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[OpenStack Infra <1648098@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/397499
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=6948467b770df68cb96877f3e0e710650ad63fd4
Submitter: Jenkins
Branch:    master

commit 6948467b770df68cb96877f3e0e710650ad63fd4
Author: Kevin Benton <kevin@xxxxxxxxxx>
Date:   Mon Nov 14 19:05:16 2016 -0800

    Add janitor to cleanup orphaned fip ports
    
    This adds a janitor worker to the L3 DB module that
    will run every 5 minutes looking for floating IP ports
    with the device_id of 'PENDING'. If it finds any, it
    will keep track of the port ID to see if any stay in
    'PENDING' with the next iteration.
    
    If the device ID is still PENDING after 5 minutes, it
    means one of two things has happened. Either the server
    died after creating the floating IP port, but before
    creating the floating IP itself; or, it died after creating
    the floating IP port and the floating IP record, but before
    updating the device_id of the floating IP port to the
    floating IP ID.
    
    The janitor handles both cases by deleting the floating IP
    port if it has no associated floating IP and by updating
    the floating IP port device ID if it does have an associated
    floating IP.
    
    Related-Bug: #1540844
    Closes-Bug: #1648098
    Change-Id: I684a822553a5a0c54513ca7d20ccaf3c74180593


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

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https://bugs.launchpad.net/bugs/1648098

Title:
  floating IP creation can now leave orphaned floating IP ports

Status in neutron:
  Fix Released

Bug description:
  Do to changes in the floating IP logic in
  https://review.openstack.org/#/c/396013/ to correct transactional
  behavior for core plugin operations in the L3 code, a floating IP
  creation process can leave orphaned floating IP ports if the server
  dies after the port transaction but before the floating IP
  transaction.

  These ports will not be visible to the tenant since they are on the
  external network. They are identifiable with a device_id of 'PENDING'.

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