Populate auto.version in Resource if using autoinstrumentation

CHANGELOG.md

@@ -4,12 +4,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased](https://github.com/open-telemetry/opentelemetry-python/compare/v1.6.1-0.25b1...HEAD)
+## [Unreleased](https://github.com/open-telemetry/opentelemetry-python/compare/v1.6.1-0.25b2...HEAD)
 
 - Add support for Python 3.10
   ([#2207](https://github.com/open-telemetry/opentelemetry-python/pull/2207))
 - remove `X-B3-ParentSpanId` for B3 propagator as per OpenTelemetry specification
   ([#2237](https://github.com/open-telemetry/opentelemetry-python/pull/2237))
+- Populate `auto.version` in Resource if using auto-instrumentation
+  ([#2243](https://github.com/open-telemetry/opentelemetry-python/pull/2243))
 - Return proxy instruments from ProxyMeter
   [[#2169](https://github.com/open-telemetry/opentelemetry-python/pull/2169)]
 - Make Measurement a concrete class

docs/examples/auto-instrumentation/README.rst

@@ -153,7 +153,7 @@ and run the following command instead:
 
 .. code:: sh
 
-    $ opentelemetry-instrument --trace-exporter console_span python server_uninstrumented.py
+    $ opentelemetry-instrument --traces_exporter console python server_uninstrumented.py
 
 In the console where you previously executed ``client.py``, run the following
 command again:

docs/examples/auto-instrumentation/server_uninstrumented.py

@@ -14,21 +14,8 @@
 
 from flask import Flask, request
 
-from opentelemetry import trace
-from opentelemetry.sdk.trace import TracerProvider
-from opentelemetry.sdk.trace.export import (
-    BatchSpanProcessor,
-    ConsoleSpanExporter,
-)
-
 app = Flask(__name__)
 
-trace.set_tracer_provider(TracerProvider())
-
-trace.get_tracer_provider().add_span_processor(
-    BatchSpanProcessor(ConsoleSpanExporter())
-)
-
 
 @app.route("/server_request")
 def server_request():

opentelemetry-sdk/src/opentelemetry/sdk/_configuration/__init__.py

@@ -19,7 +19,7 @@
 
 from abc import ABC, abstractmethod
 from os import environ
-from typing import Sequence, Tuple
+from typing import Dict, Optional, Sequence, Tuple, Type
 
 from pkg_resources import iter_entry_points
 
@@ -28,9 +28,11 @@
     OTEL_PYTHON_ID_GENERATOR,
     OTEL_TRACES_EXPORTER,
 )
+from opentelemetry.sdk.resources import Resource
 from opentelemetry.sdk.trace import TracerProvider
 from opentelemetry.sdk.trace.export import BatchSpanProcessor, SpanExporter
 from opentelemetry.sdk.trace.id_generator import IdGenerator
+from opentelemetry.semconv.resource import ResourceAttributes
 
 _EXPORTER_OTLP = "otlp"
 _EXPORTER_OTLP_SPAN = "otlp_proto_grpc"
@@ -64,12 +66,21 @@ def _get_exporter_names() -> Sequence[str]:
 
 
 def _init_tracing(
-    exporters: Sequence[SpanExporter], id_generator: IdGenerator
+    exporters: Dict[str, Type[SpanExporter]],
+    id_generator: IdGenerator,
+    auto_instrumentation_version: Optional[str] = None,
 ):
     # if env var OTEL_RESOURCE_ATTRIBUTES is given, it will read the service_name
     # from the env variable else defaults to "unknown_service"
+    auto_resource = {}
+    # populate version if using auto-instrumentation
+    if auto_instrumentation_version:
+        auto_resource[
+            ResourceAttributes.TELEMETRY_AUTO_VERSION
+        ] = auto_instrumentation_version
     provider = TracerProvider(
         id_generator=id_generator(),
+        resource=Resource.create(auto_resource),
     )
     trace.set_tracer_provider(provider)
 
@@ -102,7 +113,7 @@ def _import_tracer_provider_config_components(
 
 def _import_exporters(
     exporter_names: Sequence[str],
-) -> Sequence[SpanExporter]:
+) -> Dict[str, Type[SpanExporter]]:
     trace_exporters = {}
 
     for (
@@ -132,12 +143,12 @@ def _import_id_generator(id_generator_name: str) -> IdGenerator:
     raise RuntimeError(f"{id_generator_name} is not an IdGenerator")
 
 
-def _initialize_components():
+def _initialize_components(auto_instrumentation_version):
     exporter_names = _get_exporter_names()
     trace_exporters = _import_exporters(exporter_names)
     id_generator_name = _get_id_generator()
     id_generator = _import_id_generator(id_generator_name)
-    _init_tracing(trace_exporters, id_generator)
+    _init_tracing(trace_exporters, id_generator, auto_instrumentation_version)
 
 
 class _BaseConfigurator(ABC):
@@ -180,4 +191,4 @@ class _OTelSDKConfigurator(_BaseConfigurator):
     """
 
     def _configure(self, **kwargs):
-        _initialize_components()
+        _initialize_components(kwargs.get("auto_instrumentation_version"))

opentelemetry-sdk/tests/test_configurator.py

@@ -111,7 +111,7 @@ def tearDown(self):
         environ, {"OTEL_RESOURCE_ATTRIBUTES": "service.name=my-test-service"}
     )
     def test_trace_init_default(self):
-        _init_tracing({"zipkin": Exporter}, RandomIdGenerator)
+        _init_tracing({"zipkin": Exporter}, RandomIdGenerator, "test-version")
 
         self.assertEqual(self.set_provider_mock.call_count, 1)
         provider = self.set_provider_mock.call_args[0][0]
@@ -122,6 +122,10 @@ def test_trace_init_default(self):
         self.assertEqual(
             provider.processor.exporter.service_name, "my-test-service"
         )
+        self.assertEqual(
+            provider.resource.attributes.get("telemetry.auto.version"),
+            "test-version",
+        )
 
     @patch.dict(
         environ,