[Bug 1917475] Re: RBAC Permissions too strict for Port_Binding table

[Brian Murray]

Hello Liam, or anyone else affected,

Accepted ovn into hirsute-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/ovn/20.12.0-0ubuntu3
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
hirsute to verification-done-hirsute. If it does not fix the bug for
you, please add a comment stating that, and change the tag to
verification-failed-hirsute. In either case, without details of your
testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: ovn (Ubuntu Hirsute)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-hirsute

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https://bugs.launchpad.net/bugs/1917475

Title:
  RBAC Permissions too strict for Port_Binding table

Status in Ubuntu Cloud Archive:
  Fix Committed
Status in Ubuntu Cloud Archive wallaby series:
  New
Status in ovn package in Ubuntu:
  Fix Released
Status in ovn source package in Focal:
  Fix Released
Status in ovn source package in Groovy:
  Fix Released
Status in ovn source package in Hirsute:
  Fix Committed
Status in ovn source package in Impish:
  Fix Released

Bug description:
  [Impact]
  The OpenStack Octavia service will not work after upgrade to Hirsute.

  [Test Plan]
  Execute the gate tests for the octavia charm, which performs a full cloud deployment and confirms successful creation and operation of load balancer.

  [Regression Potential]
  The patch has already been available in the upstream branch-20.12 and has been released in our Focal packages as part of the 20.03.2 point release update for some time.

  [Original Bug Description]
  When using Openstack Ussuri with OVN 20.03 and adding a floating IP address to a unbound port the ovn-controller on the hypervisor repeatedly reports:

  2021-03-02T10:33:35.517Z|35359|ovsdb_idl|WARN|transaction error: {"details":"RBAC rules for client \"juju-eab186-zaza-d26c8c079cc7-11.project.serverstack\" role \"ovn-controller\" prohibit modification of table \"Port_Binding\".","error":"permission error"}
  2021-03-02T10:33:35.518Z|35360|main|INFO|OVNSB commit failed, force recompute next time.

  The seams to be because the ovn-controller needs to update the
  virtual_parent attribute of the port binding *2 but that is not
  included in the list of permissions allowed by the ovn-controller role
  *1

  *1 https://github.com/ovn-org/ovn/blob/aa8ef5588c119fa8615d78288a7db7e3df2d6fbe/northd/ovn-northd.c#L11331-L11332
  *2 https://pastebin.ubuntu.com/p/4CfcxgDgdm/

  Disabling rbac by changing the role to "" and stopping and starting
  the southbound db listener results in the port being immediately
  updated and the floating IP can be accessed.

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