private function getClusters()
{
$active = '';
$clusters = array();
foreach (explode(PHP_EOL, $this->run('list')) as $cluster) {
$clusterName = trim(substr($cluster, 2, strlen($cluster) - 2));
// Determine if this cluster is the active cluster
if ($this->isActive($cluster)) {
$active = $clusterName;
}
// Add the cluster to the list
if (!empty($clusterName)) {
$clusters[] = $clusterName;
}
}
return array('active' => $active, 'list' => $clusters);
}