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[Bug 2078518] Re: neutron designate scenario job failing with new RBAC

 

Reviewed:  https://review.opendev.org/c/openstack/designate/+/927792
Committed: https://opendev.org/openstack/designate/commit/4388f00d267c4090b7de6bc94da9e2970abdf0cc
Submitter: "Zuul (22348)"
Branch:    master

commit 4388f00d267c4090b7de6bc94da9e2970abdf0cc
Author: Slawek Kaplonski <skaplons@xxxxxxxxxx>
Date:   Tue Sep 3 10:49:04 2024 +0200

    Add "admin" role to the designate user created by devstack plugin
    
    Service user with name "designate" had only "service" role up to now but
    it seems that with oslo.policy 4.4.0 where "enforce_new_defaults" is set
    to True by default, this breaks integration between Neutron and
    Designate as e.g. Neutron's creation of the recordset fails with
    Forbidden exception as this seems to be allowed only for admin user or
    shared or primary zone.
    
    This patch adds also "admin" role for this "designate" service user to
    workaround that issue, at least until Designate will support "service"
    role usage with Secure RBAC policies.
    
    Closes-Bug: #2078518
    Change-Id: I477cc96519e7396a614f92d109867222207ec388


** Changed in: designate
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/2078518

Title:
  neutron designate scenario job failing with new RBAC

Status in Designate:
  Fix Released
Status in neutron:
  Invalid

Bug description:
  Oslo.policy 4.4.0 enabled the new RBAC defaults by default, which does
  not change any config on the neutron side because neutron already
  enabled the new defaults, but it enabled the designated new RBAC. That
  is causing the neutron-tempest-plugin-designate-scenario job failing.

  It is failing here
  - https://review.opendev.org/c/openstack/neutron/+/926085

  And this is a debugging change
  - https://review.opendev.org/c/openstack/neutron/+/926945/7

  I see from the log that the admin designate client is getting the
  error. If you see the below log, its designate_admin is getting an
  error while creating the recordset in the designate

  Aug 09 19:08:30.539307 np0038166723 neutron-server[86674]: ERROR
  neutron_lib.callbacks.manager
  designate_admin.recordsets.create(in_addr_zone_name,

  https://zuul.opendev.org/t/openstack/build/7a18c093d50242ebbea666d92c671945/log/controller/logs/screen-
  q-svc.txt#7665

  https://github.com/openstack/neutron/blob/b847d89ac1f922362945ad610c9787bc28f37457/neutron/services/externaldns/drivers/designate/driver.py#L92

  which is caused by the GET Zone returning 403 in designateclient

  https://zuul.opendev.org/t/openstack/build/7a18c093d50242ebbea666d92c671945/log/controller/logs/screen-q-svc.txt#7674
  I compared the designate Zone RBAC default if any change in that causing it:

  Old policy: admin or owner
  New policy: admin or project reader

  https://github.com/openstack/designate/blob/50f686fcffd007506e0cd88788a668d4f57febc3/designate/common/policies/zone.py
  Only difference in policy is if it is not admin then it check role also member and reader needs only have access. But here neutron try to access with admin role only.

  I tried to query designate with "'all_projects': True" in admin
  designate client request but still it fail

  https://zuul.opendev.org/t/openstack/build/25be97774e3a4d72a39eb6b2d2bed4a0/log/controller/logs/screen-
  q-svc.txt#7716

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