def add_router_to_l3_agent(self, context, id, router_id):
"""Add a l3 agent to host a router."""
router = self.get_router(context, router_id)
with context.session.begin(subtransactions=True):
agent_db = self._get_agent(context, id)
if (agent_db['agent_type'] != constants.AGENT_TYPE_L3 or
not agent_db['admin_state_up'] or
not self.get_l3_agent_candidates(router, [agent_db])):
raise l3agentscheduler.InvalidL3Agent(id=id)
query = context.session.query(RouterL3AgentBinding)
try:
binding = query.filter(
RouterL3AgentBinding.l3_agent_id == agent_db.id,
RouterL3AgentBinding.router_id == router_id).one()
if binding:
raise l3agentscheduler.RouterHostedByL3Agent(
router_id=router_id, agent_id=id)
except exc.NoResultFound:
pass
result = self.auto_schedule_routers(context,
agent_db.host,
[router_id])
if not result:
raise l3agentscheduler.RouterSchedulingFailed(
router_id=router_id, agent_id=id)
l3_notifier = self.agent_notifiers.get(constants.AGENT_TYPE_L3)
if l3_notifier:
l3_notifier.router_added_to_agent(
context, [router_id], agent_db.host)
def create_router_to_agent_binding(self, context, agent, router):
"""Create router to agent binding."""
router_id = router['id']
agent_id = agent['id']
if self.router_scheduler:
try:
self.router_scheduler.bind_router(context, router_id, agent)
except db_exc.DBError:
raise l3agentscheduler.RouterSchedulingFailed(
router_id=router_id, agent_id=agent_id)
def create_router_to_agent_binding(self, context, agent, router):
"""Create router to agent binding."""
router_id = router['id']
agent_id = agent['id']
if router['external_gateway_info'] and self.router_scheduler and (
router.get('distributed')):
try:
self.bind_snat_router(context, router_id, agent)
self.bind_dvr_router_servicenode(context, router_id, agent)
except db_exc.DBError:
raise l3agentscheduler.RouterSchedulingFailed(
router_id=router_id, agent_id=agent_id)
else:
super(L3_DVRsch_db_mixin,
self).create_router_to_agent_binding(context, agent, router)
def add_router_to_l3_agent(self, context, agent_id, router_id):
"""Add a l3 agent to host a router."""
router = self.get_router(context, router_id)
distributed = router.get('distributed')
with context.session.begin(subtransactions=True):
agent_db = self._get_agent(context, agent_id)
agent_conf = self.get_configuration_dict(agent_db)
agent_mode = agent_conf.get('agent_mode', 'legacy')
if (not distributed and agent_mode == 'dvr'
or distributed and agent_mode == 'legacy'):
router_type = ('distributed' if distributed else 'centralized')
raise l3agentscheduler.RouterL3AgentMismatch(
router_type=router_type,
router_id=router_id,
agent_mode=agent_mode,
agent_id=agent_id)
if (agent_db['agent_type'] != constants.AGENT_TYPE_L3
or not agent_db['admin_state_up']
or not self.get_l3_agent_candidates(
context, router, [agent_db])):
raise l3agentscheduler.InvalidL3Agent(id=agent_id)
query = context.session.query(RouterL3AgentBinding)
if distributed:
binding = query.filter_by(router_id=router_id,
l3_agent_id=agent_id).first()
if binding:
raise l3agentscheduler.RouterHostedByL3Agent(
router_id=router_id, agent_id=binding.l3_agent_id)
else:
try:
binding = query.filter_by(router_id=router_id).one()
raise l3agentscheduler.RouterHostedByL3Agent(
router_id=router_id, agent_id=binding.l3_agent_id)
except exc.NoResultFound:
pass
result = self.auto_schedule_routers(context, agent_db.host,
[router_id])
if not result:
raise l3agentscheduler.RouterSchedulingFailed(
router_id=router_id, agent_id=agent_id)
l3_notifier = self.agent_notifiers.get(constants.AGENT_TYPE_L3)
if l3_notifier:
l3_notifier.router_added_to_agent(context, [router_id],
agent_db.host)
def create_router_to_agent_binding(self, context, agent, router):
"""Create router to agent binding."""
router_id = router['id']
agent_id = agent['id']
if self.router_scheduler:
try:
if router.get('ha'):
plugin = manager.NeutronManager.get_service_plugins().get(
service_constants.L3_ROUTER_NAT)
self.router_scheduler.create_ha_port_and_bind(
plugin, context, router['id'], router['tenant_id'],
agent)
else:
self.router_scheduler.bind_router(context, router_id,
agent)
except db_exc.DBError:
raise l3agentscheduler.RouterSchedulingFailed(
router_id=router_id, agent_id=agent_id)
def create_router_to_agent_binding(self, context, agent, router):
"""Create router to agent binding."""
router_id = router['id']
agent_id = agent['id']
if self.router_scheduler:
plugin = directory.get_plugin(constants.L3)
try:
if router.get('ha'):
self.router_scheduler.create_ha_port_and_bind(
plugin, context, router['id'],
router['tenant_id'], agent,
is_manual_scheduling=True)
else:
self.router_scheduler.bind_router(
plugin, context, router_id, agent.id)
except db_exc.DBError:
raise l3agentscheduler.RouterSchedulingFailed(
router_id=router_id, agent_id=agent_id)
