A set of Neutron drivers for the VMware NSX.
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# Copyright 2016 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.
import logging
from neutron_lib.api import attributes as lib_attrs
from oslo_config import cfg
from oslo_utils import uuidutils
import webob.exc
from vmware_nsx.common import nsxv_constants
from vmware_nsxlib.v3 import nsx_constants as nsxlib_consts
logging.basicConfig(level=logging.INFO)
LOG = logging.getLogger(__name__)
def _fixup_res_dict(context, attr_name, res_dict, check_allow_post=True):
# This method is a replacement of _fixup_res_dict which is used in
# neutron_lib.plugin.utils. All this mock does is insert a uuid
# for the id field if one is not found ONLY if running in api_replay_mode.
if cfg.CONF.api_replay_mode and 'id' not in res_dict:
res_dict['id'] = uuidutils.generate_uuid()
attr_info = lib_attrs.RESOURCES[attr_name]
attr_ops = lib_attrs.AttributeInfo(attr_info)
try:
attr_ops.populate_project_id(context, res_dict, True)
lib_attrs.populate_project_info(attr_info)
attr_ops.verify_attributes(res_dict)
except webob.exc.HTTPBadRequest as e:
# convert webob exception into ValueError as these functions are
# for internal use. webob exception doesn't make sense.
raise ValueError(e.detail)
attr_ops.fill_post_defaults(res_dict, check_allow_post=check_allow_post)
attr_ops.convert_values(res_dict)
return res_dict
class PrepareObjectForMigration(object):
"""Helper class to modify source objects before creating them in dest"""
# Remove some fields before creating the new object.
# Some fields are not supported for a new object, and some are not
# supported by the destination plugin
basic_ignore_fields = ['updated_at',
'created_at',
'tags',
'revision',
'revision_number']
drop_sg_rule_fields = basic_ignore_fields
drop_sg_fields = basic_ignore_fields + ['policy']
drop_quota_fields = basic_ignore_fields + [
'tenant_id',
'project_id',
'housekeeper',
'nsx_policy',
'l2-gateway-connection']
drop_router_fields = basic_ignore_fields + [
'status',
'routes',
'ha',
'external_gateway_info',
'router_type',
'availability_zones',
'distributed',
'flavor_id']
drop_subnetpool_fields = basic_ignore_fields + [
'id',
'ip_version']
drop_subnet_fields = basic_ignore_fields + [
'advanced_service_providers',
'service_types']
drop_port_fields = basic_ignore_fields + [
'status',
'binding:vif_details',
'binding:vif_type',
'binding:host_id',
'vnic_index',
'dns_assignment',
'resource_request']
drop_network_fields = basic_ignore_fields + [
'status',
'subnets',
'availability_zones',
'ipv4_address_scope',
'ipv6_address_scope',
'mtu']
drop_fip_fields = basic_ignore_fields + [
'status', 'router_id', 'id', 'revision']
drop_qos_rule_fields = ['revision', 'type', 'qos_policy_id', 'id']
drop_qos_policy_fields = basic_ignore_fields
drop_fwaas_rule_fields = ['firewall_policy_id']
drop_fwaas_policy_fields = []
drop_fwaas_group_fields = ['status']
lb_ignore_fields = ['created_at', 'updated_at', 'operating_status',
'provisioning_status']
drop_lb_loadbalancer_fields = lb_ignore_fields + [
'listeners', 'pools', # Those objects will be created later
'flavor_id', # not supported by the driver
'vip_qos_policy_id', # not supported by the driver
]
drop_lb_listener_fields = lb_ignore_fields + [
'l7policies', 'default_pool_id']
drop_lb_pool_fields = lb_ignore_fields + [
'loadbalancers', 'healthmonitor_id', 'listeners', 'members']
drop_lb_member_fields = lb_ignore_fields
drop_lb_hm_fields = lb_ignore_fields + ['pools']
drop_lb_l7policy_fields = lb_ignore_fields + ['rules']
drop_lb_l7rule_fields = lb_ignore_fields
def drop_fields(self, item, drop_fields):
body = {}
for k, v in item.items():
if k in drop_fields:
continue
body[k] = v
return body
def fix_description(self, body):
