mirror of
https://github.com/flatcar/scripts.git
synced 2026-05-04 11:51:14 +02:00
Created wrapper methods for create_base_image and image updates.
update_dev_packages, and update_recovery_packages created. Moved assorted global variables up to the top section, since they are global. TEST=Ran build_image. BUG=none Review URL: http://codereview.chromium.org/2823010
This commit is contained in:
Don Garrett
parent
633f911e9a
commit
3f41e152bd
564
build_image
564
build_image
@ -84,8 +84,8 @@ fi
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# Append build attempt to output directory.
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IMAGE_SUBDIR="${CHROMEOS_VERSION_STRING}-a${FLAGS_build_attempt}"
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OUTPUT_DIR="${FLAGS_output_root}/${FLAGS_board}/${IMAGE_SUBDIR}"
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ROOT_FS_DIR="${OUTPUT_DIR}/rootfs"
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ROOT_FS_IMG="${OUTPUT_DIR}/rootfs.image"
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OUTSIDE_OUTPUT_DIR="../build/images/${FLAGS_board}/${IMAGE_SUBDIR}"
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# If we are creating a developer image, also create a pristine image with a
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# different name.
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@ -106,14 +106,43 @@ OUTPUT_IMG=${FLAGS_to:-${OUTPUT_DIR}/${PRISTINE_IMAGE_NAME}}
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BOARD="${FLAGS_board}"
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BOARD_ROOT="${FLAGS_build_root}/${BOARD}"
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ROOT_FS_IMG="${OUTPUT_DIR}/rootfs.image"
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ROOT_FS_DIR="${OUTPUT_DIR}/rootfs"
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STATEFUL_FS_IMG="${OUTPUT_DIR}/stateful_partition.image"
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STATEFUL_FS_DIR="${OUTPUT_DIR}/stateful_partition"
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ESP_FS_IMG=${OUTPUT_DIR}/esp.image
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ESP_FS_DIR=${OUTPUT_DIR}/esp
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LOOP_DEV=
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STATEFUL_LOOP_DEV=
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ESP_LOOP_DEV=
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# ${DEV_IMAGE_ROOT} specifies the location of where developer packages will
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# be installed on the stateful dir. On a Chromium OS system, this will
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# translate to /usr/local.
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DEV_IMAGE_ROOT="${STATEFUL_FS_DIR}/dev_image"
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# What cross-build are we targeting?
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. "${BOARD_ROOT}/etc/make.conf.board_setup"
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LIBC_VERSION=${LIBC_VERSION:-"2.10.1-r1"}
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INSTALL_MASK=""
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if [[ ${FLAGS_installmask} -eq ${FLAGS_TRUE} ]] ; then
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INSTALL_MASK="${DEFAULT_INSTALL_MASK}"
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fi
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# Reduce the size of factory install shim.
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# TODO: Build a separated ebuild for the factory install shim to reduce size.
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if [[ ${FLAGS_factory_install} -eq ${FLAGS_TRUE} ]] ; then
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INSTALL_MASK="${INSTALL_MASK} ${FACTORY_INSTALL_MASK}"
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fi
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if [[ ${FLAGS_jobs} -ne -1 ]]; then
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EMERGE_JOBS="--jobs=${FLAGS_jobs}"
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fi
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# Figure out ARCH from the given toolchain.
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# TODO: Move to common.sh as a function after scripts are switched over.
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TC_ARCH=$(echo "${CHOST}" | awk -F'-' '{ print $1 }')
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@ -146,9 +175,6 @@ if [[ -e "${OUTPUT_DIR}" ]]; then
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fi
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fi
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# Create the output directory.
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mkdir -p "${OUTPUT_DIR}"
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cleanup_rootfs_loop() {
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sudo umount -d "${ROOT_FS_DIR}"
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}
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@ -156,11 +182,11 @@ cleanup_rootfs_loop() {
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cleanup_stateful_fs_loop() {
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sudo umount "${ROOT_FS_DIR}/usr/local"
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sudo umount "${ROOT_FS_DIR}/var"
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sudo umount -d "${STATEFUL_DIR}"
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sudo umount -d "${STATEFUL_FS_DIR}"
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}
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cleanup_esp_loop() {
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sudo umount -d "${ESP_DIR}"
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sudo umount -d "${ESP_FS_DIR}"
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}
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cleanup() {
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@ -199,154 +225,145 @@ delete_prompt() {
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# $1 - Directory where developer rootfs is mounted.
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# $2 - Directory where developer stateful_partition is mounted.
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developer_cleanup() {
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mount_gpt_cleanup() {
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"${SCRIPTS_DIR}/mount_gpt_image.sh" -u -r "$1" -s "$2"
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delete_prompt
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}
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# Creates a modified image based on ${OUTPUT_IMG} with additional packages.
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create_mod_image() {
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local image_type=$1
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local root_fs_dir="${OUTPUT_DIR}/rootfs_dev"
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local root_fs_img="${OUTPUT_DIR}/rootfs_dev.image"
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local image_to_mount=${DEVELOPER_IMAGE_NAME}
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local output_img="${OUTPUT_DIR}/${image_to_mount}"
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# Modifies an existing image to add development packages
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update_dev_packages() {
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local image_name=$1
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# Create stateful partition of the same size as the rootfs.
