Integrate service metrics with OpenTelemetry Collector

docker-compose/.env

@@ -0,0 +1 @@
+OTEL_COLLECTOR_TAG=0.89.0

docker-compose/docker-compose.yml

@@ -0,0 +1,14 @@
+version: "3.9"
+
+services:
+
+  otel-collector:
+    image: otel/opentelemetry-collector:${OTEL_COLLECTOR_TAG}
+    command: ["--config=/etc/otel-collector-config.yaml"]
+    volumes:
+      - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml
+    ports:
+      - 8888:8888
+      - 8889:8889
+      - 13133:13133
+      - 4317:4317

docker-compose/otel-collector-config.yaml

@@ -0,0 +1,21 @@
+receivers:
+  otlp:
+    protocols:
+      grpc:
+
+exporters:
+  logging:
+
+processors:
+  batch:
+
+extensions:
+  health_check:
+
+service:
+  extensions: [health_check]
+  pipelines:
+    metrics:
+      receivers: [otlp]
+      processors: [batch]
+      exporters: [logging]

src/Spard.Service/Program.cs

@@ -69,15 +69,7 @@ static void AddMetrics(IServiceCollection services, IConfiguration configuration
             .AddAspNetCoreInstrumentation()
             .AddRuntimeInstrumentation()
             .AddProcessInstrumentation()
-            .AddOtlpExporter(options =>
-            {
-                var otelUri = configuration["OpenTelemetry:ServiceUri"];
-
-                if (otelUri != null)
-                {
-                    options.Endpoint = new Uri(otelUri);
-                }
-            }));
+            .AddOtlpExporter());
 }
 
 static void Configure(WebApplication app)