PHP code example of renoki-co / laravel-exporter-contracts

1. Go to this page and download the library: Download renoki-co/laravel-exporter-contracts library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

renoki-co / laravel-exporter-contracts example snippets


use RenokiCo\LaravelExporter\GaugeMetric;

class DatabaseUsers extends GaugeMetric
{
    /**
     * Get the metric help.
     *
     * @return string
     */
    protected function help(): string
    {
        return 'Get the total amount of users.';
    }

    /**
     * Perform the update call on the collector.
     * Optional, as some metrics can be modified somewhere else.
     *
     * @return void
     */
    public function update(): void
    {
        $this->set(User::count());
    }
}

use RenokiCo\LaravelExporter\Exporter;

class AppServiceProvider extends ServiceProvider
{
    public function boot()
    {
        Exporter::register(DatabaseUsers::class);
    }

    // ...
}

class DatabaseRecords extends GaugeMetric
{
    /**
     * Define the default labels with their values.
     *
     * @return array
     */
    protected function defaultLabels(): array
    {
        return [
            'static_label' => 'static-value',
        ];
    }

    /**
     * Get the metric allowed labels.
     *
     * @return array
     */
    protected function allowedLabels(): array
    {
        return [
            'model',
            'static_label',
        ];
    }

    /**
     * Perform the update call on the collector.
     * Optional, as some metrics can be modified somewhere else.
     *
     * @return void
     */
    public function update(): void
    {
        $models = [
            User::class,
            Post::class,
            Team::class,
        ];

        foreach ($models as $model) {
            $this->set(
                value: $model::count(),
                labels: ['model' => $model,
            ]);
        }
    }
}

class CustomMetrics extends Metric
{
    /**
     * The group this metric gets shown into.
     *
     * @var string|null
     */
    public static $showsOnGroup = 'metrics-reloaded';

    // ...
}

Route::get('/exporter/group/{group?}', ...);

use RenokiCo\LaravelExporter\Exporter;

Exporter::exportResponse(function () {
    return <<<'PROM'
    # TYPE openswoole_max_conn gauge
    openswoole_max_conn 256
    # TYPE openswoole_coroutine_num gauge
    openswoole_coroutine_num 1
    PROM;
);

use RenokiCo\LaravelExporter\Exporter;

Exporter::exportResponse(..., 'metrics-reloaded');