update observation

Author: alexcheng1982

examples/observation-docker/config/otel-collector.yaml

@@ -8,8 +8,16 @@ exporters:
     endpoint: tempo:4317
     tls:
       insecure: true
+  prometheus:
+    endpoint: "otel-collector:10010"
+    send_timestamps: true
+    resource_to_telemetry_conversion:
+      enabled: true
 service:
   pipelines:
+    metrics:
+      receivers: [ otlp ]
+      exporters: [ prometheus ]
     traces:
       receivers: [ otlp ]
       exporters: [ otlp ]

examples/observation-docker/config/prometheus.yaml

@@ -8,4 +8,7 @@ scrape_configs:
       - targets: [ 'localhost:9090' ]
   - job_name: 'tempo'
     static_configs:
-      - targets: [ 'tempo:3200' ]
+      - targets: [ 'tempo:3200' ]
+  - job_name: 'otel-collector'
+    static_configs:
+      - targets: [ 'otel-collector:10010' ]

examples/observation-docker/observation.yaml

@@ -1,4 +1,3 @@
-version: "3"
 services:
 
   # And put them in an OTEL collector pipeline...
@@ -25,7 +24,7 @@ services:
       - "9411"   # zipkin
 
   prometheus:
-    image: prom/prometheus:v2.51.1
+    image: prom/prometheus:v3.2.0
     command:
       - --config.file=/etc/prometheus.yaml
       - --web.enable-remote-write-receiver

examples/src/main/resources/application.yaml

@@ -12,8 +12,10 @@ spring:
 logging:
   level:
     org.springframework.ai.chat.client.advisor.SimpleLoggerAdvisor: DEBUG
+management:
+  tracing:
+    sampling:
+      probability: 1.0
 otel:
-  metrics:
-    exporter: none
   logs:
     exporter: none