fix: Move more directories

cloud/packages/maitred/internal/system/id.go

@@ -0,0 +1,24 @@
+package system
+
+import (
+	"os"
+	"strings"
+)
+
+const (
+	dbusPath    = "/var/lib/dbus/machine-id"
+	dbusPathEtc = "/etc/machine-id"
+)
+
+// GetID returns the machine ID specified at `/var/lib/dbus/machine-id` or `/etc/machine-id`.
+// If there is an error reading the files an empty string is returned.
+func GetID() (string, error) {
+	id, err := os.ReadFile(dbusPath)
+	if err != nil {
+		id, err = os.ReadFile(dbusPathEtc)
+	}
+	if err != nil {
+		return "", err
+	}
+	return strings.Trim(string(id), " \n"), nil
+}