neutron/neutron/plugins/hyperv/rpc_callbacks.py

99 lines
3.6 KiB
Python

# Copyright 2013 Cloudbase Solutions SRL
# 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.
from neutron.common import constants as q_const
from neutron.common import rpc as n_rpc
from neutron.openstack.common import log as logging
from neutron.plugins.hyperv import db as hyperv_db
LOG = logging.getLogger(__name__)
class HyperVRpcCallbacks(n_rpc.RpcCallback):
# history
# 1.1 Support Security Group RPC
# 1.2 Support get_devices_details_list
RPC_API_VERSION = '1.2'
def __init__(self, notifier):
super(HyperVRpcCallbacks, self).__init__()
self.notifier = notifier
self._db = hyperv_db.HyperVPluginDB()
def get_device_details(self, rpc_context, **kwargs):
"""Agent requests device details."""
agent_id = kwargs.get('agent_id')
device = kwargs.get('device')
LOG.debug(_("Device %(device)s details requested from %(agent_id)s"),
{'device': device, 'agent_id': agent_id})
port = self._db.get_port(device)
if port:
binding = self._db.get_network_binding(None, port['network_id'])
entry = {'device': device,
'network_id': port['network_id'],
'port_id': port['id'],
'admin_state_up': port['admin_state_up'],
'network_type': binding.network_type,
'segmentation_id': binding.segmentation_id,
'physical_network': binding.physical_network}
# Set the port status to UP
self._db.set_port_status(port['id'], q_const.PORT_STATUS_ACTIVE)
else:
entry = {'device': device}
LOG.debug(_("%s can not be found in database"), device)
return entry
def get_devices_details_list(self, rpc_context, **kwargs):
return [
self.get_device_details(
rpc_context,
device=device,
**kwargs
)
for device in kwargs.pop('devices', [])
]
def update_device_down(self, rpc_context, **kwargs):
"""Device no longer exists on agent."""
# TODO(garyk) - live migration and port status
agent_id = kwargs.get('agent_id')
device = kwargs.get('device')
LOG.debug(_("Device %(device)s no longer exists on %(agent_id)s"),
{'device': device, 'agent_id': agent_id})
port = self._db.get_port(device)
if port:
entry = {'device': device,
'exists': True}
# Set port status to DOWN
self._db.set_port_status(port['id'], q_const.PORT_STATUS_DOWN)
else:
entry = {'device': device,
'exists': False}
LOG.debug(_("%s can not be found in database"), device)
return entry
def tunnel_sync(self, rpc_context, **kwargs):
"""Tunnel sync.
Dummy function for ovs agent running on Linux to
work with Hyper-V plugin and agent.
"""
entry = dict()
entry['tunnels'] = {}
# Return the list of tunnels IP's to the agent
return entry