ARG BUILD_IMAGE
ARG KERNEL_VERSION
ARG PKG_HASH

FROM linuxkit/kernel:${KERNEL_VERSION}-${PKG_HASH} as ksrc

FROM ${BUILD_IMAGE} AS build
RUN apk update && apk upgrade -a && \
  apk add --no-cache \
  argp-standalone \
  autoconf \
  automake \
  bison \
  build-base \
  clang \
  clang-dev \
  clang-static \
  cmake \
  curl \
  elfutils-dev \
  flex-dev \
  gettext-dev \
  git \
  iperf3 \
  libedit-dev \
  libtool \
  libxml2 \
  llvm19 \
  llvm19-dev \
  llvm19-static \
  llvm19-gtest \
  m4 \
  musl-fts-dev \
  python3 \
  py3-pip \
  xz \
  zip \
  zlib-dev \
  && true

WORKDIR /build

COPY --from=ksrc /kernel-headers.tar /build
COPY --from=ksrc /kernel-dev.tar /build
COPY --from=ksrc /kernel.tar /build
RUN tar xf /build/kernel-headers.tar && \
    tar xf /build/kernel-dev.tar && \
    tar xf /build/kernel.tar

RUN mkdir -p /out/usr/ && \
    cp -a /build/usr/src /out/usr/ && \
    cp -a /build/usr/include /out/usr
RUN mkdir -p /out/usr/lib && \
    cp -a /usr/lib/libelf* /out/usr/lib/ && \
    cp -a /usr/lib/libstdc* /out/usr/lib/ && \
    cp -a /usr/lib/libintl* /out/usr/lib/

RUN PYTHONPATH=$(python3 -c "import sysconfig; print(sysconfig.get_path('stdlib'))") && mkdir -p /out${PYTHONPATH} && \
    cp -a ${PYTHONPATH}/site-packages /out/${PYTHONPATH}
FROM ${BUILD_IMAGE} as mirror
RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
RUN apk update && apk upgrade -a && \
  apk add --no-cache --initdb -p /out \
  bcc \
  bcc-dev \
  bcc-tools \
  busybox \
  python3 \
  zlib \
  && true

# lua/luajit is not available on all platforms, but we do not consider it blocking
RUN apk add --no-cache -p /out luajit || true
RUN apk add --no-cache -p /out bcc-lua || true

FROM scratch
ENTRYPOINT []
CMD []
WORKDIR /
ENV LD_LIBRARY_PATH=${LD_LIBRARY_PATH}
COPY --from=mirror /out /
COPY --from=build /out /