PHP CMacrosResolverHelper::resolveTriggerExpression方法代码示例

 /**
  * Checks that none of the given triggers is inherited from a template.
  *
  * @throws APIException     if one of the triggers is inherited
  *
  * @param array $triggerIds
  */
 protected function checkNotInherited(array $triggerIds)
 {
     $trigger = DBfetch(DBselect('SELECT t.triggerid,t.description,t.expression' . ' FROM triggers t' . ' WHERE ' . dbConditionInt('t.triggerid', $triggerIds) . 'AND t.templateid IS NOT NULL', 1));
     if ($trigger) {
         self::exception(ZBX_API_ERROR_PARAMETERS, _s('Cannot delete templated trigger "%1$s:%2$s".', $trigger['description'], CMacrosResolverHelper::resolveTriggerExpression($trigger['expression'])));
     }
 }

 /**
  * Delete existing trigger prototypes.
  *
  * @see https://www.zabbix.com/documentation/3.0/manual/api/reference/triggerprototype/delete
  *
  * @param array $triggerPrototypeIds
  * @param bool  $nopermissions
  *
  * @throws APIException
  *
  * @return array
  */
 public function delete(array $triggerPrototypeIds, $nopermissions = false)
 {
     if (!$triggerPrototypeIds) {
         self::exception(ZBX_API_ERROR_PARAMETERS, _('Empty input parameter.'));
     }
     // TODO: remove $nopermissions hack
     if (!$nopermissions) {
         $dbTriggerPrototypes = $this->get(['triggerids' => $triggerPrototypeIds, 'output' => ['description', 'expression', 'templateid'], 'editable' => true, 'preservekeys' => true]);
         foreach ($triggerPrototypeIds as $triggerPrototypeId) {
             if (!isset($dbTriggerPrototypes[$triggerPrototypeId])) {
                 self::exception(ZBX_API_ERROR_PARAMETERS, _('No permissions to referred object or it does not exist!'));
             }
             $dbTriggerPrototype = $dbTriggerPrototypes[$triggerPrototypeId];
             if ($dbTriggerPrototype['templateid'] != 0) {
                 self::exception(ZBX_API_ERROR_PARAMETERS, _s('Cannot delete templated trigger "%1$s:%2$s".', $dbTriggerPrototype['description'], CMacrosResolverHelper::resolveTriggerExpression($dbTriggerPrototype['expression'])));
             }
         }
     }
     // get child trigger prototypes
     $parentTriggerPrototypeIds = $triggerPrototypeIds;
     do {
         $dbTriggerPrototypes = DBselect('SELECT triggerid' . ' FROM triggers' . ' WHERE ' . dbConditionInt('templateid', $parentTriggerPrototypeIds));
         $parentTriggerPrototypeIds = [];
         while ($dbTriggerPrototype = DBfetch($dbTriggerPrototypes)) {
             $parentTriggerPrototypeIds[] = $dbTriggerPrototype['triggerid'];
             $triggerPrototypeIds[$dbTriggerPrototype['triggerid']] = $dbTriggerPrototype['triggerid'];
         }
     } while ($parentTriggerPrototypeIds);
     // delete triggers created from this prototype
     $createdTriggerIds = DBfetchColumn(DBselect('SELECT triggerid' . ' FROM trigger_discovery' . ' WHERE ' . dbConditionInt('parent_triggerid', $triggerPrototypeIds)), 'triggerid');
     if ($createdTriggerIds) {
         API::Trigger()->delete($createdTriggerIds, true);
     }
     // select all trigger prototypes which are deleted (include children)
     $dbTriggerPrototypes = $this->get(['triggerids' => $triggerPrototypeIds, 'output' => ['triggerid', 'description', 'expression'], 'nopermissions' => true, 'preservekeys' => true, 'selectHosts' => ['name']]);
     // TODO: REMOVE info
     foreach ($dbTriggerPrototypes as $dbTriggerPrototype) {
         info(_s('Deleted: Trigger prototype "%1$s" on "%2$s".', $dbTriggerPrototype['description'], implode(', ', zbx_objectValues($dbTriggerPrototype['hosts'], 'name'))));
         add_audit_ext(AUDIT_ACTION_DELETE, AUDIT_RESOURCE_TRIGGER_PROTOTYPE, $dbTriggerPrototype['triggerid'], $dbTriggerPrototype['description'] . ':' . $dbTriggerPrototype['expression'], null, null, null);
     }
     DB::delete('triggers', ['triggerid' => $triggerPrototypeIds]);
     return ['triggerids' => $triggerPrototypeIds];
 }

