Merge pull request #1 from DataDog/jordan.gonzalez/add-benchmark-dockerfile

chore: add benchmark `Dockerfile`

Author: duncanista

scripts/Dockerfile.benchmark

@@ -0,0 +1,45 @@
+FROM ubuntu:latest as builder
+ARG ARCH
+
+# make the args mandatory
+RUN : "${ARCH:?ARCH needs to be provided}"
+
+RUN apt-get update && \
+    apt-get install -y zip curl
+
+# Copy current branch tracer build
+COPY /tracer-build /datadog
+
+WORKDIR /opt
+
+# remove some useless files in a serverless context to keep the package as small as possible
+RUN rm datadog/createLogPath.sh && \
+    rm datadog/*.so && \
+    rm datadog/loader.conf && \
+    rm datadog/**/loader.conf && \
+    rm datadog/**/libddwaf.so && \
+    rm datadog/**/Datadog.Trace.ClrProfiler.Native.so && \
+    rm datadog/**/Datadog.Linux.ApiWrapper.x64.so && \
+    rm datadog/**/Datadog.Profiler.Native.so && \
+    rm datadog/**/Datadog.Trace.MSBuild.* && \
+    rm datadog/**/*.pdb && \
+    rm datadog/**/*.xml && \
+    rm datadog/dd-dotnet.sh && \
+    rm datadog/**/dd-dotnet && \
+    rm -rf datadog/netstandard2.0 && \
+    rm -rf datadog/netcoreapp3.1 && \
+    rm -rf datadog/continuousprofiler
+
+# HACK: rename the tracer library so the logic in datadog_wrapper keeps working
+# See also https://github.com/DataDog/datadog-lambda-extension/pull/150
+RUN if [ -f datadog/linux-x64/Datadog.Tracer.Native.so ]; then mv datadog/linux-x64/Datadog.Tracer.Native.so datadog/linux-x64/Datadog.Trace.ClrProfiler.Native.so; fi
+RUN if [ -f datadog/linux-arm64/Datadog.Tracer.Native.so ]; then mv datadog/linux-arm64/Datadog.Tracer.Native.so datadog/linux-arm64/Datadog.Trace.ClrProfiler.Native.so; fi
+
+# zip the layer
+RUN mkdir /datadog
+RUN zip -r -9 /datadog/dd_trace_dotnet.zip datadog
+
+# keep the smallest possible docker image
+FROM scratch
+COPY --from=builder /datadog/dd_trace_dotnet.zip /
+ENTRYPOINT ["/dd_trace_dotnet.zip"]

scripts/build_layer.sh

@@ -29,6 +29,10 @@ if [ ! -z "$SANDBOX" ]; then
     DOCKERFILE="./scripts/Dockerfile.sandbox"
 fi
 
+if [ ! -z "$BENCHMARK" ]; then
+    DOCKERFILE="./scripts/Dockerfile.benchmark"
+fi
+
 # Build the image
 function docker_build_zip {
     arch=$1