mirror of
https://github.com/psviderski/uncloud.git
synced 2026-08-26 11:03:34 +00:00
28 lines
680 B
Go
28 lines
680 B
Go
package cluster
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"fmt"
|
|
"math/big"
|
|
"uncloud/internal/secret"
|
|
)
|
|
|
|
// NewMachineID generates a new unique machine ID.
|
|
func NewMachineID() (string, error) {
|
|
return secret.NewID()
|
|
}
|
|
|
|
// NewRandomMachineName generates a random machine name in the format "machine-xxxx".
|
|
func NewRandomMachineName() (string, error) {
|
|
const charset = "abcdefghijklmnopqrstuvwxyz0123456789"
|
|
suffix := make([]byte, 4)
|
|
for i := range suffix {
|
|
randIdx, err := rand.Int(rand.Reader, big.NewInt(int64(len(charset))))
|
|
if err != nil {
|
|
return "", fmt.Errorf("get random number: %w", err)
|
|
}
|
|
suffix[i] = charset[randIdx.Int64()]
|
|
}
|
|
return "machine-" + string(suffix), nil
|
|
}
|