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[Bug 1510653] Re: delete_subnet is not called in IPAM driver on subnet deallocation if ML2 plugin is used

 

** Also affects: networking-infoblox
   Importance: Undecided
       Status: New

** Changed in: networking-infoblox
       Status: New => In Progress

** Changed in: networking-infoblox
   Importance: Undecided => High

** Changed in: networking-infoblox
     Assignee: (unassigned) => Pavel Bondar (pasha117)

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https://bugs.launchpad.net/bugs/1510653

Title:
  delete_subnet is not called in IPAM driver on subnet deallocation if
  ML2 plugin is used

Status in networking-infoblox:
  In Progress
Status in neutron:
  In Progress

Bug description:
  ML2 plugin redefines [1] delete_subnet from db_base_plugin_v2,
  but it does call to delete_subnet from pluggable IPAM implementation.

  Subnets are correctly deleted from Horizon UI, but call to third-party IPAM provider is not done,
  so subnets persist on IPAM provider.

  [1]
  https://github.com/openstack/neutron/blob/master/neutron/plugins/ml2/plugin.py#L880

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