---
title: Charmhub | Deploy OpenSearch using Charmhub - The Open Operator Collection
description: Deploy the latest version of OpenSearch on any cloud.
url: https://charmhub.io/opensearch/libraries/helper_cos
---

# OpenSearch

[Canonical](https://charmhub.io/publisher/data-platform "View all packages from Canonical")

* [Canonical](https://charmhub.io/publisher/data-platform "View all packages from Canonical")
* [Databases](https://charmhub.io/?filter=databases)

Platform:

24.04

22.04

2/stable 344

```
juju deploy opensearch --channel 2/stable
```

[Learn to deploy on juju >](https://juju.is/docs/juju/manage-applications)

[Toggle side navigation](https://charmhub.io/opensearch/libraries/helper_cos#drawer)

## charms.opensearch.v0.helper\_cos

* [*Docstrings*Docstrings](https://charmhub.io/opensearch/libraries/helper_cos)
  [*Code*Source code](https://charmhub.io/opensearch/libraries/helper_cos/source-code)
* + Download

    Fetch library

    ```
    charmcraft fetch-lib charms.opensearch.v0.helper_cos
    ```

    [Download helper\_cos.py](https://charmhub.io/opensearch/libraries/helper_cos/download)
  + *Last updated* 05 Mar 2025
  + *Revision* Library version 0.1

Utility functions for charms COS operations.

---

Index

* [def update\_grafana\_dashboards\_title(
  charm
  )](https://charmhub.io/opensearch/libraries/helper_cos#update_grafana_dashboards_title)

#### def update\_grafana\_dashboards\_title(charm)

Description

Update the title of the Grafana dashboard file to include the charm revision. None