Revert "Remove gRPC dependency for Docker - temporary (#168)" (#169)

This reverts commit b1bad4e.

*Issue #, if available:*

*Description of changes:*


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.github/workflows/main_build.yml

@@ -5,10 +5,6 @@ on:
     branches:
       - main
       - "release/v*"
-  pull_request:
-    branches:
-      - main
-
 env:
   AWS_DEFAULT_REGION: us-east-1
   STAGING_ECR_REGISTRY: 637423224110.dkr.ecr.us-east-1.amazonaws.com

Dockerfile

@@ -16,8 +16,6 @@ WORKDIR /operator-build
 ADD aws-opentelemetry-distro/ ./aws-opentelemetry-distro/
 
 RUN mkdir workspace && pip install --target workspace ./aws-opentelemetry-distro
-RUN pip uninstall opentelemetry-exporter-otlp-proto-grpc -y
-RUN pip uninstall grpcio -y
 
 FROM public.ecr.aws/amazonlinux/amazonlinux:minimal
 

aws-opentelemetry-distro/src/amazon/opentelemetry/distro/aws_opentelemetry_configurator.py

@@ -17,6 +17,7 @@
 )
 from amazon.opentelemetry.distro.aws_span_metrics_processor_builder import AwsSpanMetricsProcessorBuilder
 from amazon.opentelemetry.distro.sampler.aws_xray_remote_sampler import AwsXRayRemoteSampler
+from opentelemetry.exporter.otlp.proto.grpc.metric_exporter import OTLPMetricExporter as OTLPGrpcOTLPMetricExporter
 from opentelemetry.exporter.otlp.proto.http.metric_exporter import OTLPMetricExporter as OTLPHttpOTLPMetricExporter
 from opentelemetry.sdk._configuration import (
     _get_exporter_names,
@@ -301,12 +302,6 @@ def create_exporter(self):
                 endpoint=application_signals_endpoint, preferred_temporality=temporality_dict
             )
         if protocol == "grpc":
-            # pylint: disable=import-outside-toplevel
-            # Delay import to only occur if grpc required.
-            from opentelemetry.exporter.otlp.proto.grpc.metric_exporter import (
-                OTLPMetricExporter as OTLPGrpcOTLPMetricExporter,
-            )
-
             return OTLPGrpcOTLPMetricExporter(
                 endpoint=application_signals_endpoint, preferred_temporality=temporality_dict
             )