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#11495 Create function for service level data

This commit is contained in:
miguel angel rasteu 2023-09-12 16:04:13 +02:00
parent 46442bac2c
commit 1247b5f695
1 changed files with 95 additions and 0 deletions
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95
pandora_console/include/functions_modules.php
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@ -4762,3 +4762,98 @@ function export_agents_module_csv($filters)
return $result;
}
/**
* Function to return Mean Time Between Failure, Mean Time To Solution (in seconds)
* and Availability of a module
*
* @param string $interval_start Start time of the interval.
*
* @param string $interval_end End time of the interval.
*
* @param string $id_agentmodule id_agentmodule of the module
*
* @return array Returns an array with the data
*/
function service_level_module_data($interval_start, $interval_end, $id_agentmodule)
{
$data = [];
$data['mtbf'] = false;
$data['mtrs'] = false;
$data['availability'] = false;
$interval_time = ($interval_end - $interval_start);
$current_time = time();
$sql = 'SELECT utimestamp, event_type FROM tevento
WHERE id_agentmodule = '.$id_agentmodule.'
AND utimestamp >= '.$interval_start.'
AND utimestamp <= '.$interval_end.'
ORDER BY utimestamp DESC';
$events_time = db_get_all_rows_sql($sql);
if ($events_time !== false && count($events_time) > 0) {
$failed_event = [];
$normal_event = [];
foreach ($events_time as $event) {
if ($event['event_type'] === 'going_up_critical') {
$failed_event[] = $event['utimestamp'];
}
if ($event['event_type'] === 'going_down_normal') {
$normal_event[] = $event['utimestamp'];
}
}
$mtrs_array = [];
if (empty($normal_event) === true) {
$mtrs_array[] = ($current_time - $failed_event[0]);
} else if (empty($failed_event) === true) {
$mtrs_array[] = 0;
} else {
foreach ($normal_event as $key => $value) {
if (($failed_event[$key] - $normal_event[$key]) < 0) {
$mtrs_array[] = ($normal_event[$key] - $failed_event[$key]);
} else {
$mtrs_array[] = ($failed_event[$key] - $normal_event[$key]);
}
}
}
$mtbf_array = [];
if (!empty($failed_event) === true) {
if (count($failed_event) > 1) {
for ($i = 1; $i <= array_key_last($failed_event); $i++) {
$mtbf_array[] = ($failed_event[($i - 1)] - $failed_event[$i]);
}
} else {
$mtbf_array[] = ($current_time - $failed_event[0]);
}
} else {
$mtbf_array[] = 0;
}
$total_time_failed = array_sum($mtbf_array);
$total_time_ok = ($interval_time - $total_time_failed);
if (count($events_time) === 1) {
if ($events_time[0]['event_type'] === 'going_up_critical') {
$availability = '0';
}
if ($events_time[0]['event_type'] === 'going_down_normal') {
$availability = '100';
}
} else {
$availability = round((($total_time_ok / $interval_time) * 100), 2);
}
$mtbf = round(( $total_time_failed / count($mtbf_array)));
$mtrs = round((array_sum($mtrs_array) / count($mtrs_array)));
$data['mtbf'] = $mtbf;
$data['mtrs'] = $mtrs;
$data['availability'] = $availability;
}
return $data;
}