[Bug 1526116] [NEW] Seeing race condition between update_port and delete_port on lbaas vip port when lbaas_listener delete and loadbalancer_delete is called back to back

[Divya ChanneGowda]

Public bug reported:

As lb and lb listener db entry is deleted before the driver.listener.delete is completed.
When listener_delete and loadbalancer_delete is triggered repeatedly,
before update_port triggered by listener_delete is finished, loadbalancer_delete triggers delete_port.  And when update_port is resumed, tries to fetch port and fails as port is already deleted.

** Affects: neutron-lbaas (Ubuntu)
     Importance: Undecided
     Assignee: Divya ChanneGowda (divya-hc)
         Status: New

** Changed in: neutron-lbaas (Ubuntu)
     Assignee: (unassigned) => Divya ChanneGowda (divya-hc)

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https://bugs.launchpad.net/bugs/1526116

Title:
  Seeing race condition between update_port and delete_port on lbaas vip
  port when lbaas_listener delete and loadbalancer_delete is called back
  to back

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