blob: 8545e27927ce0ae65d800c9c29c58eb7dbfc7176 [file] [log] [blame]
#!/bin/bash
# Copyright 2018 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
set -ex
LXD="/snap/bin/lxd"
LXC="/snap/bin/lxc"
build_containers() {
local arch=$1
local src_root=$2
local results_dir=$3
local apt_dir=$4
local release=$5
local base_image="images:debian/${release}/${arch}"
local tempdir="$(mktemp -d)"
${LXC} image export "${base_image}" "${tempdir}/image"
local rootfs="${tempdir}/rootfs"
unsquashfs -d "${rootfs}" "${tempdir}/image.root"
chmod 0755 "${rootfs}"
for image_type in "prod" "test" "app_test"; do
build_and_export "${arch}" \
"${src_root}" \
"${rootfs}" \
"${image_type}" \
"${release}" \
"${results_dir}" \
"${apt_dir}"
done
rm -rf "${tempdir}"
}
build_and_export() {
local arch=$1
local src_root=$2
local rootfs=$3
local image_type=$4
local release=$5
local results_dir=$6
local apt_dir=$7
mkdir -p "${rootfs}/opt/google/cros-containers"
mount --bind /tmp/cros-containers "${rootfs}/opt/google/cros-containers"
mount --bind /run/resolvconf/resolv.conf "${rootfs}/etc/resolv.conf"
mount --bind /dev "${rootfs}/dev"
mount -t proc none "${rootfs}/proc"
mount -t tmpfs tmpfs "${rootfs}/run"
mount -t tmpfs tmpfs "${rootfs}/tmp"
mkdir "${rootfs}/run/apt"
cp -r "${apt_dir}"/* "${rootfs}/run/apt"
if [ "${image_type}" = "prod" ]; then
local setup_script="${src_root}"/lxd/lxd_setup.sh
cp "${setup_script}" "${rootfs}/run/"
chroot "${rootfs}" /run/"$(basename ${setup_script})" \
"${release}"
fi
if [ "${image_type}" = "test" ]; then
local setup_test_script="${src_root}"/lxd/lxd_test_setup.sh
cp "${setup_test_script}" "${rootfs}/run/"
chroot "${rootfs}" /run/"$(basename ${setup_test_script})" \
"${release}"
fi
if [ "${image_type}" = "app_test" ]; then
local setup_test_app_script="${src_root}"/lxd/lxd_test_app_setup.sh
cp "${setup_test_app_script}" "${rootfs}/run/"
chroot "${rootfs}" /run/"$(basename ${setup_test_app_script})" \
"${arch}"
fi
umount "${rootfs}/tmp"
umount "${rootfs}/run"
umount "${rootfs}/proc"
umount "${rootfs}/dev"
umount "${rootfs}/etc/resolv.conf"
umount "${rootfs}/opt/google/cros-containers"
rm -rf "${rootfs}/opt/google"
# Repack into 2 tarballs + squashfs for distribution via simplestreams.
# Combined sha256 is lxd.tar.xz | rootfs.
# rootfs.tar.xz is raw rootfs tar'd up.
# rootfs.squashfs is raw rootfs squash'd.
# lxd.tar.xz is metadata.yaml and templates dir.
local result_dir="${results_dir}/debian/${release}/${arch}"
if [ "${image_type}" = "test" ]; then
result_dir="${result_dir}/test"
elif [ "${image_type}" = "app_test" ]; then
result_dir="${result_dir}/app_test"
else
result_dir="${result_dir}/default"
fi
mkdir -p "${result_dir}"
local metadata_tarball="${result_dir}/lxd.tar.xz"
local rootfs_tarball="${result_dir}/rootfs.tar.xz"
cp "${tempdir}/image" "${metadata_tarball}"
tar -Ipixz --xattrs --acls -cpf "${rootfs_tarball}" -C "${rootfs}" .
mksquashfs "${rootfs}"/* "${result_dir}/rootfs.squashfs"
if [ "${arch}" = "amd64" ] && [ "${image_type}" == "prod" ]; then
# Workaround the "Invalid multipart image" flake by generating a
# single tarball.
tar xvf "${tempdir}/image" -C "${tempdir}"
tar -Ipixz -cpf "${tempdir}/unified.tar.xz" \
-C "${tempdir}" rootfs metadata.yaml templates
"${src_root}"/lxd/test.py "${results_dir}" \
"${tempdir}/unified.tar.xz"
fi
}
main() {
local src_root=$1
local results_dir=$2
local apt_dir=$3
local arch=$4
local release=$5
if [ -z "${results_dir}" -o ! -d "${results_dir}" ]; then
echo "Results directory '${results_dir}' doesn't exist."
return 1
fi
if [ ! -d "${src_root}" ]; then
echo "Source root '${src_root}' doesn't exist."
return 1
fi
if [ ! -d "${apt_dir}" ]; then
echo "Apt repo directory '${apt_dir}' doesn't exist."
return 1
fi
if [ "$(id -u)" -ne 0 ]; then
echo "This script must be run as root to repack rootfs tarballs."
return 1
fi
# Make dummy sommelier paths for update-alternatives.
local dummy_path="/tmp/cros-containers"
mkdir -p "${dummy_path}"/{bin,lib}
touch "${dummy_path}"/bin/sommelier
touch "${dummy_path}"/lib/swrast_dri.so
touch "${dummy_path}"/lib/virtio_gpu_dri.so
build_containers "${arch}" \
"${src_root}" \
"${results_dir}" \
"${apt_dir}" \
"${release}"
}
main "$@"