# Base UBI image for s390x architecture
ARG BASE_UBI_IMAGE_TAG=9.6
ARG PYTHON_VERSION=3.12
FROM registry.access.redhat.com/ubi9/ubi-minimal:${BASE_UBI_IMAGE_TAG} AS base

# Install basic dependencies
ARG PYTHON_VERSION
ENV PYTHON_VERSION=${PYTHON_VERSION}

WORKDIR /workspace

ENV LANG=C.UTF-8 \
    LC_ALL=C.UTF-8

# Install development utilities
RUN microdnf install -y \
    which procps findutils tar vim git gcc-toolset-14 gcc-toolset-14-binutils gcc-toolset-14-libatomic-devel patch zlib-devel \
    libjpeg-turbo-devel libtiff-devel libpng-devel libwebp-devel freetype-devel harfbuzz-devel \
    openssl-devel openblas openblas-devel autoconf automake libtool cmake numpy libsndfile \
    clang llvm-devel llvm-static clang-devel && \
    microdnf clean all

ENV GCC_TOOLSET_ROOT=/opt/rh/gcc-toolset-14/root \
    PATH=/opt/rh/gcc-toolset-14/root/usr/bin:/usr/local/bin:/usr/bin:/bin \
    LD_LIBRARY_PATH=/opt/rh/gcc-toolset-14/root/usr/lib64:/usr/local/lib:/usr/lib64 \
    LIBRARY_PATH=/opt/rh/gcc-toolset-14/root/usr/lib64 \
    PKG_CONFIG_PATH=/opt/rh/gcc-toolset-14/root/usr/lib64/pkgconfig

# Python Installation
FROM base AS python-install
ARG PYTHON_VERSION

ENV VIRTUAL_ENV=/opt/vllm
ENV PATH="$VIRTUAL_ENV/bin:$PATH"
ENV PYTHON_VERSION=${PYTHON_VERSION}
RUN microdnf install -y \
    python${PYTHON_VERSION}-devel python${PYTHON_VERSION}-pip python${PYTHON_VERSION}-wheel  && \
    python${PYTHON_VERSION} -m venv $VIRTUAL_ENV && pip install --no-cache -U pip wheel uv && microdnf clean all

FROM python-install AS rust
ENV CARGO_HOME=/root/.cargo
ENV RUSTUP_HOME=/root/.rustup
ENV PATH="$CARGO_HOME/bin:$RUSTUP_HOME/bin:$PATH"

RUN curl https://sh.rustup.rs -sSf | sh -s -- -y && \
    . "$CARGO_HOME/env" && \
    rustup default stable && \
    rustup show

FROM python-install AS numa-build
WORKDIR /tmp
RUN curl -LO https://github.com/numactl/numactl/archive/refs/tags/v2.0.19.tar.gz && \
    tar -xvzf v2.0.19.tar.gz && \
    cd numactl-2.0.19 && \
    ./autogen.sh && \
    ./configure && \
    make

# Set include path
ENV C_INCLUDE_PATH="/usr/local/include:$C_INCLUDE_PATH"

FROM python-install AS torch-vision
# Install torchvision
ARG TORCH_VISION_VERSION=v0.26.0
WORKDIR /tmp
RUN --mount=type=cache,target=/root/.cache/uv \
    git clone https://github.com/pytorch/vision.git && \
    cd vision && \
    git checkout $TORCH_VISION_VERSION && \
    uv pip install torch==2.11.0 --index-url https://download.pytorch.org/whl/cpu && \
    python setup.py bdist_wheel

FROM python-install AS hf-xet-builder
# Install hf-xet
WORKDIR /tmp
ENV CARGO_HOME=/root/.cargo
ENV RUSTUP_HOME=/root/.rustup
ENV PATH="$CARGO_HOME/bin:$RUSTUP_HOME/bin:$PATH"
RUN --mount=type=cache,target=/root/.cache/uv \
    --mount=type=bind,from=rust,source=/root/.cargo,target=/root/.cargo,rw \
    --mount=type=bind,from=rust,source=/root/.rustup,target=/root/.rustup,rw \
    git clone https://github.com/huggingface/xet-core.git && \
    cd xet-core/hf_xet/ && \
    uv pip install maturin patchelf && \
    python -m maturin build --release --out dist && \
    mkdir -p /tmp/hf-xet/dist && \
    cp dist/*.whl /tmp/hf-xet/dist/

# Build numba
FROM python-install AS numba-builder

ARG MAX_JOBS
ARG NUMBA_VERSION=0.65.0

WORKDIR /tmp

# Clone all required dependencies
RUN --mount=type=cache,target=/root/.cache/uv \
    microdnf install ninja-build gcc gcc-c++ -y && \
    git clone --recursive https://github.com/numba/llvmlite.git -b v0.47.0 && \
    git clone --recursive https://github.com/numba/numba.git -b ${NUMBA_VERSION} && \
    cd llvmlite && \
    uv pip install 'cmake<4' 'setuptools<70' numpy && \
    python setup.py bdist_wheel && \
    cd ../numba && \
    if ! grep '#include "dynamic_annotations.h"' numba/_dispatcher.cpp; then \
       sed -i '/#include "internal\/pycore_atomic.h"/i\#include "dynamic_annotations.h"' numba/_dispatcher.cpp; \
    fi && python setup.py bdist_wheel

