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Add OpenBao Monitoring #2419

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Add OpenBao Monitoring #2419

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28 changes: 28 additions & 0 deletions doc/source/configuration/openbao.rst
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Expand Up @@ -221,6 +221,34 @@ cannot be unsealed with an expired certificate.

kayobe playbook run $KAYOBE_CONFIG_PATH/ansible/secret-store/secret-store-unseal-overcloud.yml

Monitoring
----------

OpenBao monitoring is enabled by default when ``stackhpc_ca_secret_store`` is
set to ``openbao``. This adds Prometheus scrape targets for the overcloud
OpenBao instances, and alerting for sealed or unhealthy OpenBao nodes.

Existing deployments must rerun the overcloud secret store deployment playbook
so that the OpenBao configuration exposes the metrics unauthenticated for
Prometheus:

.. code-block:: bash

kayobe playbook run $KAYOBE_CONFIG_PATH/ansible/secret-store/secret-store-deploy-overcloud.yml

Then reconfigure Prometheus and Grafana:

.. code-block:: bash

kayobe overcloud service reconfigure -kt prometheus,grafana

To opt out of OpenBao monitoring (Prometheus targets and alerts) while still
using OpenBao for PKI, set the following in ``stackhpc-monitoring.yml``:

.. code-block:: yaml

stackhpc_enable_openbao_monitoring: false

Certificates generation
=======================

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