Update container images to launch a otel collector and a prometheus s…

…erver

.devcontainer/devcontainer.json

@@ -77,6 +77,14 @@
         "8080": {
             "label": "Traefik Dashboard",
             "onAutoForward": "notify"
+        },
+        "4317": {
+            "label": "Telemetry",
+            "onAutoForward": "notify"
+        },
+        "9090": {
+            "label": "Prometheus",
+            "onAutoForward": "notify"
         }
     },
 

.devcontainer/docker-compose.yml

@@ -7,6 +7,7 @@ services:
       dockerfile: .devcontainer/Dockerfile
     environment:
       - PYTHONUNBUFFERED=1
+      - OTEL_EXPORTER_OTLP_ENDPOINT=telemetry:4317
     volumes:
       - "..:/workspace:cached"
     cap_add:
@@ -17,6 +18,7 @@ services:
       - label=disable
       - apparmor=unconfined
     depends_on:
+      - telemetry
       - traefik
       - whoami
     # Override the default command so things don't shut down after the process ends.
@@ -42,6 +44,24 @@ services:
       - "label=disable"
       - "apparmor=unconfined"
 
+  telemetry:
+    image: otel/opentelemetry-collector:latest
+    container_name: telemetry
+    volumes:
+      - ./opentelemetry.yml:/etc/otelcol/config.yaml:ro
+    ports:
+      - "4317:4317"   # OTLP gRPC receiver
+      - "8888:8888"   # Prometheus metrics exposed by the collector
+      - "8889:8889"   # Prometheus exporter metrics
+
+  prometheus:
+    image: prom/prometheus:latest
+    restart: always
+    volumes:
+      - ./prometheus.yml:/etc/prometheus/prometheus.yml:ro
+    ports:
+      - "9090:9090"
+
   whoami:
     image: "containous/whoami"
     container_name: "whoami"

.devcontainer/opentelemetry.yml

@@ -0,0 +1,25 @@
+---
+receivers:
+  otlp:
+    protocols:
+      grpc:
+        endpoint: 0.0.0.0:4317
+
+exporters:
+  prometheus:
+    endpoint: "0.0.0.0:8889"
+    const_labels:
+      label1: value1
+  debug:
+
+service:
+  pipelines:
+    logs:
+      receivers: [otlp]
+      exporters: [debug]
+    traces:
+      receivers: [otlp]
+      exporters: [debug]
+    metrics:
+      receivers: [otlp]
+      exporters: [debug, prometheus]

.devcontainer/prometheus.yml

@@ -0,0 +1,6 @@
+scrape_configs:
+  - job_name: "otel-collector"
+    scrape_interval: 10s
+    static_configs:
+      - targets: ["telemetry:8889"]
+      - targets: ["telemetry:8888"]