<?php
/*
** Zabbix
** Copyright (C) 2001-2022 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.
**/
/**
* Helper class that simplifies working with CMacrosResolver class.
*/
class CMacrosResolverHelper {
/**
* @var CMacrosResolver
*/
private static $macrosResolver;
/**
* Create CMacrosResolver object and store in static variable.
*
* @static
*/
private static function init() {
if (self::$macrosResolver === null) {
self::$macrosResolver = new CMacrosResolver();
}
}
/**
* Resolve macros.
*
* @static
*
* @param array $options
*
* @return array
*/
public static function resolve(array $options) {
self::init();
return self::$macrosResolver->resolve($options);
}
/**
* Resolve macros in http test name.
*
* @static
*
* @param int $hostId
* @param string $name
*
* @return string
*/
public static function resolveHttpTestName($hostId, $name) {
self::init();
$macros = self::$macrosResolver->resolve([
'config' => 'httpTestName',
'data' => [$hostId => [$name]]
]);
return $macros[$hostId][0];
}
/**
* Resolve macros in host interfaces.
*
* @static
*
* @param array $interfaces
* @param string $interfaces[n]['hostid']
* @param string $interfaces[n]['type']
* @param string $interfaces[n]['main']
* @param string $interfaces[n]['ip']
* @param string $interfaces[n]['dns']
* @param string $interfaces[n]['port']
* @param array $interfaces[n]['details'] (optional)
* @param string $interfaces[n]['details']['securityname'] (optional)
* @param string $interfaces[n]['details']['authpassphrase'] (optional)
* @param string $interfaces[n]['details']['privpassphrase'] (optional)
* @param string $interfaces[n]['details']['contextname'] (optional)
* @param string $interfaces[n]['details']['community'] (optional)
*
* @return array
*/
public static function resolveHostInterfaces(array $interfaces) {
self::init();
// agent primary ip and dns
$data = [];
foreach ($interfaces as $interface) {
if ($interface['type'] == INTERFACE_TYPE_AGENT && $interface['main'] == INTERFACE_PRIMARY) {
$data[$interface['hostid']][] = $interface['ip'];
$data[$interface['hostid']][] = $interface['dns'];
}
}
$resolvedData = self::$macrosResolver->resolve([
'config' => 'hostInterfaceIpDnsAgentPrimary',
'data' => $data
]);
foreach ($resolvedData as $hostId => $texts) {
$n = 0;
foreach ($interfaces as &$interface) {
if ($interface['type'] == INTERFACE_TYPE_AGENT && $interface['main'] == INTERFACE_PRIMARY
&& $interface['hostid'] == $hostId) {
$interface['ip'] = $texts[$n];
$n++;
$interface['dns'] = $texts[$n];
$n++;
}
}
unset($interface);
}
// others ip and dns
$data = [];
foreach ($interfaces as $interface) {
if (!($interface['type'] == INTERFACE_TYPE_AGENT && $interface['main'] == INTERFACE_PRIMARY)) {
$data[$interface['hostid']][] = $interface['ip'];
$data[$interface['hostid']][] = $interface['dns'];
}
}
$resolvedData = self::$macrosResolver->resolve([
'config' => 'hostInterfaceIpDns',
'data' => $data
]);
foreach ($resolvedData as $hostId => $texts) {
$n = 0;
foreach ($interfaces as &$interface) {
if (!($interface['type'] == INTERFACE_TYPE_AGENT && $interface['main'] == INTERFACE_PRIMARY)
&& $interface['hostid'] == $hostId) {
$interface['ip'] = $texts[$n];
$n++;
$interface['dns'] = $texts[$n];
$n++;
}
}
unset($interface);
}
// port
$data = [];
foreach ($interfaces as $interface) {
$data[$interface['hostid']][] = $interface['port'];
}
$resolvedData = self::$macrosResolver->resolve([
'config' => 'hostInterfacePort',
'data' => $data
]);
foreach ($resolvedData as $hostId => $texts) {
$n = 0;
foreach ($interfaces as &$interface) {
if ($interface['hostid'] == $hostId) {
$interface['port'] = $texts[$n];
$n++;
}
}
unset($interface);
}
// Interface details.
