Grafana variables

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Rate your experience required. Comments required. Navigate to the dashboard you want to make a variable for and click the Dashboard settings gear icon at the top of the page. Query variables enable you to write a data source query that can return a list of metric names, tag values, or keys. For example, a query variable might return a list of server names, sensor IDs, or data centers.

Grafana variables

Variables are used to parameterize a scene. They are placeholders for a value that can be used in queries, panel titles, and even custom scene objects. Learn more about Grafana template variables in the official Grafana documentation. Start with a variable definition. The datasource used in the preceding code block refers to the core Grafana Prometheus data source plugin. Make sure your Grafana stack has this plugin installed and configured. The query property is the same one that you would see in typical dashboard template variables when you view the dashboard JSON in the dashboard settings. Use the controls property of EmbeddedScene to show variable value pickers on top of the scene:. Create SceneQueryRunner , which will query the Prometheus data source and use the configured variable in the query:. Learn more about Grafana's variable syntax in the official Grafana documentation. To show the results of the query using the handler variable, add a time series visualization to the scene using the VizPanel class:. Change the variable value using the selector on top of the scene to see updated data in your visualization. The variables system supports a variety of built-in macros, which are variable expressions that can be used without the need to include any additional variables.

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Rate your experience required. Comments required. The variables page lets you easily identify whether a variable is being referenced or used in other variables or dashboard. In addition, you can also add and manage variables on this page. Any variable that is referenced or used has a green check mark next to it, while unreferenced variables have a orange caution icon next to them. In addition, all referenced variables have a dependency icon next to the green check mark. You can click on the icon to view the dependency map.

Rate your experience required. Comments required. Server-side expressions enable you to manipulate data returned from queries with math and other operations. Expressions create new data and do not manipulate the data returned by data sources. Server-side expressions allow you to manipulate data returned from queries with math and other operations. Expressions create new data and do not manipulate the data returned by data sources, aside from some minor data restructuring to make the data acceptable input for expressions. Expressions are most commonly used for Grafana Alerting. The processing is done server-side, so expressions can operate without a browser session. However, expressions can also be used with backend data sources and visualization. Expressions are meant to augment data sources by enabling queries from different data sources to be combined or by providing operations unavailable in a data source.

Grafana variables

I am am trying to figure out to create a variable that contains the value of another variable. Why am I doing this? I have one dashboard that is presently supporting 4 api and are part of a collection.

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Keycloak OAuth2. User management Server user management Assign or remove Grafana server administrator privileges. Each application has a different subset of servers. Send a support bundle to support. Grafana refers to such variables as template variables. Alert instances. Recorded queries. Add a custom variable. Get started with Grafana and Prometheus. The dashboard stops at two levels, but you could keep going. Configure contact points Configure contact point integrations Webhook notifier. Something like value1,value2,value3.

Hello there, I have the same problem as yours. However, I read the official documentation of value mapping and it says that value mapping accepts variables, which is pretty confusing. Have you figured out this problem?

Manage silences. Grafana CLI. RHEL or Fedora. Panels and visualizations Visualizations Time series. Related documentation. Timescale Vector Docs. Angular support deprecation Plugins using AngularJS. Get started with Grafana and InfluxDB. Alerting on numeric data. Troubleshoot queries. Service Graph and Service Graph view. The following sections explain the linked examples in the dashboards above in depth and builds on them. What's new in Grafana v9. Add permissions.