adding getting started to website docs (open-telemetry#1788)

Author: alrex

docs/getting-started.rst

@@ -217,8 +217,7 @@ Start the Collector locally to see how the Collector works in practice. Write th
 
     # /tmp/otel-collector-config.yaml
     receivers:
-        opencensus:
-            endpoint: 0.0.0.0:55678
+        otlp:
     exporters:
         logging:
             loglevel: debug
@@ -228,17 +227,17 @@ Start the Collector locally to see how the Collector works in practice. Write th
     service:
         pipelines:
             traces:
-                receivers: [opencensus]
+                receivers: [otlp]
                 exporters: [logging]
                 processors: [batch, queued_retry]
 
 Then start the Docker container:
 
 .. code-block:: sh
 
-    docker run -p 55678:55678 \
+    docker run -p 4317:4317 \
         -v /tmp/otel-collector-config.yaml:/etc/otel-collector-config.yaml \
-        omnition/opentelemetry-collector-contrib:latest \
+        otel/opentelemetry-collector:latest \
         --config=/etc/otel-collector-config.yaml
 
 Install the OpenTelemetry Collector exporter:

docs/getting_started/otlpcollector_example.py

@@ -24,7 +24,7 @@
 
 span_exporter = OTLPSpanExporter(
     # optional
-    # endpoint:="myCollectorURL:55678",
+    # endpoint:="myCollectorURL:4317",
     # credentials=ChannelCredentials(credentials),
     # headers=(("metadata", "metadata")),
 )

docs/getting_started/tracing_example.py

@@ -20,10 +20,11 @@
     SimpleSpanProcessor,
 )
 
-trace.set_tracer_provider(TracerProvider())
-trace.get_tracer_provider().add_span_processor(
-    SimpleSpanProcessor(ConsoleSpanExporter())
-)
+provider = TracerProvider()
+processor = SimpleSpanProcessor(ConsoleSpanExporter())
+provider.add_span_processor(processor)
+trace.set_tracer_provider(provider)
+
 
 tracer = trace.get_tracer(__name__)
 

website_docs/_index.md

@@ -17,8 +17,8 @@ get started using OpenTelemetry for Python.
 The current status of the major functional components for OpenTelemetry Python
 is as follows:
 
-| Tracing | Metrics | Logging |
-| ------- | ------- | ------- |
+| Tracing   | Metrics | Logging             |
+| -------   | ------- | ------------------- |
 | Stable    | Alpha   | Not Yet Implemented |
 
 The current release can be found [here](https://github.com/open-telemetry/opentelemetry-python/releases)