opentelemetry-sdk: don't print warnings if SDK is disabled (open-telemetry#4371)

* opentelemetry-sdk: don't print warnings if SDK is disabled

* Add changelog

Author: xrmx

CHANGELOG.md

@@ -11,6 +11,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#4364](https://github.com/open-telemetry/opentelemetry-python/pull/4364))
 - Add Python 3.13 support
   ([#4353](https://github.com/open-telemetry/opentelemetry-python/pull/4353))
+- sdk: don't log or print warnings when the SDK has been disabled
+  ([#4371](https://github.com/open-telemetry/opentelemetry-python/pull/4371))
 
 ## Version 1.29.0/0.50b0 (2024-12-11)
 

opentelemetry-sdk/src/opentelemetry/sdk/_logs/_internal/__init__.py

@@ -670,7 +670,6 @@ def get_logger(
         attributes: Optional[Attributes] = None,
     ) -> Logger:
         if self._disabled:
-            warnings.warn("SDK is disabled.")
             return NoOpLogger(
                 name,
                 version=version,

opentelemetry-sdk/src/opentelemetry/sdk/metrics/_internal/__init__.py

@@ -537,7 +537,6 @@ def get_meter(
         attributes: Optional[Attributes] = None,
     ) -> Meter:
         if self._disabled:
-            _logger.warning("SDK is disabled.")
             return NoOpMeter(name, version=version, schema_url=schema_url)
 
         if self._shutdown:

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

@@ -1228,7 +1228,6 @@ def get_tracer(
         attributes: typing.Optional[types.Attributes] = None,
     ) -> "trace_api.Tracer":
         if self._disabled:
-            logger.warning("SDK is disabled.")
             return NoOpTracer()
         if not instrumenting_module_name:  # Reject empty strings too.
             instrumenting_module_name = ""

opentelemetry-sdk/tests/logs/test_handler.py

@@ -15,7 +15,6 @@
 import logging
 import os
 import unittest
-import warnings
 from unittest.mock import Mock, patch
 
 from opentelemetry._logs import NoOpLoggerProvider, SeverityNumber
@@ -290,11 +289,7 @@ def test_handler_root_logger_with_disabled_sdk_does_not_go_into_recursion_error(
         processor, logger = set_up_test_logging(
             logging.NOTSET, root_logger=True
         )
-        with warnings.catch_warnings(record=True) as cw:
-            logger.warning("hello")
-
-        self.assertEqual(len(cw), 1)
-        self.assertEqual("SDK is disabled.", str(cw[0].message))
+        logger.warning("hello")
 
         self.assertEqual(processor.emit_count(), 0)
 

opentelemetry-sdk/tests/logs/test_logs.py

@@ -15,7 +15,6 @@
 # pylint: disable=protected-access
 
 import unittest
-import warnings
 from unittest.mock import Mock, patch
 
 from opentelemetry.sdk._logs import LoggerProvider
@@ -70,12 +69,9 @@ def test_get_logger(self):
 
     @patch.dict("os.environ", {OTEL_SDK_DISABLED: "true"})
     def test_get_logger_with_sdk_disabled(self):
-        with warnings.catch_warnings(record=True) as cw:
-            logger = LoggerProvider().get_logger(Mock())
+        logger = LoggerProvider().get_logger(Mock())
 
         self.assertIsInstance(logger, NoOpLogger)
-        self.assertEqual(len(cw), 1)
-        self.assertEqual("SDK is disabled.", str(cw[0].message))
 
     @patch.object(Resource, "create")
     def test_logger_provider_init(self, resource_patch):