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local stateful_img="${OUTPUT_DIR}/stateful_partition_dev.image"
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local stateful_dir="${OUTPUT_DIR}/stateful_partition_dev"
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local file_to_touch=".dev_mode"
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echo "Adding developer packages to ${image_name}"
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trap "developer_cleanup \"${root_fs_dir}\" \"${stateful_dir}\"" EXIT
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if [ "${image_type}" == "dev" ]; then
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# Mount a new copy of the base image.
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echo "Creating developer image from base image ${OUTPUT_IMG}"
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cp "${OUTPUT_IMG}" "${output_img}"
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elif [ "${image_type}" == "recovery" ]; then
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image_to_mount=${PRISTINE_IMAGE_NAME}
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file_to_touch=".recovery_installer"
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fi
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trap "mount_gpt_cleanup \"${ROOT_FS_DIR}\" \"${STATEFUL_FS_DIR}\"" EXIT
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${SCRIPTS_DIR}/mount_gpt_image.sh --from "${OUTPUT_DIR}" \
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--image "${image_to_mount}" -r "${root_fs_dir}" -s "${stateful_dir}"
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--image "${image_name}" -r "${ROOT_FS_DIR}" -s "${STATEFUL_FS_DIR}"
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if [ "${image_type}" == "dev" ]; then
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# Determine the root dir for developer packages.
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local root_dev_dir="${root_fs_dir}"
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[ ${FLAGS_statefuldev} -eq ${FLAGS_TRUE} ] && \
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root_dev_dir="${root_fs_dir}/usr/local"
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# Determine the root dir for developer packages.
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local root_dev_dir="${ROOT_FS_DIR}"
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[ ${FLAGS_statefuldev} -eq ${FLAGS_TRUE} ] && \
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root_dev_dir="${ROOT_FS_DIR}/usr/local"
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# Install developer packages described in chromeos-dev.
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sudo INSTALL_MASK="${INSTALL_MASK}" ${EMERGE_BOARD_CMD} \
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--root="${root_dev_dir}" --root-deps=rdeps \
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--usepkgonly chromeos-dev ${EMERGE_JOBS}
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elif [ "${image_type}" == "recovery" ]; then
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# Install recovery installer.
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sudo ${EMERGE_BOARD_CMD} --root=${root_fs_dir} --usepkgonly \
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--root-deps=rdeps --nodeps chromeos-recovery
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fi
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# Install developer packages described in chromeos-dev.
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sudo INSTALL_MASK="${INSTALL_MASK}" ${EMERGE_BOARD_CMD} \
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--root="${root_dev_dir}" --root-deps=rdeps \
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--usepkgonly chromeos-dev ${EMERGE_JOBS}
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# Re-run ldconfig to fix /etc/ldconfig.so.cache.
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sudo /sbin/ldconfig -r "${root_fs_dir}"
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sudo /sbin/ldconfig -r "${ROOT_FS_DIR}"
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# Mark the image as a developer image (input to chromeos_startup).
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sudo mkdir -p "${root_fs_dir}/root"
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sudo touch "${root_fs_dir}/root/${file_to_touch}"
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sudo mkdir -p "${ROOT_FS_DIR}/root"
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sudo touch "${ROOT_FS_DIR}/root/.dev_mode"
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if [ "${image_type}" == "dev" ]; then
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# Additional changes to developer image.
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# Additional changes to developer image.
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# The ldd tool is a useful shell script but lives in glibc; just copy it.
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sudo cp -a "$(which ldd)" "${root_dev_dir}/usr/bin"
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# The ldd tool is a useful shell script but lives in glibc; just copy it.
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sudo cp -a "$(which ldd)" "${root_dev_dir}/usr/bin"
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# If vim is installed, then a vi symlink would probably help.
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if [[ -x "${root_fs_dir}/usr/local/bin/vim" ]]; then
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sudo ln -sf vim "${root_fs_dir}/usr/local/bin/vi"
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fi
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# Check that the image has been correctly created. Only do it if not
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# building a factory install image, as the INSTALL_MASK for it will
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# make test_image fail.
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if [[ ${FLAGS_factory_install} -eq ${FLAGS_FALSE} ]] ; then
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"${SCRIPTS_DIR}/test_image" \
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--root="${root_fs_dir}" \
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--target="${ARCH}"
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fi
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echo "Developer image built and stored at ${output_img}"
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# If vim is installed, then a vi symlink would probably help.
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if [[ -x "${ROOT_FS_DIR}/usr/local/bin/vim" ]]; then
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sudo ln -sf vim "${ROOT_FS_DIR}/usr/local/bin/vi"
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fi
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# Check that the image has been correctly created. Only do it if not
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# building a factory install image, as the INSTALL_MASK for it will
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# make test_image fail.
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if [[ ${FLAGS_factory_install} -eq ${FLAGS_FALSE} ]] ; then
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"${SCRIPTS_DIR}/test_image" \
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--root="${ROOT_FS_DIR}" \
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--target="${ARCH}"
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fi
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echo "Developer image built and stored at ${image_name}"
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trap - EXIT
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${SCRIPTS_DIR}/mount_gpt_image.sh -u -r "${root_fs_dir}" -s "${stateful_dir}"
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sudo rm -rf "${root_fs_dir}" "${stateful_dir}"
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${SCRIPTS_DIR}/mount_gpt_image.sh -u -r "${ROOT_FS_DIR}" -s "${STATEFUL_FS_DIR}"
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}
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# ${DEV_IMAGE_ROOT} specifies the location of where developer packages will
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# be installed on the stateful dir. On a Chromium OS system, this will
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# translate to /usr/local.
