# This automation builds a aarch64 Ubuntu container
name: Build Container

on:
  # Allows you to run this workflow manually from the Actions tag
  workflow_dispatch: 

  push:
    branches:
      - main
      - development
    paths:
      - .github/workflows/build-container.yaml

      
jobs:
  build-container:
    name: Build Ubuntu container for aarch64
    runs-on: ubuntu-latest
    permissions:
      contents: read
      # We use ghcr.io to store the docker image cache for ARM builds
      packages: write
    steps:
      - name: Run build command (aarch64)
        uses: uraimo/run-on-arch-action@v2.5.1
        with:
          env: |
            GITHUB_WORKFLOW: ${{ github.workflow }} # Sets the docker image to the name of the workflow
          arch: aarch64
          distro: ubuntu22.04
          githubToken: ${{ github.token }}
          shell: /bin/bash
          install: |
            ## Set variables. "env" not supported in install phase
            export CLANG_VER=12
            export GCC_VER=9
            export SCCACHE_VER=0.5.4
            export CMAKE_VER=3.27.6
            ## Install build dependancies from apt
            apt-get update
            apt-get install -y build-essential curl git libssl-dev libffi-dev libbz2-dev libgdbm-compat-dev libgdbm-dev liblzma-dev libreadline-dev libtool \
              ninja-build python3 python3-pip tcl8.6-dev tk8.6-dev texinfo software-properties-common wget libc6
            python3 -m pip install boto3 certifi
            # Install Clang/GCC at specific version
            apt-get install -y clang-${CLANG_VER} gcc-${GCC_VER} g++-${GCC_VER}
            update-alternatives --install /usr/bin/clang clang /usr/bin/clang-${CLANG_VER} 10
            update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-${CLANG_VER} 10
            update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${GCC_VER} 10
            update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-${GCC_VER} 10
            ## Install sccache
            wget -qO- "https://github.com/mozilla/sccache/releases/download/v${SCCACHE_VER}/sccache-v${SCCACHE_VER}-aarch64-unknown-linux-musl.tar.gz" \
              | tar xzf - -O --wildcards '*/sccache' > '/usr/local/bin/sccache' \
              && chmod +x '/usr/local/bin/sccache'
            ## Install cmake  
            wget -q "https://github.com/Kitware/CMake/releases/download/v${CMAKE_VER}/cmake-${CMAKE_VER}-linux-aarch64.sh" \
              -O /tmp/cmake-install.sh \
              && chmod u+x /tmp/cmake-install.sh \
              && mkdir /opt/cmake-${CMAKE_VER} \
              && /tmp/cmake-install.sh --skip-license --prefix=/opt/cmake-${CMAKE_VER} \
              && rm /tmp/cmake-install.sh \
              && ln -s /opt/cmake-${CMAKE_VER}/bin/* /usr/local/bin
            rm -rf /var/lib/apt/lists/*
            # Add Docker's official GPG key:
            apt-get update
            sudo apt-get install ca-certificates curl
            sudo install -m 0755 -d /etc/apt/keyrings
            sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
            sudo chmod a+r /etc/apt/keyrings/docker.asc
            # Add the repository to Apt sources:
            echo \
              "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
              $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}") stable" | \
               tee /etc/apt/sources.list.d/docker.list > /dev/null
            apt-get update
            apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
            apt-get install -y qemu-user-static binfmt-support
            update-binfmts --install qemu-aarch64 /usr/bin/qemu-aarch64-static --magic '\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xb7\x00' --mask '\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'

          run: |
            lsb_release -a
            uname -a
            gcc --version
            g++ --version
            clang --version
            sccache --version
            cmake --version
            git --version
            python3 --version
            docker --version