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[Bug 2097580] [NEW] VM with vTPM goes to error state when hypervisor host reboot

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Nilesh <2097580@xxxxxxxxxxxxxxxxxx>
Date: Fri, 07 Feb 2025 03:55:36 -0000
Reply-to: Bug 2097580 <2097580@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
Public bug reported:

VM created with vTPM, and barbican configured on nova, also resume_guests_state_on_host_boot = True configured so VM will start when hypervisor host reboot.
But once host reboot VM with vTPM goes in error state.  using antelope version for nova
Nova logs show it not able to get barbican client as keystone auth fails.

2025-02-04 08:22:55.318 DEBUG stevedore.extension [req-0e379fc0-7762-4298-8bf3-72be3c7272a4 None None] found extension EntryPoint(name='barbican', value='castellan.key_manager.barbican_key_manager:BarbicanKeyManager', group='castellan.drivers') from (pid=1760) _load_plugins /opt/venv/lib/python3.9/site-packages/stevedore/extension.py:204
2025-02-04 08:22:55.320 DEBUG stevedore.extension [req-0e379fc0-7762-4298-8bf3-72be3c7272a4 None None] found extension EntryPoint(name='vault', value='castellan.key_manager.vault_key_manager:VaultKeyManager', group='castellan.drivers') from (pid=1760) _load_plugins /opt/venv/lib/python3.9/site-packages/stevedore/extension.py:204
2025-02-04 08:22:55.321 ERROR castellan.key_manager.barbican_key_manager [req-0e379fc0-7762-4298-8bf3-72be3c7272a4 None None] Error creating Barbican client: The service catalog is empty.: keystoneauth1.exceptions.catalog.EmptyCatalog: The service catalog is empty.
2025-02-04 08:22:55.322 ERROR nova.virt.libvirt.driver [req-0e379fc0-7762-4298-8bf3-72be3c7272a4 None None] [instance: 2b0cc465-8bb4-4da2-8438-7662f60d9808] Failed to start libvirt guest: castellan.common.exception.KeyManagerError: Key manager error: The service catalog is empty.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2097580

Title:
  VM with vTPM goes to error state when hypervisor host reboot

Status in OpenStack Compute (nova):
  New

Bug description:
  VM created with vTPM, and barbican configured on nova, also resume_guests_state_on_host_boot = True configured so VM will start when hypervisor host reboot.
  But once host reboot VM with vTPM goes in error state.  using antelope version for nova
  Nova logs show it not able to get barbican client as keystone auth fails.

  2025-02-04 08:22:55.318 DEBUG stevedore.extension [req-0e379fc0-7762-4298-8bf3-72be3c7272a4 None None] found extension EntryPoint(name='barbican', value='castellan.key_manager.barbican_key_manager:BarbicanKeyManager', group='castellan.drivers') from (pid=1760) _load_plugins /opt/venv/lib/python3.9/site-packages/stevedore/extension.py:204
  2025-02-04 08:22:55.320 DEBUG stevedore.extension [req-0e379fc0-7762-4298-8bf3-72be3c7272a4 None None] found extension EntryPoint(name='vault', value='castellan.key_manager.vault_key_manager:VaultKeyManager', group='castellan.drivers') from (pid=1760) _load_plugins /opt/venv/lib/python3.9/site-packages/stevedore/extension.py:204
  2025-02-04 08:22:55.321 ERROR castellan.key_manager.barbican_key_manager [req-0e379fc0-7762-4298-8bf3-72be3c7272a4 None None] Error creating Barbican client: The service catalog is empty.: keystoneauth1.exceptions.catalog.EmptyCatalog: The service catalog is empty.
  2025-02-04 08:22:55.322 ERROR nova.virt.libvirt.driver [req-0e379fc0-7762-4298-8bf3-72be3c7272a4 None None] [instance: 2b0cc465-8bb4-4da2-8438-7662f60d9808] Failed to start libvirt guest: castellan.common.exception.KeyManagerError: Key manager error: The service catalog is empty.

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