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DEV_IMAGE_ROOT=
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trap "cleanup && delete_prompt" EXIT
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# Modifies an existing image to add recovery packages
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update_recovery_packages() {
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local image_name=$1
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mkdir -p "${ROOT_FS_DIR}"
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echo "Adding recovery packages to ${image_name}"
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# Create and format the root file system.
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# Create stateful partition of the same size as the rootfs.
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trap "mount_gpt_cleanup \"${ROOT_FS_DIR}\" \"${STATEFUL_FS_DIR}\"" EXIT
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# Check for loop device before creating image.
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LOOP_DEV=$(sudo losetup -f)
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if [ -z "${LOOP_DEV}" ] ; then
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echo "No free loop device. Free up a loop device or reboot. exiting. "
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exit 1
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fi
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${SCRIPTS_DIR}/mount_gpt_image.sh --from "${OUTPUT_DIR}" \
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--image "${image_name}" -r "${ROOT_FS_DIR}" -s "${STATEFUL_FS_DIR}"
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# Create root file system disk image to fit on a 1GB memory stick.
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# 1 GB in hard-drive-manufacturer-speak is 10^9, not 2^30. 950MB < 10^9 bytes.
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if [[ ${FLAGS_factory_install} -eq ${FLAGS_TRUE} ]] ; then
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ROOT_SIZE_BYTES=$((1024 * 1024 * 300))
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else
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ROOT_SIZE_BYTES=$((1024 * 1024 * ${FLAGS_rootfs_size}))
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fi
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# Install recovery installer.
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sudo ${EMERGE_BOARD_CMD} --root=${ROOT_FS_DIR} --usepkgonly \
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--root-deps=rdeps --nodeps chromeos-recovery
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dd if=/dev/zero of="${ROOT_FS_IMG}" bs=1 count=1 seek=$((ROOT_SIZE_BYTES - 1))
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sudo losetup "${LOOP_DEV}" "${ROOT_FS_IMG}"
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sudo mkfs.ext3 "${LOOP_DEV}"
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# Re-run ldconfig to fix /etc/ldconfig.so.cache.
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sudo /sbin/ldconfig -r "${ROOT_FS_DIR}"
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# Tune and mount rootfs.
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UUID=$(uuidgen)
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DISK_LABEL="C-KEYFOB"
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sudo tune2fs -L "${DISK_LABEL}" -U "${UUID}" -c 0 -i 0 "${LOOP_DEV}"
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sudo mount "${LOOP_DEV}" "${ROOT_FS_DIR}"
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# Mark the image as a developer image (input to chromeos_startup).
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sudo mkdir -p "${ROOT_FS_DIR}/root"
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sudo touch "${ROOT_FS_DIR}/root/.recovery_installer"
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# Create stateful partition of the same size as the rootfs.
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STATEFUL_IMG="${OUTPUT_DIR}/stateful_partition.image"
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STATEFUL_DIR="${OUTPUT_DIR}/stateful_partition"
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STATEFUL_LOOP_DEV=$(sudo losetup -f)
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if [ -z "${STATEFUL_LOOP_DEV}" ] ; then
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echo "No free loop device. Free up a loop device or reboot. exiting. "
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exit 1
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fi
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dd if=/dev/zero of="${STATEFUL_IMG}" bs=1 count=1 seek=$((ROOT_SIZE_BYTES - 1))
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sudo losetup "${STATEFUL_LOOP_DEV}" "${STATEFUL_IMG}"
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sudo mkfs.ext3 "${STATEFUL_LOOP_DEV}"
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sudo tune2fs -L "C-STATE" -U "${UUID}" -c 0 -i 0 \
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"${STATEFUL_LOOP_DEV}"
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trap - EXIT
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${SCRIPTS_DIR}/mount_gpt_image.sh -u -r "${ROOT_FS_DIR}" -s "${STATEFUL_FS_DIR}"
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}
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# Mount the stateful partition.
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mkdir -p "${STATEFUL_DIR}"
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sudo mount "${STATEFUL_LOOP_DEV}" "${STATEFUL_DIR}"
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create_base_image() {
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# Set dev image root now that we have mounted the stateful partition
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# we created.
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DEV_IMAGE_ROOT="${STATEFUL_DIR}/dev_image"
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trap "cleanup && delete_prompt" EXIT
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# Turn root file system into bootable image.
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if [[ "${ARCH}" = "x86" ]]; then
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# Setup extlinux configuration.
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# TODO: For some reason the /dev/disk/by-uuid is not being generated by udev
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# in the initramfs. When we figure that out, switch to root=UUID=${UUID}.
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sudo mkdir -p "${ROOT_FS_DIR}"/boot
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# TODO(adlr): use initramfs for booting.
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cat <<EOF | sudo dd of="${ROOT_FS_DIR}"/boot/extlinux.conf
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# Create and format the root file system.
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# Check for loop device before creating image.
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LOOP_DEV=$(sudo losetup -f)
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if [ -z "${LOOP_DEV}" ] ; then
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echo "No free loop device. Free up a loop device or reboot. exiting. "
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exit 1
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fi
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# Create root file system disk image to fit on a 1GB memory stick.
