Prometheus client

gistfile1.txt

package main

import (
	"context"
	"fmt"
	"time"
	"github.com/prometheus/client_golang/api"
	"github.com/prometheus/client_golang/api/prometheus/v1"
	"github.com/prometheus/common/model"
)

func main() {
	client, err := api.NewClient(api.Config{Address:  "http://192.168.0.89:9090"})
	if err != nil {
		fmt.Printf("%s",err )
	}

	step, _ := time.ParseDuration("15s")

	queryAPI := v1.NewAPI(client)

	Range := v1.Range{
		Start: time.Now().Add(-time.Hour * 24 ),
		End:   time.Now(),
		Step:  step,
	}

	values, err := queryAPI.QueryRange(context.Background(), "up{job=\"greenhouse\"}", Range)

	if err != nil {
		fmt.Printf("%s",err )
	}
	fmt.Printf("%s\n",values )
	if values.Type() == model.ValVector {
		if vector, ok := values.(model.Vector); ok {
			for _, sample := range vector {
				fmt.Printf("%s\n",sample )
			}
		}
	}
}