def _agent_notification(self, context, method, routers):
"""Notify l3 metering agents hosted by l3 agent hosts."""
adminContext = context if context.is_admin else context.elevated()
plugin = manager.NeutronManager.get_service_plugins().get(
service_constants.L3_ROUTER_NAT)
l3_routers = {}
state = agentschedulers_db.get_admin_state_up_filter()
for router in routers:
l3_agents = plugin.get_l3_agents_hosting_routers(
adminContext, [router['id']],
admin_state_up=state,
active=True)
for l3_agent in l3_agents:
LOG.debug('Notify metering agent at %(topic)s.%(host)s '
'the message %(method)s',
{'topic': self.topic,
'host': l3_agent.host,
'method': method})
l3_router = l3_routers.get(l3_agent.host, [])
l3_router.append(router)
l3_routers[l3_agent.host] = l3_router
for host, routers in l3_routers.iteritems():
cctxt = self.client.prepare(server=host)
cctxt.cast(context, method, routers=routers)
def _agent_notification_arp(self, context, method, router_id,
operation, data):
"""Notify arp details to l3 agents hosting router."""
if not router_id:
return
adminContext = (context.is_admin and
context or context.elevated())
plugin = manager.NeutronManager.get_service_plugins().get(
service_constants.L3_ROUTER_NAT)
state = agentschedulers_db.get_admin_state_up_filter()
l3_agents = (plugin.
get_l3_agents_hosting_routers(adminContext,
[router_id],
admin_state_up=state,
active=True))
# TODO(murali): replace cast with fanout to avoid performance
# issues at greater scale.
for l3_agent in l3_agents:
log_topic = '%s.%s' % (l3_agent.topic, l3_agent.host)
LOG.debug('Casting message %(method)s with topic %(topic)s',
{'topic': log_topic, 'method': method})
dvr_arptable = {'router_id': router_id,
'arp_table': data}
cctxt = self.client.prepare(topic=l3_agent.topic,
server=l3_agent.host,
version='1.2')
cctxt.cast(context, method, payload=dvr_arptable)
def get_hosts_to_notify(self, context, router_id):
"""Returns all hosts to send notification about router update"""
state = agentschedulers_db.get_admin_state_up_filter()
agents = self.get_l3_agents_hosting_routers(context, [router_id],
admin_state_up=state,
active=True)
return [a.host for a in agents]
def _agent_notification(self, context, method, routers):
"""Notify l3 metering agents hosted by l3 agent hosts."""
adminContext = context if context.is_admin else context.elevated()
plugin = directory.get_plugin(plugin_constants.L3)
l3_routers = {}
state = agentschedulers_db.get_admin_state_up_filter()
for router in routers:
l3_agents = plugin.get_l3_agents_hosting_routers(
adminContext, [router['id']],
admin_state_up=state,
active=True)
for l3_agent in l3_agents:
LOG.debug('Notify metering agent at %(topic)s.%(host)s '
'the message %(method)s',
{'topic': self.topic,
'host': l3_agent.host,
'method': method})
l3_router = l3_routers.get(l3_agent.host, [])
l3_router.append(router)
l3_routers[l3_agent.host] = l3_router
for host, routers in l3_routers.items():
cctxt = self.client.prepare(server=host)
cctxt.cast(context, method, routers=routers)
def _agent_notification_arp(self, context, method, router_id,
operation, data):
"""Notify arp details to l3 agents hosting router."""
if not router_id:
return
adminContext = (context.is_admin and
context or context.elevated())
plugin = manager.NeutronManager.get_service_plugins().get(
service_constants.L3_ROUTER_NAT)
state = agentschedulers_db.get_admin_state_up_filter()
l3_agents = (plugin.
