Set OTEL_EXPORTER_OTLP_METRICS_ENDPOINT needed for Java agent

.env

@@ -8,6 +8,7 @@ COLLECTOR_ZIPKIN_HOST_PORT=:9411
 # Collector
 OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://otelcol:4317
 OTEL_EXPORTER_OTLP_ENDPOINT=${OTEL_EXPORTER_OTLP_TRACES_ENDPOINT}
+OTEL_EXPORTER_OTLP_METRICS_ENDPOINT=${OTEL_EXPORTER_OTLP_TRACES_ENDPOINT}
 
 # Load Generator
 USERS=10
@@ -55,4 +56,4 @@ FEATURE_FLAG_GRPC_SERVICE_PORT=50053
 PROMETHEUS_SERVICE_PORT=9090
 
 # Grafana
-GRAFANA_SERVICE_PORT=3000
+GRAFANA_SERVICE_PORT=3000

CHANGELOG.md

@@ -41,3 +41,5 @@ significant modifications will be credited to OpenTelemetry Authors.
 ([#189](https://github.com/open-telemetry/opentelemetry-demo/pull/189))
 * Simplified repo name and dropped the '-webstore' suffix in every place
 ([#225](https://github.com/open-telemetry/opentelemetry-demo/pull/225))
+* Add metrics endpoint in adservice to send metrics from java agent
+([#237](https://github.com/open-telemetry/opentelemetry-demo/pull/237))

docker-compose.yml

@@ -60,6 +60,7 @@ services:
     environment:
       - AD_SERVICE_PORT
       - OTEL_EXPORTER_OTLP_TRACES_ENDPOINT
+      - OTEL_EXPORTER_OTLP_METRICS_ENDPOINT
       - OTEL_RESOURCE_ATTRIBUTES=service.name=adservice
     depends_on:
       - otelcol