** Changed in: neutron
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1515209
Title:
HA router can't associate an external network without gateway ip
Status in neutron:
Fix Released
Bug description:
When associate a HA router with an external network without gateway
ip, I will get the following error:
2015-11-11 03:23:44.599 ERROR neutron.agent.l3.agent [-] Failed to process
compatible router '8114b0c3-85e6-4b71-ab74-a0c1437882cd'
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent Traceback (most recent
call last):
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 503, in
_process_router_update
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent
self._process_router_if_compatible(router)
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 444, in
_process_router_if_compatible
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent
self._process_added_router(router)
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 452, in
_process_added_router
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent ri.process(self)
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/ha_router.py", line 387, in process
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent super(HaRouter,
self).process(agent)
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/common/utils.py", line 366, in call
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent self.logger(e)
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 197, in __exit__
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent
six.reraise(self.type_, self.value, self.tb)
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/common/utils.py", line 363, in call
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent return func(*args,
**kwargs)
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/router_info.py", line 694, in process
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent
self.process_external(agent)
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/router_info.py", line 660, in
process_external
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent
self._process_external_gateway(ex_gw_port, agent.pd)
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/router_info.py", line 569, in
_process_external_gateway
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent
self.external_gateway_added(ex_gw_port, interface_name)
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/ha_router.py", line 356, in
external_gateway_added
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent
self._add_gateway_vip(ex_gw_port, interface_name)
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/ha_router.py", line 249, in
_add_gateway_vip
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent
self._add_default_gw_virtual_route(ex_gw_port, interface_name)
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/ha_router.py", line 205, in
_add_default_gw_virtual_route
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent
instance.virtual_routes.gateway_routes = default_gw_rts
2015-11-11 03:23:44.599 TRACE neutron.agent.l3.agent UnboundLocalError: local
variable 'instance' referenced before assignment
For HA router, the default gw route should only be added when there is any
gateway ip present.
https://github.com/openstack/neutron/blob/master/neutron/agent/l3/ha_router.py#L248
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