c8b984ed5b
1. Upgrade ports with IPv4 address only 2. Delete previous internal metadata networks 3. Add list function for metadata proxy 4. Add more checking and logs 5. Pass required UUID from command-line 6. Refactor codes DocImpact Change-Id: I4e0f05b2dff9394cc6d0d567abf58507efaf6685
125 lines
5.3 KiB
Python
125 lines
5.3 KiB
Python
# Copyright 2016 VMware, Inc. 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.callbacks import registry
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from neutron_lib import constants as const
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from oslo_config import cfg
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from vmware_nsx._i18n import _LE, _LI
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from vmware_nsx.common import nsx_constants
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from vmware_nsx.common import utils as nsx_utils
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from vmware_nsx.dhcp_meta import rpc as nsx_rpc
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from vmware_nsx.nsxlib.v3 import resources
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from vmware_nsx.shell.admin.plugins.common import constants
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from vmware_nsx.shell.admin.plugins.common import formatters
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from vmware_nsx.shell.admin.plugins.common import utils as admin_utils
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from vmware_nsx.shell.admin.plugins.nsxv3.resources import utils
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import vmware_nsx.shell.resources as shell
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LOG = logging.getLogger(__name__)
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neutron_client = utils.NeutronDbClient()
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def _is_metadata_network(network):
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# If a Neutron network has only one subnet with 169.254.169.252/30 CIDR,
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# then it is an internal metadata network.
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if len(network['subnets']) == 1:
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subnet = neutron_client.get_subnet(network['subnets'][0])
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if subnet['cidr'] == nsx_rpc.METADATA_SUBNET_CIDR:
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return True
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return False
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@admin_utils.output_header
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def list_metadata_networks(resource, event, trigger, **kwargs):
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"""List Metadata networks in Neutron."""
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meta_networks = [network for network in neutron_client.get_networks()
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if _is_metadata_network(network)]
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LOG.info(formatters.output_formatter(constants.METADATA_PROXY,
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meta_networks,
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['id', 'name', 'subnets']))
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@admin_utils.output_header
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def nsx_update_metadata_proxy(resource, event, trigger, **kwargs):
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"""Update Metadata proxy for NSXv3 CrossHairs."""
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nsx_version = utils.get_connected_nsxlib().get_version()
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if not nsx_utils.is_nsx_version_1_1_0(nsx_version):
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LOG.info(_LI("This utility is not available for NSX version %s"),
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nsx_version)
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return
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metadata_proxy_uuid = None
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if kwargs.get('property'):
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properties = admin_utils.parse_multi_keyval_opt(kwargs['property'])
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metadata_proxy_uuid = properties.get('metadata_proxy_uuid')
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if not metadata_proxy_uuid:
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LOG.error(_LE("metadata_proxy_uuid is not defined"))
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return
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cfg.CONF.set_override('dhcp_agent_notification', False)
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cfg.CONF.set_override('native_dhcp_metadata', True, 'nsx_v3')
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cfg.CONF.set_override('metadata_proxy_uuid', metadata_proxy_uuid, 'nsx_v3')
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plugin = utils.NsxV3PluginWrapper()
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nsx_client = utils.get_nsxv3_client()
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port_resource = resources.LogicalPort(nsx_client)
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# For each Neutron network, check if it is an internal metadata network.
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# If yes, delete the network and associated router interface.
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# Otherwise, create a logical switch port with MD-Proxy attachment.
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for network in neutron_client.get_networks():
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if _is_metadata_network(network):
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# It is a metadata network, find the attached router,
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# remove the router interface and the network.
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filters = {'device_owner': const.ROUTER_INTERFACE_OWNERS,
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'fixed_ips': {
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'subnet_id': [network['subnets'][0]],
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'ip_address': [nsx_rpc.METADATA_GATEWAY_IP]}}
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ports = neutron_client.get_ports(filters=filters)
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if not ports:
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continue
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router_id = ports[0]['device_id']
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interface = {'subnet_id': network['subnets'][0]}
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plugin.remove_router_interface(router_id, interface)
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LOG.info(_LI("Removed metadata interface on router %s"), router_id)
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plugin.delete_network(network['id'])
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LOG.info(_LI("Removed metadata network %s"), network['id'])
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else:
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lswitch_id = neutron_client.net_id_to_lswitch_id(network['id'])
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if not lswitch_id:
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continue
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tags = nsx_utils.build_v3_tags_payload(
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network, resource_type='os-neutron-net-id',
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project_name='admin')
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name = nsx_utils.get_name_and_uuid('%s-%s' % (
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'mdproxy', network['name'] or 'network'), network['id'])
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port_resource.create(
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lswitch_id, metadata_proxy_uuid, tags=tags, name=name,
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attachment_type=nsx_constants.ATTACHMENT_MDPROXY)
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LOG.info(_LI("Enabled native metadata proxy for network %s"),
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network['id'])
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registry.subscribe(list_metadata_networks,
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constants.METADATA_PROXY,
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shell.Operations.LIST.value)
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registry.subscribe(nsx_update_metadata_proxy,
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constants.METADATA_PROXY,
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shell.Operations.NSX_UPDATE.value)
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