How to create Grafana dashboard with variable of type map

Question

I have got grafana dashboard with panel , outputting the following metric:

rate(http_requests_total{service=~"${$service}"}[5m])

where $service is a variable. One can select service from drop-down list in grafana dashboard. The variable is a query label from victoria metrics data source.

I want to add the new variable named group which is a list of services. When you drop-down this variable from dashboard you see only group name , not services making up this group.

And I want to change the metric to look like the following:

avg(rate(http_requests_total{service=~"$<Select all services making up the group you selected>"}[5m]))

How can I accomplish this ?

PS. I tried to add relabling in config, add label group. But i dont know how to apply conditions in metric_relabel_configs (condition might be looking like if(service in [...] then group = group1 ...) )

If you know which services in which groups - you can just create a custom variable with label for group name, and value for regex with services. If you don't you'll first need to put that grouping relation somewhere, and then create variables based on where its stored. — markalex
– markalex, Commented May 23 at 22:36

knittl · Accepted Answer · 2025-05-25 20:26:30Z

0

If your groups are static, you can define a variable of type Custom and then specify key-value pairs as the available options. The key is the name you want to display in your dropdown and the value is a regular expression matching your services. For instance:

group1 : database|backup|proxy, group2 : service-(dev|test|prod), group3 : service-[123]+

Whitespace around the colon : is important

edited May 25 at 20:26

answered May 24 at 8:24

knittl

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2 Comments

voipp May 25 at 8:32

Thanks for the answer. But what about each key having static list of services ? Not regular expression

knittl May 25 at 9:09

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