$data = [
'securityname' => [],
'authpassphrase' => [],
'privpassphrase' => [],
'contextname' => [],
'community' => []
];
foreach ($interfaces as $index => $interface) {
$hostid = $interface['hostid'];
if (array_key_exists('details', $interface)) {
if (array_key_exists('securityname', $interface['details'])) {
$data['securityname'][$hostid][$index] = $interface['details']['securityname'];
}
if (array_key_exists('authpassphrase', $interface['details'])) {
$data['authpassphrase'][$hostid][$index] = $interface['details']['authpassphrase'];
}
if (array_key_exists('privpassphrase', $interface['details'])) {
$data['privpassphrase'][$hostid][$index] = $interface['details']['privpassphrase'];
}
if (array_key_exists('contextname', $interface['details'])) {
$data['contextname'][$hostid][$index] = $interface['details']['contextname'];
}
if (array_key_exists('community', $interface['details'])) {
$data['community'][$hostid][$index] = $interface['details']['community'];
}
}
}
$resolved_securityname = self::$macrosResolver->resolve([
'config' => 'hostInterfaceDetailsSecurityname',
'data' => $data['securityname']
]);
$resolved_authpassphrase = self::$macrosResolver->resolve([
'config' => 'hostInterfaceDetailsAuthPassphrase',
'data' => $data['authpassphrase']
]);
$resolved_privpassphrase = self::$macrosResolver->resolve([
'config' => 'hostInterfaceDetailsPrivPassphrase',
'data' => $data['privpassphrase']
]);
$resolved_contextname = self::$macrosResolver->resolve([
'config' => 'hostInterfaceDetailsContextName',
'data' => $data['contextname']
]);
$resolved_community = self::$macrosResolver->resolve([
'config' => 'hostInterfaceDetailsCommunity',
'data' => $data['community']
]);
foreach ($interfaces as $index => $interface) {
$hostid = $interface['hostid'];
if (array_key_exists('details', $interface)) {
if (array_key_exists('securityname', $interface['details'])) {
$interfaces[$index]['details']['securityname'] = $resolved_securityname[$hostid][$index];
}
if (array_key_exists('authpassphrase', $interface['details'])) {
$interfaces[$index]['details']['authpassphrase'] = $resolved_authpassphrase[$hostid][$index];
}
if (array_key_exists('privpassphrase', $interface['details'])) {
$interfaces[$index]['details']['privpassphrase'] = $resolved_privpassphrase[$hostid][$index];
}
if (array_key_exists('contextname', $interface['details'])) {
$interfaces[$index]['details']['contextname'] = $resolved_contextname[$hostid][$index];
}
if (array_key_exists('community', $interface['details'])) {
$interfaces[$index]['details']['community'] = $resolved_community[$hostid][$index];
}
}
}
return $interfaces;
}
/**
* Resolve macros in trigger name.
*
* @static
*
* @param array $trigger
*
* @return string
*/
public static function resolveTriggerName(array $trigger) {
$triggers = self::resolveTriggerNames([$trigger['triggerid'] => $trigger]);
return $triggers[$trigger['triggerid']]['description'];
}
/**
* Resolve macros in trigger names.
*
* @static
*
* @param array $triggers
* @param bool $references_only
*
* @return array
*/
public static function resolveTriggerNames(array $triggers, $references_only = false) {
self::init();
return self::$macrosResolver->resolveTriggerNames($triggers, [
'references_only' => $references_only
]);
}
/**
* Resolve macros in trigger operational data.
