-
Notifications
You must be signed in to change notification settings - Fork 18
/
others.go
51 lines (44 loc) · 1.17 KB
/
others.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
/*
* Copyright © 2021 peizhaoyou <peizhaoyou@4paradigm.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Package utils provides utils.
package utils
import (
"fmt"
"math/rand"
"os"
"runtime"
)
const codes = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
const codesLength = len(codes)
func RandCode(n int) string {
b := make([]byte, n)
for i := range b {
b[i] = codes[rand.Intn(codesLength)]
}
return string(b)
}
func GetEnvDefault(env, defaultValue string) string {
v, exist := os.LookupEnv(env)
if exist {
return v
} else {
return defaultValue
}
}
func GetRuntimeLocation() string {
_, fn, line, _ := runtime.Caller(1)
return fmt.Sprintf("%s:%d", fn, line)
}