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[Kevin Benton <1618216@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

The RPC handler to create a port is catching DBError's before the retry
decorator gets a chance to retry them. This ends up being treated like a
broken network to the agent so the network will not have any DHCP
service, leading to difficult to debug failures like this one:

http://logs.openstack.org/82/346282/4/check/gate-tempest-dsvm-neutron-
full-ubuntu-xenial/d4ea1f6/console.html

** Affects: neutron
     Importance: Undecided
     Assignee: Kevin Benton (kevinbenton)
         Status: In Progress

** Changed in: neutron
     Assignee: (unassigned) => Kevin Benton (kevinbenton)

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https://bugs.launchpad.net/bugs/1618216

Title:
  dhcp agent RPC handler doesn't retry DBError

Status in neutron:
  In Progress

Bug description:
  The RPC handler to create a port is catching DBError's before the
  retry decorator gets a chance to retry them. This ends up being
  treated like a broken network to the agent so the network will not
  have any DHCP service, leading to difficult to debug failures like
  this one:

  http://logs.openstack.org/82/346282/4/check/gate-tempest-dsvm-neutron-
  full-ubuntu-xenial/d4ea1f6/console.html

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