-
Notifications
You must be signed in to change notification settings - Fork 7
/
Copy pathmain.go
126 lines (101 loc) · 2.36 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
package main
import (
"context"
"encoding/json"
"flag"
"log"
"os"
"os/signal"
"path/filepath"
"github.com/loopholelabs/drafter/pkg/packager"
"github.com/loopholelabs/goroutine-manager/pkg/manager"
)
func main() {
defaultDevices, err := json.Marshal([]packager.PackagerDevice{
{
Name: packager.StateName,
Path: filepath.Join("out", "package", "state.bin"),
},
{
Name: packager.MemoryName,
Path: filepath.Join("out", "package", "memory.bin"),
},
{
Name: packager.KernelName,
Path: filepath.Join("out", "package", "vmlinux"),
},
{
Name: packager.DiskName,
Path: filepath.Join("out", "package", "rootfs.ext4"),
},
{
Name: packager.ConfigName,
Path: filepath.Join("out", "package", "config.json"),
},
{
Name: "oci",
Path: filepath.Join("out", "blueprint", "oci.ext4"),
},
})
if err != nil {
panic(err)
}
rawDevices := flag.String("devices", string(defaultDevices), "Devices configuration")
packagePath := flag.String("package-path", filepath.Join("out", "app.tar.zst"), "Path to package file")
extract := flag.Bool("extract", false, "Whether to extract or archive")
flag.Parse()
var devices []packager.PackagerDevice
if err := json.Unmarshal([]byte(*rawDevices), &devices); err != nil {
panic(err)
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
var errs error
defer func() {
if errs != nil {
panic(errs)
}
}()
goroutineManager := manager.NewGoroutineManager(
ctx,
&errs,
manager.GoroutineManagerHooks{},
)
defer goroutineManager.Wait()
defer goroutineManager.StopAllGoroutines()
defer goroutineManager.CreateBackgroundPanicCollector()()
go func() {
done := make(chan os.Signal, 1)
signal.Notify(done, os.Interrupt)
<-done
log.Println("Exiting gracefully")
cancel()
}()
if *extract {
if err := packager.ExtractPackage(
goroutineManager.Context(),
*packagePath,
devices,
packager.PackagerHooks{
OnBeforeProcessFile: func(name, path string) {
log.Println("Extracting device", name, "to", path)
},
},
); err != nil {
panic(err)
}
return
}
if err := packager.ArchivePackage(
goroutineManager.Context(),
devices,
*packagePath,
packager.PackagerHooks{
OnBeforeProcessFile: func(name, path string) {
log.Println("Archiving device", name, "from", path)
},
},
); err != nil {
panic(err)
}
}