        }
    }
}
//------------------------ <FORM> ---------------------------
if (hasRequest('sform')) {
    $widget = (new CWidget())->setTitle(_('Trigger'));
    $form = (new CForm())->setName('sform')->addVar('sform', '1')->addVar('itemid', $itemid);
    if (hasRequest('triggerid')) {
        $form->addVar('triggerid', getRequest('triggerid'));
    }
    $form_list = new CFormList();
    if (hasRequest('triggerid') && !hasRequest('form_refresh')) {
        $result = DBselect('SELECT t.expression,t.description,t.priority,t.comments,t.url,t.status,t.type' . ' FROM triggers t' . ' WHERE t.triggerid=' . zbx_dbstr(getRequest('triggerid')) . ' AND EXISTS (' . 'SELECT NULL' . ' FROM functions f,items i' . ' WHERE t.triggerid=f.triggerid' . ' AND f.itemid=i.itemid ' . ' AND i.value_type IN (' . ITEM_VALUE_TYPE_LOG . ',' . ITEM_VALUE_TYPE_TEXT . ',' . ITEM_VALUE_TYPE_STR . ')' . ')');
        if ($row = DBfetch($result)) {
            $description = $row['description'];
            $expression = CMacrosResolverHelper::resolveTriggerExpression($row['expression']);
            $type = $row['type'];
            $priority = $row['priority'];
            $comments = $row['comments'];
            $url = $row['url'];
            $status = $row['status'];
        }
        // break expression into parts
        $expressions = $constructor->getPartsFromExpression($expression);
    } else {
        $description = getRequest('description', '');
        $expressions = getRequest('expressions', []);
        $type = getRequest('type', 0);
        $priority = getRequest('priority', 0);
        $comments = getRequest('comments', '');
        $url = getRequest('url', '');

    if (!hasRequest('groupid')) {
        $_REQUEST['groupid'] = 0;
    }
} else {
    if ($source == EVENT_SOURCE_TRIGGERS) {
        // try to find matching trigger when host is changed
        // use the host ID from the page filter since it may not be present in the request
        // if all hosts are selected, preserve the selected trigger
        if ($triggerId != 0 && $pageFilter->hostid != 0) {
            $old_triggers = API::Trigger()->get(['output' => ['description', 'expression'], 'selectHosts' => ['hostid', 'host'], 'triggerids' => [$triggerId]]);
            $old_trigger = reset($old_triggers);
            $old_trigger['hosts'] = zbx_toHash($old_trigger['hosts'], 'hostid');
            // if the trigger doesn't belong to the selected host - find a new one on that host
            if (!array_key_exists($pageFilter->hostid, $old_trigger['hosts'])) {
                $triggerId = 0;
                $old_expression = CMacrosResolverHelper::resolveTriggerExpression($old_trigger['expression']);
                $new_triggers = API::Trigger()->get(['output' => ['triggerid', 'description', 'expression'], 'selectHosts' => ['hostid', 'host'], 'filter' => ['description' => $old_trigger['description']], 'hostids' => [$pageFilter->hostid]]);
                $new_triggers = CMacrosResolverHelper::resolveTriggerExpressions($new_triggers);
                foreach ($new_triggers as $new_trigger) {
                    $new_trigger['hosts'] = zbx_toHash($new_trigger['hosts'], 'hostid');
                    foreach ($old_trigger['hosts'] as $old_host) {
                        $new_expression = triggerExpressionReplaceHost($new_trigger['expression'], $new_trigger['hosts'][$pageFilter->hostid]['host'], $old_host['host']);
                        if ($old_expression === $new_expression) {
                            CProfile::update('web.events.filter.triggerid', $new_trigger['triggerid'], PROFILE_TYPE_ID);
                            $triggerId = $new_trigger['triggerid'];
                            break 2;
                        }
                    }
                }
            }
        }