# Build OpenCV from source for s390x
FROM python-install AS opencv-builder
WORKDIR /tmp
ARG MAX_JOBS
ARG OPENCV_VERSION=90
ARG ENABLE_HEADLESS=1
RUN --mount=type=cache,target=/root/.cache/uv \
    uv pip install numpy setuptools  wheel scikit_build build && \
    git clone --recursive https://github.com/opencv/opencv-python.git -b ${OPENCV_VERSION} && \
    cd opencv-python && \
    python -m build --wheel --installer=uv --outdir /tmp/opencv-python/dist

# # Final build stage
FROM python-install AS vllm-cpu
ARG PYTHON_VERSION
ARG PIP_EXTRA_INDEX_URL="https://download.pytorch.org/whl/cpu"
# Set correct library path for torch and numactl
ENV LD_LIBRARY_PATH="/opt/vllm/lib64/python${PYTHON_VERSION}/site-packages/torch/lib:/usr/local/lib:/opt/rh/gcc-toolset-14/root/usr/lib64:$LD_LIBRARY_PATH"
ENV C_INCLUDE_PATH="/usr/local/include:$C_INCLUDE_PATH"
ENV UV_LINK_MODE=copy
ENV CARGO_HOME=/root/.cargo
ENV RUSTUP_HOME=/root/.rustup
ENV GRPC_PYTHON_BUILD_SYSTEM_OPENSSL=1
ENV PCP_DIR=/opt/rh/gcc-toolset-14/root
ENV PKG_CONFIG_PATH="/opt/rh/gcc-toolset-14/root/usr/lib64/pkgconfig:/usr/local/lib/pkgconfig/"
ENV PATH="${VIRTUAL_ENV:+${VIRTUAL_ENV}/bin}:/opt/rh/gcc-toolset-14/root/usr/bin:/usr/local/bin:$CARGO_HOME/bin:$RUSTUP_HOME/bin:$PATH"
ENV PIP_EXTRA_INDEX_URL=${PIP_EXTRA_INDEX_URL}
ENV UV_EXTRA_INDEX_URL=${PIP_EXTRA_INDEX_URL}
# Force pure Python protobuf to avoid s390x C++ extension crashes
ENV PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python
COPY . /workspace/vllm
WORKDIR /workspace/vllm

RUN --mount=type=bind,from=numa-build,src=/tmp/numactl-2.0.19,target=/numactl \
    make -C /numactl install

# Install dependencies, including PyTorch and Apache Arrow
RUN --mount=type=cache,target=/root/.cache/uv \
    --mount=type=bind,from=rust,source=/root/.cargo,target=/root/.cargo,rw \
    --mount=type=bind,from=rust,source=/root/.rustup,target=/root/.rustup,rw \
    --mount=type=bind,from=torch-vision,source=/tmp/vision/dist,target=/tmp/vision-wheels/ \
    --mount=type=bind,from=hf-xet-builder,source=/tmp/hf-xet/dist,target=/tmp/hf-xet-wheels/ \
    --mount=type=bind,from=numba-builder,source=/tmp/llvmlite/dist,target=/tmp/llvmlite-wheels/ \
    --mount=type=bind,from=numba-builder,source=/tmp/numba/dist,target=/tmp/numba-wheels/ \
    --mount=type=bind,from=opencv-builder,source=/tmp/opencv-python/dist,target=/tmp/opencv-wheels/ \
     VISION_WHL_FILE=$(ls /tmp/vision-wheels/*.whl) && \
     HF_XET_WHL_FILE=$(ls /tmp/hf-xet-wheels/*.whl) && \
     LLVM_WHL_FILE=$(ls /tmp/llvmlite-wheels/*.whl) && \
     NUMBA_WHL_FILE=$(ls /tmp/numba-wheels/*.whl) && \
     OPENCV_WHL_FILE=$(ls /tmp/opencv-wheels/*.whl) && \
     uv pip install -v \
        $ARROW_WHL_FILE \
        $VISION_WHL_FILE \
        $HF_XET_WHL_FILE \
        $LLVM_WHL_FILE \
        $NUMBA_WHL_FILE \
        $OPENCV_WHL_FILE \
        --torch-backend cpu \
        --index-strategy unsafe-best-match \
        -r requirements/build/cpu.txt \
        -r requirements/cpu.txt


# Build and install vllm
RUN --mount=type=cache,target=/root/.cache/uv \
    VLLM_TARGET_DEVICE=cpu VLLM_CPU_MOE_PREPACK=0 python setup.py bdist_wheel && \
    uv pip install "$(echo dist/*.whl)[tensorizer]"

# Remove protobuf C++ extension that crashes on s390x
RUN rm -rf /opt/vllm/lib64/python${PYTHON_VERSION}/site-packages/google/_upb/*.so \
           /opt/vllm/lib64/python${PYTHON_VERSION}/site-packages/google/protobuf/pyext/*.so 2>/dev/null || true

# setup non-root user for vllm
RUN umask 002 && \
    /usr/sbin/useradd --uid 2000 --gid 0 vllm && \
    mkdir -p /home/vllm && \
    chmod g+rwx /home/vllm

COPY LICENSE /licenses/vllm.md
COPY examples/*.jinja /app/data/template/

USER 2000
WORKDIR /home/vllm

# Set the default entrypoint
ENTRYPOINT ["vllm", "serve"]