initial commit

src/MetricsController.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Superbalist\LaravelPrometheusExporter;
+
+use Illuminate\Routing\Controller;
+use Prometheus\RenderTextFormat;
+
+class MetricsController extends Controller
+{
+    /**
+     * @var $prometheusExporter
+     */
+    protected $prometheusExporter;
+
+    /**
+     * @param PrometheusExporter $prometheusExporter
+     */
+    public function __construct(PrometheusExporter $prometheusExporter)
+    {
+        $this->prometheusExporter = $prometheusExporter;
+    }
+
+    /**
+     * GET /metrics
+     *
+     * The route path is configurable in the prometheus.metrics_route_path config var, or the
+     * PROMETHEUS_METRICS_ROUTE_PATH env var.
+     *
+     * @return \Symfony\Component\HttpFoundation\Response
+     */
+    public function getMetrics()
+    {
+        $metrics = $this->prometheusExporter->export();
+
+        $renderer = new RenderTextFormat();
+        $result = $renderer->render($metrics);
+
+        return response($result)
+            ->header('Content-Type', RenderTextFormat::MIME_TYPE);
+    }
+}