tty-prometheus-exporter-merger/cmd/main.go

50 lines
920 B
Go

package cmd
import (
"context"
"flag"
"net/http"
"os"
"os/signal"
"time"
prom "github.com/prometheus/client_model/go"
"github.com/vadv/prometheus-exporter-merger/merger"
)
func Execute() {
var (
configPath = flag.String("config", "config.yaml", "Path to config")
)
flag.Parse()
c, err := parseConfig(*configPath)
if err != nil {
panic(err)
}
m := merger.New(c.Timeout)
for _, s := range c.Sources {
var labels []*prom.LabelPair
for k, v := range s.Labels {
k, v := k, v
labels = append(labels, &prom.LabelPair{Name: &k, Value: &v})
}
m.AddSource(s.Url, labels)
}
srv := &http.Server{Addr: c.Listen, Handler: &handler{m: m}}
go srv.ListenAndServe()
stop := make(chan os.Signal, 1)
signal.Notify(stop, os.Interrupt)
<-stop
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if err := srv.Shutdown(ctx); err != nil {
panic(err)
}
}