/
util.go
93 lines (82 loc) · 1.83 KB
/
util.go
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package common
import (
"encoding/json"
"fmt"
"hash"
"log"
"math/rand"
"regexp"
"sort"
"strings"
uuid "github.com/satori/go.uuid"
)
func EqualStringSlice(a, b []string) bool {
if len(a) != len(b) {
return false
}
as := make([]string, len(a))
copy(as, a)
bs := make([]string, len(b))
copy(bs, b)
sort.Strings(as)
sort.Strings(bs)
for i, v := range as {
if v != bs[i] {
return false
}
}
return true
}
func ComputeConfigElementSha(h hash.Hash, msg interface{}) {
data, err := json.Marshal(msg)
if err != nil {
log.Fatalf("computeConfigItemSha: json.Marshal: %s\n", err)
}
h.Write(data)
}
func RandomString(len int) string {
bytes := make([]byte, len)
for i := 0; i < len; i++ {
bytes[i] = byte(65 + rand.Intn(25)) //A=65 and Z = 65+25
}
return string(bytes)
}
func EqualUUIDSlice(a, b []*uuid.UUID) bool {
as := make([]string, 0, len(a))
bs := make([]string, 0, len(b))
for _, u := range a {
as = append(as, u.String())
}
for _, u := range b {
bs = append(bs, u.String())
}
return EqualStringSlice(as, bs)
}
func CompareStringSliceMap(s []string, m map[string]bool) error {
if s == nil && m == nil {
return nil
}
if len(s) != len(m) {
return fmt.Errorf("map '%v', slice '%v'", m, s)
}
keys := make([]string, 0, len(m))
for k := range m {
keys = append(keys, k)
}
// same length, so compare
sort.Strings(keys)
sort.Strings(s)
sj := strings.Join(s, "\n")
mj := strings.Join(keys, "\n")
if sj != mj {
return fmt.Errorf("mismatched entries, slice '%s', map '%s'", sj, mj)
}
return nil
}
func MismatchedErrors(e1, e2 error) bool {
return (e1 != nil && e2 == nil) || (e1 == nil && e2 != nil) || (e1 != nil && e2 != nil && !strings.HasPrefix(e1.Error(), e2.Error()))
}
func GetOnboardCertName(cn string) string {
re := regexp.MustCompile(`[^a-zA-Z0-9\\.\\-]`)
return re.ReplaceAllString(cn, "_")
}