-
Notifications
You must be signed in to change notification settings - Fork 390
/
debug.go
55 lines (47 loc) · 1.45 KB
/
debug.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package process
import (
"flag"
"fmt"
"net"
"net/http"
"net/http/pprof"
"go.uber.org/zap"
monkit "gopkg.in/spacemonkeygo/monkit.v2"
"gopkg.in/spacemonkeygo/monkit.v2/present"
"storj.io/storj/internal/version"
)
var (
debugAddr = flag.String("debug.addr", "127.0.0.1:0", "address to listen on for debug endpoints")
)
func init() {
// zero out the http.DefaultServeMux net/http/pprof so unhelpfully
// side-effected.
*http.DefaultServeMux = http.ServeMux{}
}
func initDebug(logger *zap.Logger, r *monkit.Registry) (err error) {
var mux http.ServeMux
mux.HandleFunc("/debug/pprof/", pprof.Index)
mux.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
mux.HandleFunc("/debug/pprof/profile", pprof.Profile)
mux.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
mux.HandleFunc("/debug/pprof/trace", pprof.Trace)
mux.Handle("/version/", http.StripPrefix("/version", http.HandlerFunc(version.DebugHandler)))
mux.Handle("/mon/", http.StripPrefix("/mon", present.HTTP(r)))
mux.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
_, _ = fmt.Fprintln(w, "OK")
})
ln, err := net.Listen("tcp", *debugAddr)
if err != nil {
return err
}
go func() {
logger.Debug(fmt.Sprintf("debug server listening on %s", ln.Addr().String()))
err := (&http.Server{Handler: &mux}).Serve(ln)
if err != nil {
logger.Error("debug server died", zap.Error(err))
}
}()
return nil
}