Grafana saves the query model whenever one of the text fields loses focus (onBlur), and then it previews the values returned by metricFindQuery. The second argument to onChange allows you to set a text representation of the query that will appear next to the name of the variable in the variables list. Create a VariableSupport class that extends CustomVariableSupport: ... That's it! You can now try out the plugin by adding a query variable to your dashboard.

Input Box: Support for text input variables with custom validation. Responsive Design: Adapts seamlessly to different screen sizes and panel dimensions. Theming: Fully compatible with Grafana's light and dark themes.

January 16, 2021 - Hi everyone, First of all, thank you so much for the hard work on Grafana, the platform is awesome. I’m using Grafana 7.3.6 and I’m building a datasource plugin with a backend. My plugin looks as follow: export const plugin = new DataSourcePlugin (DataSource) .setConfigEditor(ConfigEditor) .setQueryEditor(QueryEditor) .setVariableQueryEditor(VariablesEditor); What I’m trying to achieve is to use the dashboard variables in the query editor.

Learn how to unify, correlate, and visualize data with dashboards using Grafana. ... No results. ... Like panels, you can have your own CSV/JSON in your variable. Variable queries are expected to return one or more columns.

August 21, 2017 - My dashboard has a couple of variables, what is the best way to expose the variable values within a plugin?

Environment variables pull from the system where Grafana runs (for example, operating system or device settings). Dashboards can’t read them directly by default. To use them, add a data source that exposes environment variables to Grafana.

The Grafana Crash Course discusses three types of variables. ... Create another variable that relates to the first variable. Use the Business Input Data Source and set the variable type to Query with the Code editor.

Grafana documentation and the application typically refer to a template query as a query, but the terms variable and template variable are often used interchangeably. By default, variable values are synced to the URL using query parameter syntax, var-<varname>=value. For example:

January 11, 2023 - We included the quotes within the logfile_list variable, and · No quotes are used with the * wildcard (ex. forlogfile=*) For general information on Grafana variables see the Grafana documentation

Start with a variable definition. The following code creates a variable that retrieves all handler label values for the prometheus_http_requests_total metric from the Prometheus data source: ... The datasource used in the preceding code block refers to the core Grafana Prometheus data source plugin.

Formats single- and multi-valued variables into their query parameter representation. Example: var-foo=value1&var-foo=value2

October 31, 2024 - Using ${VariableName} displayed as exactly that, ${VariableName} when I expect the value to be displayed. Below is an example from my test panel: " style="width: 100%; max-width: 400px; height: auto; display: block...

You can use multi-value variables in queries. The Splunk plugin interpolates variables differently depending on usage context. In the following examples, assume there’s a variable $container with selected values foo and bar:

April 9, 2019 - Hi, I am developing a plugin, It makes extensive use of a free form text variable which can be frequently modified by the user. At the moment, I found no better way than implement this input field as a template variable. https://grafana.com/docs/reference/templating/ Question.1] Are there other ...

August 3, 2021 - Hello, I have question about grafana panel plugin, becouse i am trying figure out, In simple editor I have some input fields, how can i pass variable for example “${_dasboard}” ? Becouse Grafana doesnt interprete this…

March 30, 2026 - # Filter by selected instance ...ds_total{instance=~"$instance", mode="idle"}[5m]) # Chained variables kube_pod_info{namespace="$namespace", pod="$pod"}...

August 31, 2018 - Hello- What is the best way for a panel plugin to update a variable? I have tried: this.$location.search( 'var-'+name, value ); This updates the URL properly, and on browser refresh, the variables is set, but I wou…

The typical implementation uses every string value returned from the data source response as a variable value. Make sure to double-check the documentation for the data source. Some data sources let you provide custom “display names” for the values. For instance, the PostgreSQL, MySQL, and Microsoft SQL Server plugins handle this by looking for fields named __text and __value in the result.

November 17, 2021 - Hello, How Can I listen on grafana variables change from my custom plugin code that is implemented in react ? I need to update my custom panel according to a variable changes. I didn’t find any documentation regarding …