Build Elasticsearch Visualizations in Tableau Cloud


Use CData Connect Cloud to connect to live Elasticsearch data and build visualizations in Tableau Cloud.

Tableau Cloud is an analytics platform fully hosted in the cloud. When paired with CData Connect Cloud, you get instant, cloud-to-cloud access to Elasticsearch data for visualizations, dashboards, and more. This article shows how to connect to Elasticsearch and build visualizations from Elasticsearch data in Tableau Cloud.

CData Connect Cloud provides a pure cloud-to-cloud interface for Elasticsearch, allowing you to easily build visualizations from live Elasticsearch data in Tableau Cloud without installing connectors or publishing worksheets and data sources from Tableau Desktop. As you build visualizations, Tableau Cloud generates SQL queries to gather data. Using optimized data processing out of the box, CData Connect Cloud pushes all supported SQL operations (filters, JOINs, etc) directly to Elasticsearch, leveraging server-side processing to quickly return Elasticsearch data.

About Elasticsearch Data Integration

Accessing and integrating live data from Elasticsearch has never been easier with CData. Customers rely on CData connectivity to:

  • Access both the SQL endpoints and REST endpoints, optimizing connectivity and offering more options when it comes to reading and writing Elasticsearch data.
  • Connect to virtually every Elasticsearch instance starting with v2.2 and Open Source Elasticsearch subscriptions.
  • Always receive a relevance score for the query results without explicitly requiring the SCORE() function, simplifying access from 3rd party tools and easily seeing how the query results rank in text relevance.
  • Search through multiple indices, relying on Elasticsearch to manage and process the query and results instead of the client machine.

Users frequently integrate Elasticsearch data with analytics tools such as Crystal Reports, Power BI, and Excel, and leverage our tools to enable a single, federated access layer to all of their data sources, including Elasticsearch.

For more information on CData's Elasticsearch solutions, check out our Knowledge Base article: CData Elasticsearch Driver Features & Differentiators.


Getting Started


Configure Elasticsearch Connectivity for Tableau Cloud

To work with Elasticsearch data from Tableau Cloud, we need to connect to Elasticsearch from Connect Cloud, provide user access to the connection, and create a Workspace for the Elasticsearch data.

Connect to Elasticsearch from Connect Cloud

CData Connect Cloud uses a straightforward, point-and-click interface to connect to data sources.

  1. Log into Connect Cloud, click Sources, and then click Add Connection
  2. Select "Elasticsearch" from the Add Connection panel
  3. Enter the necessary authentication properties to connect to Elasticsearch.

    Set the Server and Port connection properties to connect. To authenticate, set the User and Password properties, PKI (public key infrastructure) properties, or both. To use PKI, set the SSLClientCert, SSLClientCertType, SSLClientCertSubject, and SSLClientCertPassword properties.

    The data provider uses X-Pack Security for TLS/SSL and authentication. To connect over TLS/SSL, prefix the Server value with 'https://'. Note: TLS/SSL and client authentication must be enabled on X-Pack to use PKI.

    Once the data provider is connected, X-Pack will then perform user authentication and grant role permissions based on the realms you have configured.

  4. Click Create & Test
  5. Navigate to the Permissions tab in the Add Elasticsearch Connection page and update the User-based permissions.

Add a Personal Access Token

When connecting to Connect Cloud through the REST API, the OData API, or the Virtual SQL Server, a Personal Access Token (PAT) is used to authenticate the connection to Connect Cloud. It is best practice to create a separate PAT for each service to maintain granularity of access.

  1. Click on the Gear icon () at the top right of the Connect Cloud app to open the settings page.
  2. On the Settings page, go to the Access Tokens section and click Create PAT.
  3. Give the PAT a name and click Create.
  4. The personal access token is only visible at creation, so be sure to copy it and store it securely for future use.

Configure Elasticsearch Endpoints for Tableau Cloud

After connecting to Elasticsearch, create a workspace for your desired table(s).

  1. Navigate to the Workspaces page and click Add to create a new Workspace (or select an existing workspace).
  2. Click Add to add new assets to the Workspace.
  3. Select the Elasticsearch connection (e.g. Elasticsearch1) and click Next.
  4. Select the table(s) you wish to work with and click Confirm.
  5. Make note of the OData Service URL for your workspace, e.g. https://cloud.cdata.com/api/odata/{workspace_name}

With the connection, PAT, and Workspace configured, you are ready to connect to Elasticsearch data from Tableau Cloud.

Visualize Live Elasticsearch Data in Tableau Cloud

The steps below outline creating a new data source in Tableau Cloud based on the virtual Elasticsearch database in Connect Cloud and building a simple visualization from the data.

  1. Log into Tableau Cloud, select a account, and create a new workbook.
  2. In the new workbook, choose the OData Connector from the data wizard and fill in the values for your Connect Cloud instance.
    • Set Server to the OData URL for your Workspace, e.g. https://cloud.cdata.com/api/odata/{workspace_name}
    • Set Authentication to Username and Password
    • Set Username to your Connect Cloud username (e.g. [email protected])
    • Set Password to a PAT for the above user
  3. Select your newly created database and the table(s) you wish to visualize (defining relationships for JOINad tables as needed).
  4. Select Dimensions and Measures and configure your visualization.

Real-Time Access to Elasticsearch Data from Cloud Applications

At this point, you have a direct, cloud-to-cloud connection to live Elasticsearch data from your Tableau Cloud workbook. You can create new visualizations, build dashboards, and more, with no need to publish data sources and workbooks from Tableau Desktop. For more information on gaining live access to data from more than 100 SaaS, Big Data, and NoSQL sources from cloud applications like Tableau Cloud, refer to our Connect Cloud page.

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