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# 1 GB in hard-drive-manufacturer-speak is 10^9, not 2^30. 950MB < 10^9 bytes.
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if [[ ${FLAGS_factory_install} -eq ${FLAGS_TRUE} ]] ; then
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ROOT_SIZE_BYTES=$((1024 * 1024 * 300))
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else
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ROOT_SIZE_BYTES=$((1024 * 1024 * ${FLAGS_rootfs_size}))
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fi
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dd if=/dev/zero of="${ROOT_FS_IMG}" bs=1 count=1 seek=$((ROOT_SIZE_BYTES - 1))
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sudo losetup "${LOOP_DEV}" "${ROOT_FS_IMG}"
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sudo mkfs.ext3 "${LOOP_DEV}"
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# Tune and mount rootfs.
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UUID=$(uuidgen)
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DISK_LABEL="C-KEYFOB"
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sudo tune2fs -L "${DISK_LABEL}" -U "${UUID}" -c 0 -i 0 "${LOOP_DEV}"
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sudo mount "${LOOP_DEV}" "${ROOT_FS_DIR}"
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# Create stateful partition of the same size as the rootfs.
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STATEFUL_LOOP_DEV=$(sudo losetup -f)
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if [ -z "${STATEFUL_LOOP_DEV}" ] ; then
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echo "No free loop device. Free up a loop device or reboot. exiting. "
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exit 1
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fi
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dd if=/dev/zero of="${STATEFUL_FS_IMG}" bs=1 count=1 seek=$((ROOT_SIZE_BYTES - 1))
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sudo losetup "${STATEFUL_LOOP_DEV}" "${STATEFUL_FS_IMG}"
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sudo mkfs.ext3 "${STATEFUL_LOOP_DEV}"
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sudo tune2fs -L "C-STATE" -U "${UUID}" -c 0 -i 0 \
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"${STATEFUL_LOOP_DEV}"
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# Mount the stateful partition.
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sudo mount "${STATEFUL_LOOP_DEV}" "${STATEFUL_FS_DIR}"
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# Turn root file system into bootable image.
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if [[ "${ARCH}" = "x86" ]]; then
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# Setup extlinux configuration.
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# TODO: For some reason the /dev/disk/by-uuid is not being generated by udev
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# in the initramfs. When we figure that out, switch to root=UUID=${UUID}.
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sudo mkdir -p "${ROOT_FS_DIR}"/boot
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# TODO(adlr): use initramfs for booting.
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cat <<EOF | sudo dd of="${ROOT_FS_DIR}"/boot/extlinux.conf
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DEFAULT chromeos-usb
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PROMPT 0
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TIMEOUT 0
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@ -362,87 +379,69 @@ label chromeos-hd
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append quiet console=tty2 init=/sbin/init boot=local rootwait root=HDROOT ro noresume noswap i915.modeset=1 loglevel=1 cros_legacy
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EOF
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# Make partition bootable and label it.
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sudo extlinux -z --install "${ROOT_FS_DIR}/boot"
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fi
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# Make partition bootable and label it.
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sudo extlinux -z --install "${ROOT_FS_DIR}/boot"
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fi
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# -- Install packages into the root file system --
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# -- Install packages into the root file system --
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# We need to install libc manually from the cross toolchain.
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# TODO: Improve this? We only want libc and not the whole toolchain.
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PKGDIR="/var/lib/portage/pkgs/cross/"
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sudo tar jxvpf \
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"${PKGDIR}/${CHOST}/cross-${CHOST}"/glibc-${LIBC_VERSION}.tbz2 \
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-C "${ROOT_FS_DIR}" --strip-components=3 \
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--exclude=usr/include --exclude=sys-include --exclude=*.a --exclude=*.o
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# We need to install libc manually from the cross toolchain.
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# TODO: Improve this? We only want libc and not the whole toolchain.
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PKGDIR="/var/lib/portage/pkgs/cross/"
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sudo tar jxvpf \
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"${PKGDIR}/${CHOST}/cross-${CHOST}"/glibc-${LIBC_VERSION}.tbz2 \
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-C "${ROOT_FS_DIR}" --strip-components=3 \
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--exclude=usr/include --exclude=sys-include --exclude=*.a --exclude=*.o
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# We need to install libstdc++ manually from the cross toolchain.
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# TODO: Figure out a better way of doing this?
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sudo cp -a "${BOARD_ROOT}"/lib/libgcc_s.so* "${ROOT_FS_DIR}/lib"
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sudo cp -a "${BOARD_ROOT}"/usr/lib/libstdc++.so* "${ROOT_FS_DIR}/usr/lib"
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# We need to install libstdc++ manually from the cross toolchain.
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# TODO: Figure out a better way of doing this?
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sudo cp -a "${BOARD_ROOT}"/lib/libgcc_s.so* "${ROOT_FS_DIR}/lib"
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sudo cp -a "${BOARD_ROOT}"/usr/lib/libstdc++.so* "${ROOT_FS_DIR}/usr/lib"
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INSTALL_MASK=""
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if [[ ${FLAGS_installmask} -eq ${FLAGS_TRUE} ]] ; then
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INSTALL_MASK="${DEFAULT_INSTALL_MASK}"
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fi
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# Prepare stateful partition with some pre-created directories.
