/**
* @param string $variable
* @return \Prometheus\Gauge
*/
private function getOrRegisterGaugeForVariable($variable)
{
try {
$gauge = $this->collectorRegistry->getGauge($this->namespace, $variable);
} catch (MetricNotFoundException $e) {
$gauge = $this->collectorRegistry->registerGauge($this->namespace, $variable, '', array_keys($this->tags));
}
return $gauge;
}
/**
* @test
*/
public function pushGatewayShouldWork()
{
$adapter = new APC();
$registry = new CollectorRegistry($adapter);
$counter = $registry->registerCounter('test', 'some_counter', 'it increases', ['type']);
$counter->incBy(6, ['blue']);
$pushGateway = new PushGateway('pushgateway:9091');
$pushGateway->push($registry, 'my_job', array('instance' => 'foo'));
$httpClient = new Client();
$metrics = $httpClient->get("http://pushgateway:9091/metrics")->getBody()->getContents();
$this->assertContains('# HELP test_some_counter it increases
# TYPE test_some_counter counter
test_some_counter{instance="foo",job="my_job",type="blue"} 6', $metrics);
$pushGateway->delete('my_job', array('instance' => 'foo'));
$httpClient = new Client();
$metrics = $httpClient->get("http://pushgateway:9091/metrics")->getBody()->getContents();
$this->assertNotContains('# HELP test_some_counter it increases
# TYPE test_some_counter counter
test_some_counter{instance="foo",job="my_job",type="blue"} 6', $metrics);
}
/**
* @param CollectorRegistry $collectorRegistry
* @param $job
* @param $groupingKey
* @param $method
*/
private function doRequest(CollectorRegistry $collectorRegistry, $job, $groupingKey, $method)
{
$url = "http://" . $this->address . "/metrics/job/" . $job;
if (!empty($groupingKey)) {
foreach ($groupingKey as $label => $value) {
$url .= "/" . $label . "/" . $value;
}
}
$client = new Client();
$requestOptions = array('headers' => array('Content-Type' => RenderTextFormat::MIME_TYPE), 'connect_timeout' => 10, 'timeout' => 20);
if ($method != 'delete') {
$renderer = new RenderTextFormat();
$requestOptions['body'] = $renderer->render($collectorRegistry->getMetricFamilySamples());
}
$response = $client->request($method, $url, $requestOptions);
$statusCode = $response->getStatusCode();
if ($statusCode != 202) {
$msg = "Unexpected status code " . $statusCode . " received from pushgateway " . $this->address . ": " . $response->getBody();
throw new \RuntimeException($msg);
}
}
<?php
require __DIR__ . '/../vendor/autoload.php';
use Prometheus\CollectorRegistry;
use Prometheus\Storage\Redis;
error_log('c=' . $_GET['c']);
$adapter = $_GET['adapter'];
if ($adapter == 'redis') {
Redis::setDefaultOptions(array('host' => isset($_SERVER['REDIS_HOST']) ? $_SERVER['REDIS_HOST'] : '127.0.0.1'));
$adapter = new Prometheus\Storage\Redis();
}
if ($adapter == 'apc') {
$adapter = new Prometheus\Storage\APC();
}
$registry = new CollectorRegistry($adapter);
$counter = $registry->registerCounter('test', 'some_counter', 'it increases', ['type']);
$counter->incBy($_GET['c'], ['blue']);
echo "OK\n";
<?php
require __DIR__ . '/../vendor/autoload.php';
use Prometheus\CollectorRegistry;
use Prometheus\Storage\Redis;
error_log('c=' . $_GET['c']);
$adapter = $_GET['adapter'];
if ($adapter == 'redis') {
Redis::setDefaultOptions(array('host' => isset($_SERVER['REDIS_HOST']) ? $_SERVER['REDIS_HOST'] : '127.0.0.1'));
$adapter = new Prometheus\Storage\Redis();
}
if ($adapter == 'apc') {
$adapter = new Prometheus\Storage\APC();
}
$registry = new CollectorRegistry($adapter);
$gauge = $registry->registerGauge('test', 'some_gauge', 'it sets', ['type']);
$gauge->set($_GET['c'], ['blue']);
echo "OK\n";
/**
* @test
* @expectedException \Prometheus\Exception\MetricNotFoundException
*/
public function itShouldThrowAnExceptionWhenGettingANonExistentMetric()
{
$registry = new CollectorRegistry($this->adapter);
$registry->getGauge("not_here", "go_away");
}
<?php
require __DIR__ . '/../vendor/autoload.php';
use Prometheus\CollectorRegistry;
use Prometheus\Storage\Redis;
error_log('c=' . $_GET['c']);
$adapter = $_GET['adapter'];
if ($adapter == 'redis') {
Redis::setDefaultOptions(array('host' => isset($_SERVER['REDIS_HOST']) ? $_SERVER['REDIS_HOST'] : '127.0.0.1'));
$adapter = new Prometheus\Storage\Redis();
}
if ($adapter == 'apc') {
$adapter = new Prometheus\Storage\APC();
}
$registry = new CollectorRegistry($adapter);
$histogram = $registry->registerHistogram('test', 'some_histogram', 'it observes', ['type'], [0.1, 1, 2, 3.5, 4, 5, 6, 7, 8, 9]);
$histogram->observe($_GET['c'], ['blue']);
echo "OK\n";
<?php
require __DIR__ . '/../vendor/autoload.php';
use Prometheus\CollectorRegistry;
use Prometheus\RenderTextFormat;
use Prometheus\Storage\Redis;
$adapter = $_GET['adapter'];
if ($adapter == 'redis') {
Redis::setDefaultOptions(array('host' => isset($_SERVER['REDIS_HOST']) ? $_SERVER['REDIS_HOST'] : '127.0.0.1'));
$adapter = new Prometheus\Storage\Redis();
}
if ($adapter == 'apc') {
$adapter = new Prometheus\Storage\APC();
}
$registry = new CollectorRegistry($adapter);
$renderer = new RenderTextFormat();
$result = $renderer->render($registry->getMetricFamilySamples());
header('Content-type: ' . RenderTextFormat::MIME_TYPE);
echo $result;
<?php
require __DIR__ . '/../vendor/autoload.php';
use Prometheus\CollectorRegistry;
$adapter = new Prometheus\Storage\APC();
$registry = new CollectorRegistry($adapter);
$counter = $registry->registerCounter('test', 'some_counter', 'it increases', ['type']);
$counter->incBy(6, ['blue']);
$pushGateway = new \Prometheus\PushGateway('192.168.59.100:9091');
$pushGateway->push($registry, 'my_job', array('instance' => 'foo'));
