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