partey_workadventure/pusher/src/Controller/PrometheusController.ts

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import { App } from "../Server/sifrr.server";
import { HttpRequest, HttpResponse } from "uWebSockets.js";
const register = require("prom-client").register;
const collectDefaultMetrics = require("prom-client").collectDefaultMetrics;
export class PrometheusController {
constructor(private App: App) {
collectDefaultMetrics({
timeout: 10000,
gcDurationBuckets: [0.001, 0.01, 0.1, 1, 2, 5], // These are the default buckets.
});
this.App.get("/metrics", this.metrics.bind(this));
}
private metrics(res: HttpResponse, req: HttpRequest): void {
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res.writeHeader("Content-Type", register.contentType);
res.end(register.metrics());
}
}