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string.go
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/
string.go
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package common
import (
r "crypto/rand"
"encoding/base64"
"fmt"
"math/rand"
"strings"
"time"
)
func ParseLabels(labels string) []string {
return ParseCommaSeparatedStrings(labels)
}
func ParseTaints(taints string) []string {
return ParseCommaSeparatedStrings(taints)
}
func ParseTuningConfigs(tuningConfigs string) []string {
return ParseCommaSeparatedStrings(tuningConfigs)
}
func ParseCommaSeparatedStrings(input string) (output []string) {
split := strings.Split(strings.ReplaceAll(input, " ", ""), ",")
for _, item := range split {
if strings.TrimSpace(item) != "" {
output = append(output, item)
}
}
return
}
func GenerateRandomStringWithSymbols(length int) string {
b := make([]byte, length)
_, err := r.Read(b)
if err != nil {
panic(err)
}
randomString := base64.StdEncoding.EncodeToString(b)[:length]
f := func(r rune) bool {
return r < 'A' || r > 'z'
}
// Verify that the string contains special character or number
if strings.IndexFunc(randomString, f) == -1 {
randomString = randomString[:len(randomString)-1] + "!"
}
return randomString
}
// Generate random string
func GenerateRandomString(n int) string {
const letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
rand.Seed(time.Now().UnixNano())
s := make([]byte, n)
for i := range s {
s[i] = letters[rand.Intn(len(letters))]
}
return string(s)
}
func GenerateRandomName(prefix string, n int) string {
return fmt.Sprintf("%s-%s", prefix, strings.ToLower(GenerateRandomString(n)))
}
func TrimNameByLength(name string, length int) string {
if len(name) <= length {
return name
}
return name[0:length]
}
func SplitMajorVersion(openshiftVersion string) string {
splited := strings.Split(openshiftVersion, ".")
if len(splited) < 2 {
return openshiftVersion
}
return strings.Join(splited[0:2], ".")
}
func ReplaceCommaWithCommaSpace(sourceValue string) string {
splited := ParseCommaSeparatedStrings(sourceValue)
return strings.Join(splited, ", ")
}