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Use one sql query to fetch device alert rules (#8391)

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* Use one sql query to fetch device alert rules
Rename $device to $device_id to avoid confusion.  I didn't see any variable collisions.

* don't return disabled rules

* remove semi-colin
This commit is contained in:
Tony Murray
2018-03-15 11:03:45 -05:00
committed by Neil Lathwood
parent aec567f890
commit 72752fa2d0
2 changed files with 28 additions and 29 deletions
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56
includes/alerts.inc.php
View File

@@ -130,20 +130,18 @@ function RunMacros($rule, $x = 1)
/**
* Get Alert-Rules for Devices
* @param int $device Device-ID
* @param int $device_id Device-ID
* @return array
*/
function GetRules($device)
function GetRules($device_id)
{
$groups = GetGroupsFromDevice($device);
$params = array($device, $device);
$where = "";
foreach ($groups as $group) {
$where .= " || group_id = ?";
$params[] = $group;
}
$query = "SELECT DISTINCT a.* FROM alert_rules a
LEFT JOIN alert_device_map d ON a.id=d.rule_id
LEFT JOIN alert_group_map g ON a.id=g.rule_id
LEFT JOIN device_group_device dg ON g.group_id=dg.device_group_id
WHERE a.disabled = 0 AND ((d.device_id IS NULL AND g.group_id IS NULL) OR d.device_id=? OR dg.device_id=?)";
$query = "SELECT DISTINCT a.* FROM alert_rules a LEFT JOIN alert_device_map d ON a.id=d.rule_id LEFT JOIN alert_group_map g ON a.id=g.rule_id WHERE a.disabled = 0 AND ((d.device_id=? OR d.device_id IS NULL) $where)";
$params = [$device_id, $device_id];
return dbFetchRows($query, $params);
}
@@ -165,16 +163,16 @@ function IsMaintenance($device)
}
/**
* Run all rules for a device
* @param int $device Device-ID
* @param int $device_id Device-ID
* @return void
*/
function RunRules($device)
function RunRules($device_id)
{
if (IsMaintenance($device) > 0) {
if (IsMaintenance($device_id) > 0) {
echo "Under Maintenance, Skipping alerts.\r\n";
return false;
}
foreach (GetRules($device) as $rule) {
foreach (GetRules($device_id) as $rule) {
c_echo('Rule %p#'.$rule['id'].' (' . $rule['name'] . '):%n ');
$extra = json_decode($rule['extra'], true);
if (isset($extra['invert'])) {
@@ -183,12 +181,12 @@ function RunRules($device)
$inv = false;
}
d_echo(PHP_EOL);
$chk = dbFetchRow("SELECT state FROM alerts WHERE rule_id = ? && device_id = ? ORDER BY id DESC LIMIT 1", array($rule['id'], $device));
$chk = dbFetchRow("SELECT state FROM alerts WHERE rule_id = ? && device_id = ? ORDER BY id DESC LIMIT 1", array($rule['id'], $device_id));
if (empty($rule['query'])) {
$rule['query'] = GenSQL($rule['rule'], $rule['builder']);
}
$sql = $rule['query'];
$qry = dbFetchRows($sql, array($device));
$qry = dbFetchRows($sql, array($device_id));
$cnt = count($qry);
for ($i = 0; $i < $cnt; $i++) {
if (isset($qry[$i]['ip'])) {
@@ -212,7 +210,7 @@ function RunRules($device)
c_echo('Status: %bNOCHG');
// NOCHG here doesn't mean no change full stop. It means no change to the alert state
// So we update the details column with any fresh changes to the alert output we might have.
$alert_log = dbFetchRow('SELECT alert_log.id, alert_log.details FROM alert_log,alert_rules WHERE alert_log.rule_id = alert_rules.id && alert_log.device_id = ? && alert_log.rule_id = ? && alert_rules.disabled = 0 ORDER BY alert_log.id DESC LIMIT 1', array($device, $rule['id']));
