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Reviewed:  https://review.openstack.org/280194
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=3188b458fd29bbd7711277bc337c0dacbaab4b9e
Submitter: Jenkins
Branch:    master

commit 3188b458fd29bbd7711277bc337c0dacbaab4b9e
Author: Oleg Bondarev <obondarev@xxxxxxxxxxxx>
Date:   Mon Feb 15 15:39:59 2016 +0300

    L3 agent: log traceback on floating ip setup failure
    
    Currently l3 agent suppresses exception traceback and just
    raises new FloatingIpSetupException so it's impossible to see
    actual issue from logs.
    The patch adds LOG.exception() to the exception handler before
    reraising.
    
    Closes-Bug: #1545695
    Change-Id: Ia4557473c7e362f98a564475527b97ee6d0178f9


** Changed in: neutron
       Status: In Progress => Fix Released

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

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

Status in neutron:
  Fix Released

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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