open-nomad/helper/uuid/uuid.go

22 lines
371 B
Go

package uuid
import (
crand "crypto/rand"
"fmt"
)
// Generate is used to generate a random UUID
func Generate() string {
buf := make([]byte, 16)
if _, err := crand.Read(buf); err != nil {
panic(fmt.Errorf("failed to read random bytes: %v", err))
}
return fmt.Sprintf("%08x-%04x-%04x-%04x-%12x",
buf[0:4],
buf[4:6],
buf[6:8],
buf[8:10],
buf[10:16])
}