$cluster = $params['a'];
$conninfo = $params['b'];
$id = $params['c'];
$json = array();
#$repmgr->add_soft has all these checks
#but it does not give detailed error output
#we need these details for our interface
if (!is_numeric($id)) {
$json['error'] = "bad id";
}
$rs = $db->Execute("select count(*) as count from repmgr_{$repmgr_cluster_name}.repl_nodes where id = {$id}");
if ($rs->Fields('count') > 0) {
$json['error'] = 'that id already exists';
}
if (!$json['error']) {
$json[$soft = $repmgr->add_soft($cluster, $conninfo, $id) ? 'success' : 'error'] = $soft ? true : 'query_failure';
}
echo json_encode($json);
break;
case 'drop_soft':
$node = $params['a'];
$json = array();
$json[$repmgr->drop_soft($node) ? 'success' : 'error'] = true;
echo json_encode($json);
break;
case 'drop_hard':
$node = $params['a'];
$json = array('success' => $repmgr->stop_replication($node));
echo json_encode($json);
break;
case 'cleanup':
