chromeos_docker.sh

#!/bin/bash
# Copyright 2021-2023 Satadru Pramanik
# Copyright 2023 Maximilian Downey Twiss
# SPDX-License-Identifier: GPL-3.0-or-later
name="${1}"
milestone="${2}"
: "${REPOSITORY:=satmandu}"
echo "       name: ${name}"
echo "  milestone: ${milestone}"
echo " REPOSITORY: ${REPOSITORY}"

setup_base () {
  url="$(jq -r .\""${name}"\"[\""Recovery Images"\"][\""${milestone}"\"] boards.json)"
  cached_image="$(echo ${url} | sed "s/https:\/\/dl.google.com\/dl\/edgedl\/chromeos\/recovery\/chromeos_//" | sed 's/_r.*//')"
  if [[ ! -f "${cached_image}.tar" ]] ; then
    echo "Cached image not found for ${cached_image}"

    # Download image
    curl --progress-bar --retry 3 -Lf "${url}" -o "${cached_image}".zip || ( echo "Download failed" && kill $$ )

    # Unzip the image
    7z x "${cached_image}".zip -so > "${cached_image}".bin

    # Extract the filesystem directly into a tarball for importing into docker
    virt-tar-out -a "${cached_image}".bin / "${cached_image}".tar

    # Clean up after ourselves
    rm -f "${cached_image}".zip "${cached_image}".bin

    # If we don't already have the image cached, we don't already have it imported into docker and pushed to the repository
    docker import "${cached_image}".tar --platform "${PLATFORM}" "${REPOSITORY}"/crewbase:"${name}".m"${milestone}"
    docker push "${REPOSITORY}"/crewbase:"${name}".m"${milestone}"
  else
    echo "Cached image found for ${cached_image}, skipping download, import and push."
  fi
}

get_arch () {
  kernel_arch="$(jq -r .\""${name}\""[\""Kernel ABI"\"] boards.json)"
  case $kernel_arch in
    x86_64)  PLATFORM="linux/amd64";;
    x86)     PLATFORM="linux/386";;
    arm)     PLATFORM="linux/arm";;
    aarch64) PLATFORM="linux/arm64";;
  esac
  CREW_KERNEL_VERSION="$(jq -r .\""${name}\""[\""Kernel Version"\"] boards.json)"
}
build_docker_image () {
  docker buildx create --name builder --driver docker-container --use
  docker buildx build \
    --push \
    --platform ${PLATFORM} \
    --build-arg CREWBASE=${REPOSITORY}/crewbase:${name}.m${milestone} \
    --build-arg CREW_KERNEL_VERSION=$CREW_KERNEL_VERSION \
    --tag ${REPOSITORY}/crewbuild:${name}.m${milestone} \
    .
}
main () {
  get_arch
  setup_base
  build_docker_image
}
main