From 3fe7a670f8fe6a9f3760c411a0df3b346c96f80d Mon Sep 17 00:00:00 2001
From: Bernd Storath <999999bst@gmail.com>
Date: Wed, 15 Jan 2025 08:57:09 +0100
Subject: [PATCH] basic metrics support

---
 src/server/routes/metrics/index.get.ts | 14 ++++++++++++++
 src/server/routes/metrics/json.get.ts  | 13 +++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 src/server/routes/metrics/index.get.ts
 create mode 100644 src/server/routes/metrics/json.get.ts

diff --git a/src/server/routes/metrics/index.get.ts b/src/server/routes/metrics/index.get.ts
new file mode 100644
index 00000000..6cd0d46d
--- /dev/null
+++ b/src/server/routes/metrics/index.get.ts
@@ -0,0 +1,14 @@
+export default defineEventHandler(async (event) => {
+  // TODO: check password
+
+  const system = await Database.system.get();
+  if (!system.metrics.prometheus.enabled) {
+    throw createError({
+      statusCode: 400,
+      message: 'Prometheus metrics are not enabled',
+    });
+  }
+
+  setHeader(event, 'Content-Type', 'text/plain');
+  return WireGuard.getMetrics();
+});
diff --git a/src/server/routes/metrics/json.get.ts b/src/server/routes/metrics/json.get.ts
new file mode 100644
index 00000000..eaef7024
--- /dev/null
+++ b/src/server/routes/metrics/json.get.ts
@@ -0,0 +1,13 @@
+export default defineEventHandler(async () => {
+  // TODO: check password
+
+  const system = await Database.system.get();
+  if (!system.metrics.prometheus.enabled) {
+    throw createError({
+      statusCode: 400,
+      message: 'Prometheus metrics are not enabled',
+    });
+  }
+
+  return WireGuard.getMetricsJSON();
+});