# neutron doesn't like description being None even though its
# what it returns to us.
if 'description' in body and body['description'] is None:
body['description'] = ''
# direct_call arg means that the object is prepared for calling the plugin
# create method directly
def prepare_security_group_rule(self, sg_rule, direct_call=False):
self.fix_description(sg_rule)
return self.drop_fields(sg_rule, self.drop_sg_rule_fields)
def prepare_security_group(self, sg, direct_call=False):
self.fix_description(sg)
return self.drop_fields(sg, self.drop_sg_fields)
def prepare_quota(self, quota):
body = self.drop_fields(quota, self.drop_quota_fields)
return body
def prepare_router(self, rtr, dest_azs=None, direct_call=False):
self.fix_description(rtr)
body = self.drop_fields(rtr, self.drop_router_fields)
if dest_azs:
if body.get('availability_zone_hints'):
az = body['availability_zone_hints'][0]
if az not in dest_azs:
if az != 'default':
LOG.warning("Ignoring AZ %s in router %s as it is not "
"defined in destination", az, rtr['id'])
body['availability_zone_hints'] = []
elif direct_call:
body['availability_zone_hints'] = []
return body
def prepare_subnetpool(self, pool, direct_call=False):
self.fix_description(pool)
return self.drop_fields(pool, self.drop_subnetpool_fields)
def prepare_network(self, net, dest_default_public_net=True,
remove_qos=False, dest_azs=None, direct_call=False,
ext_net_map=None, net_vni_map=None):
self.fix_description(net)
body = self.drop_fields(net, self.drop_network_fields)
if remove_qos:
body = self.drop_fields(body, ['qos_policy_id'])
# neutron doesn't like some fields being None even though its
# what it returns to us.
for field in ['provider:physical_network',
'provider:segmentation_id',
'vlan_transparent']:
if field in body and body[field] is None:
del body[field]
# vxlan network with segmentation id should be translated to a regular
# network in nsx-v3/P.
if (body.get('provider:network_type') == 'vxlan' and
body.get('provider:segmentation_id') is not None):
del body['provider:network_type']
del body['provider:segmentation_id']
if 'provider:physical_network' in body:
del body['provider:physical_network']
# flat network should be translated to a regular network in nsx-v3/P.
if (body.get('provider:network_type') == 'flat'):
del body['provider:network_type']
if 'provider:physical_network' in body:
del body['provider:physical_network']
if 'provider:segmentation_id' in body:
del body['provider:segmentation_id']
# For VLAN network we are removing the physical_network so the default
# vlan TZ will be used by the plugin
if (body.get('provider:network_type') == 'vlan'):
if 'provider:physical_network' in body:
del body['provider:physical_network']
# external networks need some special care
if body.get('router:external'):
fields_reset = False
# TODO(asarfaty): map external network neutron ids to Policy tier0
for field in ['provider:network_type', 'provider:segmentation_id',
'provider:physical_network']:
if field in body:
if body[field] is not None:
fields_reset = True
del body[field]
if fields_reset:
LOG.warning("Ignoring provider network fields while migrating "
"external network %s", body['id'])
# Get the tier0 into the physical_network
if ext_net_map and body['id'] in ext_net_map:
body['provider:physical_network'] = ext_net_map[body['id']]
else:
LOG.warning("Using default Tier0 as provider:physical_network "
"while migrating external network %s", body['id'])
if 'provider:physical_network' in body:
del body['provider:physical_network']
if body.get('is_default') and dest_default_public_net:
body['is_default'] = False
LOG.warning("Public network %s was set to non default network",
body['id'])
if dest_azs:
if body.get('availability_zone_hints'):
az = body['availability_zone_hints'][0]
if az not in dest_azs:
if az != 'default':
LOG.warning("Ignoring AZ %s in net %s as it is not "
"defined in destination", az, body['id'])
body['availability_zone_hints'] = []
elif direct_call:
body['availability_zone_hints'] = []
if net_vni_map and body['id'] in net_vni_map:
body['vni'] = net_vni_map[body['id']]
if (body.get('project_id') == nsxv_constants.INTERNAL_TENANT_ID and
body.get('name').startswith('inter-edge-net')):
# rename the internal network
body['name'] = "Internal network for mdproxy migration"
return body
def prepare_subnet(self, subnet, direct_call=False):
self.fix_description(subnet)
body = self.drop_fields(subnet, self.drop_subnet_fields)
