Add support for custom grafana dashboards

Allow users to import custom grafana dashboards.
Dashboards as JSON files should be placed into
"{{ node_custom_config }}/grafana/dashboards/" folder.

Change-Id: Id0f83b8d08541b3b74649f097b10c9450201b426

2 files changed, 47 insertions, 0 deletions

diff --git a/doc/source/reference/logging-and-monitoring/grafana-guide.rst b/doc/source/reference/logging-and-monitoring/grafana-guide.rst
new file mode 100644
index 000000000..a60536c6a
--- /dev/null
+++ b/doc/source/reference/logging-and-monitoring/grafana-guide.rst
@@ -0,0 +1,46 @@
+.. _grafana-guide:
+
+=======
+Grafana
+=======
+
+Overview
+~~~~~~~~
+
+`Grafana <https://grafana.com>`_ is open and composable observability and
+data visualization platform. Visualize metrics, logs, and traces from
+multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB,
+Postgres and many more..
+
+Preparation and deployment
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To enable Grafana, modify the configuration file ``/etc/kolla/globals.yml``
+and change the following:
+
+.. code-block:: yaml
+
+   enable_grafana: "yes"
+
+If you would like to set up Prometheus as a data source additionally set:
+
+.. code-block:: yaml
+
+   enable_prometheus: "yes"
+
+Please follow :doc:`Prometheus Guide <prometheus-guide>` for more information
+
+Custom Dashboards Provisioning
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Kolla Ansible sets Custom Dashboards Provisioning using `Dashboard provider <https://grafana.com/docs/grafana/latest/administration/provisioning/#dashboards>`_.
+
+Dashboard's JSON files should be placed into
+``{{ node_custom_config }}/grafana/dashboards/`` folder.
+Dashboards will be imported to Grafana dashboards General Folder.
+
+Grafana provisioner config can be altered by placing ``provisioning.yaml`` to
+``{{ node_custom_config }}/grafana/`` folder.
+
+For other settings follow configuration reference:
+`Dashboard provider configuration <https://grafana.com/docs/grafana/latest/administration/provisioning/#dashboards>`_.
diff --git a/doc/source/reference/logging-and-monitoring/index.rst b/doc/source/reference/logging-and-monitoring/index.rst
index 4aa730c2b..7c164728e 100644
--- a/doc/source/reference/logging-and-monitoring/index.rst
+++ b/doc/source/reference/logging-and-monitoring/index.rst
@@ -9,6 +9,7 @@ logging and monitoring services available in kolla.
    :maxdepth: 1
 
    central-logging-guide
+   grafana-guide
    influxdb-guide
    kafka-guide
    monasca-guide