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[Bence Romsics <bence.romsics@xxxxxxxxx>]

Public bug reported:

As discussed in an openstack-disciss thread [1] we could improve the
extraroute API to better support Neutron API clients, especially Heat.

The problem is that the current extraroute API does not allow atomic
additions/deletions of particular routing table entries. In the current
API the routes attribute of a router (containing all routing table
entries) must be updated at once. Therefore additions and deletions
must be performed on the client side. Therefore multiple clients race
to update the routes attribute and updates may get lost.

A detailed spec is coming soon.

[1] http://lists.openstack.org/pipermail/openstack-
discuss/2019-April/005121.html1

** Affects: neutron
     Importance: Undecided
     Assignee: Bence Romsics (bence-romsics)
         Status: New


** Tags: rfe

** Summary changed:

- Add atomic extraroute API
+ Atomic Extraroute API

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https://bugs.launchpad.net/bugs/1826396

Title:
  Atomic Extraroute API

Status in neutron:
  New

Bug description:
  As discussed in an openstack-disciss thread [1] we could improve the
  extraroute API to better support Neutron API clients, especially Heat.

  The problem is that the current extraroute API does not allow atomic
  additions/deletions of particular routing table entries. In the current
  API the routes attribute of a router (containing all routing table
  entries) must be updated at once. Therefore additions and deletions
  must be performed on the client side. Therefore multiple clients race
  to update the routes attribute and updates may get lost.

  A detailed spec is coming soon.

  [1] http://lists.openstack.org/pipermail/openstack-
  discuss/2019-April/005121.html1

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