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Steve Baker 791310ae1e Add VNC console support for the Ironic driver

Ironic is adding support for VNC consoles tracked under the following
spec[1]. This change provides support for the Nova Ironic driver to
access the consoles created by this feature effort.

This supersedes an existing Nova spec[2] to add VNC console support to
the Ironic driver, so this change can be considered to implement this
spec also. This change can be merged independently of the Ironic work,
as the Ironic driver handles the VNC console not being available.

The pre-requesites for a graphical console being available for an Ironic
driver node is:

- Ironic is configured to enable graphical consoles
- The node ``console_interface`` is a graphical driver such as
  ``redfish-graphical`` or ``fake-graphical``
- ``nova-novncproxy`` can make network connections to the VNC servers
  which run adjacent to ``ironic-conductor``

The associated depends on adds the novnc validation check to the
baremetal basic ops, which is run in job
ironic-tempest-ipa-wholedisk-bios-agent_ipmitool-tinyipa.

In the support matrix console.vnc support is set to partial for ironic
due to the current lack of vencrypt support on the ironic side.

[1] https://specs.openstack.org/openstack/ironic-specs/specs/approved/graphical-console.html
[2] https://specs.openstack.org/openstack/nova-specs/specs/2023.1/approved/ironic-vnc-console.html

Related-Bug: 2086715
Implements: blueprint ironic-vnc-console
Change-Id: Iec26c67e29f91954eafc6a5a81086e36798d3f26
Signed-off-by: Steve Baker <sbaker@redhat.com>

2026-01-27 10:06:12 +13:00