FROM ubuntu:noble

ENV DEBIAN_FRONTEND=noninteractive
ENV TOOLS_DIR=/home/buildslave/tools
ENV PATH=${TOOLS_DIR}/bin:${PATH}
ENV PKG_DEPS="\
    bc \
    bison \
    build-essential \
    cpio \
    curl \
    cmake \
    default-jdk \
    flex \
    git \
    libglib2.0-0 \
    libpixman-1-0 \
    libsdl2-2.0-0 \
    libssl-dev \
    openssh-server \
    python3 \
    python3-serial \
    python3-venv \
    strace \
    sudo \
    wget \
    device-tree-compiler \
    ninja-build \
    libncurses6"

# Can be overriden at build time
ARG BUILDSLAVE_PASSWORD=buildslave

COPY requirements_*.txt /opt/
COPY tf-*.install /tmp/
COPY setup-sshd /usr/sbin/setup-sshd

RUN set -ex ;\
    apt update -q=2 ;\
    apt install -q=2 --yes --no-install-recommends ${PKG_DEPS} ;

# Preparing for the python3 dependencies in a venv.
# Adding the bin folder to path, so the respective pip
# tool is used.
RUN python3 -m venv /opt/venv
ENV PATH=${PATH}:/opt/venv/bin

RUN set -ex ;\
    # Install Python requirements
    pip install --no-cache-dir -r /opt/requirements_python3.txt ;\
    # Set Python in the previously installed venv the default one to use.
    ln -s -f /opt/venv/bin/python /usr/bin/python ;\
    # Setup buildslave user for Jenkins
    useradd -m -s /bin/bash buildslave ;\
    echo "buildslave:$BUILDSLAVE_PASSWORD" | chpasswd ;\
    echo 'buildslave ALL = NOPASSWD: ALL' > /etc/sudoers.d/jenkins ;\
    chmod 0440 /etc/sudoers.d/jenkins ;\
    mkdir -p /var/run/sshd ${TOOLS_DIR} ;\
    # Install Arm GCC toolchain (aarch64-none-elf)
    curl --connect-timeout 5 --retry 8 --retry-delay 2 --create-dirs -fsSLo /tmp/gcc-arm-x86_64-aarch64-none-elf.tar.xz \
        https://developer.arm.com/-/media/Files/downloads/gnu/11.2-2022.02/binrel/gcc-arm-11.2-2022.02-x86_64-aarch64-none-elf.tar.xz ;\
    tar -Jxf /tmp/gcc-arm-x86_64-aarch64-none-elf.tar.xz -C ${TOOLS_DIR} --strip-components=1 ;\
    # Setup environment for sshd
    bash -ex /tmp/tf-environment.install ;\
    # Fix permissions
    chown -R buildslave:buildslave ${TOOLS_DIR} ;

# Install Clang and LLVM.
# Use the packages from LLVM's repository rather than the default Ubuntu
# repository so we can control the exact version.
ENV LLVM_VERSION=20
RUN mkdir -p /etc/apt/keyrings
RUN wget https://apt.llvm.org/llvm-snapshot.gpg.key -O /etc/apt/keyrings/llvm-snapshot.key
RUN echo "deb [signed-by=/etc/apt/keyrings/llvm-snapshot.key] http://apt.llvm.org/noble/ llvm-toolchain-noble-$LLVM_VERSION main" > /etc/apt/sources.list.d/llvm.list
RUN echo "deb-src [signed-by=/etc/apt/keyrings/llvm-snapshot.key] http://apt.llvm.org/noble/ llvm-toolchain-noble-$LLVM_VERSION main" >> /etc/apt/sources.list.d/llvm.list
RUN apt-get update
RUN apt-get install -y \
		clang-$LLVM_VERSION \
		clangd-$LLVM_VERSION \
		clang-tidy-$LLVM_VERSION \
		clang-format-$LLVM_VERSION \
		llvm-$LLVM_VERSION \
		lld-$LLVM_VERSION \
		libc++-$LLVM_VERSION-dev

# LLVM binaries are present in `/usr/bin` as `clang-20`, `clang-tidy-20`, etc.
# But we want them to be available as `clang`, `clang-tidy`, etc.
# So we create symlinks for them.
RUN for f in /usr/lib/llvm-$LLVM_VERSION/bin/*; do ln -s "$f" /usr/local/bin; done

# Clear APT cache to save space.
RUN rm -rf /var/lib/apt/lists/*

EXPOSE 22
ENTRYPOINT ["/usr/sbin/setup-sshd"]