$triggerIdsToUpdate[] = $triggerid;
}
}
$childTriggerIds = array_keys($db_triggers);
} while (!empty($childTriggerIds));
DB::update('triggers', array('values' => array('status' => $status), 'where' => array('triggerid' => $triggerIdsToUpdate)));
// if disable trigger, unknown event must be created
if ($status == TRIGGER_STATUS_DISABLED) {
$valueTriggerIds = array();
$db_triggers = DBselect('SELECT t.triggerid' . ' FROM triggers t,functions f,items i,hosts h' . ' WHERE t.triggerid=f.triggerid' . ' AND f.itemid=i.itemid' . ' AND i.hostid=h.hostid' . ' AND ' . dbConditionInt('t.triggerid', $triggerIdsToUpdate) . ' AND t.value_flags=' . TRIGGER_VALUE_FLAG_NORMAL . ' AND h.status IN (' . HOST_STATUS_MONITORED . ',' . HOST_STATUS_NOT_MONITORED . ')');
while ($row = DBfetch($db_triggers)) {
$valueTriggerIds[] = $row['triggerid'];
}
if (!empty($valueTriggerIds)) {
DB::update('triggers', array('values' => array('value_flags' => TRIGGER_VALUE_FLAG_UNKNOWN, 'error' => _('Trigger status became "Disabled".')), 'where' => array('triggerid' => $valueTriggerIds)));
addUnknownEvent($valueTriggerIds);
}
}
// get updated triggers with additional data
$db_triggers = API::Trigger()->get(array('triggerids' => $triggerIdsToUpdate, 'output' => array('triggerid', 'description'), 'preservekeys' => true, 'selectHosts' => API_OUTPUT_EXTEND, 'nopermissions' => true));
foreach ($db_triggers as $triggerid => $trigger) {
$host = reset($trigger['hosts']);
add_audit_ext(AUDIT_ACTION_UPDATE, AUDIT_RESOURCE_TRIGGER, $triggerid, $host['host'] . ': ' . $trigger['description'], 'triggers', $statusOld, $statusNew);
}
}
DBend(true);
} catch (Exception $e) {
DBend(false);
$go_result = false;
}
show_messages($go_result, _('Status updated'), _('Cannot update status'));
function updateTriggerValueToUnknownByHostId($hostids)
{
zbx_value2array($hostids);
$triggerids = array();
$result = DBselect('SELECT DISTINCT t.triggerid' . ' FROM hosts h,items i,functions f,triggers t' . ' WHERE h.hostid=i.hostid' . ' AND i.itemid=f.itemid' . ' AND f.triggerid=t.triggerid' . ' AND ' . dbConditionInt('h.hostid', $hostids) . ' AND h.status=' . HOST_STATUS_MONITORED . ' AND t.value_flags=' . TRIGGER_VALUE_FLAG_NORMAL);
while ($row = DBfetch($result)) {
$triggerids[] = $row['triggerid'];
}
if (!empty($triggerids)) {
DB::update('triggers', array('values' => array('value_flags' => TRIGGER_VALUE_FLAG_UNKNOWN, 'error' => _s('Host status became "%s"', _('Not monitored'))), 'where' => array('triggerid' => $triggerids)));
addUnknownEvent($triggerids);
}
return true;
}
/**
* @param $triggers
*/
protected function updateReal(array $triggers)
{
$triggers = zbx_toArray($triggers);
$infos = array();
$dbTriggers = $this->get(array('triggerids' => zbx_objectValues($triggers, 'triggerid'), 'output' => API_OUTPUT_EXTEND, 'selectHosts' => array('name'), 'selectDependencies' => API_OUTPUT_REFER, 'preservekeys' => true, 'nopermissions' => true));
$descriptionChanged = $expressionChanged = false;
foreach ($triggers as &$trigger) {
$dbTrigger = $dbTriggers[$trigger['triggerid']];
$hosts = zbx_objectValues($dbTrigger['hosts'], 'name');
if (isset($trigger['description']) && strcmp($dbTrigger['description'], $trigger['description']) != 0) {
$descriptionChanged = true;
} else {
$trigger['description'] = $dbTrigger['description'];
}
$expressionFull = explode_exp($dbTrigger['expression']);
if (isset($trigger['expression']) && strcmp($expressionFull, $trigger['expression']) != 0) {
$this->validateItems($trigger);
$expressionChanged = true;
$expressionFull = $trigger['expression'];
$trigger['error'] = 'Trigger expression updated. No status update so far.';
}
if ($expressionChanged) {
// check the expression
$expressionData = new CTriggerExpression();
if (!$expressionData->parse($expressionFull)) {
self::exception(ZBX_API_ERROR_PARAMETERS, $expressionData->error);
}
// if the trigger contains templates, delete any events that may exist
if ($this->expressionHasTemplates($expressionData)) {
DB::delete('events', array('object' => EVENT_OBJECT_TRIGGER, 'objectid' => $trigger['triggerid']));
}
DB::delete('functions', array('triggerid' => $trigger['triggerid']));
try {
$trigger['expression'] = implode_exp($expressionFull, $trigger['triggerid'], $hosts);
} catch (Exception $e) {
self::exception(ZBX_API_ERROR_PARAMETERS, _s('Cannot implode expression "%s".', $expressionFull) . ' ' . $e->getMessage());
}
if (isset($trigger['status']) && $trigger['status'] != TRIGGER_STATUS_ENABLED) {
if ($trigger['value_flags'] == TRIGGER_VALUE_FLAG_NORMAL) {
addUnknownEvent($trigger['triggerid']);
$trigger['value_flags'] = TRIGGER_VALUE_FLAG_UNKNOWN;
}
}
// if the expression has changed, we must revalidate the existing dependencies
if (!isset($trigger['dependencies'])) {
$trigger['dependencies'] = zbx_objectValues($dbTrigger['dependencies'], 'triggerid');
}
}
$triggerUpdate = $trigger;
if (!$descriptionChanged) {
unset($triggerUpdate['description']);
}
if (!$expressionChanged) {
unset($triggerUpdate['expression']);
}
DB::update('triggers', array('values' => $triggerUpdate, 'where' => array('triggerid' => $trigger['triggerid'])));
// update service status
if (isset($trigger['priority']) && $trigger['priority'] != $dbTrigger['priority']) {
$serviceStatus = $dbTrigger['value'] == TRIGGER_VALUE_TRUE ? $trigger['priority'] : 0;
updateServices($trigger['triggerid'], $serviceStatus);
}
// restore the full expression to properly validate dependencies
$trigger['expression'] = $expressionChanged ? explode_exp($trigger['expression']) : $expressionFull;
$infos[] = _s('Updated: Trigger "%1$s" on "%2$s".', $trigger['description'], implode(', ', $hosts));
add_audit_ext(AUDIT_ACTION_UPDATE, AUDIT_RESOURCE_TRIGGER, $dbTrigger['triggerid'], $dbTrigger['description'], null, $dbTrigger, $triggerUpdate);
}
unset($trigger);
foreach ($infos as $info) {
info($info);
}
}
