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Add tip on staged SSL certificate installation #54

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Add tip on staged SSL certificate installation #54

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14 changes: 12 additions & 2 deletions source/operations_and_monitoring.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -173,8 +173,10 @@ reach the |project_name| OpenStack APIs:

openstack# openssl s_client -connect |public_endpoint_fqdn|:443 2> /dev/null | openssl x509 -noout -dates

*NOTE*: Prometheus Blackbox monitoring can check certificates automatically
and alert when expiry is approaching.
.. note::

Prometheus Blackbox monitoring can check certificates automatically
and alert when expiry is approaching.

To update an existing certificate, for example when it has reached expiration,
change the value of ``secrets_kolla_external_tls_cert``, in the same order as
Expand All @@ -184,6 +186,14 @@ above. Run the following command:

kayobe# kayobe overcloud service reconfigure --kolla-tags haproxy

.. note::

Test the installation of an updated certificate by running
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Does this work on a backup HAProxy? If so should we recommend using one?

the reconfigure command with a ``--kolla-limit`` of one of the hosts
where HAProxy is deployed. This will detect if the certificate is
not validated by HAProxy, without stopping HAProxy services on all
hosts.

.. _taking-a-hypervisor-out-of-service:

Taking a Hypervisor out of Service
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