PCI IRQ affinity agent fails to list all instances

[Heitor Matsui]

Brief Description
-----------------
The agent is supposed to set PCI IRQ affinity settings for all instances with dedicated CPUs, but is unable to list instances from all projects.

Severity
--------
Major

Steps to Reproduce
------------------
- Boot an instance with dedicated CPUs and PCI passthrough in a project other than admin
- Observe the agent log not being updated every minute with audit information

Expected Behavior
------------------
Log should show audit information like ("Instance=%s use dedicated cpu policy!!!" % instance.uuid)

Actual Behavior
----------------
Not is not updated with audit information for the instance

Reproducibility
---------------
Reproducible

System Configuration
--------------------
Any

Branch/Pull Time/Commit
-----------------------
master

Last Pass
---------
None

Timestamp/Logs
--------------
Instances are booted on OpenStack with project different from admin:
[sysadmin@controller-0 instances(keystone_admin)]$ openstack server list --a
+--------------------------------------+------------------+--------+--------------------------------------------------------------------------------------+-------+-------------------+
| ID | Name | Status | Networks | Image | Flavor |
+--------------------------------------+------------------+--------+--------------------------------------------------------------------------------------+-------+-------------------+
| 92e6cc84-7f08-41ba-8b9e-f45f7d6f66fb | tenant1-vswitch1 | ACTIVE | tenant1-mgmt-net=192.168.86.37; tenant1-net0=172.16.0.1; tenant2-net0=172.18.0.1 | | medium.dpdk.node0 |
| 0badf437-fe3a-4448-a4d0-a6569fc93748 | tenant1-virtio1 | ACTIVE | tenant1-mgmt-net=192.168.86.57; tenant1-net0=172.16.0.218; tenant2-net0=172.18.0.232 | | small.node0 |
+--------------------------------------+------------------+--------+--------------------------------------------------------------------------------------+-------+-------------------+

Interactive python CLI troubleshooting - novaClient list() method returns an empty list:
>>> from nova_provider import novaClient as nc
>>> nova = nc.get_nova()
>>> nova.flavors.list()
[<Flavor: medium.dpdk.node0>, <Flavor: medium.dpdk>, <Flavor: large.dpdk>, <Flavor: medium>, <Flavor: small>, <Flavor: medium.dpdk.node1>, <Flavor: small.node1>, <Flavor: medium.node1>, <Flavor: large.dpdk.node1>, <Flavor: medium.node0>, <Flavor: small.node0>, <Flavor: large.dpdk.node0>]
>>> nova.servers.list()
[]
>>> nova.servers.get('92e6cc84-7f08-41ba-8b9e-f45f7d6f66fb')
<Server: tenant1-vswitch1>

Test Activity
-------------
Feature Testing

Workaround
----------
None

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/c/starlingx/utilities/+/817475

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.opendev.org/c/starlingx/utilities/+/817475
Committed: https://opendev.org/starlingx/utilities/commit/765d873a57abf09b440b53f76d8ef48e3994bf8a
Submitter: "Zuul (22348)"
Branch: master

commit 765d873a57abf09b440b53f76d8ef48e3994bf8a
Author: Heitor Matsui <email address hidden>
Date: Wed Nov 10 17:35:24 2021 -0300

    Fix instance listing on audit

    The query used to get instances from Nova was unable to get all
    active instances from all project because was lacking a search
    option (all_tenants), and this commit fix this.

    Closes-bug: 1950387
    Change-Id: I1a89d11eb159cfc992ba462c04b2d4c5eafedf91
    Signed-off-by: Heitor Matsui <email address hidden>