chore: change metrics aggregation temporality to delta

Author: LucasAlvesSoares

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "sap-cloud-sdk"
-version = "0.3.1"
+version = "0.3.2"
 description = "SAP Cloud SDK for Python"
 readme = "README.md"
 license = "Apache-2.0"

src/sap_cloud_sdk/core/telemetry/_provider.py

@@ -5,8 +5,19 @@
 
 from opentelemetry import metrics
 from opentelemetry.exporter.otlp.proto.grpc.metric_exporter import OTLPMetricExporter
-from opentelemetry.sdk.metrics import MeterProvider
-from opentelemetry.sdk.metrics.export import PeriodicExportingMetricReader
+from opentelemetry.sdk.metrics import (
+    MeterProvider,
+    Counter,
+    Histogram,
+    ObservableCounter,
+    ObservableGauge,
+    ObservableUpDownCounter,
+    UpDownCounter,
+)
+from opentelemetry.sdk.metrics.export import (
+    AggregationTemporality,
+    PeriodicExportingMetricReader,
+)
 from opentelemetry.sdk.resources import Resource
 
 from sap_cloud_sdk.core.telemetry.config import (
@@ -73,9 +84,16 @@ def _setup_meter_provider() -> Optional[MeterProvider]:
     try:
         resource = Resource.create(create_resource_attributes_from_env())
 
-        # Create OTLP exporter
         exporter = OTLPMetricExporter(
             endpoint=config.otlp_endpoint,
+            preferred_temporality={
+                Counter: AggregationTemporality.DELTA,
+                Histogram: AggregationTemporality.DELTA,
+                ObservableCounter: AggregationTemporality.DELTA,
+                ObservableGauge: AggregationTemporality.DELTA,
+                ObservableUpDownCounter: AggregationTemporality.DELTA,
+                UpDownCounter: AggregationTemporality.DELTA,
+            },
         )
 
         # Create metric reader with periodic export

tests/core/unit/telemetry/test_provider.py

@@ -3,6 +3,9 @@
 import pytest
 from unittest.mock import patch, MagicMock
 
+from opentelemetry.sdk.metrics import Counter, Histogram, ObservableCounter, ObservableGauge, ObservableUpDownCounter, UpDownCounter
+from opentelemetry.sdk.metrics.export import AggregationTemporality
+
 from sap_cloud_sdk.core.telemetry._provider import (
     get_meter,
     shutdown,
@@ -182,9 +185,17 @@ def test_setup_meter_provider_success(self):
 
                                 assert result is mock_provider
 
-                                # Verify exporter was created with endpoint
+                                # Verify exporter was created with endpoint and delta temporality
                                 mock_exporter_class.assert_called_once_with(
-                                    endpoint="http://localhost:4317"
+                                    endpoint="http://localhost:4317",
+                                    preferred_temporality={
+                                        Counter: AggregationTemporality.DELTA,
+                                        Histogram: AggregationTemporality.DELTA,
+                                        ObservableCounter: AggregationTemporality.DELTA,
+                                        ObservableGauge: AggregationTemporality.DELTA,
+                                        ObservableUpDownCounter: AggregationTemporality.DELTA,
+                                        UpDownCounter: AggregationTemporality.DELTA,
+                                    },
                                 )
 
                                 # Verify reader was created with exporter
@@ -224,5 +235,15 @@ def test_setup_meter_provider_with_valid_config(self):
                                     result = _setup_meter_provider()
 
                                     assert result is mock_provider
-                                    # Verify exporter was created with correct endpoint
-                                    mock_exporter.assert_called_with(endpoint=config.otlp_endpoint)
+                                    # Verify exporter was created with correct endpoint and delta temporality
+                                    mock_exporter.assert_called_with(
+                                        endpoint=config.otlp_endpoint,
+                                        preferred_temporality={
+                                            Counter: AggregationTemporality.DELTA,
+                                            Histogram: AggregationTemporality.DELTA,
+                                            ObservableCounter: AggregationTemporality.DELTA,
+                                            ObservableGauge: AggregationTemporality.DELTA,
+                                            ObservableUpDownCounter: AggregationTemporality.DELTA,
+                                            UpDownCounter: AggregationTemporality.DELTA,
+                                        },
+                                    )