*
* @static
*
* @param array $trigger
* @param string $trigger['expression']
* @param string $trigger['opdata']
* @param int $trigger['clock'] (optional)
* @param int $trigger['ns'] (optional)
* @param array $options
* @param bool $options['events'] (optional) Resolve {ITEM.VALUE} macro using 'clock' and 'ns' fields.
* Default: false.
* @param bool $options['html'] (optional) Default: false.
*
* @return string
*/
public static function resolveTriggerOpdata(array $trigger, array $options = []) {
$triggers = self::resolveTriggerDescriptions([$trigger['triggerid'] => $trigger],
$options + ['sources' => ['opdata']]
);
return $triggers[$trigger['triggerid']]['opdata'];
}
/**
* Resolve macros in trigger description.
*
* @static
*
* @param array $trigger
* @param string $trigger['expression']
* @param string $trigger['comments']
* @param int $trigger['clock'] (optional)
* @param int $trigger['ns'] (optional)
* @param array $options
* @param bool $options['events'] (optional) Resolve {ITEM.VALUE} macro using 'clock' and 'ns' fields.
* Default: false.
* @param bool $options['html'] (optional) Default: false.
*
* @return string
*/
public static function resolveTriggerDescription(array $trigger, array $options = []) {
$triggers = self::resolveTriggerDescriptions([$trigger['triggerid'] => $trigger],
$options + ['sources' => ['comments']]
);
return $triggers[$trigger['triggerid']]['comments'];
}
/**
* Resolve macros in trigger descriptions and operational data.
*
* @static
*
* @param array $triggers
* @param string $triggers[$triggerid]['expression']
* @param string $triggers[$triggerid][<sources>] See $options['sources'].
* @param int $triggers[$triggerid]['clock'] (optional)
* @param int $triggers[$triggerid]['ns'] (optional)
* @param array $options
* @param bool $options['events'] (optional) Resolve {ITEM.VALUE} macro using 'clock' and 'ns'
* fields. Default: false.
* @param bool $options['html'] (optional) Default: false.
* @param array $options['sources'] An array of trigger field names: 'comments', 'opdata'.
*
* @return array
*/
public static function resolveTriggerDescriptions(array $triggers, array $options = []) {
self::init();
$options += [
'events' => false,
'html' => false
];
return self::$macrosResolver->resolveTriggerDescriptions($triggers, $options);
}
/**
* Resolve macros in trigger url.
*
* @static
*
* @param array $trigger
* @param string $trigger['triggerid']
* @param string $trigger['expression']
* @param string $trigger['url']
* @param string $trigger['eventid']
* @param string $url
*
* @return bool
*/
public static function resolveTriggerUrl(array $trigger, &$url) {
self::init();
return self::$macrosResolver->resolveTriggerUrl($trigger, $url);
}
/**
* Resolve macros in trigger expression.
*
* @static
*
* @param string $expression
* @param array $options See CMacrosResolver::resolveTriggerExpressions() for more details.
* 'sources' is not supported here.
*
* @return string
*/
public static function resolveTriggerExpression($expression, array $options = []) {
self::init();
return self::$macrosResolver->resolveTriggerExpressions(
[['expression' => $expression]], $options
)[0]['expression'];
}
/**
* Resolve macros in trigger expressions.
*
* @static
*
* @param array $triggers
* @param array $options See CMacrosResolver::resolveTriggerExpressions() for more details.
*
* @return array
*/
public static function resolveTriggerExpressions(array $triggers, array $options = []) {
self::init();
return self::$macrosResolver->resolveTriggerExpressions($triggers, $options);
}
/**
* Resolve expression macros. For example, {?func(/host/key, param)} or {?func(/{HOST.HOST1}/key, param)}.
*
* @static
*
* @param string $name
* @param array $items
* @param string $items[]['hostid']
* @param string $items[]['host']
*
* @return string A graph name with resolved macros.
