label-names.md

Label-Names Variable Builder

Constructor

import "github.com/perses/perses/go-sdk/prometheus/label-names"

var options []labelnames.Option
labelnames.PrometheusLabelNames(options...)

Need a list of options.

Default options

• None

Available options

Matchers

import "github.com/perses/perses/go-sdk/prometheus/label-names" 

var matchers []string
labelnames.Matchers(matchers...)

Define matchers filtering the result.

AddMatcher

import "github.com/perses/perses/go-sdk/prometheus/label-names"

labelnames.AddMatcher("my_super_matcher")

Define a matcher filtering the result.

Datasource

import "github.com/perses/perses/go-sdk/prometheus/label-names"

labelnames.Datasource("datasourceName")

Define the datasource where the expression will be executed.

Filter

import "github.com/perses/perses/go-sdk/variable" 

variable.Filter(variables...)

Mainly used by Mainly used by variable group.. It will filter the current variable with the provided variables. The filter will be applied only if matchers don't have curly brackets.

Example

package main

import (
	"github.com/perses/perses/go-sdk/dashboard"
	labelnames "github.com/perses/perses/go-sdk/prometheus/variable/label-names"
	listvariable "github.com/perses/perses/go-sdk/variable/list-variable"
)

func main() {
	dashboard.New("Example Dashboard",
		dashboard.AddVariable("namespaceLabels", listvariable.List(
			labelnames.PrometheusLabelNames(
				labelnames.Matchers("kube_namespace_labels{stack=\"$stack\",prometheus=\"$prometheus\",prometheus_namespace=\"$prometheus_namespace\",namespace=\"$namespace\"}"),
				labelnames.Datasource("prometheusDemo"),
			),
		)),
	)
}