web_proxy_cache/env.go at main · thenodon/web_proxy_cache · GitHub

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
package main

import (
	"os"
	"strconv"
	"strings"
)

func GetEnv(key string, defaultVal string) string {
	if value, exists := os.LookupEnv(key); exists {
		return value
	}

	return defaultVal
}

func GetEnvAsInt(name string, defaultVal int) int {
	valueStr := GetEnv(name, "")
	if value, err := strconv.Atoi(valueStr); err == nil {
		return value
	}

	return defaultVal
}

func GetEnvAsInt64(name string, defaultVal int64) int64 {
	valueStr := GetEnv(name, "")
	if value, err := strconv.ParseInt(valueStr, 10, 64); err == nil {
		return value
	}
	return defaultVal
}

func GetEnvAsBool(name string, defaultVal bool) bool {
	valStr := GetEnv(name, "")
	if val, err := strconv.ParseBool(valStr); err == nil {
		return val
	}

	return defaultVal
}

func GetEnvAsSlice(name string, defaultVal []string, sep string) []string {
	valStr := GetEnv(name, "")

	if valStr == "" {
		return defaultVal
	}

	val := strings.Split(valStr, sep)

	return val
}