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[Rodolfo Alonso <1640956@xxxxxxxxxxxxxxxxxx>]

Bug closed due to lack of activity, please feel free to reopen if
needed.

** Changed in: neutron
       Status: Triaged => Won't Fix

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https://bugs.launchpad.net/bugs/1640956

Title:
  RFE: Extension for improving Nova-Neutron callflow to cache port data

Status in neutron:
  Won't Fix

Bug description:
  Nova requires some data from a Neutron port and its friends to
  populate its port info cache, and ultimately to create the metadata
  constructs that are passed on to VMs to inform them of their addresses
  and routes.  Today, it wanders the datastructures in Neutron, looking
  at ports' subnets, to get this information.

  Instead, https://review.openstack.org/#/c/390513/ proposes that the
  port gain an attribute or attributes containing the required
  information.  This is a companion RFE to detail that an extension is
  required in Neutron to provide those attributes (by doing the DB
  mining locally and returning additional attributes with the data on
  the port object).

  The Nova spec will track the information and ultimately the format of
  the data (since I don't want to copy it into two locations) and the
  Neutron extension, being the simpler part of the problem, will
  implement the returning of this data.  Please check and comment on the
  nova spec for that part of the detail.

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