Michael Stapelberg
27 lines
538 B
Go
27 lines
538 B
Go
package gokrazy
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import (
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"os"
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"strings"
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)
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// MachineID returns the machine id (see
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// https://manpages.debian.org/machine-id.5) of the running gokrazy instance.
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//
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// `gok new` creates a random machine id, but on older gokrazy installations,
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// the hostname is used as a fallback.
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func MachineID() string {
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for _, fn := range []string{
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"/perm/machine-id",
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"/etc/machine-id",
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"/etc/hostname",
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} {
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b, err := os.ReadFile(fn)
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if err != nil {
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continue
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}
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return strings.TrimSpace(string(b))
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}
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return "machine-id-BUG"
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}
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