Add metrics_cache.json to gitignore and implement cache fallback logic
The commit adds metrics_cache.json to .gitignore and implements cache fallback logic in index.php for handling metric values.
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parent
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commit
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1
.gitignore
vendored
1
.gitignore
vendored
@ -1,3 +1,4 @@
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config.php
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config.php
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vendor/
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vendor/
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twig_cache/
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twig_cache/
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metrics_cache.json
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26
index.php
26
index.php
@ -1,6 +1,11 @@
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<?php
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<?php
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require 'vendor/autoload.php';
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require 'vendor/autoload.php';
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require 'config.php';
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require 'config.php';
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if(file_exists('metrics_cache.json')) {
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$oldconfig = json_decode(file_get_contents('metrics_cache.json'), true);
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} else {
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$oldconfig = [];
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}
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if(php_sapi_name() == 'cli' || $_SERVER["REQUEST_URI"] == '/metrics') {
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if(php_sapi_name() == 'cli' || $_SERVER["REQUEST_URI"] == '/metrics') {
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header('Content-Type: text/plain; version=0.0.4');
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header('Content-Type: text/plain; version=0.0.4');
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@ -8,7 +13,7 @@ if(php_sapi_name() == 'cli' || $_SERVER["REQUEST_URI"] == '/metrics') {
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if (!isset($metric['submetrics'])) {
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if (!isset($metric['submetrics'])) {
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$metric['submetrics'] = [$metric];
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$metric['submetrics'] = [$metric];
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}
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}
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foreach ($metric['submetrics'] as $key => &$submetric) {
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foreach ($metric['submetrics'] as $subkey => &$submetric) {
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if (isset($submetric['command'])) {
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if (isset($submetric['command'])) {
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$output = null;
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$output = null;
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@ -70,8 +75,27 @@ if(php_sapi_name() == 'cli' || $_SERVER["REQUEST_URI"] == '/metrics') {
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}
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}
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if (is_bool($submetric['value'])) $submetric['value'] = $submetric['value'] ? 1 : 0;
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if (is_bool($submetric['value'])) $submetric['value'] = $submetric['value'] ? 1 : 0;
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if(!empty($oldconfig) && empty($submetric['value']) && (isset($submetric['fallback']) && !empty($submetric['fallback']))) {
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if(time() < ($oldconfig[$key]['submetrics'][$subkey]['time'] + $submetric['fallback']['maxage'])) {
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if($submetric['fallback']['type'] == 'previous') {
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$submetric['value'] = $oldconfig[$key]['submetrics'][$subkey]['value'];
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} elseif ($submetric['fallback']['type'] == 'static') {
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$submetric['value'] = $submetric['fallback']['value'];
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}
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$submetric['time'] = $oldconfig[$key]['submetrics'][$subkey]['time'];
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} else {
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$submetric['value'] = '';
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$submetric['time'] = 0;
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}
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} else {
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$submetric['time'] = time();
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}
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}
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}
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}
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}
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file_put_contents('metrics_cache.json', json_encode($config, JSON_PRETTY_PRINT));
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$loader = new \Twig\Loader\FilesystemLoader('templates');
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$loader = new \Twig\Loader\FilesystemLoader('templates');
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$twig = new \Twig\Environment($loader, [
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$twig = new \Twig\Environment($loader, [
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