276 lines
11 KiB
Python
276 lines
11 KiB
Python
# Copyright 2016 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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import logging
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from neutron_lib.api import attributes as lib_attrs
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from oslo_config import cfg
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from oslo_utils import uuidutils
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import webob.exc
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logging.basicConfig(level=logging.INFO)
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LOG = logging.getLogger(__name__)
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def _fixup_res_dict(context, attr_name, res_dict, check_allow_post=True):
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# This method is a replacement of _fixup_res_dict which is used in
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# neutron_lib.plugin.utils. All this mock does is insert a uuid
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# for the id field if one is not found ONLY if running in api_replay_mode.
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if cfg.CONF.api_replay_mode and 'id' not in res_dict:
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res_dict['id'] = uuidutils.generate_uuid()
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attr_info = lib_attrs.RESOURCES[attr_name]
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attr_ops = lib_attrs.AttributeInfo(attr_info)
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try:
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attr_ops.populate_project_id(context, res_dict, True)
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lib_attrs.populate_project_info(attr_info)
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attr_ops.verify_attributes(res_dict)
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except webob.exc.HTTPBadRequest as e:
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# convert webob exception into ValueError as these functions are
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# for internal use. webob exception doesn't make sense.
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raise ValueError(e.detail)
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attr_ops.fill_post_defaults(res_dict, check_allow_post=check_allow_post)
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attr_ops.convert_values(res_dict)
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return res_dict
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class PrepareObjectForMigration(object):
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"""Helper class to modify source objects before creating them in dest"""
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# Remove some fields before creating the new object.
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# Some fields are not supported for a new object, and some are not
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# supported by the destination plugin
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basic_ignore_fields = ['updated_at',
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'created_at',
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'tags',
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'revision',
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'revision_number']
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drop_sg_rule_fields = basic_ignore_fields
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drop_sg_fields = basic_ignore_fields + ['policy']
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drop_router_fields = basic_ignore_fields + [
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'status',
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'routes',
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'ha',
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'external_gateway_info',
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'router_type',
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'availability_zones',
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'distributed',
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'flavor_id']
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drop_subnetpool_fields = basic_ignore_fields + [
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'id',
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'ip_version']
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drop_subnet_fields = basic_ignore_fields + [
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'advanced_service_providers',
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'id',
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'service_types']
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drop_port_fields = basic_ignore_fields + [
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'status',
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'binding:vif_details',
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'binding:vif_type',
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'binding:host_id',
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'vnic_index',
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'dns_assignment']
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drop_network_fields = basic_ignore_fields + [
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'status',
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'subnets',
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'availability_zones',
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'ipv4_address_scope',
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'ipv6_address_scope',
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'mtu']
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drop_fip_fields = basic_ignore_fields + [
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'status', 'router_id', 'id', 'revision']
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drop_qos_rule_fields = ['revision', 'type', 'qos_policy_id', 'id']
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drop_qos_policy_fields = ['revision']
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drop_fwaas_rule_fields = ['firewall_policy_id']
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drop_fwaas_policy_fields = []
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drop_fwaas_group_fields = ['status']
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def drop_fields(self, item, drop_fields):
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body = {}
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for k, v in item.items():
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if k in drop_fields:
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continue
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body[k] = v
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return body
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def fix_description(self, body):
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# neutron doesn't like description being None even though its
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# what it returns to us.
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if 'description' in body and body['description'] is None:
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body['description'] = ''
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# direct_call arg means that the object is prepared for calling the plugin
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# create method directly
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def prepare_security_group_rule(self, sg_rule, direct_call=False):
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self.fix_description(sg_rule)
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return self.drop_fields(sg_rule, self.drop_sg_rule_fields)
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def prepare_security_group(self, sg, direct_call=False):
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self.fix_description(sg)
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return self.drop_fields(sg, self.drop_sg_fields)
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def prepare_router(self, rtr, dest_azs=None, direct_call=False):
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self.fix_description(rtr)
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body = self.drop_fields(rtr, self.drop_router_fields)
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if dest_azs:
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if body.get('availability_zone_hints'):
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az = body['availability_zone_hints'][0]
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if az not in dest_azs:
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if az != 'default':
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LOG.warning("Ignoring AZ %s in router %s as it is not "
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"defined in destination", az, rtr['id'])
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body['availability_zone_hints'] = []
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elif direct_call:
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body['availability_zone_hints'] = []
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return body
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def prepare_subnetpool(self, pool, direct_call=False):
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self.fix_description(pool)
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return self.drop_fields(pool, self.drop_subnetpool_fields)
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def prepare_network(self, net, dest_default_public_net=True,
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remove_qos=False, dest_azs=None, direct_call=False):
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self.fix_description(net)
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body = self.drop_fields(net, self.drop_network_fields)
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if remove_qos:
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body = self.drop_fields(body, ['qos_policy_id'])
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# neutron doesn't like some fields being None even though its
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# what it returns to us.
