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doc/cepham: instructions for custom Grafana TLS certs

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Signed-off-by: Patrick Seidensal <pseidensal@suse.com>
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Patrick Seidensal 2020-10-16 14:19:53 +02:00
parent 99ebc0c458
commit 344c0a69b3
1 changed files with 33 additions and 2 deletions
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35
doc/cephadm/monitoring.rst
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@ -15,7 +15,7 @@ metrics on cluster utilization and performance. Ceph users have three options:
Ceph is running in Kubernetes with Rook).
#. Skip the monitoring stack completely. Some Ceph dashboard graphs will
not be available.
The monitoring stack consists of `Prometheus <https://prometheus.io/>`_,
Prometheus exporters (:ref:`mgr-prometheus`, `Node exporter
<https://prometheus.io/docs/guides/node-exporter/>`_), `Prometheus Alert
@ -93,6 +93,37 @@ completed, you should see something like this from ``ceph orch ls``
node-exporter 2/2 6s ago docker.io/prom/node-exporter:latest e5a616e4b9cf present
prometheus 1/1 6s ago docker.io/prom/prometheus:latest e935122ab143 present
Configuring SSL/TLS for Grafana
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
``cephadm`` will deploy Grafana using the certificate defined in the ceph
key/value store. If a certificate is not specified, ``cephadm`` will generate a
self-signed certificate during deployment of the Grafana service.
A custom certificate can be configured using the following commands.
.. code-block:: bash
ceph config-key set mgr/cephadm/grafana_key -i $PWD/key.pem
ceph config-key set mgr/cephadm/grafana_crt -i $PWD/certificate.pem
The ``cephadm`` manager module needs to be restarted to be able to read updates
to these keys.
.. code-block:: bash
ceph orch restart mgr
If you already deployed Grafana, you need to redeploy the service for the
configuration to be updated.
.. code-block:: bash
ceph orch redeploy grafana
The ``redeploy`` command also takes care of setting the right URL for Ceph
Dashboard.
Using custom images
~~~~~~~~~~~~~~~~~~~
@ -125,7 +156,7 @@ For example
you have set the custom image for automatically. You will need to
manually update the configuration (image name and tag) to be able to
install updates.
If you choose to go with the recommendations instead, you can reset the
custom image you have set before. After that, the default value will be
used again. Use ``ceph config rm`` to reset the configuration option