 /**
  * Checks that no trigger with the same description and expression as $trigger exist on the given host.
  * Assumes the given trigger is valid.
  *
  * @throws APIException if at least one trigger exists
  *
  * @param array $trigger a trigger with an exploded expression
  * @param null  $hostid
  *
  * @return void
  */
 protected function checkIfExistsOnHost(array $trigger, $hostId = null)
 {
     // skip the check if the description and expression haven't been changed
     if (!isset($trigger['description']) && !isset($trigger['expression'])) {
         return;
     }
     // make sure we have all the required data
     if (!isset($trigger['description']) || !isset($trigger['expression'])) {
         $explodeExpression = !isset($trigger['expression']);
         $trigger = $this->extendObject($this->tableName(), $trigger, ['description', 'expression']);
         if ($explodeExpression) {
             $trigger['expression'] = CMacrosResolverHelper::resolveTriggerExpression($trigger['expression']);
         }
     }
     $filter = ['description' => $trigger['description']];
     if ($hostId) {
         $filter['hostid'] = $hostId;
     } else {
         $expressionData = new CTriggerExpression($trigger['expression']);
         $expressionData->parse($trigger['expression']);
         $expressionHosts = $expressionData->getHosts();
         $filter['host'] = reset($expressionHosts);
     }
     $triggers = $this->get(['filter' => $filter, 'output' => ['expression', 'triggerid'], 'nopermissions' => true]);
     $triggers = CMacrosResolverHelper::resolveTriggerExpressions($triggers);
     foreach ($triggers as $dbTrigger) {
         // check if the expressions are also equal and that this is a different trigger
         $differentTrigger = !isset($trigger['triggerid']) || !idcmp($trigger['triggerid'], $dbTrigger['triggerid']);
         if ($dbTrigger['expression'] === $trigger['expression'] && $differentTrigger) {
             $options = ['output' => ['name'], 'templated_hosts' => true, 'nopermissions' => true, 'limit' => 1];
             if (isset($filter['host'])) {
                 $options['filter'] = ['host' => $filter['host']];
             } else {
                 $options['hostids'] = $hostId;
             }
             $host = API::Host()->get($options);
             $host = reset($host);
             self::exception(ZBX_API_ERROR_PARAMETERS, _s('Trigger "%1$s" already exists on "%2$s".', $trigger['description'], $host['name']));
         }
     }
 }

function make_trigger_details($trigger)
{
    $hostNames = [];
    $config = select_config();
    $hostIds = zbx_objectValues($trigger['hosts'], 'hostid');
    $hosts = API::Host()->get(['output' => ['name', 'hostid', 'status'], 'hostids' => $hostIds, 'selectScreens' => API_OUTPUT_COUNT, 'selectGraphs' => API_OUTPUT_COUNT]);
    if (count($hosts) > 1) {
        order_result($hosts, 'name', ZBX_SORT_UP);
    }
    $scripts = API::Script()->getScriptsByHosts($hostIds);
    foreach ($hosts as $host) {
        $hostName = new CSpan($host['name'], ZBX_STYLE_LINK_ACTION);
        $hostName->setMenuPopup(CMenuPopupHelper::getHost($host, $scripts[$host['hostid']]));
        $hostNames[] = $hostName;
        $hostNames[] = ', ';
    }
    array_pop($hostNames);
    $expression = CMacrosResolverHelper::resolveTriggerExpression($trigger['expression'], ['html' => true, 'resolve_usermacros' => true, 'resolve_macros' => true]);
    $table = (new CTableInfo())->addRow([new CCol(_n('Host', 'Hosts', count($hosts))), new CCol($hostNames)])->addRow([new CCol(_('Trigger')), new CCol(CMacrosResolverHelper::resolveTriggerName($trigger))])->addRow([_('Severity'), getSeverityCell($trigger['priority'], $config)])->addRow([new CCol(_('Expression')), new CCol($expression)])->addRow([_('Event generation'), _('Normal') . (TRIGGER_MULT_EVENT_ENABLED == $trigger['type'] ? SPACE . '+' . SPACE . _('Multiple PROBLEM events') : '')])->addRow([_('Disabled'), TRIGGER_STATUS_ENABLED == $trigger['status'] ? (new CCol(_('No')))->addClass(ZBX_STYLE_GREEN) : (new CCol(_('Yes')))->addClass(ZBX_STYLE_RED)]);
    return $table;
}