6d8502fa40
This patch adds a new configuration variable for the timeout on ovs-vsctl commands, and sets the default timeout to 10 seconds. This is aimed at allowing users to tune the agents in order to avoid timeout errors on their deployments. Change-Id: I73ea0d0de49a4b4a118bc2d68ad9c093ea122717 Closes-Bug: #1254520
634 lines
25 KiB
Python
634 lines
25 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2012 OpenStack Foundation
|
|
# 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.
|
|
|
|
import os
|
|
|
|
import eventlet
|
|
import netaddr
|
|
from oslo.config import cfg
|
|
|
|
from neutron.agent.common import config
|
|
from neutron.agent.linux import dhcp
|
|
from neutron.agent.linux import external_process
|
|
from neutron.agent.linux import interface
|
|
from neutron.agent.linux import ovs_lib # noqa
|
|
from neutron.agent import rpc as agent_rpc
|
|
from neutron.common import constants
|
|
from neutron.common import exceptions
|
|
from neutron.common import legacy
|
|
from neutron.common import topics
|
|
from neutron.common import utils
|
|
from neutron import context
|
|
from neutron import manager
|
|
from neutron.openstack.common import importutils
|
|
from neutron.openstack.common import log as logging
|
|
from neutron.openstack.common import loopingcall
|
|
from neutron.openstack.common.rpc import common
|
|
from neutron.openstack.common.rpc import proxy
|
|
from neutron.openstack.common import service
|
|
from neutron import service as neutron_service
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class DhcpAgent(manager.Manager):
|
|
OPTS = [
|
|
cfg.IntOpt('resync_interval', default=5,
|
|
help=_("Interval to resync.")),
|
|
cfg.StrOpt('dhcp_driver',
|
|
default='neutron.agent.linux.dhcp.Dnsmasq',
|
|
help=_("The driver used to manage the DHCP server.")),
|
|
cfg.BoolOpt('use_namespaces', default=True,
|
|
help=_("Allow overlapping IP.")),
|
|
cfg.BoolOpt('enable_isolated_metadata', default=False,
|
|
help=_("Support Metadata requests on isolated networks.")),
|
|
cfg.BoolOpt('enable_metadata_network', default=False,
|
|
help=_("Allows for serving metadata requests from a "
|
|
"dedicated network. Requires "
|
|
"enable_isolated_metadata = True")),
|
|
cfg.IntOpt('num_sync_threads', default=4,
|
|
help=_('Number of threads to use during sync process.')),
|
|
cfg.StrOpt('metadata_proxy_socket',
|
|
default='$state_path/metadata_proxy',
|
|
help=_('Location of Metadata Proxy UNIX domain '
|
|
'socket')),
|
|
]
|
|
|
|
def __init__(self, host=None):
|
|
super(DhcpAgent, self).__init__(host=host)
|
|
self.needs_resync = False
|
|
self.conf = cfg.CONF
|
|
self.cache = NetworkCache()
|
|
self.root_helper = config.get_root_helper(self.conf)
|
|
self.dhcp_driver_cls = importutils.import_class(self.conf.dhcp_driver)
|
|
ctx = context.get_admin_context_without_session()
|
|
self.plugin_rpc = DhcpPluginApi(topics.PLUGIN,
|
|
ctx, self.conf.use_namespaces)
|
|
# create dhcp dir to store dhcp info
|
|
dhcp_dir = os.path.dirname("/%s/dhcp/" % self.conf.state_path)
|
|
if not os.path.isdir(dhcp_dir):
|
|
os.makedirs(dhcp_dir, 0o755)
|
|
self.dhcp_version = self.dhcp_driver_cls.check_version()
|
|
self._populate_networks_cache()
|
|
|
|
def _populate_networks_cache(self):
|
|
"""Populate the networks cache when the DHCP-agent starts."""
|
|
try:
|
|
existing_networks = self.dhcp_driver_cls.existing_dhcp_networks(
|
|
self.conf,
|
|
self.root_helper
|
|
)
|
|
for net_id in existing_networks:
|
|
net = dhcp.NetModel(self.conf.use_namespaces,
|
|
{"id": net_id,
|
|
"subnets": [],
|
|
"ports": []})
|
|
self.cache.put(net)
|
|
except NotImplementedError:
|
|
# just go ahead with an empty networks cache
|
|
LOG.debug(
|
|
_("The '%s' DHCP-driver does not support retrieving of a "
|
|
"list of existing networks"),
|
|
self.conf.dhcp_driver
|
|
)
|
|
|
|
def after_start(self):
|
|
self.run()
|
|
LOG.info(_("DHCP agent started"))
|
|
|
|
def run(self):
|
|
"""Activate the DHCP agent."""
