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index.php
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index.php
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<?php
/**
This is the main file.
It returns an json Object when requested per jsonp or some debug output else.
PHP version 5
@category Main_File
@package Default
@author Philip Griesbacher <griesbacher@consol.de>
@license http://opensource.org/licenses/gpl-license.php GNU Public License
@link https://github.com/ConSol/histou
**/
require_once('histou/bootstrap.php');
set_error_handler(
function ($errno, $errstr, $errfile, $errline, $errcontext = null) {
// error was suppressed with the @-operator
if (0 === error_reporting()) {
return false;
}
throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
}
);
//Set path to config file and parse it
if(isset($_SERVER['OMD_ROOT'])){
$ini_path = $_SERVER['OMD_ROOT'].'/etc/histou/histou.ini';
}
else{
$ini_path = 'histou.ini';
}
\histou\Basic::parsIni($ini_path);
//Parse commandline and get parameter
\histou\Basic::parsArgs();
//Test config
$returnCode = \histou\Basic::testConfig();
if (isset($returnCode) && $returnCode != 0){
exit($returnCode);
}
header("access-control-allow-origin: *");
//Disable warnings
//error_reporting(E_ALL ^ E_WARNING);
//error_reporting(0);
ini_set('default_socket_timeout', DEFAULT_SOCKET_TIMEOUT);
$perfData = array('host' => HOST, 'service' => SERVICE);
if (!\histou\Basic::$disablePerfdataLookup){
// database load perfdata
$database = null;
if (DATABASE_TYPE == INFLUXDB) {
$database = new \histou\database\Influxdb(URL);
}elseif(DATABASE_TYPE == VICTORIAMETRICS){
$database = new \histou\database\Victoriametrics(URL);
}else{
\histou\Basic::returnData(\histou\Debug::errorMarkdownDashboard('# Unsupported database'), 1);
}
$request = $database->fetchPerfData();
if (empty($request)) {
\histou\Basic::returnData(\histou\Debug::errorMarkdownDashboard('# Database not reachable or empty result'), 1);
exit(0);
}
if(empty($request['data']) && empty($request['series'])) {
\histou\Basic::returnData(\histou\Debug::errorMarkdownDashboard("# Error: result does not contain data\n```".print_r($request, true)), 1);
exit(0);
}
\histou\Debug::add('request out: '. print_r ($request,true)."\n");
$perfData = $database->filterPerfdata(
$request,
HOST,
SERVICE
);
$perfDataSize = 0;
if(is_array($perfData)) {
$perfDataSize = sizeof($perfData);
}
if ($perfDataSize < 4) {
if ($perfDataSize == 1) {
\histou\Basic::returnData(\histou\Debug::errorMarkdownDashboard('# Database Error: '.$perfData), 1);
exit(1);
} else {
\histou\Basic::returnData(\histou\Debug::errorMarkdownDashboard("# Host / Service not found in Database\n```".print_r ($request,true)), 1);
exit(1);
}
}
}
// load templates
$templateFiles = \histou\Folder::loadFolders(
array(CUSTOM_TEMPLATE_FOLDER, DEFAULT_TEMPLATE_FOLDER)
);
$templateCache = new \histou\template\cache('templates');
$templates = $templateCache->loadTemplates($templateFiles, '\histou\template\loader::loadTemplate');
if (sizeof($templates) == 0) {
\histou\Basic::returnData(\histou\Debug::errorMarkdownDashboard('# Could not load templates!'), 1);
exit(1);
}
if (\histou\Basic::$specificTemplate == ""){
// search for the best
//save databaseresult to rule
\histou\template\Rule::setCheck(
$perfData['host'],
$perfData['service'],
$perfData['command'],
array_keys($perfData['perfLabel'])
);
usort($templates, '\histou\template\Template::compare');
$valid = $templates[0]->isValid();
\histou\Debug::add("Template order:");
foreach ($templates as $template) {
\histou\Debug::add($template);
}
\histou\Debug::add("Is the first template valid: ".\histou\Debug::printBoolean($valid)."\n");
\histou\Debug::add("Data: ".print_r($perfData, true));
if ($valid) {
$template = $templates[0];
} else {
$template = \histou\template\Template::findDefaultTemplate($templates, 'default.php');
}
}else{
// find the one
$template = \histou\template\Template::findDefaultTemplate($templates, \histou\Basic::$specificTemplate);
}
// load ForecastTemplates
$forecastTemplateFiles = \histou\Folder::loadFolders(
array(FORECAST_TEMPLATE_FOLDER)
);
$forcastTemplateCache = new \histou\template\cache('forecast');
$forecastTemplates = $forcastTemplateCache->loadTemplates($forecastTemplateFiles, '\histou\template\loader::loadForecastTemplate');
usort($forecastTemplates, '\histou\template\Template::compare');
$fValid = !empty($forecastTemplates) && $forecastTemplates[0]->isValid();
\histou\Debug::add("ForecastTemplate order:");
foreach ($forecastTemplates as $ftemplate) {
\histou\Debug::add($ftemplate);
}
\histou\Debug::add("Is the first ForecastTemplate valid: ".\histou\Debug::printBoolean($fValid)."\n");
if ($fValid) {
$forecastTemplate = $forecastTemplates[0];
$className = get_class($forecastTemplate);
if ($className == 'histou\template\Rule') {
$forecast = \histou\template\loader::loadForecastTemplate($forecastTemplate->getFileName(), true);
}
if (isset($forecast)) {
$forecast->setForecastDurations();
}
}
if (isset($template) && !empty($template)) {
$className = get_class($template);
if ($className == 'histou\template\Rule') {
$dashboard = \histou\template\loader::loadTemplate($template->getFileName(), true)->generateDashboard($perfData);
} elseif ($className == 'histou\template\Template' || $className == 'histou\template\SimpleTemplate') {
$dashboard = $template->generateDashboard($perfData);
} else {
\histou\Basic::returnData(\histou\Debug::errorMarkdownDashboard("# unkown class $className"), 1);
}
if ($dashboard == null) {
\histou\Basic::returnData(\histou\Debug::errorMarkdownDashboard('# Template did not return a dashboard!'), 1);
} else {
\histou\Basic::returnData($dashboard, 0);
}
} else {
\histou\Basic::returnData(\histou\Debug::errorMarkdownDashboard('# No template found!'), 1);
}