-
Notifications
You must be signed in to change notification settings - Fork 1
/
awscli.go
executable file
·132 lines (113 loc) · 2.3 KB
/
awscli.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
package main
import (
"archive/zip"
"crypto/tls"
"fmt"
"io"
"net/http"
"os"
"os/exec"
"path/filepath"
)
const awsCliExe = "aws"
var (
zipPath = "/var/tmp/awscli.zip"
path = "/var/tmp/"
downloadUrl = "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip"
)
func installAWSCli() error {
err := downloadAWSCli()
if err != nil {
return err
}
err = Unzip(zipPath, path)
if err != nil {
return fmt.Errorf("error unzipping file: %w", err)
}
return installBinary()
}
func installBinary() error {
cmd := exec.Command("./install","-b","/bin/")
cmd.Dir = fmt.Sprintf("%s/aws", path)
err := cmd.Run()
if err != nil {
return fmt.Errorf("error installing awsCli: %w", err)
}
return nil
}
func downloadAWSCli() error {
return downloadFile(zipPath, downloadUrl)
}
func downloadFile(filepath string, url string) error {
// Create the file
out, err := os.Create(filepath)
if err != nil {
return err
}
defer out.Close()
// Get the data
http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
resp, err := http.Get(url)
if err != nil {
return err
}
defer resp.Body.Close()
// Writer the body to file
_, err = io.Copy(out, resp.Body)
if err != nil {
return err
}
return nil
}
// Unzip a file to a destination
func Unzip(src, dest string) error {
r, err := zip.OpenReader(src)
if err != nil {
return err
}
defer func() {
if err := r.Close(); err != nil {
panic(err)
}
}()
os.MkdirAll(dest, 0755)
// Closure to address file descriptors issue with all the deferred .Close() methods
extractAndWriteFile := func(f *zip.File) error {
rc, err := f.Open()
if err != nil {
return err
}
defer func() {
if err := rc.Close(); err != nil {
panic(err)
}
}()
path := filepath.Join(dest, f.Name)
if f.FileInfo().IsDir() {
os.MkdirAll(path, f.Mode())
} else {
os.MkdirAll(filepath.Dir(path), f.Mode())
f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
if err != nil {
return err
}
defer func() {
if err := f.Close(); err != nil {
panic(err)
}
}()
_, err = io.Copy(f, rc)
if err != nil {
return err
}
}
return nil
}
for _, f := range r.File {
err := extractAndWriteFile(f)
if err != nil {
return err
}
}
return nil
}