|
|
self.sync_state()
|
|
self.periodic_resync()
|
|
|
|
def call_driver(self, action, network, **action_kwargs):
|
|
"""Invoke an action on a DHCP driver instance."""
|
|
try:
|
|
# the Driver expects something that is duck typed similar to
|
|
# the base models.
|
|
driver = self.dhcp_driver_cls(self.conf,
|
|
network,
|
|
self.root_helper,
|
|
self.dhcp_version,
|
|
self.plugin_rpc)
|
|
|
|
getattr(driver, action)(**action_kwargs)
|
|
return True
|
|
except exceptions.Conflict:
|
|
# No need to resync here, the agent will receive the event related
|
|
# to a status update for the network
|
|
LOG.warning(_('Unable to %(action)s dhcp for %(net_id)s: there is '
|
|
'a conflict with its current state; please check '
|
|
'that the network and/or its subnet(s) still exist.')
|
|
% {'net_id': network.id, 'action': action})
|
|
except Exception as e:
|
|
self.needs_resync = True
|
|
if (isinstance(e, common.RemoteError)
|
|
and e.exc_type == 'NetworkNotFound'
|
|
or isinstance(e, exceptions.NetworkNotFound)):
|
|
LOG.warning(_("Network %s has been deleted."), network.id)
|
|
else:
|
|
LOG.exception(_('Unable to %(action)s dhcp for %(net_id)s.')
|
|
% {'net_id': network.id, 'action': action})
|
|
|
|
@utils.synchronized('dhcp-agent')
|
|
def sync_state(self):
|
|
"""Sync the local DHCP state with Neutron."""
|
|
LOG.info(_('Synchronizing state'))
|
|
pool = eventlet.GreenPool(cfg.CONF.num_sync_threads)
|
|
known_network_ids = set(self.cache.get_network_ids())
|
|
|
|
try:
|
|
active_networks = self.plugin_rpc.get_active_networks_info()
|
|
active_network_ids = set(network.id for network in active_networks)
|
|
for deleted_id in known_network_ids - active_network_ids:
|
|
try:
|
|
self.disable_dhcp_helper(deleted_id)
|
|
except Exception:
|
|
self.needs_resync = True
|
|
LOG.exception(_('Unable to sync network state on deleted '
|
|
'network %s'), deleted_id)
|
|
|
|
for network in active_networks:
|
|
pool.spawn(self.safe_configure_dhcp_for_network, network)
|
|
pool.waitall()
|
|
LOG.info(_('Synchronizing state complete'))
|
|
|
|
except Exception:
|
|
self.needs_resync = True
|
|
LOG.exception(_('Unable to sync network state.'))
|
|
|
|
def _periodic_resync_helper(self):
|
|
"""Resync the dhcp state at the configured interval."""
|
|
while True:
|
|
eventlet.sleep(self.conf.resync_interval)
|
|
if self.needs_resync:
|
|
self.needs_resync = False
|
|
self.sync_state()
|
|
|
|
def periodic_resync(self):
|
|
"""Spawn a thread to periodically resync the dhcp state."""
|
|
eventlet.spawn(self._periodic_resync_helper)
|
|
|
|
def safe_get_network_info(self, network_id):
|
|
try:
|
|
network = self.plugin_rpc.get_network_info(network_id)
|
|
if not network:
|
|
LOG.warn(_('Network %s has been deleted.'), network_id)
|
|
return network
|
|
except Exception:
|
|
self.needs_resync = True
|
|
LOG.exception(_('Network %s info call failed.'), network_id)
|
|
|
|
def enable_dhcp_helper(self, network_id):
|
|
"""Enable DHCP for a network that meets enabling criteria."""
