Pyroscope.musl.Dockerfile

FROM alpine:3.18 AS builder

RUN apk add \
            clang \
            cmake \
            git \
            bash \
            make \
            alpine-sdk \
            util-linux-dev \
            autoconf \
            libtool \
            automake \
            xz-dev \
            musl-dbg \
            perl \
            linux-headers

RUN apk add wget
RUN apk add go

# Build OpenSSL from source with static libs
ARG OPENSSL_VERSION=3.5.6
RUN wget -q "https://github.com/openssl/openssl/releases/download/openssl-${OPENSSL_VERSION}/openssl-${OPENSSL_VERSION}.tar.gz" && \
    tar xf openssl-${OPENSSL_VERSION}.tar.gz && \
    cd openssl-${OPENSSL_VERSION} && \
    ./config no-shared no-tests --prefix=/usr/local/openssl --openssldir=/etc/ssl && \
    make -j$(nproc) && \
    make install_sw && \
    ln -s /usr/local/openssl/lib64 /usr/local/openssl/lib && \
    cd .. && rm -rf openssl-${OPENSSL_VERSION} openssl-${OPENSSL_VERSION}.tar.gz

FROM builder as build

WORKDIR /profiler
ENV IsAlpine=true

ADD build build
ADD profiler profiler
ADD shared shared
ADD CMakeLists.txt CMakeLists.txt

# Allow build type to be passed as build arg, default to Release
ARG CMAKE_BUILD_TYPE=Release
RUN mkdir build-${CMAKE_BUILD_TYPE} && \
    cd build-${CMAKE_BUILD_TYPE} && \
    cmake .. \
        -DCMAKE_C_COMPILER=clang \
        -DCMAKE_CXX_COMPILER=clang++ \
        -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} \
        -DCMAKE_CXX_FLAGS_DEBUG="-g -O0" \
        -DCMAKE_C_FLAGS_DEBUG="-g -O0" \
        -DOPENSSL_ROOT_DIR=/usr/local/openssl

RUN cd build-${CMAKE_BUILD_TYPE} && make -j16 Pyroscope.Profiler.Native Datadog.Linux.ApiWrapper.x64

FROM build AS test
RUN cd build-${CMAKE_BUILD_TYPE} && make -j$(nproc) profiler-native-tests wrapper-native-tests
# Run profiler unit tests
RUN cd build-${CMAKE_BUILD_TYPE}/profiler && ctest --output-on-failure -E "WrappedFunctionsTest"
# Run wrapper tests with LD_PRELOAD so wrapped functions resolve to the wrapper library
RUN WRAPPER_SO=$(find /profiler/profiler/_build/DDProf-Deploy/linux-musl -name "Datadog.Linux.ApiWrapper.x64.so" | head -1) && \
    cd build-${CMAKE_BUILD_TYPE}/profiler && \
    LD_PRELOAD="${WRAPPER_SO}" ctest --output-on-failure -R "WrappedFunctionsTest"

FROM busybox:1.37.0-musl@sha256:19b646668802469d968a05342a601e78da4322a414a7c09b1c9ee25165042138
COPY --from=build /profiler/profiler/_build/DDProf-Deploy/linux-musl/Pyroscope.Profiler.Native.so /Pyroscope.Profiler.Native.so
COPY --from=build /profiler/profiler/_build/DDProf-Deploy/linux-musl/Datadog.Linux.ApiWrapper.x64.so /Pyroscope.Linux.ApiWrapper.x64.so