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sudo mkdir -p "${DEV_IMAGE_ROOT}"
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sudo mkdir -p "${STATEFUL_FS_DIR}/var"
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# Reduce the size of factory install shim.
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# TODO: Build a separated ebuild for the factory install shim to reduce size.
|
||||
if [[ ${FLAGS_factory_install} -eq ${FLAGS_TRUE} ]] ; then
|
||||
INSTALL_MASK="${INSTALL_MASK} ${FACTORY_INSTALL_MASK}"
|
||||
fi
|
||||
# Create symlinks so that /usr/local/usr based directories are symlinked to
|
||||
# /usr/local/ directories e.g. /usr/local/usr/bin -> /usr/local/bin, etc.
|
||||
setup_symlinks_on_root "${DEV_IMAGE_ROOT}" "${STATEFUL_FS_DIR}/var" \
|
||||
"${STATEFUL_FS_DIR}"
|
||||
|
||||
if [[ ${FLAGS_jobs} -ne -1 ]]; then
|
||||
EMERGE_JOBS="--jobs=${FLAGS_jobs}"
|
||||
fi
|
||||
# Perform binding rather than symlinking because directories must exist
|
||||
# on rootfs so that we can bind at run-time since rootfs is read-only.
|
||||
echo "Binding directories from stateful partition onto the rootfs"
|
||||
sudo mkdir -p "${ROOT_FS_DIR}/usr/local"
|
||||
sudo mount --bind "${DEV_IMAGE_ROOT}" "${ROOT_FS_DIR}/usr/local"
|
||||
sudo mkdir -p "${ROOT_FS_DIR}/var"
|
||||
sudo mount --bind "${STATEFUL_FS_DIR}/var" "${ROOT_FS_DIR}/var"
|
||||
sudo mkdir -p "${ROOT_FS_DIR}/dev"
|
||||
|
||||
# Prepare stateful partition with some pre-created directories.
|
||||
sudo mkdir -p "${DEV_IMAGE_ROOT}"
|
||||
sudo mkdir -p "${STATEFUL_DIR}/var"
|
||||
# We "emerge --root=${ROOT_FS_DIR} --root-deps=rdeps --usepkgonly" all of the
|
||||
# runtime packages for chrome os. This builds up a chrome os image from
|
||||
# binary packages with runtime dependencies only. We use INSTALL_MASK to
|
||||
# trim the image size as much as possible.
|
||||
sudo INSTALL_MASK="${INSTALL_MASK}" ${EMERGE_BOARD_CMD} \
|
||||
--root="${ROOT_FS_DIR}" --root-deps=rdeps \
|
||||
--usepkgonly chromeos ${EMERGE_JOBS}
|
||||
|
||||
# Create symlinks so that /usr/local/usr based directories are symlinked to
|
||||
# /usr/local/ directories e.g. /usr/local/usr/bin -> /usr/local/bin, etc.
|
||||
setup_symlinks_on_root "${DEV_IMAGE_ROOT}" "${STATEFUL_DIR}/var" \
|
||||
"${STATEFUL_DIR}"
|
||||
|
||||
# Perform binding rather than symlinking because directories must exist
|
||||
# on rootfs so that we can bind at run-time since rootfs is read-only.
|
||||
echo "Binding directories from stateful partition onto the rootfs"
|
||||
sudo mkdir -p "${ROOT_FS_DIR}/usr/local"
|
||||
sudo mount --bind "${DEV_IMAGE_ROOT}" "${ROOT_FS_DIR}/usr/local"
|
||||
sudo mkdir -p "${ROOT_FS_DIR}/var"
|
||||
sudo mount --bind "${STATEFUL_DIR}/var" "${ROOT_FS_DIR}/var"
|
||||
sudo mkdir -p "${ROOT_FS_DIR}/dev"
