From 6fbd8fe05346225294be1934aae43570836c1302 Mon Sep 17 00:00:00 2001
From: eliasmueller <elias@mueller-kleinheinz.de>
Date: Sun, 29 Jun 2025 14:45:02 +0200
Subject: [PATCH] chore: make otlp endpoint configurable

---
 otlp.js           |  3 ++-
 package-lock.json | 12 +++++++++++-
 package.json      |  3 ++-
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/otlp.js b/otlp.js
index 298dd02..5ae0bef 100644
--- a/otlp.js
+++ b/otlp.js
@@ -2,11 +2,12 @@ const { NodeSDK } = require('@opentelemetry/sdk-node');
 const { OTLPMetricExporter } = require('@opentelemetry/exporter-metrics-otlp-http');
 const { PeriodicExportingMetricReader } = require('@opentelemetry/sdk-metrics');
 const { getNodeAutoInstrumentations } = require('@opentelemetry/auto-instrumentations-node');
+const otlpEndpoint = process.env.OTEL_EXPORTER_OTLP_ENDPOINT || 'http://otel-collector:4318';
 
 // TODO this does not expose http_server_request metrics, only http_client_request
 const sdk = new NodeSDK({
   metricReader: new PeriodicExportingMetricReader({
-    exporter: new OTLPMetricExporter({ url: 'http://otel-collector:4318/v1/metrics' }),
+    exporter: new OTLPMetricExporter({ url: `${otlpEndpoint}/v1/metrics` }),
     exportIntervalMillis: 5000,
   }),
   instrumentations: [
diff --git a/package-lock.json b/package-lock.json
index 08ae011..54bfbc5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,7 +20,8 @@
         "@opentelemetry/sdk-metrics": "^2.0.0",
         "@opentelemetry/sdk-node": "^0.200.0",
         "graphql": "^16.8.1",
-        "jose": "^5.3.0"
+        "jose": "^5.3.0",
+        "process": "^0.11.10"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -7007,6 +7008,15 @@
         "node": "^14.17.0 || ^16.13.0 || >=18.0.0"
       }
     },
+    "node_modules/process": {
+      "version": "0.11.10",
+      "resolved": "https://registry.npmjs.org/process/-/process-0.11.10.tgz",
+      "integrity": "sha512-cdGef/drWFoydD1JsMzuFf8100nZl+GT+yacc2bEced5f9Rjk4z+WtFUTBu9PhOi9j/jfmBPu0mMEY4wIdAF8A==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6.0"
+      }
+    },
     "node_modules/promise": {
       "version": "7.3.1",
       "resolved": "https://registry.npmjs.org/promise/-/promise-7.3.1.tgz",
diff --git a/package.json b/package.json
index 15c54a4..793f156 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
     "@opentelemetry/sdk-metrics": "^2.0.0",
     "@opentelemetry/sdk-node": "^0.200.0",
     "graphql": "^16.8.1",
-    "jose": "^5.3.0"
+    "jose": "^5.3.0",
+    "process": "^0.11.10"
   }
 }