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