mirror of
https://github.com/flatcar/scripts.git
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103 lines
3.5 KiB
Bash
Executable File
103 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2014 The CoreOS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Shell library for modifying an image built with build_image.
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start_modify_image() {
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# Default to the most recent image
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if [[ -z "${FLAGS_from}" ]] ; then
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FLAGS_from="$(${SCRIPT_ROOT}/get_latest_image.sh --board=${FLAGS_board})"
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else
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FLAGS_from="$(readlink -f "${FLAGS_from}")"
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fi
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local src_image="${FLAGS_from}/${FLATCAR_PRODUCTION_IMAGE_NAME}"
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if [[ ! -f "${src_image}" ]]; then
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die_notrace "Source image does not exist: ${src_image}"
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fi
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# Source should include version.txt, switch to its version information
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if [[ ! -f "${FLAGS_from}/version.txt" ]]; then
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die_notrace "Source version info does not exist: ${FLAGS_from}/version.txt"
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fi
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source "${FLAGS_from}/version.txt"
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FLATCAR_VERSION_STRING="${FLATCAR_VERSION}"
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# Load after version.txt to set the correct output paths
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. "${BUILD_LIBRARY_DIR}/toolchain_util.sh"
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. "${BUILD_LIBRARY_DIR}/board_options.sh"
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. "${BUILD_LIBRARY_DIR}/build_image_util.sh"
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# Handle existing directory.
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if [[ -e "${BUILD_DIR}" ]]; then
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if [[ ${FLAGS_replace} -eq ${FLAGS_TRUE} ]]; then
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sudo rm -rf "${BUILD_DIR}"
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else
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error "Directory ${BUILD_DIR} already exists."
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error "Use --build_attempt option to specify an unused attempt."
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error "Or use --replace if you want to overwrite this directory."
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die "Unwilling to overwrite ${BUILD_DIR}."
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fi
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fi
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# Create the output directory and temporary mount points.
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DST_IMAGE="${BUILD_DIR}/${FLATCAR_PRODUCTION_IMAGE_NAME}"
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ROOT_FS_DIR="${BUILD_DIR}/rootfs"
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mkdir -p "${ROOT_FS_DIR}"
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info "Copying from ${FLAGS_from}"
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cp "${src_image}" "${DST_IMAGE}"
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# Copy all extra useful things, these do not need to be modified.
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local update_prefix="${FLATCAR_PRODUCTION_IMAGE_NAME%_image.bin}_update"
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local production_prefix="${FLATCAR_PRODUCTION_IMAGE_NAME%.bin}"
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local container_prefix="${FLATCAR_DEVELOPER_CONTAINER_NAME%.bin}"
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local pcr_data="${FLATCAR_PRODUCTION_IMAGE_NAME%.bin}_pcr_policy.zip"
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EXTRA_FILES=(
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"version.txt"
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"${update_prefix}.bin"
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"${update_prefix}.zip"
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"${pcr_data}"
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"${production_prefix}_contents.txt"
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"${production_prefix}_packages.txt"
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"${production_prefix}_kernel_config.txt"
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"${FLATCAR_DEVELOPER_CONTAINER_NAME}"
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"${container_prefix}_contents.txt"
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"${container_prefix}_packages.txt"
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)
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for filename in "${EXTRA_FILES[@]}"; do
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if [[ -e "${FLAGS_from}/${filename}" ]]; then
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cp "${FLAGS_from}/${filename}" "${BUILD_DIR}/${filename}"
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fi
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done
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"${BUILD_LIBRARY_DIR}/disk_util" --disk_layout="${FLAGS_disk_layout}" \
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mount "${DST_IMAGE}" "${ROOT_FS_DIR}"
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trap "cleanup_mounts '${ROOT_FS_DIR}'" EXIT
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}
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finish_modify_image() {
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cleanup_mounts "${ROOT_FS_DIR}"
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trap - EXIT
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upload_image "${DST_IMAGE}"
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for filename in "${EXTRA_FILES[@]}"; do
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if [[ -e "${BUILD_DIR}/${filename}" ]]; then
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upload_image "${BUILD_DIR}/${filename}"
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fi
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done
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set_build_symlinks "${FLAGS_group}-latest"
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info "Done. Updated image is in ${BUILD_DIR}"
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cat << EOF
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To convert it to a virtual machine image, use:
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./image_to_vm.sh --from=${OUTSIDE_OUTPUT_DIR} --board=${BOARD}
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The default type is qemu, see ./image_to_vm.sh --help for other options.
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EOF
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}
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