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68 lines
1.5 KiB
68 lines
1.5 KiB
package main
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import (
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"fmt"
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"net/http"
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"os"
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"time"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promauto"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"github.com/prometheus/client_golang/prometheus/push"
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"github.com/prometheus/common/expfmt"
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)
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func recordMetrics() {
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go func() {
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for {
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opsProcessed.Inc()
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time.Sleep(2 * time.Second)
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}
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}()
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}
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var (
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opsProcessed = promauto.NewCounter(prometheus.CounterOpts{
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Name: "myapp_processed_ops_total",
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Help: "The total number of processed events",
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})
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)
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func main() {
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if os.Args[1] == "scrape" {
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recordMetrics()
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http.Handle("/metrics", promhttp.Handler())
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http.ListenAndServe(":2112", nil)
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} else if os.Args[1] == "push" {
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for i := 0; i < 10; i++ {
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opsProcessed.Inc()
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time.Sleep(1 * time.Second)
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}
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registry := prometheus.NewRegistry()
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registry.MustRegister(opsProcessed)
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pusher := push.New("http://localhost:8888", "db_backup").Gatherer(registry)
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pusher.Format(expfmt.FmtOpenMetrics)
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if err := pusher.Add(); err != nil {
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fmt.Println("Could not push to Pushgateway:", err)
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}
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} else if os.Args[1] == "push2" {
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registry := prometheus.NewRegistry()
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registry.MustRegister(opsProcessed)
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pusher := push.New("http://localhost:8888", "db_backup").Gatherer(registry)
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pusher.Format(expfmt.FmtOpenMetrics)
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for i := 0; i < 10; i++ {
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opsProcessed.Inc()
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time.Sleep(1 * time.Second)
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if err := pusher.Push(); err != nil {
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fmt.Println("Could not push to Pushgateway:", err)
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}
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}
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}
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}
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