openstack/skyline-apiserver
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docs: add FAQ in README.rst

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Closes-Bug: #2049807
Change-Id: I9beb1c1e7ba2d8c0378d4eabe8dbd05ffeb06c69
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Wenxiang Wu 2024-01-23 14:13:45 +08:00 committed by Wu Wenxiang
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README.rst
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@ -227,3 +227,38 @@ Kolla Ansible Deployment
.. |image0| image:: doc/source/images/logo/OpenStack_Project_Skyline_horizontal.png
.. |image1| image:: doc/source/images/logo/nine-color-deer-64.png
FAQ
---
1. Policy
Q: Why common user could login, but could list the nova servers?
`Bug #2049807 <https://bugs.launchpad.net/skyline-apiserver/+bug/2049807>`_
::
Symptom:
-----------------------------------
1. Login Horizon with common user A, list servers OK.
2. Login Skyline with same common user A, could list the nova servers, F12 show no http requests sent from network, however webpage show 401, do not allow to list servers
Root Cause Analysis:
-----------------------------------
1. Horizon don't know whether a user could do an action at a resource or not. It simply pass request to recording service, & service (Nova) do the check by its policy file. So it works.
2. Skyline check the action by itself, with /policy API. If you do not configure it, the default value follows community, like: https://docs.openstack.org/nova/2023.2/configuration/sample-policy.html
How to fix:
-----------------------------------
1. By default, list servers need "project_reader_api": "role:reader and project_id:%(project_id)s"
2. You should config your customized role, for example: member, _member_, projectAdmin, etc, create implied reader role. "openstack implied role create --implied-role member projectAdmin", or "openstack implied role create --implied-role reader _member_"
# openstack implied role list
+----------------------------------+-----------------+----------------------------------+-------------------+
| Prior Role ID | Prior Role Name | Implied Role ID | Implied Role Name |
+----------------------------------+-----------------+----------------------------------+-------------------+
| fe21c5a0d17149c2a7b02bf39154d110 | admin | 4376fc38ba6a44e794671af0a9c60ef5 | member |
| 4376fc38ba6a44e794671af0a9c60ef5 | member | e081e01b7a4345bc85f8d3210b95362d | reader |
| bee8fa36149e434ebb69b61d12113031 | projectAdmin | 4376fc38ba6a44e794671af0a9c60ef5 | member |
| 77cec9fc7e764bd4bf60581869c048de | _member_ | e081e01b7a4345bc85f8d3210b95362d | reader |
+----------------------------------+-----------------+----------------------------------+-------------------+