$alert_log = dbFetchRow('SELECT alert_log.id, alert_log.details FROM alert_log,alert_rules WHERE alert_log.rule_id = alert_rules.id && alert_log.device_id = ? && alert_log.rule_id = ? && alert_rules.disabled = 0 ORDER BY alert_log.id DESC LIMIT 1', array($device_id, $rule['id']));
$details = json_decode(gzuncompress($alert_log['details']), true);
$details['contacts'] = GetContacts($qry);
$details['rule'] = $qry;
@@ -220,9 +218,9 @@ function RunRules($device)
dbUpdate(array('details' => $details), 'alert_log', 'id = ?', array($alert_log['id']));
} else {
$extra = gzcompress(json_encode(array('contacts' => GetContacts($qry), 'rule'=>$qry)), 9);
if (dbInsert(array('state' => 1, 'device_id' => $device, 'rule_id' => $rule['id'], 'details' => $extra), 'alert_log')) {
if (!dbUpdate(array('state' => 1, 'open' => 1), 'alerts', 'device_id = ? && rule_id = ?', array($device,$rule['id']))) {
dbInsert(array('state' => 1, 'device_id' => $device, 'rule_id' => $rule['id'], 'open' => 1,'alerted' => 0), 'alerts');
if (dbInsert(array('state' => 1, 'device_id' => $device_id, 'rule_id' => $rule['id'], 'details' => $extra), 'alert_log')) {
if (!dbUpdate(array('state' => 1, 'open' => 1), 'alerts', 'device_id = ? && rule_id = ?', array($device_id,$rule['id']))) {
dbInsert(array('state' => 1, 'device_id' => $device_id, 'rule_id' => $rule['id'], 'open' => 1,'alerted' => 0), 'alerts');
}
c_echo(PHP_EOL . 'Status: %rALERT');
}
@@ -231,9 +229,9 @@ function RunRules($device)
if ($chk['state'] === "0") {
c_echo('Status: %bNOCHG');
} else {
if (dbInsert(array('state' => 0, 'device_id' => $device, 'rule_id' => $rule['id']), 'alert_log')) {
if (!dbUpdate(array('state' => 0, 'open' => 1), 'alerts', 'device_id = ? && rule_id = ?', array($device,$rule['id']))) {
dbInsert(array('state' => 0, 'device_id' => $device, 'rule_id' => $rule['id'], 'open' => 1, 'alerted' => 0), 'alerts');
if (dbInsert(array('state' => 0, 'device_id' => $device_id, 'rule_id' => $rule['id']), 'alert_log')) {
if (!dbUpdate(array('state' => 0, 'open' => 1), 'alerts', 'device_id = ? && rule_id = ?', array($device_id,$rule['id']))) {
dbInsert(array('state' => 0, 'device_id' => $device_id, 'rule_id' => $rule['id'], 'open' => 1, 'alerted' => 0), 'alerts');
}
c_echo(PHP_EOL . 'Status: %gOK');
}
@@ -613,20 +611,20 @@ function ClearStaleAlerts()
/**
* Re-Validate Rule-Mappings
* @param integer $device Device-ID
* @param integer $device_id Device-ID
* @param integer $rule Rule-ID
* @return boolean
*/
function IsRuleValid($device, $rule)
function IsRuleValid($device_id, $rule)
{
global $rulescache;
if (empty($rulescache[$device]) || !isset($rulescache[$device])) {
foreach (GetRules($device) as $chk) {
$rulescache[$device][$chk['id']] = true;
if (empty($rulescache[$device_id]) || !isset($rulescache[$device_id])) {
foreach (GetRules($device_id) as $chk) {
$rulescache[$device_id][$chk['id']] = true;
}
}
if ($rulescache[$device][$rule] === true) {
if ($rulescache[$device_id][$rule] === true) {
return true;
}

1
includes/dbFacile.php
View File

@@ -101,6 +101,7 @@ function dbQuery($sql, $parameters = array())
$fullSql = dbMakeQuery($sql, $parameters);
if ($debug) {
if (php_sapi_name() == 'cli' && empty($_SERVER['REMOTE_ADDR'])) {
$fullSql = str_replace(PHP_EOL, '', $fullSql);
if (preg_match('/(INSERT INTO `alert_log`).*(details)/i', $fullSql)) {
echo "\nINSERT INTO `alert_log` entry masked due to binary data\n";
} else {