[release/v1.28.x-0.49bx] opentelemetry-sdk: setup EventLogger when initializing logging (#4270)

CHANGELOG.md

@@ -5,6 +5,11 @@ 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
+
+- sdk: setup EventLogger when OTEL_PYTHON_LOGGING_AUTO_INSTRUMENTATION_ENABLED is set
+  ([#4270](https://github.com/open-telemetry/opentelemetry-python/pull/4270))
+
 ## Version 1.28.1/0.49b1 (2024-11-08)
 
 - Fix metrics export with exemplar and no context and filtering observable instruments

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

@@ -25,6 +25,7 @@
 
 from typing_extensions import Literal
 
+from opentelemetry._events import set_event_logger_provider
 from opentelemetry._logs import set_logger_provider
 from opentelemetry.environment_variables import (
     OTEL_LOGS_EXPORTER,
@@ -33,6 +34,7 @@
     OTEL_TRACES_EXPORTER,
 )
 from opentelemetry.metrics import set_meter_provider
+from opentelemetry.sdk._events import EventLoggerProvider
 from opentelemetry.sdk._logs import LoggerProvider, LoggingHandler
 from opentelemetry.sdk._logs.export import BatchLogRecordProcessor, LogExporter
 from opentelemetry.sdk.environment_variables import (
@@ -248,6 +250,9 @@ def _init_logging(
 
     logging.getLogger().addHandler(handler)
 
+    event_logger_provider = EventLoggerProvider(logger_provider=provider)
+    set_event_logger_provider(event_logger_provider)
+
 
 def _import_exporters(
     trace_exporter_names: Sequence[str],

opentelemetry-sdk/tests/test_configurator.py

@@ -586,14 +586,32 @@ def setUp(self):
             "opentelemetry.sdk._configuration.set_logger_provider"
         )
 
+        self.event_logger_provider_instance_mock = Mock()
+        self.event_logger_provider_patch = patch(
+            "opentelemetry.sdk._configuration.EventLoggerProvider",
+            return_value=self.event_logger_provider_instance_mock,
+        )
+        self.set_event_logger_provider_patch = patch(
+            "opentelemetry.sdk._configuration.set_event_logger_provider"
+        )
+
         self.processor_mock = self.processor_patch.start()
         self.provider_mock = self.provider_patch.start()
         self.set_provider_mock = self.set_provider_patch.start()
 
+        self.event_logger_provider_mock = (
+            self.event_logger_provider_patch.start()
+        )
+        self.set_event_logger_provider_mock = (
+            self.set_event_logger_provider_patch.start()
+        )
+
     def tearDown(self):
         self.processor_patch.stop()
         self.set_provider_patch.stop()
         self.provider_patch.stop()
+        self.event_logger_provider_patch.stop()
+        self.set_event_logger_provider_patch.stop()
         root_logger = getLogger("root")
         root_logger.handlers = [
             handler
@@ -616,6 +634,12 @@ def test_logging_init_empty(self):
             provider.resource.attributes.get("telemetry.auto.version"),
             "auto-version",
         )
+        self.event_logger_provider_mock.assert_called_once_with(
+            logger_provider=provider
+        )
+        self.set_event_logger_provider_mock.assert_called_once_with(
+            self.event_logger_provider_instance_mock
+        )
 
     @patch.dict(
         environ,