PHP code example of vermorag / laravel-prometheus-exporter

    
        
<?php
require_once('vendor/autoload.php');

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

    

vermorag / laravel-prometheus-exporter example snippets

$userAliases = [
    // ...
    Arquivei\LaravelPrometheusExporter\PrometheusFacade::class => 'Prometheus',
];
$app->withFacades(true, $userAliases);

$app->register(Arquivei\LaravelPrometheusExporter\PrometheusServiceProvider::class);

$app->loadComponent('prometheus', [
    Arquivei\LaravelPrometheusExporter\PrometheusServiceProvider::class
]);

$app->middleware([
    Arquivei\LaravelPrometheusExporter\RouteMiddleware::class,
]);

[
    'method',
    'route',
    'status_code',
]

$app->register(Arquivei\LaravelPrometheusExporter\GuzzleServiceProvider::class);

[
    'method',
    'external_endpoint',
    'status_code'
]

$app->register(Arquivei\LaravelPrometheusExporter\DatabaseServiceProvider::class);

[
    'query',
    'query_type',
]

// retrieve the exporter (you can also use app('prometheus') or Prometheus::getFacadeRoot())
$exporter = app(\Arquivei\LaravelPrometheusExporter\PrometheusExporter::class);

// register a new collector
$collector = new \My\New\Collector();
$exporter->registerCollector($collector);

// retrieve all collectors
var_dump($exporter->getCollectors());

// retrieve a collector by name
$collector = $exporter->getCollector('user');

// export all metrics
// this is called automatically when the /metrics end-point is hit
var_dump($exporter->export());

// the following methods can be used to create and interact with counters, gauges and histograms directly
// these methods will typically be called by collectors, but can be used to register any custom metrics directly,
// without the need of a collector

// create a counter
$counter = $exporter->registerCounter('search_requests_total', 'The total number of search requests.');
$counter->inc(); // increment by 1
$counter->incBy(2);

// create a counter (with labels)
$counter = $exporter->registerCounter('search_requests_total', 'The total number of search requests.', ['request_type']);
$counter->inc(['GET']); // increment by 1
$counter->incBy(2, ['GET']);

// retrieve a counter
$counter = $exporter->getCounter('search_requests_total');

// create a gauge
$gauge = $exporter->registerGauge('users_online_total', 'The total number of users online.');
$gauge->inc(); // increment by 1
$gauge->incBy(2);
$gauge->dec(); // decrement by 1
$gauge->decBy(2);
$gauge->set(36);

// create a gauge (with labels)
$gauge = $exporter->registerGauge('users_online_total', 'The total number of users online.', ['group']);
$gauge->inc(['staff']); // increment by 1
$gauge->incBy(2, ['staff']);
$gauge->dec(['staff']); // decrement by 1
$gauge->decBy(2, ['staff']);
$gauge->set(36, ['staff']);

// retrieve a gauge
$counter = $exporter->getGauge('users_online_total');

// create a histogram
$histogram = $exporter->registerHistogram(
    'response_time_seconds',
    'The response time of a request.',
    [],
    [0.1, 0.25, 0.5, 0.75, 1.0, 2.5, 5.0, 7.5, 10.0]
);
// the buckets must be in asc order
// if buckets aren't specified, the default 0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1.0, 2.5, 5.0, 7.5, 10.0 buckets will be used
$histogram->observe(5.0);

// create a histogram (with labels)
$histogram = $exporter->registerHistogram(
    'response_time_seconds',
    'The response time of a request.',
    ['request_type'],
    [0.1, 0.25, 0.5, 0.75, 1.0, 2.5, 5.0, 7.5, 10.0]
);
// the buckets must be in asc order
// if buckets aren't specified, the default 0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1.0, 2.5, 5.0, 7.5, 10.0 buckets will be used
$histogram->observe(5.0, ['GET']);

// retrieve a histogram
$counter = $exporter->getHistogram('response_time_seconds');

declare(strict_types = 1);

namespace Arquivei\LaravelPrometheusExporter;

use Prometheus\Gauge;

class ExampleCollector implements CollectorInterface
{
    /**
     * @var Gauge
     */
    protected $usersRegisteredGauge;

    /**
     * Return the name of the collector.
     *
     * @return string
     */
    public function getName() : string
    {
        return 'users';
    }

    /**
     * Register all metrics associated with the collector.
     *
     * The metrics needs to be registered on the exporter object.
     * eg:
     *