|
|
network = self.safe_get_network_info(network_id)
|
|
if network:
|
|
self.configure_dhcp_for_network(network)
|
|
|
|
def safe_configure_dhcp_for_network(self, network):
|
|
try:
|
|
self.configure_dhcp_for_network(network)
|
|
except (exceptions.NetworkNotFound, RuntimeError):
|
|
LOG.warn(_('Network %s may have been deleted and its resources '
|
|
'may have already been disposed.'), network.id)
|
|
|
|
def configure_dhcp_for_network(self, network):
|
|
if not network.admin_state_up:
|
|
return
|
|
|
|
for subnet in network.subnets:
|
|
if subnet.enable_dhcp:
|
|
if self.call_driver('enable', network):
|
|
if (self.conf.use_namespaces and
|
|
self.conf.enable_isolated_metadata):
|
|
self.enable_isolated_metadata_proxy(network)
|
|
self.cache.put(network)
|
|
break
|
|
|
|
def disable_dhcp_helper(self, network_id):
|
|
"""Disable DHCP for a network known to the agent."""
|
|
network = self.cache.get_network_by_id(network_id)
|
|
if network:
|
|
if (self.conf.use_namespaces and
|
|
self.conf.enable_isolated_metadata):
|
|
self.disable_isolated_metadata_proxy(network)
|
|
if self.call_driver('disable', network):
|
|
self.cache.remove(network)
|
|
|
|
def refresh_dhcp_helper(self, network_id):
|
|
"""Refresh or disable DHCP for a network depending on the current state
|
|
of the network.
|
|
"""
|
|
old_network = self.cache.get_network_by_id(network_id)
|
|
if not old_network:
|
|
# DHCP current not running for network.
|
|
return self.enable_dhcp_helper(network_id)
|
|
|
|
network = self.safe_get_network_info(network_id)
|
|
if not network:
|
|
return
|
|
|
|
old_cidrs = set(s.cidr for s in old_network.subnets if s.enable_dhcp)
|
|
new_cidrs = set(s.cidr for s in network.subnets if s.enable_dhcp)
|
|
|
|
if new_cidrs and old_cidrs == new_cidrs:
|
|
self.call_driver('reload_allocations', network)
|
|
self.cache.put(network)
|
|
elif new_cidrs:
|
|
if self.call_driver('restart', network):
|
|
self.cache.put(network)
|
|
else:
|
|
self.disable_dhcp_helper(network.id)
|
|
|
|
def release_lease_for_removed_ips(self, prev_port, updated_port, network):
|
|
"""Releases the dhcp lease for ips removed from a port."""
|
|
if prev_port:
|
|
previous_ips = set(fixed_ip.ip_address
|
|
for fixed_ip in prev_port.fixed_ips)
|
|
current_ips = set(fixed_ip.ip_address
|
|
for fixed_ip in updated_port.fixed_ips)
|
|
# pass in port with removed ips on it
|
|
removed_ips = previous_ips - current_ips
|
|
if removed_ips:
|
|
self.call_driver('release_lease',
|
|
network,
|
|
mac_address=updated_port.mac_address,
|
|
removed_ips=removed_ips)
|
|
|
|
@utils.synchronized('dhcp-agent')
|
|
def network_create_end(self, context, payload):
|
|
"""Handle the network.create.end notification event."""
|
|
network_id = payload['network']['id']
|
|
self.enable_dhcp_helper(network_id)
|
|
|
|
@utils.synchronized('dhcp-agent')
|
|
def network_update_end(self, context, payload):
|
|
"""Handle the network.update.end notification event."""
|
|
network_id = payload['network']['id']
|
|
if payload['network']['admin_state_up']:
|
|
self.enable_dhcp_helper(network_id)
|
|
else:
|
|
self.disable_dhcp_helper(network_id)
|
|
|
|
@utils.synchronized('dhcp-agent')
|
|
def network_delete_end(self, context, payload):
|
|
"""Handle the network.delete.end notification event."""
|
|
self.disable_dhcp_helper(payload['network_id'])
|
|
|
|
@utils.synchronized('dhcp-agent')
|
|
def subnet_update_end(self, context, payload):
|
|
"""Handle the subnet.update.end notification event."""
|
|
network_id = payload['subnet']['network_id']
|
|
self.refresh_dhcp_helper(network_id)
|
|
|
|
# Use the update handler for the subnet create event.
|
|
subnet_create_end = subnet_update_end
|
|
|
|
@utils.synchronized('dhcp-agent')
|
|
def subnet_delete_end(self, context, payload):
|
|
"""Handle the subnet.delete.end notification event."""
|
|
subnet_id = payload['subnet_id']
|
|
network = self.cache.get_network_by_subnet_id(subnet_id)
|
|
if network:
|
|
self.refresh_dhcp_helper(network.id)
|
|
|
|
@utils.synchronized('dhcp-agent')
|
|
def port_update_end(self, context, payload):
|
|
"""Handle the port.update.end notification event."""
