-
Notifications
You must be signed in to change notification settings - Fork 0
/
util.go
193 lines (179 loc) · 3.78 KB
/
util.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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
package util
import (
"bytes"
"crypto/sha256"
"encoding/json"
"fmt"
log "github.com/sirupsen/logrus"
"io"
"io/ioutil"
"math/rand"
"os"
"os/exec"
"runtime"
"strings"
)
func EnsureDir(baseDir string, dirs ...string) {
_, err := ioutil.ReadDir(baseDir)
if os.IsNotExist(err) {
e := os.MkdirAll(baseDir, os.ModePerm)
if e != nil {
log.Errorf("create dir %s err: %s", baseDir, err.Error())
}
log.Infof("create dir: %s", baseDir)
} else {
log.Debugf("dir existed: %s", baseDir)
}
for _, dir := range dirs {
_, err := ioutil.ReadDir(dir)
if os.IsNotExist(err) {
e := os.MkdirAll(dir, os.ModePerm)
if e != nil {
log.Errorf("create dir %s err: %s", dir, err.Error())
}
log.Infof("create dir: %s", dir)
} else {
log.Debugf("dir existed: %s", dir)
}
}
}
func RemoveDir(dir string) error {
ff, err := os.Stat(dir)
if err != nil {
return err
} else {
if ff.IsDir() {
err = os.RemoveAll(dir)
if err != nil {
return err
}
}
}
return nil
}
func CheckSum(file string, checksum string) bool {
h := sha256.New()
f, _ := os.Open(file)
defer func(f *os.File) {
err := f.Close()
if err != nil {
fmt.Printf("file colse err: %s", err.Error())
}
}(f)
buf := make([]byte, 1<<20)
for {
n, err := io.ReadFull(f, buf)
if err == nil || err == io.ErrUnexpectedEOF {
_, err = h.Write(buf[0:n])
if err != nil {
}
} else if err == io.EOF {
break
} else {
}
}
r := h.Sum(nil)
sumCode := fmt.Sprintf("%x", r)
return sumCode == strings.ToLower(checksum)
}
func GetArch() string {
return runtime.GOOS + "-" + runtime.GOARCH
}
func GetPythonVersion() (versions []string) {
getPythonVersion := func(pyt string) string {
cmd := exec.Command(pyt, "--version")
var out bytes.Buffer
cmd.Stdout = &out
err := cmd.Run()
if err != nil {
return ""
}
return out.String()
}
str := getPythonVersion("python")
if str != "" {
if ar := strings.Split(str, " "); len(ar) == 2 {
v := strings.SplitAfter(ar[1], ".")
versions = append(versions, strings.TrimSuffix(v[0]+v[1], "."))
}
}
str = getPythonVersion("python3")
if str != "" {
if ar := strings.Split(str, " "); len(ar) == 2 {
v := strings.SplitAfter(ar[1], ".")
versions = append(versions, strings.TrimSuffix(v[0]+v[1], "."))
}
}
if versions == nil {
return []string{}
}
return versions
}
func GetNodeVersion() (version string) {
//cmd := exec.Command("node", "--version")
//var out bytes.Buffer
//cmd.Stdout = &out
//err := cmd.Run()
//if err != nil {
// return
//}
//v := strings.SplitAfter(out.String(), ".")
//if len(v) < 2 {
// return ""
//}
//return strings.TrimPrefix(strings.TrimSuffix(v[0]+v[1], "."), "v")
return "72"
}
func JsonIndent(in any) string {
d, err := json.MarshalIndent(in, "", " ")
if err != nil {
return ""
}
return string(d)
}
type Valuer interface {
~string | ~float64 | ~bool | ~int64
}
// GetValueFromPointer 传入一个指针,如果指针为空,返回类型的空值,否则返回指针指向的值
func GetValueFromPointer[T Valuer](value *T) T {
var v T
if value != nil {
tem := value
return *tem
}
return v
}
// GetAnyFromPointer 传入一个指针,如果指针为空,返回空接口,否则返回指针指向的值
func GetAnyFromPointer[T Valuer](value *T) any {
if value != nil {
tem := value
return *tem
}
return nil
}
func ConditionValue[T any](c bool, a, b T) T {
if c {
return a
}
return b
}
func ConditionFunc[T any](c bool, a, b func() T) T {
if c {
return a()
}
return b()
}
func GenerateMac() string {
var mac string
buf := make([]byte, 6)
for i := 0; i < 10; i++ {
_, err := rand.Read(buf)
if err != nil {
fmt.Println("error:", err)
break
}
buf[0] |= 2
mac = fmt.Sprintf("%02X%02X%02X%02X%02X%02X", buf[0], buf[1], buf[2], buf[3], buf[4], buf[5])
}
return mac
}