Do not list telemetry endpoint.

Author: DylanRussell

samples/otlptrace/README.md

@@ -22,8 +22,9 @@ gcloud auth application-default login
 
 #### Run the Sample
 ```sh
-# export necessary OTEL environment variable
+# export necessary OTEL environment variables
 export OTEL_RESOURCE_ATTRIBUTES="gcp.project_id=<project-id>"
+export OTEL_EXPORTER_OTLP_ENDPOINT=<endpoint>
 
 # from the samples/otlptrace repository
 python3 example_grpc.py

samples/otlptrace/example_grpc.py

@@ -46,7 +46,6 @@
 processor = BatchSpanProcessor(
     OTLPSpanExporter(
         credentials=channel_creds,
-        endpoint="https://telemetry.googleapis.com:443/v1/traces",
     )
 )
 trace_provider.add_span_processor(processor)

samples/otlptrace/example_http.py

@@ -25,14 +25,15 @@
 from opentelemetry.sdk.trace.export import BatchSpanProcessor
 
 credentials, project_id = google.auth.default()
-trace_provider = TracerProvider(resource=Resource.create(attributes={SERVICE_NAME: "otlp-gcp-http-sample"}))
+trace_provider = TracerProvider(
+    resource=Resource.create(attributes={SERVICE_NAME: "otlp-gcp-http-sample"})
+)
 processor = BatchSpanProcessor(
     OTLPSpanExporter(
         headers={
             "x-goog-user-project": credentials.quota_project_id,
         },
         session=AuthorizedSession(credentials),
-        endpoint="https://telemetry.googleapis.com:443/v1/traces",
     )
 )
 trace_provider.add_span_processor(processor)