mirror of
https://github.com/flatcar/scripts.git
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Merge pull request #638 from bgilbert/reinject
Add script to inject kernel/GRUB/shim
This commit is contained in:
Benjamin Gilbert
GitHub
commit
7bab03e772
@ -29,7 +29,7 @@ set_build_symlinks() {
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}
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cleanup_mounts() {
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echo "Cleaning up mounts"
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info "Cleaning up mounts"
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"${BUILD_LIBRARY_DIR}/disk_util" umount "$1" || true
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}
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101
build_library/modify_image_util.sh
Executable file
101
build_library/modify_image_util.sh
Executable file
@ -0,0 +1,101 @@
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#!/bin/bash
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# Copyright (c) 2014 The CoreOS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Shell library for modifying an image built with build_image.
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start_modify_image() {
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# Default to the most recent image
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if [[ -z "${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}/${COREOS_PRODUCTION_IMAGE_NAME}"
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if [[ ! -f "${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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COREOS_VERSION_STRING="${COREOS_VERSION}"
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# Load after version.txt to set the correct output paths
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. "${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}/${COREOS_PRODUCTION_IMAGE_NAME}"
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ROOT_FS_DIR="${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}" "${DST_IMAGE}"
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# Copy all extra useful things, these do not need to be modified.
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local update_prefix="${COREOS_PRODUCTION_IMAGE_NAME%_image.bin}_update"
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local production_prefix="${COREOS_PRODUCTION_IMAGE_NAME%.bin}"
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local container_prefix="${COREOS_DEVELOPER_CONTAINER_NAME%.bin}"
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local pcr_data="${COREOS_PRODUCTION_IMAGE_NAME%.bin}_pcr_policy.zip"
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EXTRA_FILES=(
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"version.txt"
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"${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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"${COREOS_DEVELOPER_CONTAINER_NAME}"
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"${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=${BOARD} --prod_image
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The default type is qemu, see ./image_to_vm.sh --help for other options.
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EOF
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}
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101
image_inject_bootchain
Executable file
101
image_inject_bootchain
Executable file
@ -0,0 +1,101 @@
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#!/bin/bash
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# Copyright (c) 2014 The CoreOS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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SCRIPT_ROOT=$(dirname "$(readlink -f "$0")")
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. "${SCRIPT_ROOT}/common.sh" || exit 1
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# Script must run inside the chroot
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restart_in_chroot_if_needed "$@"
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assert_not_root_user
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DEFAULT_GROUP=developer
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# Flags
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DEFINE_string kernel_path "" \
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"Path to the kernel to inject."
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DEFINE_string efi_grub_path "" \
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"Path to the EFI GRUB image to inject."
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DEFINE_string shim_path "" \
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"Path to the shim image to inject."
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DEFINE_string group "${DEFAULT_GROUP}" \
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"The update group."
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DEFINE_string board "${DEFAULT_BOARD}" \
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"Board for which the image was built"
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DEFINE_string disk_layout "base" \
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"The disk layout type to use for this image."
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DEFINE_string from "" \
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"Directory containing ${COREOS_PRODUCTION_IMAGE_NAME}"
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DEFINE_string output_root "${DEFAULT_BUILD_ROOT}/images" \
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"Directory in which to place image result directories (named by version)"
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DEFINE_boolean replace ${FLAGS_FALSE} \
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"Overwrite existing output, if any."
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# include upload options
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. "${BUILD_LIBRARY_DIR}/release_util.sh" || exit 1
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show_help_if_requested "$@"
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# Usually unneeded, so just leave this option hidden.
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DEFINE_integer build_attempt 1 \
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"The build attempt for this image build."
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# Parse command line
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FLAGS "$@" || exit 1
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eval set -- "${FLAGS_ARGV}"
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# Die on any errors.
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switch_to_strict_mode
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check_gsutil_opts
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if [[ -z "${FLAGS_kernel_path}" && -z "${FLAGS_efi_grub_path}" &&
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-z "${FLAGS_shim_path}" ]]; then
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die_notrace "Specify at least one of --kernel_path, --efi_grub_path, --shim_path"
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fi
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. "${BUILD_LIBRARY_DIR}/modify_image_util.sh"
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do_copy() {
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local src="$1"
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local dst="$2"
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if [[ ! -f "${ROOT_FS_DIR}/${dst}" ]]; then
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# We should only be overwriting existing files.
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die "${dst} doesn't exist in image; refusing to create it"
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fi
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info "Replacing ${dst}"
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sudo cp "${src}" "${ROOT_FS_DIR}/${dst}"
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}
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start_modify_image
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if [[ -n "${FLAGS_kernel_path}" ]]; then
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do_copy "${FLAGS_kernel_path}" "/boot/coreos/vmlinuz-a"
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fi
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# FIXME(bgilbert): no shim on arm64
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if [[ -n "${FLAGS_efi_grub_path}" ]]; then
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case "${BOARD}" in
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amd64-usr) image_name="grub.efi" ;;
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arm64-usr) image_name="bootaa64.efi" ;;
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*) die "GRUB filename not known for this board" ;;
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esac
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do_copy "${FLAGS_efi_grub_path}" "/boot/EFI/boot/${image_name}"
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fi
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if [[ -n "${FLAGS_shim_path}" ]]; then
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case "${BOARD}" in
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amd64-usr) image_name="bootx64.efi" ;;
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*) die "Shim filename not known for this board" ;;
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esac
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do_copy "${FLAGS_shim_path}" "/boot/EFI/boot/${image_name}"
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fi
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finish_modify_image
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command_completed
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@ -52,75 +52,9 @@ if [[ -z "${FLAGS_group}" ]] ; then
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die_notrace "--group is required."
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fi
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# Default to the most recent image
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if [[ -z "${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 "${FLAGS_from}")"
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fi
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. "${BUILD_LIBRARY_DIR}/modify_image_util.sh"
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SRC_IMAGE="${FLAGS_from}/${COREOS_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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COREOS_VERSION_STRING="${COREOS_VERSION}"
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# Load after version.txt to set the correct output paths
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. "${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}/${COREOS_PRODUCTION_IMAGE_NAME}"
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ROOT_FS_DIR="${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}" "${DST_IMAGE}"
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# Copy all extra useful things, these do not need to be modified.
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UPDATE_PREFIX="${COREOS_PRODUCTION_IMAGE_NAME%_image.bin}_update"
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PRODUCTION_PREFIX="${COREOS_PRODUCTION_IMAGE_NAME%.bin}"
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CONTAINER_PREFIX="${COREOS_DEVELOPER_CONTAINER_NAME%.bin}"
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PCR_DATA="${COREOS_PRODUCTION_IMAGE_NAME%.bin}_pcr_policy.zip"
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EXTRA_FILES=(
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"version.txt"
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"${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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"${COREOS_DEVELOPER_CONTAINER_NAME}"
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"${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 '${ROOT_FS_DIR}'" EXIT
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start_modify_image
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info "Replacing /etc/coreos/update.conf"
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sudo mkdir -p "${ROOT_FS_DIR}/etc/coreos"
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@ -128,24 +62,5 @@ sudo_clobber "${ROOT_FS_DIR}/etc/coreos/update.conf" <<EOF
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GROUP=${FLAGS_group}
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EOF
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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} --prod_image
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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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finish_modify_image
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command_completed
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