d7493a223f
Most of this code will probably stay with us for quite some time, so let's make things easier and consider them as our way of doing RPC. blueprint oslo-messaging Change-Id: Iaf353b23f9c54b82d1e02a6bd5a5960cec827c88
118 lines
4.8 KiB
Python
118 lines
4.8 KiB
Python
# Copyright 2013 Mellanox Technologies, Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo.config import cfg
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from neutron.common import constants as q_const
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from neutron.common import rpc as n_rpc
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from neutron.db import api as db_api
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from neutron.db import dhcp_rpc_base
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from neutron.db import l3_rpc_base
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from neutron.db import securitygroups_rpc_base as sg_db_rpc
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from neutron.openstack.common import log as logging
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from neutron.plugins.mlnx.db import mlnx_db_v2 as db
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LOG = logging.getLogger(__name__)
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class MlnxRpcCallbacks(n_rpc.RpcCallback,
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dhcp_rpc_base.DhcpRpcCallbackMixin,
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l3_rpc_base.L3RpcCallbackMixin,
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sg_db_rpc.SecurityGroupServerRpcCallbackMixin):
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# History
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# 1.1 Support Security Group RPC
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RPC_API_VERSION = '1.1'
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#to be compatible with Linux Bridge Agent on Network Node
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TAP_PREFIX_LEN = 3
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@classmethod
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def get_port_from_device(cls, device):
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"""Get port according to device.
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To maintain compatibility with Linux Bridge L2 Agent for DHCP/L3
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services get device either by linux bridge plugin
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device name convention or by mac address
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"""
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port = db.get_port_from_device(device[cls.TAP_PREFIX_LEN:])
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if port:
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port['device'] = device
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else:
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port = db.get_port_from_device_mac(device)
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if port:
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port['device'] = device
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return port
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def get_device_details(self, rpc_context, **kwargs):
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"""Agent requests device details."""
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agent_id = kwargs.get('agent_id')
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device = kwargs.get('device')
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LOG.debug(_("Device %(device)s details requested from %(agent_id)s"),
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{'device': device, 'agent_id': agent_id})
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port = self.get_port_from_device(device)
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if port:
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binding = db.get_network_binding(db_api.get_session(),
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port['network_id'])
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entry = {'device': device,
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'physical_network': binding.physical_network,
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'network_type': binding.network_type,
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'segmentation_id': binding.segmentation_id,
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'network_id': port['network_id'],
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'port_mac': port['mac_address'],
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'port_id': port['id'],
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'admin_state_up': port['admin_state_up']}
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if cfg.CONF.AGENT.rpc_support_old_agents:
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entry['vlan_id'] = binding.segmentation_id
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new_status = (q_const.PORT_STATUS_ACTIVE if port['admin_state_up']
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else q_const.PORT_STATUS_DOWN)
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if port['status'] != new_status:
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db.set_port_status(port['id'], new_status)
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else:
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entry = {'device': device}
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LOG.debug(_("%s can not be found in database"), device)
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return entry
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def update_device_down(self, rpc_context, **kwargs):
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"""Device no longer exists on agent."""
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agent_id = kwargs.get('agent_id')
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device = kwargs.get('device')
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LOG.debug(_("Device %(device)s no longer exists on %(agent_id)s"),
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{'device': device, 'agent_id': agent_id})
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port = self.get_port_from_device(device)
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if port:
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entry = {'device': device,
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'exists': True}
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if port['status'] != q_const.PORT_STATUS_DOWN:
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# Set port status to DOWN
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db.set_port_status(port['id'], q_const.PORT_STATUS_DOWN)
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else:
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entry = {'device': device,
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'exists': False}
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LOG.debug(_("%s can not be found in database"), device)
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return entry
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def update_device_up(self, rpc_context, **kwargs):
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"""Device is up on agent."""
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agent_id = kwargs.get('agent_id')
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device = kwargs.get('device')
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LOG.debug(_("Device %(device)s up %(agent_id)s"),
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{'device': device, 'agent_id': agent_id})
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port = self.get_port_from_device(device)
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if port:
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if port['status'] != q_const.PORT_STATUS_ACTIVE:
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# Set port status to ACTIVE
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db.set_port_status(port['id'], q_const.PORT_STATUS_ACTIVE)
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else:
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LOG.debug(_("%s can not be found in database"), device)
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