* Even if empty string, treated as empty plainly. So "IF pmb != null" is false if empty.
     * @param clustername The parameter value of clustername. (NotNull)
     */
    public void setClustername(String clustername) {
        registerVariable("clustername", clustername);
    }

    /**
     * Set the value of clusterstatus, used in parameter comment. <br>

                            postcard.dryrun();
                        }
                        postcard.setHostname(systemHelper.getHostname());
                        postcard.setClustername(ping.getClusterName());
                        postcard.setClusterstatus(ping.getClusterStatus());
                    });
                } catch (final Exception e) {