✨ Add: opentelemetry & otel-collector (#741)

* Add otel-collector

* Change to docker config

---------

Co-authored-by: Dustin Kaiser <[email protected]>

Author: mrnicegyu11

services/jaeger/docker-compose.yml

@@ -1,4 +1,7 @@
 version: "3.7"
+configs:
+  opentelemetry-collector-config:
+    file: ./opentelemetry-collector-config.yaml
 services:
   jaeger:
     image: jaegertracing/all-in-one:1.60.0
@@ -9,8 +12,7 @@ services:
       - public
       - monitored
     environment:
-      MEMORY_MAX_TRACES: 200
-      COLLECTOR_ZIPKIN_HTTP_PORT: 9411
+      MEMORY_MAX_TRACES: 10000
     deploy:
       labels:
         - traefik.enable=true
@@ -29,7 +31,23 @@ services:
         reservations:
           memory: 64M
           cpus: "0.1"
-
+  otel-collector:
+    image: otel/opentelemetry-collector-contrib:0.105.0
+    configs:
+      - source: opentelemetry-collector-config
+        target: /etc/otel/config.yaml
+    hostname: "{{.Node.Hostname}}-{{.Task.Slot}}"
+    command:
+      - "--config=/etc/otel/config.yaml"
+    ports:
+      - "4318:4318"  # OTLP HTTP receiver
+    networks:
+      - public
+      - monitored
+    environment:
+      TRACING_OTEL_COLLECTOR_BATCH_SIZE: ${TRACING_OTEL_COLLECTOR_BATCH_SIZE}
+      TRACING_OTEL_COLLECTOR_SAMPLING_PERCENTAGE: ${TRACING_OTEL_COLLECTOR_SAMPLING_PERCENTAGE}
+      TRACING_OTEL_COLLECTOR_EXPORTER_ENDPOINT: ${TRACING_OTEL_COLLECTOR_EXPORTER_ENDPOINT}
 networks:
   public:
     external: true

services/jaeger/opentelemetry-collector-config.yaml

@@ -0,0 +1,26 @@
+receivers:
+  otlp:
+    protocols:
+      grpc:
+        endpoint: 0.0.0.0:4317  # Default endpoint for OTLP over gRPC
+      http:
+        endpoint: 0.0.0.0:4318 # Default endpoint for OTLP over HTTP
+exporters:
+  otlphttp:
+    endpoint: ${TRACING_OTEL_COLLECTOR_EXPORTER_ENDPOINT}  # Adjust to your Jaeger endpoint
+  debug:
+    verbosity: detailed
+service:
+  pipelines:
+    traces:
+      receivers: [otlp]
+      exporters: [otlphttp,debug]
+  telemetry:
+    logs:
+      level: "debug"
+processors:
+  batch:
+    timeout: 5s
+    send_batch_size: ${TRACING_OTEL_COLLECTOR_BATCH_SIZE}
+  probabilistic_sampler:
+    sampling_percentage: ${TRACING_OTEL_COLLECTOR_SAMPLING_PERCENTAGE}

services/jaeger/template.env

@@ -1,3 +1,6 @@
 MONITORING_DOMAIN=${MONITORING_DOMAIN}
 PUBLIC_NETWORK=${PUBLIC_NETWORK}
 MONITORED_NETWORK=${MONITORED_NETWORK}
+TRACING_OTEL_COLLECTOR_BATCH_SIZE=${TRACING_OTEL_COLLECTOR_BATCH_SIZE}
+TRACING_OTEL_COLLECTOR_SAMPLING_PERCENTAGE=${TRACING_OTEL_COLLECTOR_SAMPLING_PERCENTAGE}
+TRACING_OTEL_COLLECTOR_EXPORTER_ENDPOINT=${TRACING_OTEL_COLLECTOR_EXPORTER_ENDPOINT}