kayobe/releasenotes/notes/update-deploy-kernel-6943f3...

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---
upgrade:
- |
Adds an introspection rule to update the location of the deployment kernel
registered in existing Ironic nodes. Nodes discovered on a deployment
running the Train release or earlier may still be using the ``ipa.vmlinuz``
kernel, which stays unchanged when deployment images get updated. If only
default introspection rules are in use, existing nodes may be updated from
the Bifrost container with the following command:
``OS_CLOUD=bifrost baremetal introspection reprocess $NODE_UUID_OR_NAME``
If non-default rules are used, reprocessing may revert any customisation
done by the operator. In this case, a more cautious approach is to update
the deployment kernel location manually:
``OS_CLOUD=bifrost baremetal node set --driver-info deploy_kernel=<http://url/to/ipa.kernel> $NODE_UUID_OR_NAME``
If the ``kolla_bifrost_inspector_rules`` list is customised, the rule
``inspector_rule_legacy_deploy_kernel`` should be added to it.