misc: finalized config files

backend/package-lock.json

@@ -28,6 +28,7 @@
         "@opentelemetry/api": "^1.8.0",
         "@opentelemetry/auto-instrumentations-node": "^0.46.1",
         "@opentelemetry/exporter-metrics-otlp-proto": "^0.51.1",
+        "@opentelemetry/exporter-prometheus": "^0.51.1",
         "@opentelemetry/instrumentation": "^0.51.1",
         "@opentelemetry/resources": "^1.24.1",
         "@opentelemetry/sdk-metrics": "^1.24.1",
@@ -3484,6 +3485,22 @@
         "@opentelemetry/api": "^1.3.0"
       }
     },
+    "node_modules/@opentelemetry/exporter-prometheus": {
+      "version": "0.51.1",
+      "resolved": "https://registry.npmjs.org/@opentelemetry/exporter-prometheus/-/exporter-prometheus-0.51.1.tgz",
+      "integrity": "sha512-c8TrTlLm9JJRIHW6MtFv6ESoZRgXBXD/YrTRYylWiyYBOVbYHo1c5Qaw/j/thXDhkmYOYAn4LAhJZpLl5gBFEQ==",
+      "dependencies": {
+        "@opentelemetry/core": "1.24.1",
+        "@opentelemetry/resources": "1.24.1",
+        "@opentelemetry/sdk-metrics": "1.24.1"
+      },
+      "engines": {
+        "node": ">=14"
+      },
+      "peerDependencies": {
+        "@opentelemetry/api": "^1.3.0"
+      }
+    },
     "node_modules/@opentelemetry/exporter-trace-otlp-grpc": {
       "version": "0.51.1",
       "resolved": "https://registry.npmjs.org/@opentelemetry/exporter-trace-otlp-grpc/-/exporter-trace-otlp-grpc-0.51.1.tgz",

backend/package.json

@@ -89,6 +89,7 @@
     "@opentelemetry/api": "^1.8.0",
     "@opentelemetry/auto-instrumentations-node": "^0.46.1",
     "@opentelemetry/exporter-metrics-otlp-proto": "^0.51.1",
+    "@opentelemetry/exporter-prometheus": "^0.51.1",
     "@opentelemetry/instrumentation": "^0.51.1",
     "@opentelemetry/resources": "^1.24.1",
     "@opentelemetry/sdk-metrics": "^1.24.1",

backend/src/lib/config/env.ts

@@ -120,7 +120,7 @@ const envSchema = z
       .optional(),
     INFISICAL_CLOUD: zodStrBool.default("false"),
     MAINTENANCE_MODE: zodStrBool.default("false"),
-    TELEMETRY_EXPORT_URL: zpStr(z.string().optional())
+    OTEL_COLLECTOR_OTLP_URL: zpStr(z.string().optional())
   })
   .transform((data) => ({
     ...data,

backend/src/lib/telemetry/instrumentation.ts

@@ -1,12 +1,13 @@
 import opentelemetry from "@opentelemetry/api";
 import { getNodeAutoInstrumentations } from "@opentelemetry/auto-instrumentations-node";
 import { OTLPMetricExporter } from "@opentelemetry/exporter-metrics-otlp-proto";
+import { PrometheusExporter } from "@opentelemetry/exporter-prometheus";
 import { registerInstrumentations } from "@opentelemetry/instrumentation";
 import { Resource } from "@opentelemetry/resources";
 import { AggregationTemporality, MeterProvider, PeriodicExportingMetricReader } from "@opentelemetry/sdk-metrics";
 import { SEMRESATTRS_SERVICE_NAME, SEMRESATTRS_SERVICE_VERSION } from "@opentelemetry/semantic-conventions";
 
-export const initTelemetry = (exportURL: string) => {
+export const initTelemetry = async ({ otlpURL }: { otlpURL?: string }) => {
   const resource = Resource.default().merge(
     new Resource({
       [SEMRESATTRS_SERVICE_NAME]: "infisical-server",
@@ -14,22 +15,30 @@ export const initTelemetry = (exportURL: string) => {
     })
   );
 
-  const metricExporter = new OTLPMetricExporter({
-    url: `${exportURL}/v1/metrics`,
-    temporalityPreference: AggregationTemporality.DELTA
-  });
+  const metricReaders = [];
+  if (otlpURL) {
+    const otlpExporter = new OTLPMetricExporter({
+      url: `${otlpURL}/v1/metrics`,
+      temporalityPreference: AggregationTemporality.DELTA
+    });
 
-  const metricReader = new PeriodicExportingMetricReader({
-    exporter: metricExporter,
-    exportIntervalMillis: 30000
-  });
+    metricReaders.push(
+      new PeriodicExportingMetricReader({
+        exporter: otlpExporter,
+        exportIntervalMillis: 30000
+      })
+    );
+  } else {
+    const promExporter = new PrometheusExporter();
+    metricReaders.push(promExporter);
+  }
 
-  const myServiceMeterProvider = new MeterProvider({
+  const meterProvider = new MeterProvider({
     resource,
-    readers: [metricReader]
+    readers: metricReaders
   });
 
-  opentelemetry.metrics.setGlobalMeterProvider(myServiceMeterProvider);
+  opentelemetry.metrics.setGlobalMeterProvider(meterProvider);
 
   registerInstrumentations({
     instrumentations: [getNodeAutoInstrumentations()]

backend/src/main.ts

@@ -15,9 +15,7 @@ const run = async () => {
   const logger = await initLogger();
   const appCfg = initEnvConfig(logger);
 
-  if (appCfg.TELEMETRY_EXPORT_URL) {
-    initTelemetry(appCfg.TELEMETRY_EXPORT_URL);
-  }
+  await initTelemetry({ otlpURL: appCfg.OTEL_COLLECTOR_OTLP_URL });
 
   const db = initDbConnection({
     dbConnectionUri: appCfg.DB_CONNECTION_URI,