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[Oleg Bondarev <obondarev@xxxxxxxxxxxx>]

Public bug reported:

Following traceback says nothing about actual exception and makes it
hard to debug issues:

2016-02-10 05:26:54.025 682 ERROR neutron.agent.l3.router_info [-] L3 agent failure to setup floating IPs
2016-02-10 05:26:54.025 682 TRACE neutron.agent.l3.router_info Traceback (most recent call last):
2016-02-10 05:26:54.025 682 TRACE neutron.agent.l3.router_info File "/usr/lib/python2.7/dist-packages/neutron/agent/l3/router_info.py", line 604, in process_external
2016-02-10 05:26:54.025 682 TRACE neutron.agent.l3.router_info fip_statuses = self.configure_fip_addresses(interface_name)
2016-02-10 05:26:54.025 682 TRACE neutron.agent.l3.router_info File "/usr/lib/python2.7/dist-packages/neutron/agent/l3/router_info.py", line 268, in configure_fip_addresses
2016-02-10 05:26:54.025 682 TRACE neutron.agent.l3.router_info raise n_exc.FloatingIpSetupException('L3 agent failure to setup '
2016-02-10 05:26:54.025 682 TRACE neutron.agent.l3.router_info FloatingIpSetupException: L3 agent failure to setup floating IPs

Need to log actual exception with traceback before reraising.

** Affects: neutron
     Importance: Low
     Assignee: Oleg Bondarev (obondarev)
         Status: New


** Tags: l3-ipam-dhcp

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https://bugs.launchpad.net/bugs/1545695

Title:
  L3 agent: traceback is suppressed on floating ip setup failure

Status in neutron:
  New

Bug description:
  Following traceback says nothing about actual exception and makes it
  hard to debug issues:

  2016-02-10 05:26:54.025 682 ERROR neutron.agent.l3.router_info [-] L3 agent failure to setup floating IPs
  2016-02-10 05:26:54.025 682 TRACE neutron.agent.l3.router_info Traceback (most recent call last):
  2016-02-10 05:26:54.025 682 TRACE neutron.agent.l3.router_info File "/usr/lib/python2.7/dist-packages/neutron/agent/l3/router_info.py", line 604, in process_external
  2016-02-10 05:26:54.025 682 TRACE neutron.agent.l3.router_info fip_statuses = self.configure_fip_addresses(interface_name)
  2016-02-10 05:26:54.025 682 TRACE neutron.agent.l3.router_info File "/usr/lib/python2.7/dist-packages/neutron/agent/l3/router_info.py", line 268, in configure_fip_addresses
  2016-02-10 05:26:54.025 682 TRACE neutron.agent.l3.router_info raise n_exc.FloatingIpSetupException('L3 agent failure to setup '
  2016-02-10 05:26:54.025 682 TRACE neutron.agent.l3.router_info FloatingIpSetupException: L3 agent failure to setup floating IPs

  Need to log actual exception with traceback before reraising.

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