get_l3_agents_hosting_routers(adminContext,
[router_id],
admin_state_up=state,
active=True))
# TODO(murali): replace cast with fanout to avoid performance
# issues at greater scale.
for l3_agent in l3_agents:
log_topic = '%s.%s' % (l3_agent.topic, l3_agent.host)
LOG.debug('Casting message %(method)s with topic %(topic)s',
{'topic': log_topic, 'method': method})
dvr_arptable = {'router_id': router_id,
'arp_table': data}
cctxt = self.client.prepare(topic=l3_agent.topic,
server=l3_agent.host,
version='1.2')
cctxt.cast(context, method, payload=dvr_arptable)
def get_hosts_to_notify(self, context, router_id):
"""Returns all hosts to send notification about router update"""
hosts = super(L3_DVRsch_db_mixin, self).get_hosts_to_notify(
context, router_id)
router = self.get_router(context, router_id)
if router.get('distributed', False):
dvr_hosts = self._get_dvr_hosts_for_router(context, router_id)
dvr_hosts = set(dvr_hosts) - set(hosts)
state = agentschedulers_db.get_admin_state_up_filter()
agents = self.get_l3_agents(context, active=state,
filters={'host': dvr_hosts})
hosts += [a.host for a in agents]
return hosts
def get_hosts_to_notify(self, context, router_id):
"""Returns all hosts to send notification about router update"""
hosts = super(L3_DVRsch_db_mixin, self).get_hosts_to_notify(
context, router_id)
router = self.get_router(context, router_id)
if router.get('distributed', False):
dvr_hosts = self._get_dvr_hosts_for_router(context, router_id)
dvr_hosts = set(dvr_hosts) - set(hosts)
state = agentschedulers_db.get_admin_state_up_filter()
agents = self.get_l3_agents(context, active=state,
filters={'host': dvr_hosts})
hosts += [a.host for a in agents]
return hosts
def _agent_notification(self, context, method, router_ids, operation, shuffle_agents):
"""Notify changed routers to hosting l3 agents."""
adminContext = context if context.is_admin else context.elevated()
plugin = manager.NeutronManager.get_service_plugins().get(service_constants.L3_ROUTER_NAT)
state = agentschedulers_db.get_admin_state_up_filter()
for router_id in router_ids:
l3_agents = plugin.get_l3_agents_hosting_routers(
adminContext, [router_id], admin_state_up=state, active=True
)
if shuffle_agents:
random.shuffle(l3_agents)
for l3_agent in l3_agents:
LOG.debug(
"Notify agent at %(topic)s.%(host)s the message " "%(method)s",
{"topic": l3_agent.topic, "host": l3_agent.host, "method": method},
)
cctxt = self.client.prepare(topic=l3_agent.topic, server=l3_agent.host, version="1.1")
cctxt.cast(context, method, routers=[router_id])
def _agent_notification(self, context, method, router_ids, operation,
shuffle_agents):
"""Notify changed routers to hosting l3 agents."""
adminContext = context if context.is_admin else context.elevated()
plugin = manager.NeutronManager.get_service_plugins().get(
service_constants.L3_ROUTER_NAT)
state = agentschedulers_db.get_admin_state_up_filter()
for router_id in router_ids:
l3_agents = plugin.get_l3_agents_hosting_routers(
adminContext, [router_id],
admin_state_up=state,
active=True)
if shuffle_agents:
random.shuffle(l3_agents)
for l3_agent in l3_agents:
LOG.debug('Notify agent at %(topic)s.%(host)s the message '
'%(method)s',
{'topic': l3_agent.topic,
'host': l3_agent.host,
'method': method})
cctxt = self.client.prepare(topic=l3_agent.topic,
server=l3_agent.host,
version='1.1')
cctxt.cast(context, method, routers=[router_id])
def get_dvr_snat_agent_list(self, context):
agent_filters = {'agent_modes': [n_const.L3_AGENT_MODE_DVR_SNAT]}
state = agentschedulers_db.get_admin_state_up_filter()
return self.get_l3_agents(context, active=state,
filters=agent_filters)
def get_dvr_snat_agent_list(self, context):
agent_filters = {'agent_modes': [n_const.L3_AGENT_MODE_DVR_SNAT]}
state = agentschedulers_db.get_admin_state_up_filter()
return self.get_l3_agents(context, active=state,
filters=agent_filters)
def get_hosts_to_notify(self, context, router_id):
"""Returns all hosts to send notification about router update"""
state = agentschedulers_db.get_admin_state_up_filter()
agents = self.get_l3_agents_hosting_routers(
context, [router_id], admin_state_up=state, active=True)
return [a.host for a in agents]
