Update opentelemetry_metrics_exporter entrypoint to a MetricReader factory

CHANGELOG.md

@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Modify Prometheus exporter to translate non-monotonic Sums into Gauges
   ([#3306](https://github.com/open-telemetry/opentelemetry-python/pull/3306))
+- Update `opentelemetry_metrics_exporter` entrypoint to a MetricReader factory
+  ([#3412](https://github.com/open-telemetry/opentelemetry-python/pull/3412))
+
 
 
 ## Version 1.19.0/0.40b0 (2023-07-13)

exporter/opentelemetry-exporter-otlp-proto-grpc/pyproject.toml

@@ -45,7 +45,7 @@ test = [
 otlp_proto_grpc = "opentelemetry.exporter.otlp.proto.grpc._log_exporter:OTLPLogExporter"
 
 [project.entry-points.opentelemetry_metrics_exporter]
-otlp_proto_grpc = "opentelemetry.exporter.otlp.proto.grpc.metric_exporter:OTLPMetricExporter"
+otlp_proto_grpc = "opentelemetry.exporter.otlp.proto.grpc.metric_exporter:_otlp_metric_exporter_entrypoint"
 
 [project.entry-points.opentelemetry_traces_exporter]
 otlp_proto_grpc = "opentelemetry.exporter.otlp.proto.grpc.trace_exporter:OTLPSpanExporter"

exporter/opentelemetry-exporter-otlp-proto-grpc/src/opentelemetry/exporter/otlp/proto/grpc/metric_exporter/__init__.py

@@ -54,7 +54,9 @@
     Metric,
     MetricExporter,
     MetricExportResult,
+    MetricReader,
     MetricsData,
+    PeriodicExportingMetricReader,
     ResourceMetrics,
     ScopeMetrics,
 )
@@ -102,7 +104,6 @@ def __init__(
         preferred_aggregation: Dict[type, Aggregation] = None,
         max_export_batch_size: Optional[int] = None,
     ):
-
         if insecure is None:
             insecure = environ.get(OTEL_EXPORTER_OTLP_METRICS_INSECURE)
             if insecure is not None:
@@ -260,3 +261,8 @@ def _exporting(self) -> str:
     def force_flush(self, timeout_millis: float = 10_000) -> bool:
         """Nothing is buffered in this exporter, so this method does nothing."""
         return True
+
+
+def _otlp_metric_exporter_entrypoint() -> MetricReader:
+    """Implementation of opentelemetry_metrics_exporter entrypoint"""
+    return PeriodicExportingMetricReader(OTLPMetricExporter())

exporter/opentelemetry-exporter-otlp-proto-grpc/tests/test_entrypoints.py

@@ -0,0 +1,55 @@
+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from unittest import TestCase
+
+from opentelemetry.exporter.otlp.proto.grpc._log_exporter import (
+    OTLPLogExporter,
+)
+from opentelemetry.exporter.otlp.proto.grpc.metric_exporter import (
+    _otlp_metric_exporter_entrypoint,
+)
+from opentelemetry.exporter.otlp.proto.grpc.trace_exporter import (
+    OTLPSpanExporter,
+)
+from opentelemetry.sdk._configuration import _import_exporters
+
+
+class TestEntrypoints(TestCase):
+    def test_import_exporters(self) -> None:
+        """
+        Tests that the entrypoints can be loaded and don't have a typo in the names
+        """
+        (
+            trace_exporters,
+            metric_exporters,
+            logs_exporters,
+        ) = _import_exporters(
+            trace_exporter_names=["otlp_proto_grpc"],
+            metric_exporter_names=["otlp_proto_grpc"],
+            log_exporter_names=["otlp_proto_grpc"],
+        )
+
+        self.assertEqual(
+            trace_exporters,
+            {"otlp_proto_grpc": OTLPSpanExporter},
+        )
+        self.assertEqual(
+            metric_exporters,
+            {"otlp_proto_grpc": _otlp_metric_exporter_entrypoint},
+        )
+        self.assertEqual(
+            logs_exporters,
+            {"otlp_proto_grpc": OTLPLogExporter},
+        )

exporter/opentelemetry-exporter-otlp-proto-http/pyproject.toml

@@ -45,7 +45,7 @@ test = [
 otlp_proto_http = "opentelemetry.exporter.otlp.proto.http.trace_exporter:OTLPSpanExporter"
 
 [project.entry-points.opentelemetry_metrics_exporter]
-otlp_proto_http = "opentelemetry.exporter.otlp.proto.http.metric_exporter:OTLPMetricExporter"
+otlp_proto_http = "opentelemetry.exporter.otlp.proto.http.metric_exporter:_otlp_metric_exporter_entrypoint"
 
 [project.entry-points.opentelemetry_logs_exporter]
 otlp_proto_http = "opentelemetry.exporter.otlp.proto.http._log_exporter:OTLPLogExporter"

exporter/opentelemetry-exporter-otlp-proto-http/src/opentelemetry/exporter/otlp/proto/http/metric_exporter/__init__.py

