From 4a9c6cacc5cadccbf88d910d62e222bf3f4ff5ff Mon Sep 17 00:00:00 2001
From: Rory& <root@rory.gay>
Date: Wed, 20 May 2026 13:51:11 +0200
Subject: [PATCH] */Server.ts: Add monitoring init hook

---
 package-lock.json                 | Bin 327380 -> 329088 bytes
 package.json                      |   1 +
 src/api/Server.ts                 |   1 -
 src/cdn/Server.ts                 |   1 -
 src/util/monitoring/Monitoring.ts |  38 ++++++++++++++++++++++++++++++
 5 files changed, 39 insertions(+), 2 deletions(-)
 create mode 100644 src/util/monitoring/Monitoring.ts

diff --git a/package-lock.json b/package-lock.json
index 2b96765dcccacc49ed1765d328bee3149d033062..659cd6a61e4e4a2f25716b938417e0eb73dee26e 100644
GIT binary patch
delta 763
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delta 68
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diff --git a/package.json b/package.json
index dc3fe06a8..f20e31d40 100644
--- a/package.json
+++ b/package.json
@@ -115,6 +115,7 @@
         "pg-query-stream": "^4.15.0",
         "picocolors": "^1.1.1",
         "probe-image-size": "^7.3.0",
+        "prom-client": "^15.1.3",
         "reflect-metadata": "^0.2.2",
         "tslib": "^2.8.1",
         "typeorm": "^0.3.30",
diff --git a/src/api/Server.ts b/src/api/Server.ts
index f9f1c708f..a1edb986c 100644
--- a/src/api/Server.ts
+++ b/src/api/Server.ts
@@ -53,7 +53,6 @@ export class SpacebarServer extends Server {
 
     async start() {
         await Monitoring.init();
-        Monitoring.attach(this.app);
         await initDatabase();
         await Config.init();
         await initEvent();
diff --git a/src/cdn/Server.ts b/src/cdn/Server.ts
index 8964161dc..9327de836 100644
--- a/src/cdn/Server.ts
+++ b/src/cdn/Server.ts
@@ -37,7 +37,6 @@ export class CDNServer extends Server {
 
     async start() {
         await Monitoring.init();
-        Monitoring.attach(this.app);
         await initDatabase();
         await Config.init();
 
diff --git a/src/util/monitoring/Monitoring.ts b/src/util/monitoring/Monitoring.ts
new file mode 100644
index 000000000..3d6d4ed47
--- /dev/null
+++ b/src/util/monitoring/Monitoring.ts
@@ -0,0 +1,38 @@
+/*
+	Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
+	Copyright (C) 2026 Spacebar and Spacebar Contributors
+	
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published
+	by the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+	
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+	
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+import * as client from "prom-client";
+import { Router } from "express";
+
+export class Monitoring {
+    static isInitialised = false;
+    public static async init() {
+        if (Monitoring.isInitialised) return;
+        console.log("[Monitoring] Initialising prometheus metrics");
+        client.collectDefaultMetrics();
+        Monitoring.isInitialised = true;
+    }
+
+    public static attach(router: Router) {
+        router.get("/metrics", async (req, res) => {
+            res.setHeader("Content-Type", client.register.contentType);
+            const metrics = await client.register.metrics();
+            res.send(metrics);
+        });
+    }
+}