telegraf/cmd/telegraf/pprof.go

46 lines
815 B
Go

package main
import (
"fmt"
"log"
"net/http"
"strings"
)
type Server interface {
Start(string)
ErrChan() <-chan error
}
type PprofServer struct {
err chan error
}
func NewPprofServer() *PprofServer {
return &PprofServer{
err: make(chan error),
}
}
func (p *PprofServer) Start(address string) {
go func() {
pprofHostPort := address
parts := strings.Split(pprofHostPort, ":")
if len(parts) == 2 && parts[0] == "" {
pprofHostPort = fmt.Sprintf("localhost:%s", parts[1])
}
pprofHostPort = "http://" + pprofHostPort + "/debug/pprof"
log.Printf("I! Starting pprof HTTP server at: %s", pprofHostPort)
if err := http.ListenAndServe(address, nil); err != nil {
p.err <- fmt.Errorf("E! %w", err)
}
close(p.err)
}()
}
func (p *PprofServer) ErrChan() <-chan error {
return p.err
}