags,
|
|
display_name=display_name)
|
|
|
|
def delete_fip_nat_rules_by_internal_ip(self, logical_router_id, int_ip):
|
|
self.nsxlib.logical_router.delete_nat_rule_by_values(
|
|
logical_router_id,
|
|
action="SNAT",
|
|
match_source_network=int_ip)
|
|
self.nsxlib.logical_router.delete_nat_rule_by_values(
|
|
logical_router_id,
|
|
action="DNAT",
|
|
translated_network=int_ip)
|
|
|
|
def delete_fip_nat_rules(self, logical_router_id, ext_ip, int_ip):
|
|
self.nsxlib.logical_router.delete_nat_rule_by_values(
|
|
logical_router_id,
|
|
action="SNAT",
|
|
translated_network=ext_ip,
|
|
match_source_network=int_ip)
|
|
self.nsxlib.logical_router.delete_nat_rule_by_values(
|
|
logical_router_id,
|
|
action="DNAT",
|
|
translated_network=int_ip,
|
|
match_destination_network=ext_ip)
|
|
|
|
def add_static_routes(self, nsx_router_id, route):
|
|
return self.nsxlib.logical_router.add_static_route(
|
|
nsx_router_id,
|
|
route['destination'],
|
|
route['nexthop'])
|
|
|
|
def delete_static_routes(self, nsx_router_id, route):
|
|
return self.nsxlib.logical_router.delete_static_route_by_values(
|
|
nsx_router_id, dest_cidr=route['destination'],
|
|
nexthop=route['nexthop'])
|
|
|
|
def get_tier0_router_tz(self, tier0_uuid):
|
|
lrouter = self._router_client.get(tier0_uuid)
|
|
edge_cluster_uuid = lrouter.get('edge_cluster_id')
|
|
if not edge_cluster_uuid:
|
|
return []
|
|
tier0_transport_nodes = self.nsxlib.edge_cluster.get_transport_nodes(
|
|
edge_cluster_uuid)
|
|
tier0_tzs = []
|
|
for tn_uuid in tier0_transport_nodes:
|
|
tier0_tzs.extend(self.nsxlib.transport_node.get_transport_zones(
|
|
tn_uuid))
|
|
return tier0_tzs
|
|
|
|
def get_tier0_router_overlay_tz(self, tier0_uuid):
|
|
tz_uuids = self.get_tier0_router_tz(tier0_uuid)
|
|
for tz_uuid in tz_uuids:
|
|
# look for the overlay tz
|
|
backend_type = self.nsxlib.transport_zone.get_transport_type(
|
|
tz_uuid)
|
|
if (backend_type ==
|
|
self.nsxlib.transport_zone.TRANSPORT_TYPE_OVERLAY):
|
|
return tz_uuid
|