|
|
updated_port = dhcp.DictModel(payload['port'])
|
|
network = self.cache.get_network_by_id(updated_port.network_id)
|
|
if network:
|
|
prev_port = self.cache.get_port_by_id(updated_port.id)
|
|
self.cache.put_port(updated_port)
|
|
self.call_driver('reload_allocations', network)
|
|
self.release_lease_for_removed_ips(prev_port, updated_port,
|
|
network)
|
|
|
|
# Use the update handler for the port create event.
|
|
port_create_end = port_update_end
|
|
|
|
@utils.synchronized('dhcp-agent')
|
|
def port_delete_end(self, context, payload):
|
|
"""Handle the port.delete.end notification event."""
|
|
port = self.cache.get_port_by_id(payload['port_id'])
|
|
if port:
|
|
network = self.cache.get_network_by_id(port.network_id)
|
|
self.cache.remove_port(port)
|
|
self.call_driver('reload_allocations', network)
|
|
removed_ips = [fixed_ip.ip_address
|
|
for fixed_ip in port.fixed_ips]
|
|
self.call_driver('release_lease',
|
|
network,
|
|
mac_address=port.mac_address,
|
|
removed_ips=removed_ips)
|
|
|
|
def enable_isolated_metadata_proxy(self, network):
|
|
|
|
# The proxy might work for either a single network
|
|
# or all the networks connected via a router
|
|
# to the one passed as a parameter
|
|
neutron_lookup_param = '--network_id=%s' % network.id
|
|
meta_cidr = netaddr.IPNetwork(dhcp.METADATA_DEFAULT_CIDR)
|
|
has_metadata_subnet = any(netaddr.IPNetwork(s.cidr) in meta_cidr
|
|
for s in network.subnets)
|
|
if (self.conf.enable_metadata_network and has_metadata_subnet):
|
|
router_ports = [port for port in network.ports
|
|
if (port.device_owner ==
|
|
constants.DEVICE_OWNER_ROUTER_INTF)]
|
|
if router_ports:
|
|
# Multiple router ports should not be allowed
|
|
if len(router_ports) > 1:
|
|
LOG.warning(_("%(port_num)d router ports found on the "
|
|
"metadata access network. Only the port "
|
|
"%(port_id)s, for router %(router_id)s "
|
|
"will be considered"),
|
|
{'port_num': len(router_ports),
|
|
'port_id': router_ports[0].id,
|
|
'router_id': router_ports[0].device_id})
|
|
neutron_lookup_param = ('--router_id=%s' %
|
|
router_ports[0].device_id)
|
|
|
|
def callback(pid_file):
|
|
metadata_proxy_socket = cfg.CONF.metadata_proxy_socket
|
|
proxy_cmd = ['neutron-ns-metadata-proxy',
|
|
'--pid_file=%s' % pid_file,
|
|
'--metadata_proxy_socket=%s' % metadata_proxy_socket,
|
|
neutron_lookup_param,
|
|
'--state_path=%s' % self.conf.state_path,
|
|
'--metadata_port=%d' % dhcp.METADATA_PORT]
|
|
proxy_cmd.extend(config.get_log_args(
|
|
cfg.CONF, 'neutron-ns-metadata-proxy-%s.log' % network.id))
|
|
return proxy_cmd
|
|
|
|
pm = external_process.ProcessManager(
|
|
self.conf,
|
|
network.id,
|
|
self.root_helper,
|
|
network.namespace)
|
|
pm.enable(callback)
|
|
|
|
def disable_isolated_metadata_proxy(self, network):
|
|
pm = external_process.ProcessManager(
|
|
self.conf,
|
|
network.id,
|
|
self.root_helper,
|
|
network.namespace)
|
|
pm.disable()
|
|
|
|
|
|
class DhcpPluginApi(proxy.RpcProxy):
|
|
"""Agent side of the dhcp rpc API.
|
|
|
|
API version history:
|
|
1.0 - Initial version.
|
|
1.1 - Added get_active_networks_info, create_dhcp_port,
|
|
and update_dhcp_port methods.
