flatcar-scripts/image_to_vm.sh
James Le Cuirot 9f8eac6540
Drop lots of obsolete release signing and upload code
Most of this hinges on the --upload option being passed, and it never is
any more. Much of it also uses Google Buckets, which we no longer use,
save for some GCE-specific bits.

Signed-off-by: James Le Cuirot <jlecuirot@microsoft.com>
2024-11-26 14:58:24 +00:00

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#!/bin/bash
# Copyright (c) 2010 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.
# Script to convert the output of build_image.sh to a usable virtual machine
# disk image, supporting a variety of different targets.
# Helper scripts should be run from the same location as this script.
SCRIPT_ROOT=$(dirname "$(readlink -f "$0")")
. "${SCRIPT_ROOT}/common.sh" || exit 1
# Script must run inside the chroot
assert_inside_chroot
assert_not_root_user
. "${BUILD_LIBRARY_DIR}/toolchain_util.sh" || exit 1
. "${BUILD_LIBRARY_DIR}/build_image_util.sh" || exit 1
. "${BUILD_LIBRARY_DIR}/vm_image_util.sh" || exit 1
. "${BUILD_LIBRARY_DIR}/cros_vm_constants.sh" || exit 1
# Flags
DEFINE_string board "${DEFAULT_BOARD}" \
"Board for which the image was built"
# We default to TRUE so the buildbot gets its image. Note this is different
# behavior from image_to_usb.sh
DEFINE_string format "" \
"Output format, one of: ${VALID_IMG_TYPES[*]}"
DEFINE_string from "" \
"Directory containing flatcar_production_image.bin."
DEFINE_string disk_layout "" \
"The disk layout type to use for this image."
DEFINE_integer mem "${DEFAULT_MEM}" \
"Memory size for the vm config in MBs."
DEFINE_string to "" \
"Destination folder for VM output file(s)"
DEFINE_string oem_pkg "" \
"OEM package to install"
DEFINE_boolean getbinpkg "${FLAGS_FALSE}" \
"Download binary packages from remote repository."
DEFINE_string getbinpkgver "" \
"Use binary packages from a specific version."
# include upload options
. "${BUILD_LIBRARY_DIR}/release_util.sh" || exit 1
# Parse command line
FLAGS "$@" || exit 1
eval set -- "${FLAGS_ARGV}"
# Die on any errors.
switch_to_strict_mode
if [[ -z "${FLAGS_format}" ]]; then
FLAGS_format="$(get_default_vm_type ${FLAGS_board})"
fi
if ! set_vm_type "${FLAGS_format}"; then
die_notrace "Invalid format: ${FLAGS_format}"
fi
if [ ! -z "${FLAGS_oem_pkg}" ] && ! set_vm_oem_pkg "${FLAGS_oem_pkg}"; then
die_notrace "Invalid oem : ${FLAGS_oem_pkg}"
fi
if [ -z "${FLAGS_board}" ] ; then
die_notrace "--board is required."
fi
# If downloading packages is enabled ensure the board is configured properly.
if [[ ${FLAGS_getbinpkg} -eq ${FLAGS_TRUE} ]]; then
"${SRC_ROOT}/scripts/setup_board" --board="${FLAGS_board}" \
--getbinpkgver="${FLAGS_getbinpkgver}" --regen_configs_only
fi
# Loaded late because board_options depends on setup_board
. "${BUILD_LIBRARY_DIR}/board_options.sh" || exit 1
IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images/${FLAGS_board}"
# Default to the most recent image
if [ -z "${FLAGS_from}" ] ; then
FLAGS_from="$(${SCRIPT_ROOT}/get_latest_image.sh --board=${FLAGS_board})"
else
pushd "${FLAGS_from}" >/dev/null && FLAGS_from=`pwd` && popd >/dev/null
fi
if [ -z "${FLAGS_to}" ] ; then
FLAGS_to="${FLAGS_from}"
fi
# Convert args to paths. Need eval to un-quote the string so that shell
# chars like ~ are processed; just doing FOO=`readlink -f $FOO` won't work.
FLAGS_from=`eval readlink -f $FLAGS_from`
FLAGS_to=`eval readlink -f $FLAGS_to`
# If source includes version.txt switch to its version information
if [ -f "${FLAGS_from}/version.txt" ]; then
source "${FLAGS_from}/version.txt"
FLATCAR_VERSION_STRING="${FLATCAR_VERSION}"
fi
set_vm_paths "${FLAGS_from}" "${FLAGS_to}" "${FLATCAR_PRODUCTION_IMAGE_NAME}" "${FLATCAR_PRODUCTION_IMAGE_SYSEXT_BASE}"
# Make sure things are cleaned up on failure
trap vm_cleanup EXIT
fix_mtab
# Setup new (raw) image, possibly resizing filesystems
setup_disk_image "${FLAGS_disk_layout}"
# Optionally install any OEM packages
install_oem_package
install_oem_sysext
run_fs_hook
# Changes done, glue it together
write_vm_disk
write_vm_conf "${FLAGS_mem}"
write_vm_bundle
vm_cleanup
trap - EXIT
declare -a compressed_images uploadable_files
compress_disk_images VM_GENERATED_FILES
# Ready to set sail!
okboat
command_completed
print_readme