forked from larrabee/s3sync
-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.go
153 lines (134 loc) · 3.63 KB
/
main.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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
// Package provides the cli util s3sync.
package main
import (
"context"
"errors"
"net/http"
_ "net/http/pprof"
"os"
"os/signal"
"runtime"
"syscall"
"github.com/gosuri/uilive"
"github.com/sirupsen/logrus"
"github.com/jeessy2/s3sync/pipeline"
"github.com/jeessy2/s3sync/storage"
)
var cli argsParsed
var log = logrus.New()
var live *uilive.Writer
const (
goThreadsPerCPU = 8
)
type syncStatus int
const (
syncStatusUnknown syncStatus = iota - 1
syncStatusOk
syncStatusFailed
syncStatusAborted
syncStatusConfError
)
// init program runtime: parse cli args and set logger
func init() {
runtime.GOMAXPROCS(runtime.NumCPU() * goThreadsPerCPU)
var err error
cli, err = GetCliArgs()
if err != nil {
log.Fatalf("cli args parsing failed with error: %s", err)
}
if cli.Profiler {
go func() {
log.Errorf("Profiler error: %s", http.ListenAndServe(":8080", nil))
}()
}
if cli.ShowProgress {
live = uilive.New()
live.Start()
log.SetOutput(live.Bypass())
log.SetFormatter(&logrus.TextFormatter{ForceColors: true})
}
if cli.Debug {
log.SetLevel(logrus.DebugLevel)
}
if cli.SyncLogFormat == "json" {
log.SetFormatter(&logrus.JSONFormatter{})
}
pipeline.Log = log
storage.Log = log
}
func main() {
ctx, cancel := context.WithCancel(context.Background())
syncGroup := pipeline.NewGroup()
sysStopChan := make(chan os.Signal, 1)
signal.Notify(sysStopChan, os.Interrupt, syscall.SIGTERM, syscall.SIGQUIT)
err := setupStorages(ctx, &syncGroup, &cli)
if err != nil {
log.Fatalf("Failed to setup storage, error: %s", err)
}
setupPipeline(&syncGroup, &cli)
log.Info("Starting sync")
syncGroup.Run()
if cli.ShowProgress {
go printLiveStats(ctx, &syncGroup)
}
syncStatus := HandleErrors(sysStopChan, cancel, syncGroup)
printFinalStats(&syncGroup, syncStatus)
log.Exit(int(syncStatus))
}
func HandleErrors(sysStopChan chan os.Signal, cancel context.CancelFunc, syncGroup pipeline.Group) syncStatus {
syncStatus := syncStatusUnknown
WaitLoop:
for {
select {
case recSignal := <-sysStopChan:
log.Warnf("Receive signal: %s, terminating", recSignal.String())
cancel()
syncStatus = syncStatusAborted
case err := <-syncGroup.ErrChan():
if err == nil {
if syncStatus == syncStatusUnknown {
syncStatus = syncStatusOk
}
break WaitLoop
}
var confErr *pipeline.StepConfigurationError
if errors.As(err, &confErr) {
log.Errorf("Pipeline configuration error: %s, terminating", confErr)
syncStatus = syncStatusConfError
cancel()
continue WaitLoop
}
if cli.ErrorHandlingMask.Has(storage.HandleErrNotExist) && storage.IsErrNotExist(err) {
var objErr *pipeline.ObjectError
if errors.As(err, &objErr) {
log.Warnf("Skip missing object: %s", *objErr.Object.Key)
} else {
log.Warnf("Skip missing object, err: %s", err)
}
continue WaitLoop
} else if cli.ErrorHandlingMask.Has(storage.HandleErrPermission) && storage.IsErrPermission(err) {
var objErr *pipeline.ObjectError
if errors.As(err, &objErr) {
log.Warnf("Skip permission denied object: %s", *objErr.Object.Key)
} else {
log.Warnf("Skip permission denied object, err: %s", err)
}
continue WaitLoop
} else if cli.ErrorHandlingMask.Has(storage.HandleErrOther) {
var objErr *pipeline.ObjectError
if errors.As(err, &objErr) {
log.Warnf("Failed to sync object: %s, error: %s, skipping", *objErr.Object.Key, objErr.Err)
} else {
log.Warnf("Sync err: %s, skipping", err)
}
continue WaitLoop
}
if syncStatus == syncStatusUnknown {
log.Errorf("Sync error: %s, terminating", err)
syncStatus = syncStatusFailed
cancel()
}
}
}
return syncStatus
}