/**
* Delete trigger dependencis
*
* @param _array $triggersData multidimensional array with trigger objects
* @param array $triggers[0,...]['triggerid']
* @return boolean
*/
public static function deleteDependencies($triggersData)
{
$triggersData = zbx_toArray($triggersData);
$triggerids = array();
foreach ($triggersData as $num => $trigger) {
$triggerids[] = $trigger['triggerid'];
}
try {
self::BeginTransaction(__METHOD__);
$result = delete_dependencies_by_triggerid($triggerids);
if (!$result) {
self::exception(ZBX_API_ERROR_PARAMETERS, 'Cannot delete dependency');
}
self::EndTransaction(true, __METHOD__);
return array('triggerids' => zbx_objectValues($triggersData, 'triggerid'));
} catch (APIException $e) {
self::EndTransaction(false, __METHOD__);
$error = $e->getErrors();
$error = reset($error);
self::setError(__METHOD__, $e->getCode(), $error);
return false;
}
}
function update_trigger($triggerid, $expression = NULL, $description = NULL, $type = NULL, $priority = NULL, $status = NULL, $comments = NULL, $url = NULL, $deps = array(), $templateid = 0)
{
$trigger = get_trigger_by_triggerid($triggerid);
$trig_hosts = get_hosts_by_triggerid($triggerid);
$trig_host = DBfetch($trig_hosts);
$event_to_unknown = false;
if (is_null($expression)) {
/* Restore expression */
$expression = explode_exp($trigger["expression"], 0);
} else {
if ($expression != explode_exp($trigger["expression"], 0)) {
$event_to_unknown = true;
}
}
if (!validate_expression($expression)) {
return false;
}
$exp_hosts = get_hosts_by_expression($expression);
if ($exp_hosts) {
$chd_hosts = get_hosts_by_templateid($trig_host["hostid"]);
if (DBfetch($chd_hosts)) {
$exp_host = DBfetch($exp_hosts);
$db_chd_triggers = get_triggers_by_templateid($triggerid);
while ($db_chd_trigger = DBfetch($db_chd_triggers)) {
$chd_trig_hosts = get_hosts_by_triggerid($db_chd_trigger["triggerid"]);
$chd_trig_host = DBfetch($chd_trig_hosts);
$newexpression = str_replace("{" . $exp_host["host"] . ":", "{" . $chd_trig_host["host"] . ":", $expression);
// recursion
update_trigger($db_chd_trigger["triggerid"], $newexpression, $description, $type, $priority, NULL, $comments, $url, replace_template_dependencies($deps, $chd_trig_host['hostid']), $triggerid);
}
}
}
$result = delete_function_by_triggerid($triggerid);
if (!$result) {
return $result;
}
$expression = implode_exp($expression, $triggerid);
/* errors can be ignored cose function must return NULL */
if ($event_to_unknown) {
add_event($triggerid, TRIGGER_VALUE_UNKNOWN);
}
reset_items_nextcheck($triggerid);
$sql = "UPDATE triggers SET";
if (!is_null($expression)) {
$sql .= ' expression=' . zbx_dbstr($expression) . ',';
}
if (!is_null($description)) {
$sql .= ' description=' . zbx_dbstr($description) . ',';
}
if (!is_null($type)) {
$sql .= ' type=' . $type . ',';
}
if (!is_null($priority)) {
$sql .= ' priority=' . $priority . ',';
}
if (!is_null($status)) {
$sql .= ' status=' . $status . ',';
}
if (!is_null($comments)) {
$sql .= ' comments=' . zbx_dbstr($comments) . ',';
}
if (!is_null($url)) {
$sql .= ' url=' . zbx_dbstr($url) . ',';
}
if (!is_null($templateid)) {
$sql .= ' templateid=' . $templateid . ',';
}
$sql .= ' value=2 WHERE triggerid=' . $triggerid;
$result = DBexecute($sql);
delete_dependencies_by_triggerid($triggerid);
foreach ($deps as $id => $triggerid_up) {
if (!($result2 = add_trigger_dependency($triggerid, $triggerid_up))) {
error(S_INCORRECT_DEPENDENCY . ' [' . expand_trigger_description($triggerid_up) . ']');
}
$result &= $result2;
}
if ($result) {
$trig_hosts = get_hosts_by_triggerid($triggerid);
$msg = "Trigger '" . $trigger["description"] . "' updated";
$trig_host = DBfetch($trig_hosts);
if ($trig_host) {
$msg .= " for host '" . $trig_host["host"] . "'";
}
info($msg);
}
if ($result) {
$trigger_new = get_trigger_by_triggerid($triggerid);
add_audit_ext(AUDIT_ACTION_UPDATE, AUDIT_RESOURCE_TRIGGER, $triggerid, $trigger["description"], 'triggers', $trigger, $trigger_new);
}
return $result;
}
function replace_triggers_depenedencies($new_triggerids)
{
$old_triggerids = array_keys($new_triggerids);
$deps = array();
$res = DBselect('SELECT * FROM trigger_depends WHERE ' . DBcondition('triggerid_up', $old_triggerids));
while ($db_dep = DBfetch($res)) {
$deps[$db_dep['triggerid_up']] = $db_dep['triggerid_down'];
}
delete_dependencies_by_triggerid($deps);
foreach ($new_triggerids as $old_triggerid => $newtriggerid) {
if (isset($deps[$old_triggerid])) {
insert_dependency($deps[$old_triggerid], $newtriggerid);
}
}
}
