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<?php
/*
** Zabbix
** Copyright (C) 2001-2021 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
/**
* Converter for converting import data from 4.0 to 4.2
*/
class C40ImportConverter extends CConverter {
public function convert($data) {
$data['zabbix_export']['version'] = '4.2';
if (array_key_exists('hosts', $data['zabbix_export'])) {
$data['zabbix_export']['hosts'] = $this->convertHosts($data['zabbix_export']['hosts']);
}
if (array_key_exists('templates', $data['zabbix_export'])) {
$data['zabbix_export']['templates'] = $this->convertHosts($data['zabbix_export']['templates']);
}
return $data;
}
/**
* Convert hosts.
*
* @param array $hosts
*
* @return array
*/
protected function convertHosts(array $hosts) {
foreach ($hosts as &$host) {
$host['tags'] = [];
if (array_key_exists('items', $host)) {
$host['items'] = $this->convertItems($host['items']);
}
if (array_key_exists('discovery_rules', $host)) {
$host['discovery_rules'] = $this->convertDiscoveryRules($host['discovery_rules']);
}
}
unset($host);
return $hosts;
}
/**
* Convert item elements.
*
* @param array $items
*
* @return array
*/
protected function convertItems(array $items) {
foreach ($items as &$item) {
if (array_key_exists('preprocessing', $item)) {
$item['preprocessing'] = $this->convertItemPreprocessingSteps($item['preprocessing']);
}
}
unset($item);
return $items;
}
/**
* Convert discovery rule elements.
*
* @param array $discovery_rules
*
* @return array
*/
protected function convertDiscoveryRules(array $discovery_rules) {
$default = $this->getDiscoveryRuleDefaultFields();
foreach ($discovery_rules as &$discovery_rule) {
$discovery_rule += $default;
$discovery_rule['item_prototypes'] = $this->convertItems($discovery_rule['item_prototypes']);
$discovery_rule['master_item'] = [];
}
unset($discovery_rule);
return $discovery_rules;
}
/**
* Convert item preprocessing step elements.
*
* @param array $preprocessing_steps
*
* @return array
*/
protected function convertItemPreprocessingSteps(array $preprocessing_steps) {
$default = [
'error_handler' => DB::getDefault('item_preproc', 'error_handler'),
'error_handler_params' => DB::getDefault('item_preproc', 'error_handler_params')
];
foreach ($preprocessing_steps as &$preprocessing_step) {
$preprocessing_step += $default;
}
unset($preprocessing_step);
return $preprocessing_steps;
}
/**
* Return associative array of LLD rule default fields.
*
* @return array
*/
protected function getDiscoveryRuleDefaultFields() {
return [
'lld_macro_paths' => [],
'preprocessing' => []
];
}
}
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