|
|
|
|
"""
|
|
|
|
BASE_RPC_API_VERSION = '1.1'
|
|
|
|
def __init__(self, topic, context, use_namespaces):
|
|
super(DhcpPluginApi, self).__init__(
|
|
topic=topic, default_version=self.BASE_RPC_API_VERSION)
|
|
self.context = context
|
|
self.host = cfg.CONF.host
|
|
self.use_namespaces = use_namespaces
|
|
|
|
def get_active_networks_info(self):
|
|
"""Make a remote process call to retrieve all network info."""
|
|
networks = self.call(self.context,
|
|
self.make_msg('get_active_networks_info',
|
|
host=self.host),
|
|
topic=self.topic)
|
|
return [dhcp.NetModel(self.use_namespaces, n) for n in networks]
|
|
|
|
def get_network_info(self, network_id):
|
|
"""Make a remote process call to retrieve network info."""
|
|
network = self.call(self.context,
|
|
self.make_msg('get_network_info',
|
|
network_id=network_id,
|
|
host=self.host),
|
|
topic=self.topic)
|
|
if network:
|
|
return dhcp.NetModel(self.use_namespaces, network)
|
|
|
|
def get_dhcp_port(self, network_id, device_id):
|
|
"""Make a remote process call to get the dhcp port."""
|
|
port = self.call(self.context,
|
|
self.make_msg('get_dhcp_port',
|
|
network_id=network_id,
|
|
device_id=device_id,
|
|
host=self.host),
|
|
topic=self.topic)
|
|
if port:
|
|
return dhcp.DictModel(port)
|
|
|
|
def create_dhcp_port(self, port):
|
|
"""Make a remote process call to create the dhcp port."""
|
|
port = self.call(self.context,
|
|
self.make_msg('create_dhcp_port',
|
|
port=port,
|
|
host=self.host),
|
|
topic=self.topic)
|
|
if port:
|
|
return dhcp.DictModel(port)
|
|
|
|
def update_dhcp_port(self, port_id, port):
|
|
"""Make a remote process call to update the dhcp port."""
|
|
port = self.call(self.context,
|
|
self.make_msg('update_dhcp_port',
|
|
port_id=port_id,
|
|
port=port,
|
|
host=self.host),
|
|
topic=self.topic)
|
|
if port:
|
|
return dhcp.DictModel(port)
|
|
|
|
def release_dhcp_port(self, network_id, device_id):
|
|
"""Make a remote process call to release the dhcp port."""
|
|
return self.call(self.context,
|
|
self.make_msg('release_dhcp_port',
|
|
network_id=network_id,
|
|
device_id=device_id,
|
|
host=self.host),
|
|
topic=self.topic)
|
|
|
|
def release_port_fixed_ip(self, network_id, device_id, subnet_id):
|
|
"""Make a remote process call to release a fixed_ip on the port."""
|
|
return self.call(self.context,
|
|
self.make_msg('release_port_fixed_ip',
|
|
network_id=network_id,
|
|
subnet_id=subnet_id,
|
|
device_id=device_id,
|
|
host=self.host),
|
|
topic=self.topic)
|
|
|
|
|
|
class NetworkCache(object):
|
|
"""Agent cache of the current network state."""
|
|
def __init__(self):
|
|
self.cache = {}
|
|
self.subnet_lookup = {}
|
|
self.port_lookup = {}
|
|
|
|
def get_network_ids(self):
|
|
return self.cache.keys()
|
|
|
|
def get_network_by_id(self, network_id):
|
|
return self.cache.get(network_id)
|
|
|
|
def get_network_by_subnet_id(self, subnet_id):
|
|
return self.cache.get(self.subnet_lookup.get(subnet_id))
|
|
|
|
def get_network_by_port_id(self, port_id):
|
|
return self.cache.get(self.port_lookup.get(port_id))
|
|
|
|
def put(self, network):
|
|
if network.id in self.cache:
|
|
self.remove(self.cache[network.id])
|
|
|
|
self.cache[network.id] = network
|
|
|
|
for subnet in network.subnets:
|
|
self.subnet_lookup[subnet.id] = network.id
|
|
|
|
for port in network.ports:
|
|
self.port_lookup[port.id] = network.id
|
|
|
|
def remove(self, network):
|
|
del self.cache[network.id]
|
|
|
|
for subnet in network.subnets:
|
|
del self.subnet_lookup[subnet.id]
|
|
|
|
for port in network.ports:
|
|
