Fix opentelemetry traces examples (#48)

Signed-off-by: Ashmeet Kandhari <[email protected]>

Author: ashmeet-kandhari

opentelemetry/otel-collector-config.yaml

@@ -9,7 +9,9 @@ receivers:
   otlp:
     protocols:
       grpc:
+        endpoint: 0.0.0.0:4317
       http:
+        endpoint: 0.0.0.0:4318
 
 processors:
   batch:
@@ -21,18 +23,18 @@ processors:
     check_interval: 5s
 
 exporters:
-  logging:
-    loglevel: debug
+  debug:
+    verbosity: detailed
 
 service:
   pipelines:
     traces:
       receivers: [otlp]
       processors: [memory_limiter, batch]
-      exporters: [logging]
+      exporters: [debug]
     metrics:
       receivers: [otlp]
       processors: [memory_limiter, batch]
-      exporters: [logging]
+      exporters: [debug]
 
   extensions: [memory_ballast, zpages, health_check]