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[Matthew Edmonds <edmondsw@xxxxxxxxxx>]

Public bug reported:

An optional (defaults to None) host argument was added to the
get_device_details RPC method a long time ago [1] but a recent change
[2] to the master branch has made that no longer really optional, at
least for the pvm_sea agent from openstack/networking-powervm, since not
passing it will cause VIF plugging to timeout with an error in the
neutron logs stating "Device %s has no active binding in host None".

This can easily be fixed in openstack/networking-powervm by passing the
host argument, but I expect that neutron also needs to bump the version
for neutron.plugins.ml2.rpc.RpcCallbacks to reflect that host is no
longer optional by removing the "=None" default (since it doesn't work
anymore).

[1] f7064f2b6c6ba1d0ab5f9872b2d5ad7969a64e7b
[2] 01bdb47199468805b714ce4c00c7492951267585

** Affects: networking-powervm
     Importance: Undecided
         Status: New

** Affects: neutron
     Importance: Undecided
         Status: New

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

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https://bugs.launchpad.net/bugs/1784950

Title:
  get_device_details RPC fails if host not specified

Status in networking-powervm:
  New
Status in neutron:
  New

Bug description:
  An optional (defaults to None) host argument was added to the
  get_device_details RPC method a long time ago [1] but a recent change
  [2] to the master branch has made that no longer really optional, at
  least for the pvm_sea agent from openstack/networking-powervm, since
  not passing it will cause VIF plugging to timeout with an error in the
  neutron logs stating "Device %s has no active binding in host None".

  This can easily be fixed in openstack/networking-powervm by passing
  the host argument, but I expect that neutron also needs to bump the
  version for neutron.plugins.ml2.rpc.RpcCallbacks to reflect that host
  is no longer optional by removing the "=None" default (since it
  doesn't work anymore).

  [1] f7064f2b6c6ba1d0ab5f9872b2d5ad7969a64e7b
  [2] 01bdb47199468805b714ce4c00c7492951267585

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