[Bug 1877797] Re: Neutron remote security group does not work in UCA Rocky and Stein - fixed upstream

Łukasz Zemczak 1877797 at bugs.launchpad.net
Mon May 11 08:07:33 UTC 2020


Could we maybe get the reproduction steps from bug LP: #1862703 copied
over to the bug description for readability? Anyway, accepted, I like
that this fix comes with an unit test as well.

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https://bugs.launchpad.net/bugs/1877797

Title:
  Neutron remote security group does not work in UCA Rocky and Stein -
  fixed upstream

Status in Ubuntu Cloud Archive:
  Fix Released
Status in Ubuntu Cloud Archive rocky series:
  Fix Committed
Status in Ubuntu Cloud Archive stein series:
  Confirmed
Status in Ubuntu Cloud Archive train series:
  Confirmed
Status in Ubuntu Cloud Archive ussuri series:
  Fix Released
Status in neutron package in Ubuntu:
  Fix Released
Status in neutron source package in Eoan:
  Fix Committed
Status in neutron source package in Focal:
  Fix Released
Status in neutron source package in Groovy:
  Fix Released

Bug description:
  [Impact]
  OpenStack deployments using the OVS firewall driver are broken when remote security groups are used due to a regression caused by bug 1854131.

  [Test Case]
  Deploy OpenStack (using charms)
  Follow reproduction steps as detailed in bug 1862703

  [Regression Potential]
  Low - the fix is upstream across multiple releases and resolves a previous regression in functionality.

  [Original Bug Report]
  Remote security groups are broken in the UCA Rocky and Stein versions of Neutron.

  The broken patch was introduced in LP #1854131 and fixed in LP
  #1862703.

  The relevant fixed has landed in Neutron 13.0.7 for Rocky¹.

  The relevant fixed landed in Neutron 14.1.0-37 for Stein²,
  alternatively the specific fix is available here:

  https://github.com/openstack/neutron/commit/4193c6ca0e0165a2bcc7a11eee775df15019e755

  The Queens version of Neutron currently in UCA (12.1.0) doesn't appear
  to have the bad patch from #1854131 in it.

  We ran into this while upgrading a customer cloud and it caused
  several hours of VM connectivity downtime while we diagnosed it.
  Please upgrade Neutron in the Ubuntu Cloud Archive to have this fix
  available for at least Rocky and Stein.

  I realise Rocky is no longer supported, but given that the supported
  upgrade path from Queens is via Rocky, I think it needs fixed there
  too.

  ¹ https://docs.openstack.org/releasenotes/neutron/rocky.html
  ² https://docs.openstack.org/releasenotes/neutron/stein.html

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