del self.port_lookup[port.id]
|
|
|
|
def put_port(self, port):
|
|
network = self.get_network_by_id(port.network_id)
|
|
for index in range(len(network.ports)):
|
|
if network.ports[index].id == port.id:
|
|
network.ports[index] = port
|
|
break
|
|
else:
|
|
network.ports.append(port)
|
|
|
|
self.port_lookup[port.id] = network.id
|
|
|
|
def remove_port(self, port):
|
|
network = self.get_network_by_port_id(port.id)
|
|
|
|
for index in range(len(network.ports)):
|
|
if network.ports[index] == port:
|
|
del network.ports[index]
|
|
del self.port_lookup[port.id]
|
|
break
|
|
|
|
def get_port_by_id(self, port_id):
|
|
network = self.get_network_by_port_id(port_id)
|
|
if network:
|
|
for port in network.ports:
|
|
if port.id == port_id:
|
|
return port
|
|
|
|
def get_state(self):
|
|
net_ids = self.get_network_ids()
|
|
num_nets = len(net_ids)
|
|
num_subnets = 0
|
|
num_ports = 0
|
|
for net_id in net_ids:
|
|
network = self.get_network_by_id(net_id)
|
|
num_subnets += len(network.subnets)
|
|
num_ports += len(network.ports)
|
|
return {'networks': num_nets,
|
|
'subnets': num_subnets,
|
|
'ports': num_ports}
|
|
|
|
|
|
class DhcpAgentWithStateReport(DhcpAgent):
|
|
def __init__(self, host=None):
|
|
super(DhcpAgentWithStateReport, self).__init__(host=host)
|
|
self.state_rpc = agent_rpc.PluginReportStateAPI(topics.PLUGIN)
|
|
self.agent_state = {
|
|
'binary': 'neutron-dhcp-agent',
|
|
'host': host,
|
|
'topic': topics.DHCP_AGENT,
|
|
'configurations': {
|
|
'dhcp_driver': cfg.CONF.dhcp_driver,
|
|
'use_namespaces': cfg.CONF.use_namespaces,
|
|
'dhcp_lease_duration': cfg.CONF.dhcp_lease_duration},
|
|
'start_flag': True,
|
|
'agent_type': constants.AGENT_TYPE_DHCP}
|
|
report_interval = cfg.CONF.AGENT.report_interval
|
|
self.use_call = True
|
|
if report_interval:
|
|
self.heartbeat = loopingcall.FixedIntervalLoopingCall(
|
|
self._report_state)
|
|
self.heartbeat.start(interval=report_interval)
|
|
|
|
def _report_state(self):
|
|
try:
|
|
self.agent_state.get('configurations').update(
|
|
self.cache.get_state())
|
|
ctx = context.get_admin_context_without_session()
|
|
self.state_rpc.report_state(ctx, self.agent_state, self.use_call)
|
|
self.use_call = False
|
|
except AttributeError:
|
|
# This means the server does not support report_state
|
|
LOG.warn(_("Neutron server does not support state report."
|
|
" State report for this agent will be disabled."))
|
|
self.heartbeat.stop()
|
|
self.run()
|
|
return
|
|
except Exception:
|
|
LOG.exception(_("Failed reporting state!"))
|
|
return
|
|
if self.agent_state.pop('start_flag', None):
|
|
self.run()
|
|
|
|
def agent_updated(self, context, payload):
|
|
"""Handle the agent_updated notification event."""
|
|
self.needs_resync = True
|
|
LOG.info(_("agent_updated by server side %s!"), payload)
|
|
|
|
def after_start(self):
|
|
LOG.info(_("DHCP agent started"))
|
|
|
|
|
|
def register_options():
|
|
cfg.CONF.register_opts(DhcpAgent.OPTS)
|
|
config.register_agent_state_opts_helper(cfg.CONF)
|
|
config.register_root_helper(cfg.CONF)
|
|
cfg.CONF.register_opts(dhcp.OPTS)
|
|
cfg.CONF.register_opts(interface.OPTS)
|
|
|
|
|
|
def main():
|
|
eventlet.monkey_patch()
|
|
register_options()
|
|
cfg.CONF(project='neutron')
|
|
config.setup_logging(cfg.CONF)
|
|
legacy.modernize_quantum_config(cfg.CONF)
|
|
server = neutron_service.Service.create(
|
|
binary='neutron-dhcp-agent',
|
|
topic=topics.DHCP_AGENT,
|
|
report_interval=cfg.CONF.AGENT.report_interval,
|
|
manager='neutron.agent.dhcp_agent.DhcpAgentWithStateReport')
|
|
service.launch(server).wait()
|