chore(P14-8): 完成运营化与验收收口

server/src/observability/tracing.js

@@ -0,0 +1,42 @@
+const { NodeSDK } = require('@opentelemetry/sdk-node');
+const { ConsoleSpanExporter } = require('@opentelemetry/sdk-trace-node');
+const { getNodeAutoInstrumentations } = require('@opentelemetry/auto-instrumentations-node');
+const { Resource } = require('@opentelemetry/resources');
+const { SemanticResourceAttributes } = require('@opentelemetry/semantic-conventions');
+
+let sdk = null;
+
+function initTracing(config) {
+    if (config.otelTracesEnabled !== true) {
+        return;
+    }
+
+    const exporter = new ConsoleSpanExporter();
+
+    sdk = new NodeSDK({
+        resource: new Resource({
+            [SemanticResourceAttributes.SERVICE_NAME]: 'hyb-oa-server',
+        }),
+        traceExporter: exporter,
+        instrumentations: [getNodeAutoInstrumentations({
+            '@opentelemetry/instrumentation-fs': { enabled: false },
+        })]
+    });
+
+    try {
+        sdk.start();
+        console.log('OTel tracing initialized');
+    } catch (error) {
+        console.error('Error initializing OTel tracing', error);
+    }
+
+    process.on('SIGTERM', () => {
+        if (sdk) {
+            sdk.shutdown()
+                .then(() => console.log('OTel tracing terminated'))
+                .catch((error) => console.log('Error terminating OTel tracing', error));
+        }
+    });
+}
+
+module.exports = { initTracing };