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for field in ['provider:physical_network',
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'provider:segmentation_id']:
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if field in body and body[field] is None:
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del body[field]
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# vxlan network with segmentation id should be translated to a regular
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# network in nsx-v3/P.
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if (body.get('provider:network_type') == 'vxlan' and
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body.get('provider:segmentation_id') is not None):
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del body['provider:network_type']
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del body['provider:segmentation_id']
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# flat network should be translated to a regular network in nsx-v3/P.
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if (body.get('provider:network_type') == 'flat'):
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del body['provider:network_type']
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if 'provider:physical_network' in body:
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del body['provider:physical_network']
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# external networks needs some special care
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if body.get('router:external'):
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fields_reset = False
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for field in ['provider:network_type', 'provider:segmentation_id',
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'provider:physical_network']:
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if field in body:
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if body[field] is not None:
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fields_reset = True
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del body[field]
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if fields_reset:
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LOG.warning("Ignoring provider network fields while migrating "
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"external network %s", body['id'])
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if body.get('is_default') and dest_default_public_net:
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body['is_default'] = False
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LOG.warning("Public network %s was set to non default network",
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body['id'])
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if dest_azs:
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if body.get('availability_zone_hints'):
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az = body['availability_zone_hints'][0]
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if az not in dest_azs:
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if az != 'default':
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LOG.warning("Ignoring AZ %s in net %s as it is not "
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"defined in destination", az, body['id'])
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body['availability_zone_hints'] = []
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elif direct_call:
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body['availability_zone_hints'] = []
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return body
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def prepare_subnet(self, subnet, direct_call=False):
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self.fix_description(subnet)
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body = self.drop_fields(subnet, self.drop_subnet_fields)
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# Drops v6 fields on subnets that are v4 as server doesn't allow them.
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v6_fields_to_remove = ['ipv6_address_mode', 'ipv6_ra_mode']
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if body['ip_version'] == 4:
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for field in v6_fields_to_remove:
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if field in body:
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body.pop(field)
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return body
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def prepare_port(self, port, remove_qos=False, direct_call=False):
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self.fix_description(port)
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body = self.drop_fields(port, self.drop_port_fields)
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if remove_qos:
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body = self.drop_fields(body, ['qos_policy_id'])
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if 'allowed_address_pairs' in body:
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if not body['allowed_address_pairs']:
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# remove allowed_address_pairs if empty:
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del body['allowed_address_pairs']
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else:
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# remove unsupported allowed_address_pairs
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for pair in body['allowed_address_pairs']:
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ip = pair.get('ip_address')
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if len(ip.split('/')) > 1:
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LOG.warning("ignoring allowed_address_pair %s for "
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"port %s as cidr is not supported",
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pair, port['id'])
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body['allowed_address_pairs'].remove(pair)
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# remove port security if mac learning is enabled
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if (body.get('mac_learning_enabled') and
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body.get('port_security_enabled')):
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LOG.warning("Disabling port security of port %s: The plugin "
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"doesn't support mac learning with port security",
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body['id'])
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body['port_security_enabled'] = False
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body['security_groups'] = []
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if direct_call:
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if 'device_id' not in body:
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body['device_id'] = ""
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if 'device_owner' not in body:
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body['device_owner'] = ""
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return body
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def prepare_floatingip(self, fip, direct_call=False):
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self.fix_description(fip)
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return self.drop_fields(fip, self.drop_fip_fields)
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def prepare_qos_rule(self, rule, direct_call=False):
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self.fix_description(rule)
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return self.drop_fields(rule, self.drop_qos_rule_fields)
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def prepare_qos_policy(self, policy, direct_call=False):
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self.fix_description(policy)
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return self.drop_fields(policy, self.drop_qos_policy_fields)
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def prepare_fwaas_rule(self, rule):
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self.fix_description(rule)
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return self.drop_fields(rule, self.drop_fwaas_rule_fields)
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def prepare_fwaas_policy(self, policy):
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self.fix_description(policy)
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return self.drop_fields(policy, self.drop_fwaas_policy_fields)
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def prepare_fwaas_group(self, group):
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self.fix_description(group)
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return self.drop_fields(group, self.drop_fwaas_group_fields)
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