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Enable prometheus in bootnode

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This commit is contained in:
Jerry 2023-09-14 16:40:13 -07:00
parent 71326b501b
commit ec6b09240e
1 changed files with 44 additions and 8 deletions
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36
internal/cli/bootnode.go
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@ -5,6 +5,7 @@ import (
"errors"
"fmt"
"net"
"net/http"
"os"
"os/signal"
"path/filepath"
@ -16,6 +17,8 @@ import (
"github.com/ethereum/go-ethereum/internal/cli/flagset"
"github.com/ethereum/go-ethereum/internal/cli/server"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/metrics/prometheus"
"github.com/ethereum/go-ethereum/p2p/discover"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/ethereum/go-ethereum/p2p/nat"
@ -27,6 +30,8 @@ type BootnodeCommand struct {
UI cli.Ui
listenAddr string
enableMetrics bool
prometheusAddr string
v5 bool
verbosity int
logLevel string
@ -60,6 +65,18 @@ func (b *BootnodeCommand) Flags() *flagset.Flagset {
Usage: "listening address of bootnode (<ip>:<port>)",
Value: &b.listenAddr,
})
flags.BoolFlag(&flagset.BoolFlag{
Name: "metrics",
Usage: "Enable metrics collection and reporting",
Value: &b.enableMetrics,
Default: true,
})
flags.StringFlag(&flagset.StringFlag{
Name: "prometheus-addr",
Default: "127.0.0.1:7071",
Usage: "listening address of bootnode (<ip>:<port>)",
Value: &b.prometheusAddr,
})
flags.BoolFlag(&flagset.BoolFlag{
Name: "v5",
Default: false,
@ -237,6 +254,25 @@ func (b *BootnodeCommand) Run(args []string) int {
}
}
if b.enableMetrics {
prometheusMux := http.NewServeMux()
prometheusMux.Handle("/debug/metrics/prometheus", prometheus.Handler(metrics.DefaultRegistry))
promServer := &http.Server{
Addr: b.prometheusAddr,
Handler: prometheusMux,
}
go func() {
if err := promServer.ListenAndServe(); err != nil {
log.Error("Failure in running Prometheus server", "err", err)
}
}()
log.Info("Enabling metrics export to prometheus", "path", fmt.Sprintf("http://%s/debug/metrics/prometheus", b.prometheusAddr))
}
signalCh := make(chan os.Signal, 4)
signal.Notify(signalCh, os.Interrupt, syscall.SIGTERM, syscall.SIGHUP)