|
||||
|
||||
# We "emerge --root=${ROOT_FS_DIR} --root-deps=rdeps --usepkgonly" all of the
|
||||
# runtime packages for chrome os. This builds up a chrome os image from binary
|
||||
# packages with runtime dependencies only. We use INSTALL_MASK to trim the
|
||||
# image size as much as possible.
|
||||
sudo INSTALL_MASK="${INSTALL_MASK}" ${EMERGE_BOARD_CMD} \
|
||||
--root="${ROOT_FS_DIR}" --root-deps=rdeps \
|
||||
--usepkgonly chromeos ${EMERGE_JOBS}
|
||||
|
||||
# Create EFI System Partition to boot stock EFI BIOS (but not ChromeOS EFI
|
||||
# BIOS). We only need this for x86, but it's simpler and safer to keep the disk
|
||||
# images the same for both x86 and ARM.
|
||||
ESP_IMG=${OUTPUT_DIR}/esp.image
|
||||
# NOTE: The size argument for mkfs.vfat is in 1024-byte blocks. We'll hard-code
|
||||
# it to 16M for now.
|
||||
ESP_BLOCKS=16384
|
||||
/usr/sbin/mkfs.vfat -C ${OUTPUT_DIR}/esp.image ${ESP_BLOCKS}
|
||||
ESP_DIR=${OUTPUT_DIR}/esp
|
||||
ESP_LOOP_DEV=$(sudo losetup -f)
|
||||
if [ -z "${ESP_LOOP_DEV}" ] ; then
|
||||
echo "No free loop device. Free up a loop device or reboot. exiting. "
|
||||
exit 1
|
||||
fi
|
||||
mkdir -p "${ESP_DIR}"
|
||||
sudo losetup "${ESP_LOOP_DEV}" "${ESP_IMG}"
|
||||
sudo mount "${ESP_LOOP_DEV}" "${ESP_DIR}"
|
||||
sudo mkdir -p "${ESP_DIR}/efi/boot"
|
||||
sudo grub-mkimage -p /efi/boot -o "${ESP_DIR}/efi/boot/bootx64.efi" \
|
||||
part_gpt fat ext2 normal boot sh chain configfile linux
|
||||
cat <<'EOF' | sudo dd of="${ESP_DIR}/efi/boot/grub.cfg"
|
||||
# Create EFI System Partition to boot stock EFI BIOS (but not ChromeOS EFI
|
||||
# BIOS). We only need this for x86, but it's simpler and safer to keep the
|
||||
# disk images the same for both x86 and ARM.
|
||||
# NOTE: The size argument for mkfs.vfat is in 1024-byte blocks.
|
||||
# We'll hard-code it to 16M for now.
|
||||
ESP_BLOCKS=16384
|
||||
/usr/sbin/mkfs.vfat -C ${OUTPUT_DIR}/esp.image ${ESP_BLOCKS}
|
||||
ESP_LOOP_DEV=$(sudo losetup -f)
|
||||
if [ -z "${ESP_LOOP_DEV}" ] ; then
|
||||
echo "No free loop device. Free up a loop device or reboot. exiting. "
|
||||
exit 1
|
||||
fi
|
||||
sudo losetup "${ESP_LOOP_DEV}" "${ESP_FS_IMG}"
|
||||
sudo mount "${ESP_LOOP_DEV}" "${ESP_FS_DIR}"
|
||||
sudo mkdir -p "${ESP_FS_DIR}/efi/boot"
|
||||
sudo grub-mkimage -p /efi/boot -o "${ESP_FS_DIR}/efi/boot/bootx64.efi" \
|
||||
part_gpt fat ext2 normal boot sh chain configfile linux
|
||||
cat <<'EOF' | sudo dd of="${ESP_FS_DIR}/efi/boot/grub.cfg"
|
||||
set default=0
|
||||
set timeout=2
|
||||
|
||||
@ -462,15 +461,15 @@ menuentry "Alternate USB Boot" {
|
||||
|
||||
EOF
|
||||
|
||||
# FIXME: At the moment, we're working on signed images for x86 only. ARM will
|
||||
# support this before shipping, but at the moment they don't.
|
||||
if [[ "${ARCH}" = "x86" ]]; then
|
||||
# FIXME: At the moment, we're working on signed images for x86 only. ARM will
|
||||
# support this before shipping, but at the moment they don't.
|
||||
if [[ "${ARCH}" = "x86" ]]; then
|
||||
|
||||
# Legacy BIOS will use the kernel in the rootfs (via syslinux), as will
|
||||
# standard EFI BIOS (via grub, from the EFI System Partition). Chrome OS BIOS
|
||||
# will use a separate signed kernel partition, which we'll create now.
|
||||
# FIXME: remove serial output, debugging messages.
|
||||
cat <<'EOF' > "${OUTPUT_DIR}/config.txt"
|
||||
# Legacy BIOS will use the kernel in the rootfs (via syslinux), as will
|
||||
# standard EFI BIOS (via grub, from the EFI System Partition). Chrome OS
|
||||
# BIOS will use a separate signed kernel partition, which we'll create now.
|
||||
# FIXME: remove serial output, debugging messages.
|
||||
cat <<'EOF' > "${OUTPUT_DIR}/config.txt"
|
||||
earlyprintk=serial,ttyS0,115200
|
||||
console=ttyS0,115200
|
||||
init=/sbin/init
|
||||
@ -486,93 +485,110 @@ loglevel=7
|
||||
cros_secure
|
||||
EOF
|
||||
|
||||
# FIXME: We need to specify the real keys and certs here!
|
||||
SIG_DIR="${SRC_ROOT}/platform/vboot_reference/tests/testkeys"
|
||||
# FIXME: We need to specify the real keys and certs here!
|
||||
SIG_DIR="${SRC_ROOT}/platform/vboot_reference/tests/testkeys"
|
||||
|
||||
# Wrap the public keys with VbPublicKey headers.
|
||||
vbutil_key --pack \
|
||||
--in "${SIG_DIR}/key_rsa2048.keyb" \
|
||||
--version 1 --algorithm 4 \
|
||||
--out "${OUTPUT_DIR}/key_alg4.vbpubk"