# Drop v6 fields on subnets that are v4 as server doesn't allow them.
v6_fields_to_remove = ['ipv6_address_mode', 'ipv6_ra_mode']
if body['ip_version'] == 4:
for field in v6_fields_to_remove:
if field in body:
body.pop(field)
else:
# For ipv6 mode - remove those only if empty
for field in v6_fields_to_remove:
if field in body and body[field] is None:
body.pop(field)
return body
def prepare_port(self, port, remove_qos=False, vif_ids_map=None,
direct_call=False):
self.fix_description(port)
body = self.drop_fields(port, self.drop_port_fields)
if remove_qos:
body = self.drop_fields(body, ['qos_policy_id'])
num_allowed_pairs = nsxlib_consts.NUM_ALLOWED_IP_ADDRESSES_v4 - 1
if 'allowed_address_pairs' in body:
if not body['allowed_address_pairs']:
# remove allowed_address_pairs if empty:
del body['allowed_address_pairs']
else:
if len(body['allowed_address_pairs']) > num_allowed_pairs:
body['allowed_address_pairs'] = body[
'allowed_address_pairs'][:num_allowed_pairs]
LOG.warning("ignoring extra allowed_address_pair for "
"port %s as only %s are allowed",
port['id'], num_allowed_pairs)
# remove port security if mac learning is enabled
if (body.get('mac_learning_enabled') and
body.get('port_security_enabled')):
LOG.warning("Disabling port security of port %s: The plugin "
"doesn't support mac learning with port security",
body['id'])
body['port_security_enabled'] = False
body['security_groups'] = []
if vif_ids_map and body['id'] in vif_ids_map:
body['vif_id'] = vif_ids_map[body['id']]
if direct_call:
if 'device_id' not in body:
body['device_id'] = ""
if 'device_owner' not in body:
body['device_owner'] = ""
return body
def prepare_floatingip(self, fip, direct_call=False):
self.fix_description(fip)
return self.drop_fields(fip, self.drop_fip_fields)
def prepare_qos_rule(self, rule, tenant_id=None, direct_call=False):
self.fix_description(rule)
if tenant_id and not rule.get('tenant_id'):
rule['tenant_id'] = tenant_id
return self.drop_fields(rule, self.drop_qos_rule_fields)
def prepare_qos_policy(self, policy, direct_call=False):
self.fix_description(policy)
return self.drop_fields(policy, self.drop_qos_policy_fields)
def prepare_fwaas_rule(self, rule):
self.fix_description(rule)
return self.drop_fields(rule, self.drop_fwaas_rule_fields)
def prepare_fwaas_policy(self, policy):
self.fix_description(policy)
return self.drop_fields(policy, self.drop_fwaas_policy_fields)
def prepare_fwaas_group(self, group):
self.fix_description(group)
return self.drop_fields(group, self.drop_fwaas_group_fields)
def prepare_lb_loadbalancer(self, lb_obj):
return self.drop_fields(lb_obj, self.drop_lb_loadbalancer_fields)
def prepare_lb_listener(self, listener_obj, lb_body):
body = self.drop_fields(listener_obj, self.drop_lb_listener_fields)
body['loadbalancer'] = lb_body
body['loadbalancer']['listeners'] = []
body['loadbalancer_id'] = lb_body['id']
return body
def prepare_lb_pool(self, pool_obj, lb_body):
body = self.drop_fields(pool_obj, self.drop_lb_pool_fields)
body['loadbalancer'] = lb_body
body['loadbalancer']['listeners'] = []
body['loadbalancer_id'] = lb_body['id']
return body
def prepare_lb_member(self, mem_obj, lb_body):
body = self.drop_fields(mem_obj, self.drop_lb_member_fields)
body['loadbalancer'] = lb_body
body['loadbalancer']['listeners'] = []
body['loadbalancer_id'] = lb_body['id']
return body
def prepare_lb_hm(self, lb_obj):
return self.drop_fields(lb_obj, self.drop_lb_hm_fields)
def prepare_lb_l7policy(self, lb_obj):
body = self.drop_fields(lb_obj, self.drop_lb_l7policy_fields)
body['rules'] = []
return body
def prepare_lb_l7rule(self, lb_obj):
return self.drop_fields(lb_obj, self.drop_lb_l7rule_fields)