func getClusterID(client discovery.Client) (string, error) {
id, err := client.Get(clusterIDKey)
if err != nil {
return "", err
}
if id == "" {
return "", fmt.Errorf("clusterID not yet set")
}
return id, nil
}
func setClusterID(client discovery.Client) error {
return client.Set(clusterIDKey, uuid.NewWithoutDashes(), 0)
}