stale/gomodproxy
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add debug http endpoint for expvar and pprof api

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This commit is contained in:
Serge Zaitsev 2018-09-25 13:52:43 +02:00
parent d789cd77e0
commit e9396f2d6f
1 changed files with 16 additions and 2 deletions
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18
cmd/gomodproxy/main.go
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@ -15,6 +15,9 @@ import (
"time" "time"
"github.com/sixt/gomodproxy/pkg/api" "github.com/sixt/gomodproxy/pkg/api"
_ "expvar"
_ "net/http/pprof"
) )
func prettyLog(v ...interface{}) { func prettyLog(v ...interface{}) {
@ -53,6 +56,7 @@ func main() {
addr := flag.String("addr", ":0", "http server address") addr := flag.String("addr", ":0", "http server address")
verbose := flag.Bool("v", false, "verbose logging") verbose := flag.Bool("v", false, "verbose logging")
debug := flag.Bool("debug", false, "enable debug HTTP API (pprof/expvar)")
json := flag.Bool("json", false, "json structured logging") json := flag.Bool("json", false, "json structured logging")
dir := flag.String("dir", filepath.Join(os.Getenv("HOME"), ".gomodproxy"), "cache directory") dir := flag.String("dir", filepath.Join(os.Getenv("HOME"), ".gomodproxy"), "cache directory")
memLimit := flag.Int64("mem", 256, "in-memory cache size in MB") memLimit := flag.Int64("mem", 256, "in-memory cache size in MB")
@ -69,7 +73,7 @@ func main() {
fmt.Println("Listening on", ln.Addr()) fmt.Println("Listening on", ln.Addr())
options := []api.Option{} options := []api.Option{}
var logger func(...interface{}) logger := func(...interface{}) {}
if *verbose || *json { if *verbose || *json {
if *json { if *json {
logger = jsonLog logger = jsonLog
@ -95,7 +99,17 @@ func main() {
sigc := make(chan os.Signal, 1) sigc := make(chan os.Signal, 1)
signal.Notify(sigc, os.Interrupt) signal.Notify(sigc, os.Interrupt)
srv := &http.Server{Handler: api.New(options...)} mux := http.NewServeMux()
mux.Handle("/", api.New(options...))
if *debug {
mux.Handle("/debug/vars", http.DefaultServeMux)
mux.Handle("/debug/pprof/heap", http.DefaultServeMux)
mux.Handle("/debug/pprof/profile", http.DefaultServeMux)
mux.Handle("/debug/pprof/block", http.DefaultServeMux)
mux.Handle("/debug/pprof/trace", http.DefaultServeMux)
}
srv := &http.Server{Handler: mux}
go func() { go func() {
if err := srv.Serve(ln); err != nil { if err := srv.Serve(ln); err != nil {
log.Fatal(err) log.Fatal(err)