|
||||
# Wrap the public keys with VbPublicKey headers.
|
||||
vbutil_key --pack \
|
||||
--in "${SIG_DIR}/key_rsa2048.keyb" \
|
||||
--version 1 --algorithm 4 \
|
||||
--out "${OUTPUT_DIR}/key_alg4.vbpubk"
|
||||
|
||||
vbutil_key --pack \
|
||||
--in "${SIG_DIR}/key_rsa4096.keyb" \
|
||||
--version 1 --algorithm 8 \
|
||||
--out "${OUTPUT_DIR}/key_alg8.vbpubk"
|
||||
vbutil_key --pack \
|
||||
--in "${SIG_DIR}/key_rsa4096.keyb" \
|
||||
--version 1 --algorithm 8 \
|
||||
--out "${OUTPUT_DIR}/key_alg8.vbpubk"
|
||||
|
||||
vbutil_keyblock --pack "${OUTPUT_DIR}/data4_sign8.keyblock" \
|
||||
--datapubkey "${OUTPUT_DIR}/key_alg4.vbpubk" \
|
||||
--signprivate "${SIG_DIR}/key_rsa4096.pem" \
|
||||
--algorithm 8 --flags 3
|
||||
vbutil_keyblock --pack "${OUTPUT_DIR}/data4_sign8.keyblock" \
|
||||
--datapubkey "${OUTPUT_DIR}/key_alg4.vbpubk" \
|
||||
--signprivate "${SIG_DIR}/key_rsa4096.pem" \
|
||||
--algorithm 8 --flags 3
|
||||
|
||||
# Verify the keyblock.
|
||||
vbutil_keyblock --unpack "${OUTPUT_DIR}/data4_sign8.keyblock" \
|
||||
--signpubkey "${OUTPUT_DIR}/key_alg8.vbpubk"
|
||||
# Verify the keyblock.
|
||||
vbutil_keyblock --unpack "${OUTPUT_DIR}/data4_sign8.keyblock" \
|
||||
--signpubkey "${OUTPUT_DIR}/key_alg8.vbpubk"
|
||||
|
||||
# Sign the kernel:
|
||||
vbutil_kernel --pack "${OUTPUT_DIR}/vmlinuz.image" \
|
||||
--keyblock "${OUTPUT_DIR}/data4_sign8.keyblock" \
|
||||
--signprivate "${SIG_DIR}/key_rsa2048.pem" \
|
||||
--version 1 \
|
||||
--config "${OUTPUT_DIR}/config.txt" \
|
||||
--bootloader /lib64/bootstub/bootstub.efi \
|
||||
--vmlinuz "${ROOT_FS_DIR}/boot/vmlinuz"
|
||||
# Sign the kernel:
|
||||
vbutil_kernel --pack "${OUTPUT_DIR}/vmlinuz.image" \
|
||||
--keyblock "${OUTPUT_DIR}/data4_sign8.keyblock" \
|
||||
--signprivate "${SIG_DIR}/key_rsa2048.pem" \
|
||||
--version 1 \
|
||||
--config "${OUTPUT_DIR}/config.txt" \
|
||||
--bootloader /lib64/bootstub/bootstub.efi \
|
||||
--vmlinuz "${ROOT_FS_DIR}/boot/vmlinuz"
|
||||
|
||||
# And verify it.
|
||||
vbutil_kernel --verify "${OUTPUT_DIR}/vmlinuz.image" \
|
||||
--signpubkey "${OUTPUT_DIR}/key_alg8.vbpubk"
|
||||
# And verify it.
|
||||
vbutil_kernel --verify "${OUTPUT_DIR}/vmlinuz.image" \
|
||||
--signpubkey "${OUTPUT_DIR}/key_alg8.vbpubk"
|
||||
|
||||
else
|
||||
# FIXME: For now, ARM just uses the unsigned kernel by itself.
|
||||
cp -f "${ROOT_FS_DIR}/boot/vmlinuz" "${OUTPUT_DIR}/vmlinuz.image"
|
||||
fi
|
||||
else
|
||||
# FIXME: For now, ARM just uses the unsigned kernel by itself.
|
||||
cp -f "${ROOT_FS_DIR}/boot/vmlinuz" "${OUTPUT_DIR}/vmlinuz.image"
|
||||
fi
|
||||
|
||||
|
||||
# Perform any customizations on the root file system that are needed.
|
||||
"${SCRIPTS_DIR}/customize_rootfs" \
|
||||
--root="${ROOT_FS_DIR}" \
|
||||
--target="${ARCH}" \
|
||||
--board="${BOARD}"
|
||||
|
||||
# Don't test the factory install shim.
|
||||
if [[ ${FLAGS_factory_install} -eq ${FLAGS_FALSE} ]] ; then
|
||||
# Check that the image has been correctly created.
|
||||
"${SCRIPTS_DIR}/test_image" \
|
||||
# Perform any customizations on the root file system that are needed.
|
||||
"${SCRIPTS_DIR}/customize_rootfs" \
|
||||
--root="${ROOT_FS_DIR}" \
|
||||
--target="${ARCH}"
|
||||
fi
|
||||
--target="${ARCH}" \
|
||||
--board="${BOARD}"
|
||||
|
||||
# Clean up symlinks so they work on a running target rooted at "/".
|
||||
# Here development packages are rooted at /usr/local. However, do not
|
||||
# create /usr/local or /var on host (already exist on target).
|
||||
setup_symlinks_on_root "/usr/local" "/var" "${STATEFUL_DIR}"
|
||||
# Don't test the factory install shim.
|
||||
if [[ ${FLAGS_factory_install} -eq ${FLAGS_FALSE} ]] ; then
|
||||
# Check that the image has been correctly created.
|
||||
"${SCRIPTS_DIR}/test_image" \
|
||||
--root="${ROOT_FS_DIR}" \
|
||||
--target="${ARCH}"