*/
public static function resolveGraphName($name, array $items) {
self::init();
return self::$macrosResolver->resolveGraphNames([['name' => $name, 'items' => $items]])[0]['name'];
}
/**
* Resolve expression macros. For example, {?func(/host/key, param)} or {?func(/{HOST.HOST1}/key, param)}.
*
* @static
*
* @param array $graphs
* @param string $graphs[]['graphid']
* @param string $graphs[]['name']
*
* @return array Inputted data with resolved graph name.
*/
public static function resolveGraphNameByIds(array $graphs) {
self::init();
$_graphs = [];
foreach ($graphs as $graph) {
// Skip graphs without expression macros.
if (strpos($graph['name'], '{?') !== false) {
$_graphs[$graph['graphid']] = [
'graphid' => $graph['graphid'],
'name' => $graph['name'],
'items' => []
];
}
}
if (!$_graphs) {
return $graphs;
}
$items = DBfetchArray(DBselect(
'SELECT gi.graphid,h.host'.
' FROM graphs_items gi,items i,hosts h'.
' WHERE gi.itemid=i.itemid'.
' AND i.hostid=h.hostid'.
' AND '.dbConditionInt('gi.graphid', array_keys($_graphs)).
' ORDER BY gi.sortorder'
));
foreach ($items as $item) {
$_graphs[$item['graphid']]['items'][] = ['host' => $item['host']];
}
$_graphs = self::$macrosResolver->resolveGraphNames($_graphs);
foreach ($graphs as &$graph) {
if (array_key_exists($graph['graphid'], $_graphs)) {
$graph['name'] = $_graphs[$graph['graphid']]['name'];
}
}
unset($graph);
return $graphs;
}
/**
* Resolve item key macros to "key_expanded" field.
*
* @static
*
* @param array $items
* @param string $items[n]['itemid']
* @param string $items[n]['hostid']
* @param string $items[n]['key_']
*
* @return array
*/
public static function resolveItemKeys(array $items) {
self::init();
return self::$macrosResolver->resolveItemKeys($items);
}
/**
* Resolve item description macros to "description_expanded" field.
*
* @static
*
* @param array $items
* @param string $items[n]['hostid']
* @param string $items[n]['description']
*
* @return array
*/
public static function resolveItemDescriptions(array $items): array {
self::init();
return self::$macrosResolver->resolveItemDescriptions($items);
}
/**
* Resolve single item widget description macros.
*
* @param array $items
* @param string $items[n]['hostid']
* @param string $items[n]['itemid']
* @param string $items[n]['name'] Field to resolve. Required.
*
* @return array Returns array of items with macros resolved.
*/
public static function resolveWidgetItemNames(array $items) {
self::init();
return self::$macrosResolver->resolveWidgetItemNames($items);
}
/**
* Resolve text-type column macros for top-hosts widget.
*
* @param array $columns
* @param array $items
*
* @return array
*/
public static function resolveWidgetTopHostsTextColumns(array $columns, array $items): array {
self::init();
return self::$macrosResolver->resolveWidgetTopHostsTextColumns($columns, $items);
}
/**
* Expand functional macros in given map link labels.
*
* @param array $links
* @param string $links[]['label']
* @param array $fields A mapping between source and destination fields.
*
* @return array
*/
public static function resolveMapLinkLabelMacros(array $links, array $fields = ['label' => 'label']): array {
self::init();
return self::$macrosResolver->resolveMapLinkLabelMacros($links, $fields);
}
/**
* Expand functional macros in given map shape labels.
*
* @param string $map_name
* @param array $shapes
* @param string $shapes[]['text']
* @param array $fields A mapping between source and destination fields.
*
* @return array
*/
public static function resolveMapShapeLabelMacros(string $map_name, array $shapes,
array $fields = ['text' => 'text']): array {
self::init();
return self::$macrosResolver->resolveMapShapeLabelMacros($map_name, $shapes, $fields);
}
/**
* Resolve macros in dashboard widget URL.
