diff --git a/src/elasticotel/distro/__init__.py b/src/elasticotel/distro/__init__.py index ae2c631..f1025be 100644 --- a/src/elasticotel/distro/__init__.py +++ b/src/elasticotel/distro/__init__.py @@ -48,6 +48,7 @@ from opentelemetry.sdk.environment_variables import ( OTEL_METRICS_EXEMPLAR_FILTER, OTEL_EXPERIMENTAL_RESOURCE_DETECTORS, + OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE, OTEL_EXPORTER_OTLP_PROTOCOL, _OTEL_PYTHON_LOGGING_AUTO_INSTRUMENTATION_ENABLED, ) @@ -141,3 +142,5 @@ def _configure(self, **kwargs): os.environ.setdefault(OTEL_EXPERIMENTAL_RESOURCE_DETECTORS, "process_runtime,os,otel,telemetry_distro") # disable exemplars by default for now os.environ.setdefault(OTEL_METRICS_EXEMPLAR_FILTER, "always_off") + # preference to use DELTA temporality as we can handle only this kind of Histograms + os.environ.setdefault(OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE, "DELTA") diff --git a/tests/distro/test_distro.py b/tests/distro/test_distro.py index 6f37c20..12b558a 100644 --- a/tests/distro/test_distro.py +++ b/tests/distro/test_distro.py @@ -27,6 +27,7 @@ from opentelemetry.sdk.environment_variables import ( OTEL_METRICS_EXEMPLAR_FILTER, OTEL_EXPERIMENTAL_RESOURCE_DETECTORS, + OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE, OTEL_EXPORTER_OTLP_PROTOCOL, ) @@ -44,6 +45,7 @@ def test_default_configuration(self): "process_runtime,os,otel,telemetry_distro", os.environ.get(OTEL_EXPERIMENTAL_RESOURCE_DETECTORS) ) self.assertEqual("always_off", os.environ.get(OTEL_METRICS_EXEMPLAR_FILTER)) + self.assertEqual("DELTA", os.environ.get(OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE)) @mock.patch.dict("os.environ", {}, clear=True) def test_load_instrumentor_call_with_default_kwargs_for_SystemMetricsInstrumentor(self):