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20.04.2020 · Labels in Grafana are the human readable descriptors that appear next to your dashboard’s drop down (picker) menu (see below image). Your variable Labels display in your final dashboard UI, while name is what you use to reference the variable in your queries. Secondly, under Query options, we define the query that will define the variable.

Templates and variables. A variable is a placeholder for a value. You can use variables in metric queries and in panel titles. So when you change the value, using the dropdown at the top of the dashboard, your panel’s metric queries will change to reflect the new value.

Add a query variable. Query variables allow 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. The variable values change as they dynamically fetch options with a data source query.

Apr 20, 2020 · To create a new variable, go to your Grafana dashboard settings, navigate to the Variable option in the side-menu, and then click the Add variable button. In this case, we use the Query type, where our variable will be defined as the result of an SQL query. How to create a variable of type Query. Under the General section, we name our variable ...

Aug 02, 2019 · Show activity on this post. I've created a Grafana dashboard variable (multi-select enabled) based on a MySQL query: SELECT DISTINCT (my_field) from my_table. This field has about 12 options, one of them being a NULL value. When editing my dashboard widgets, I include a SQL constraint similar to:

Prometheus stores the instance or host name for every metric. If you want to filter your dashboard data based on the instance name you need a ...

Grafana Viewers can use variables. Variables and templates also allow you to single-source dashboards. If you have multiple identical data sources or servers, you can make one dashboard and use variables to change what you are viewing. This simplifies maintenance and upkeep enormously. Templates. A template is any query that contains a variable.

Navigate to the dashboard you want to make a variable for and then click the Dashboard settings (gear) icon at the top of the page. · On the Variables tab, click ...

We will create the variables using the Data sources set up in all the previous lessons. Example Variables. Name, Type, DataSource, Value/Query. interval ...

To create a new variable, go to your Grafana dashboard settings, navigate to the Variable option in the side-menu, and then click the Add ...

Jul 17, 2019 · In your dashboard, go into the Dashboard Settings menu and the Variables section and click new for a new variable and fill it in similarly to what’s below. The critical bits are in the query. Whatever database column is assigned as __text is used whenever the variable is displayed and whatever is assigned to __value is used as the actual ...

Variable examples. This page contains links to dashboards in Grafana Play with examples of template variables. Elasticsearch Metrics - Uses ad hoc filters, global variables, and a custom variable.; Graphite Templated Nested - Uses query variables, chained query variables, an interval variable, and a repeated panel.; Influx DB Group By Variable - Query variable, panel uses the …

Query variables are very similar to Custom variables, but with an advantage: we can retrieve the values that will be listed from a data source.

Navigate to the dashboard you want to make a variable for and then click the Dashboard settings (gear) icon at the top of the page. On the Variables tab, click New. Enter a Name for your variable. In the Type list, select Query. (optional) In Label, enter the display name of the variable dropdown. If you don’t enter a display name, then the ...

17.07.2019 · In your dashboard, go into the Dashboard Settings menu and the Variables section and click new for a new variable and fill it in similarly to what’s below. The critical bits are in the query. Whatever database column is assigned as __text is used whenever the variable is displayed and whatever is assigned to __value is used as the actual value when Grafana makes …