@@ -63,7 +63,9 @@
     AggregationTemporality,
     MetricExporter,
     MetricExportResult,
+    MetricReader,
     MetricsData,
+    PeriodicExportingMetricReader,
 )
 from opentelemetry.sdk.metrics.export import (  # noqa: F401
     Gauge,
@@ -101,7 +103,6 @@ def _expo(*args, **kwargs):
 
 
 class OTLPMetricExporter(MetricExporter, OTLPMetricExporterMixin):
-
     _MAX_RETRY_TIMEOUT = 64
 
     def __init__(
@@ -182,7 +183,6 @@ def export(
     ) -> MetricExportResult:
         serialized_data = encode_metrics(metrics_data)
         for delay in _expo(max_value=self._MAX_RETRY_TIMEOUT):
-
             if delay == self._MAX_RETRY_TIMEOUT:
                 return MetricExportResult.FAILURE
 
@@ -247,3 +247,8 @@ def _append_metrics_path(endpoint: str) -> str:
     if endpoint.endswith("/"):
         return endpoint + DEFAULT_METRICS_EXPORT_PATH
     return endpoint + f"/{DEFAULT_METRICS_EXPORT_PATH}"
+
+
+def _otlp_metric_exporter_entrypoint() -> MetricReader:
+    """Implementation of opentelemetry_metrics_exporter entrypoint"""
+    return PeriodicExportingMetricReader(OTLPMetricExporter())

exporter/opentelemetry-exporter-otlp-proto-http/tests/test_entrypoints.py

@@ -0,0 +1,55 @@
+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from unittest import TestCase
+
+from opentelemetry.exporter.otlp.proto.http._log_exporter import (
+    OTLPLogExporter,
+)
+from opentelemetry.exporter.otlp.proto.http.metric_exporter import (
+    _otlp_metric_exporter_entrypoint,
+)
+from opentelemetry.exporter.otlp.proto.http.trace_exporter import (
+    OTLPSpanExporter,
+)
+from opentelemetry.sdk._configuration import _import_exporters
+
+
+class TestEntrypoints(TestCase):
+    def test_import_exporters(self) -> None:
+        """
+        Tests that the entrypoints can be loaded and don't have a typo in the names
+        """
+        (
+            trace_exporters,
+            metric_exporters,
+            logs_exporters,
+        ) = _import_exporters(
+            trace_exporter_names=["otlp_proto_http"],
+            metric_exporter_names=["otlp_proto_http"],
+            log_exporter_names=["otlp_proto_http"],
+        )
+
+        self.assertEqual(
+            trace_exporters,
+            {"otlp_proto_http": OTLPSpanExporter},
+        )
+        self.assertEqual(
+            metric_exporters,
+            {"otlp_proto_http": _otlp_metric_exporter_entrypoint},
+        )
+        self.assertEqual(
+            logs_exporters,
+            {"otlp_proto_http": OTLPLogExporter},
+        )

exporter/opentelemetry-exporter-otlp/pyproject.toml

@@ -34,7 +34,7 @@ dependencies = [
 otlp = "opentelemetry.exporter.otlp.proto.grpc._log_exporter:OTLPLogExporter"
 
 [project.entry-points.opentelemetry_metrics_exporter]
-otlp = "opentelemetry.exporter.otlp.proto.grpc.metric_exporter:OTLPMetricExporter"
+otlp = "opentelemetry.exporter.otlp.proto.grpc.metric_exporter:_otlp_metric_exporter_entrypoint"
 
 [project.entry-points.opentelemetry_traces_exporter]
 otlp = "opentelemetry.exporter.otlp.proto.grpc.trace_exporter:OTLPSpanExporter"

exporter/opentelemetry-exporter-otlp/tests/test_entrypoints.py

@@ -0,0 +1,55 @@
+# Copyright The OpenTelemetry Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from unittest import TestCase
+
+from opentelemetry.exporter.otlp.proto.grpc._log_exporter import (
+    OTLPLogExporter,
+)
+from opentelemetry.exporter.otlp.proto.grpc.metric_exporter import (
+    _otlp_metric_exporter_entrypoint,
+)
+from opentelemetry.exporter.otlp.proto.grpc.trace_exporter import (
+    OTLPSpanExporter,
+)
+from opentelemetry.sdk._configuration import _import_exporters
+
+
+class TestEntrypoints(TestCase):
+    def test_import_exporters(self) -> None:
+        """
+        Tests that the entrypoints can be loaded and don't have a typo in the names
+        """
+        (
+            trace_exporters,
+            metric_exporters,
+            logs_exporters,
+        ) = _import_exporters(
+            trace_exporter_names=["otlp"],
+            metric_exporter_names=["otlp"],
+            log_exporter_names=["otlp"],
+        )
+
+        self.assertEqual(
+            trace_exporters,
+            {"otlp": OTLPSpanExporter},
+        )
+        self.assertEqual(
+            metric_exporters,
+            {"otlp": _otlp_metric_exporter_entrypoint},
+        )
+        self.assertEqual(
+            logs_exporters,
+            {"otlp": OTLPLogExporter},
+        )

opentelemetry-sdk/pyproject.toml

@@ -58,7 +58,7 @@ console = "opentelemetry.sdk._logs.export:ConsoleLogExporter"
 sdk_meter_provider = "opentelemetry.sdk.metrics:MeterProvider"
 
 [project.entry-points.opentelemetry_metrics_exporter]
-console = "opentelemetry.sdk.metrics.export:ConsoleMetricExporter"
+console = "opentelemetry.sdk.metrics._internal.export:_console_metric_exporter_entrypoint"
 
 [project.entry-points.opentelemetry_tracer_provider]
 sdk_tracer_provider = "opentelemetry.sdk.trace:TracerProvider"