-
Notifications
You must be signed in to change notification settings - Fork 309
/
runtime.go
100 lines (87 loc) · 2.23 KB
/
runtime.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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
package runtime
import (
"encoding/base64"
"fmt"
"io/ioutil"
"net/http"
"time"
"encr.dev/cli/daemon/run"
"encr.dev/cli/daemon/runtime/trace"
"encr.dev/proto/encore/server/remote"
"github.com/rs/zerolog/log"
)
type server struct {
runMgr *run.Manager
ts *trace.Store
rc remote.RemoteClient
}
func NewServer(runMgr *run.Manager, ts *trace.Store, rc remote.RemoteClient) http.Handler {
s := &server{runMgr: runMgr, ts: ts, rc: rc}
return s
}
// ServeHTTP implements http.Handler.
func (s *server) ServeHTTP(w http.ResponseWriter, req *http.Request) {
switch req.URL.Path {
case "/trace":
s.RecordTrace(w, req)
default:
http.Error(w, "Not Found", http.StatusNotFound)
}
}
func (s *server) RecordTrace(w http.ResponseWriter, req *http.Request) {
pid := req.Header.Get("X-Encore-Proc-ID")
if pid == "" {
http.Error(w, "missing X-Encore-Proc-ID header", http.StatusBadRequest)
return
}
traceID, err := parseTraceID(req.Header.Get("X-Encore-Trace-ID"))
if err != nil {
http.Error(w, "invalid X-Encore-Trace-ID header: "+err.Error(), http.StatusBadRequest)
return
}
proc := s.runMgr.FindProc(pid)
if proc == nil {
http.Error(w, "process "+pid+" not running", http.StatusBadRequest)
return
}
data, err := ioutil.ReadAll(req.Body)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
reqs, err := trace.Parse(traceID, data, proc)
if err != nil {
log.Error().Err(err).Msg("runtime: could not parse trace")
http.Error(w, "could not parse trace: "+err.Error(), http.StatusBadRequest)
return
}
if len(reqs) == 0 {
// Probably a 401 Unauthorized; drop it for now
// since we can't visualize it nicely
return
}
tm := &trace.TraceMeta{
ID: traceID,
Reqs: reqs,
AppID: proc.Run.AppID,
AppRoot: proc.Run.Root,
Date: time.Now(),
Meta: proc.Meta,
}
err = s.ts.Store(req.Context(), tm)
if err != nil {
http.Error(w, "could not record trace:"+err.Error(), http.StatusInternalServerError)
return
}
}
func parseTraceID(s string) (id trace.ID, err error) {
parsedID, err := base64.RawURLEncoding.DecodeString(s)
if err != nil {
return id, err
}
if len(parsedID) != len(id) {
return id, fmt.Errorf("bad length")
}
copy(id[:], parsedID)
return id, nil
}