app-exporter/apps/grafana.go

package apps

import (
	"log"
	"os/exec"
	"strings"

	"github.com/prometheus/client_golang/prometheus"
)

func Grafana(m Metrics) {
	out, err := exec.Command("grafana-cli", "--version").Output()
	if err != nil {
		log.Printf(">> WARN: Unable to get Grafana version: %v", err)
		return
	}

	version := strings.Split(string(out), " ")[2]

	m.Grafana.With(prometheus.Labels{"version": strings.TrimSpace(version)}).Set(1)
}