*
* @static
*
* @param array $widget
*
* @return string
*/
public static function resolveWidgetURL(array $widget) {
self::init();
$macros = self::$macrosResolver->resolve([
'config' => $widget['config'],
'data' => [
$widget['hostid'] => [
'url' => $widget['url']
]
]
]);
$macros = reset($macros);
return $macros['url'];
}
/**
* Resolve time unit macros.
*
* @static
*
* @param array $data
* @param array $field_names
*
* @return array
*/
public static function resolveTimeUnitMacros(array $data, array $field_names) {
self::init();
return self::$macrosResolver->resolveTimeUnitMacros($data, ['sources' => $field_names]);
}
/**
* Resolve supported macros used in map element label as well as in URL names and values.
*
* @static
*
* @param array $selements[]
* @param int $selements[]['elementtype'] Map element type.
* @param int $selements[]['elementsubtype'] Map element subtype.
* @param string $selements[]['label'] Map element label.
* @param array $selements[]['urls'] Map element urls.
* @param string $selements[]['urls'][]['name'] Map element url name.
* @param string $selements[]['urls'][]['url'] Map element url value.
* @param int | array $selements[]['elementid'] Element id linked to map element.
* @param array $options
* @param bool $options['resolve_element_urls'] Resolve macros in map element url name and value.
* @param bool $options['resolve_element_label'] Resolve macros in map element label.
*
* @return array
*/
public static function resolveMacrosInMapElements(array $selements, array $options) {
self::init();
return self::$macrosResolver->resolveMacrosInMapElements($selements, $options);
}
/**
* Set every trigger items array elements order by item usage order in trigger expression and recovery expression.
*
* @static
*
* @param array $triggers Array of triggers.
* @param string $triggers[]['expression'] Trigger expression used to define order of trigger items.
* @param string $triggers[]['recovery_expression'] Trigger expression used to define order of trigger items.
* @param array $triggers[]['items] Items to be sorted.
* @param string $triggers[]['items][]['itemid'] Item id.
*
* @return array
*/
public static function sortItemsByExpressionOrder(array $triggers) {
self::init();
return self::$macrosResolver->sortItemsByExpressionOrder($triggers);
}
/**
* Extract macros from properties used for preprocessing step test and find effective values.
*
* @param array $data
* @param string $data['steps'] Preprocessing steps details.
* @param string $data['steps'][]['params'] Preprocessing step parameters.
* @param string $data['steps'][]['error_handler_params] Preprocessing steps error handle parameters.
* @param string $data['delay'] Update interval value.
* @param array $data['supported_macros'] Supported macros.
* @param bool $data['support_lldmacros'] Either LLD macros need to be extracted.
* @param array $data['texts_support_macros'] List of texts potentially could contain macros.
* @param array $data['texts_support_user_macros'] List of texts potentially could contain user macros.
* @param array $data['texts_support_lld_macros'] List of texts potentially could contain LLD macros.
* @param int $data['hostid'] Hostid for which tested item belongs to.
* @param array $data['macros_values'] Values for supported macros.
*
* @return array
*/
public static function extractItemTestMacros(array $data) {
self::init();
return self::$macrosResolver->extractItemTestMacros($data);
}
/**
* Return associative array of urls with resolved {EVENT.TAGS.*} macro in form
* [<eventid> => ['urls' => [['url' => .. 'name' => ..], ..]]].
*
* @param array $events Array of event tags.
* @param string $events[<eventid>]['tags'][]['tag'] Event tag tag field value.
* @param string $events[<eventid>]['tags'][]['value'] Event tag value field value.
* @param array $urls Array of mediatype urls.
* @param string $urls[]['event_menu_url'] Media type url field value.
* @param string $urls[]['event_menu_name'] Media type url_name field value.
*
* @return array
*/
public static function resolveMediaTypeUrls(array $events, array $urls) {
self::init();
return self::$macrosResolver->resolveMediaTypeUrls($events, $urls);
}
}