|
||||
fi
|
||||
|
||||
# Cleanup loop devices.
|
||||
cleanup
|
||||
# Clean up symlinks so they work on a running target rooted at "/".
|
||||
# Here development packages are rooted at /usr/local. However, do not
|
||||
# create /usr/local or /var on host (already exist on target).
|
||||
setup_symlinks_on_root "/usr/local" "/var" "${STATEFUL_FS_DIR}"
|
||||
|
||||
trap delete_prompt EXIT
|
||||
# Cleanup loop devices.
|
||||
cleanup
|
||||
|
||||
RECOVERY="--norecovery"
|
||||
if [[ ${FLAGS_recovery} -eq ${FLAGS_TRUE} ]]; then
|
||||
RECOVERY="--recovery"
|
||||
fi
|
||||
trap delete_prompt EXIT
|
||||
|
||||
# Create the GPT-formatted image.
|
||||
${SCRIPTS_DIR}/build_gpt.sh \
|
||||
--arch=${ARCH} \
|
||||
--board=${FLAGS_board} \
|
||||
--arm_extra_bootargs="${FLAGS_arm_extra_bootargs}" \
|
||||
--rootfs_partition_size=${FLAGS_rootfs_partition_size} \
|
||||
${RECOVERY} \
|
||||
"${OUTPUT_DIR}" \
|
||||
"${OUTPUT_IMG}"
|
||||
RECOVERY="--norecovery"
|
||||
if [[ ${FLAGS_recovery} -eq ${FLAGS_TRUE} ]]; then
|
||||
RECOVERY="--recovery"
|
||||
fi
|
||||
|
||||
# Create the GPT-formatted image.
|
||||
${SCRIPTS_DIR}/build_gpt.sh \
|
||||
--arch=${ARCH} \
|
||||
--board=${FLAGS_board} \
|
||||
--arm_extra_bootargs="${FLAGS_arm_extra_bootargs}" \
|
||||
--rootfs_partition_size=${FLAGS_rootfs_partition_size} \
|
||||
${RECOVERY} \
|
||||
"${OUTPUT_DIR}" \
|
||||
"${OUTPUT_IMG}"
|
||||
}
|
||||
|
||||
# Create the output directory.
|
||||
mkdir -p "${OUTPUT_DIR}"
|
||||
mkdir -p "${ROOT_FS_DIR}"
|
||||
mkdir -p "${STATEFUL_FS_DIR}"
|
||||
mkdir -p "${ESP_FS_DIR}"
|
||||
|
||||
create_base_image ${OUTPUT_DIR}/${PRISTINE_IMAGE_NAME}
|
||||
|
||||
# Create a recovery image based on the chromium os base image.
|
||||
[ "${FLAGS_recovery}" -eq "${FLAGS_TRUE}" ] && create_mod_image "recovery"
|
||||
if [ "${FLAGS_recovery}" -eq "${FLAGS_TRUE}" ] ; then
|
||||
update_recovery_packages ${OUTPUT_DIR}/${PRISTINE_IMAGE_NAME}
|
||||
fi
|
||||
trap - EXIT
|
||||
|
||||
|
||||
# Create a developer image based on the chromium os base image.
|
||||
[ "${FLAGS_withdev}" -eq "${FLAGS_TRUE}" ] && create_mod_image "dev"
|
||||
if [ "${FLAGS_withdev}" -eq "${FLAGS_TRUE}" ] ; then
|
||||
echo "Creating developer image from base image ${OUTPUT_IMG}"
|
||||
cp ${OUTPUT_DIR}/${PRISTINE_IMAGE_NAME} ${OUTPUT_DIR}/${DEVELOPER_IMAGE_NAME}
|
||||
update_dev_packages ${OUTPUT_DIR}/${DEVELOPER_IMAGE_NAME}
|
||||
fi
|
||||
|
||||
trap - EXIT
|
||||
|
||||
# FIXME: only signing things for x86 right now.
|
||||
@ -582,12 +598,10 @@ if [[ "${ARCH}" = "x86" ]]; then
|
||||
fi
|
||||
|
||||
# Clean up temporary files.
|
||||
rm -f "${ROOT_FS_IMG}" "${STATEFUL_IMG}" "${OUTPUT_DIR}/vmlinuz.image" \
|
||||
"${ESP_IMG}" "${OUTPUT_DIR}/data4_sign8.keyblock" \
|
||||
rm -f "${ROOT_FS_IMG}" "${STATEFUL_FS_IMG}" "${OUTPUT_DIR}/vmlinuz.image" \
|
||||
"${ESP_FS_IMG}" "${OUTPUT_DIR}/data4_sign8.keyblock" \
|
||||
"${OUTPUT_DIR}/key_alg4.vbpubk" "${OUTPUT_DIR}/key_alg8.vbpubk"
|
||||
rmdir "${ROOT_FS_DIR}" "${STATEFUL_DIR}" "${ESP_DIR}"
|
||||
|
||||
OUTSIDE_OUTPUT_DIR="../build/images/${FLAGS_board}/${IMAGE_SUBDIR}"
|
||||
rmdir "${ROOT_FS_DIR}" "${STATEFUL_FS_DIR}" "${ESP_FS_DIR}"
|
||||
|
||||
echo "Done. Image created in ${OUTPUT_DIR}"
|
||||
echo "Chromium OS image created as ${PRISTINE_IMAGE_NAME}"
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user