98 lines
4.1 KiB
Python
98 lines
4.1 KiB
Python
# Copyright 2014 VMware, Inc.
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#
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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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from neutron.api.rpc.agentnotifiers import dhcp_rpc_agent_api
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from neutron_lib.agent import topics
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from neutron_lib import constants as const
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from vmware_nsx.dhcp_meta import nsx as nsx_svc
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from vmware_nsx.dhcp_meta import rpc as nsx_rpc
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class DhcpAgentNotifyAPI(dhcp_rpc_agent_api.DhcpAgentNotifyAPI):
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def __init__(self, plugin, manager):
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super(DhcpAgentNotifyAPI, self).__init__(topic=topics.DHCP_AGENT)
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self.agentless_notifier = nsx_svc.DhcpAgentNotifyAPI(plugin, manager)
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def notify(self, context, data, methodname):
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[resource, action, _e] = methodname.split('.')
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lsn_manager = self.agentless_notifier.plugin.lsn_manager
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plugin = self.agentless_notifier.plugin
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if resource == 'network':
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net_id = data['network']['id']
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elif resource in ['port', 'subnet']:
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net_id = data[resource]['network_id']
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else:
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# no valid resource
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return
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lsn_exists = lsn_manager.lsn_exists(context, net_id)
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treat_dhcp_owner_specially = False
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if lsn_exists:
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# if lsn exists, the network is one created with the new model
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if (resource == 'subnet' and action == 'create' and
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const.DEVICE_OWNER_DHCP not in
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plugin.port_special_owners):
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# network/subnet provisioned in the new model have a plain
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# nsx lswitch port, no vif attachment
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plugin.port_special_owners.append(const.DEVICE_OWNER_DHCP)
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treat_dhcp_owner_specially = True
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if (resource == 'port' and action == 'update' or
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resource == 'subnet'):
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self.agentless_notifier.notify(context, data, methodname)
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elif not lsn_exists and resource in ['port', 'subnet']:
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# call notifier for the agent-based mode
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super(DhcpAgentNotifyAPI, self).notify(context, data, methodname)
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if treat_dhcp_owner_specially:
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# if subnets belong to networks created with the old model
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# dhcp port does not need to be special cased, so put things
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# back, since they were modified
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plugin.port_special_owners.remove(const.DEVICE_OWNER_DHCP)
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def handle_network_dhcp_access(plugin, context, network, action):
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nsx_svc.handle_network_dhcp_access(plugin, context, network, action)
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def handle_port_dhcp_access(plugin, context, port, action):
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if plugin.lsn_manager.lsn_exists(context, port['network_id']):
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nsx_svc.handle_port_dhcp_access(plugin, context, port, action)
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else:
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nsx_rpc.handle_port_dhcp_access(plugin, context, port, action)
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def handle_port_metadata_access(plugin, context, port, is_delete=False):
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if plugin.lsn_manager.lsn_exists(context, port['network_id']):
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nsx_svc.handle_port_metadata_access(plugin, context, port, is_delete)
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else:
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nsx_rpc.handle_port_metadata_access(plugin, context, port, is_delete)
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def handle_router_metadata_access(plugin, context, router_id, interface=None):
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if interface:
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subnet = plugin.get_subnet(context, interface['subnet_id'])
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network_id = subnet['network_id']
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if plugin.lsn_manager.lsn_exists(context, network_id):
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nsx_svc.handle_router_metadata_access(
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plugin, context, router_id, interface)
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else:
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nsx_rpc.handle_router_metadata_access(
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plugin, context, router_id, interface)
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else:
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nsx_rpc.handle_router_metadata_access(
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plugin, context, router_id, interface)
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