/**
* Returns value for server role loadbar (thermometr)
* @param $hostname
* @param $roleId
* @return bool|float
* @throws \Bitrix\Main\ArgumentNullException
* @throws \Exception
* @throws \Bitrix\Main\IO\FileNotFoundException
*/
public static function getLoadBarValue($hostname, $roleId)
{
if (!extension_loaded('rrd')) {
throw new \Exception("Extension rrd not loaded!");
}
if (strlen($hostname) <= 0) {
throw new \Bitrix\Main\ArgumentNullException("hostname");
}
if (strlen($roleId) <= 0) {
throw new \Bitrix\Main\ArgumentNullException("roleId");
}
$role = RolesData::getRole($roleId);
if (empty($role)) {
throw new \Exception("Role with id = " . $roleId . " was not defined.");
}
if (!isset($role["LOADBAR_INFO"]) || strlen($role["LOADBAR_INFO"]) <= 0) {
throw new \Exception("Role " . $roleId . " has no correctly defined LOADBAR_INFO param .");
}
$rrdFile = str_replace('##HOSTNAME##', $hostname, $role["LOADBAR_INFO"]);
$rrdPath = "/var/lib/munin/" . $hostname . "/" . $rrdFile;
$file = new \Bitrix\Main\IO\File($rrdPath);
if (!$file->isExists()) {
throw new \Bitrix\Main\IO\FileNotFoundException($rrdPath);
}
$data = \rrd_lastupdate($rrdPath);
$result = static::extractRrdValue($data);
return $result;
}
public function getLast($datasource)
{
$data = rrd_lastupdate($this->rrd_file);
if (empty($data) || !isset($data['ds_navm']) || !isset($data['data'])) {
return NAN;
}
$found = -1;
for ($i = 0; $i < count($data['ds_navm']); $i++) {
if ($data['ds_navm'][$i] == $datasource) {
$found = $i;
}
}
if ($found == -1) {
// not found
return NAN;
}
if (count($data['data']) < $found) {
return NAN;
}
return $data['data'][$found];
}
if (!file_exists($cfgfile)) {
echo "Copy config.php.dist to config.php and adjust it\n";
exit(1);
}
require $cfgfile;
if (!function_exists('rrd_lastupdate')) {
echo "rrd PHP extension is missing\n";
exit(2);
}
if (!is_array($filetemplate)) {
$filetemplate = array_combine(array_keys($names), array_fill(0, count($names), $filetemplate));
}
$data = array();
foreach ($names as $id => $name) {
$data[$id]['name'] = $name;
foreach (array('humidity', 'temperature') as $item) {
$lu = rrd_lastupdate(str_replace(array('{item}', '{id}'), array($item, $id), $filetemplate[$id]));
if ($lu === false) {
throw new Exception(rrd_error());
}
$data[$id][$item] = reset($lu['data']);
}
}
foreach (glob(__DIR__ . '/templates/*.php') as $tplfile) {
$outfile = $outdir . basename($tplfile, '.php');
ob_start();
include $tplfile;
$content = ob_get_contents();
ob_end_clean();
file_put_contents($outfile, $content);
}