Add POC for OTel for RPC layer

Signed-off-by: Pratik Mankawde <3397372+pratikmankawde@users.noreply.github.com>

docker/telemetry/docker-compose.yml

@@ -0,0 +1,44 @@
+version: "3.8"
+
+services:
+  otel-collector:
+    image: otel/opentelemetry-collector-contrib:latest
+    command: ["--config=/etc/otel-collector-config.yaml"]
+    ports:
+      - "4317:4317"   # OTLP gRPC
+      - "4318:4318"   # OTLP HTTP
+      - "13133:13133" # Health check
+    volumes:
+      - ./otel-collector-config.yaml:/etc/otel-collector-config.yaml:ro
+    depends_on:
+      - jaeger
+    networks:
+      - rippled-telemetry
+
+  jaeger:
+    image: jaegertracing/all-in-one:latest
+    environment:
+      - COLLECTOR_OTLP_ENABLED=true
+    ports:
+      - "16686:16686" # Jaeger UI
+      - "14250:14250" # gRPC
+    networks:
+      - rippled-telemetry
+
+  grafana:
+    image: grafana/grafana:latest
+    environment:
+      - GF_AUTH_ANONYMOUS_ENABLED=true
+      - GF_AUTH_ANONYMOUS_ORG_ROLE=Admin
+    ports:
+      - "3000:3000"
+    volumes:
+      - ./grafana/provisioning:/etc/grafana/provisioning:ro
+    depends_on:
+      - jaeger
+    networks:
+      - rippled-telemetry
+
+networks:
+  rippled-telemetry:
+    driver: bridge

docker/telemetry/grafana/provisioning/datasources/jaeger.yaml

@@ -0,0 +1,7 @@
+apiVersion: 1
+
+datasources:
+  - name: Jaeger
+    type: jaeger
+    access: proxy
+    url: http://jaeger:16686

docker/telemetry/otel-collector-config.yaml

@@ -0,0 +1,27 @@
+receivers:
+  otlp:
+    protocols:
+      grpc:
+        endpoint: 0.0.0.0:4317
+      http:
+        endpoint: 0.0.0.0:4318
+
+processors:
+  batch:
+    timeout: 1s
+    send_batch_size: 100
+
+exporters:
+  debug:
+    verbosity: detailed
+  otlp/jaeger:
+    endpoint: jaeger:4317
+    tls:
+      insecure: true
+
+service:
+  pipelines:
+    traces:
+      receivers: [otlp]
+      processors: [batch]
+      exporters: [debug, otlp/jaeger]