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Update CloudKitty docs to use OpenSearch #1832

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Aug 12, 2025
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Update CloudKitty docs to use OpenSearch #1832

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9 changes: 2 additions & 7 deletions doc/source/configuration/cloudkitty.rst
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Expand Up @@ -22,18 +22,13 @@ storage backend. Set the following in ``kolla.yml``:
kolla_enable_influxdb: false

Set Prometheus as the backend for both the collector and fetcher, and
Elasticsearch as the storage backend. Note that our fork of CloudKitty is
patched so that the CloudKitty Elasticsearch V2 storage backend will also work
with an OpenSearch cluster. Proper support for the V2 OpenSearch storage
backend is still pending in Kolla-Ansible `here
<https://review.opendev.org/c/openstack/kolla-ansible/+/898555>`__. Set the
following in ``kolla/globals.yml``:
OpenSearch as the storage backend. Set the following in ``kolla/globals.yml``:

.. code-block:: yaml

cloudkitty_collector_backend: prometheus
cloudkitty_fetcher_backend: prometheus
cloudkitty_storage_backend: elasticsearch
cloudkitty_storage_backend: opensearch

The default collection period is one hour, which is likely too long for most
systems as CloudKitty charges by the **entire** collection period if any usage
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