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b0f5732449
This CL does two things. First it introduces an argument interface that works with all the following combinations: factory_install | [base|dev[test|factory_test]] rather than use --test etc. This does not build extra images. If you just want a test image you can run build_image --board=<board> test and all that's in your latest_dir is chromiumos_test_image.bin. Second, we only build what we ask and only finalize what we ask so on an invocation of build_image test we only actually run cros_make_image_bootable once saving 2 minutes on my machine (from 6:50->4:50 on multiple iterations). BUG=chromium-os:22048 TEST=build_image test, all possible combinations of args through to start of build. Built factory_install using new and old methods and dev test with both methods. Also verified mod_image_for_test still works as advertises stand-alone. Change-Id: I9fe2feb50a941c007214decd9ba1627012c050af Reviewed-on: https://gerrit.chromium.org/gerrit/10621 Commit-Ready: Chris Sosa <sosa@chromium.org> Reviewed-by: Chris Sosa <sosa@chromium.org> Tested-by: Chris Sosa <sosa@chromium.org>
235 lines
8.9 KiB
Bash
Executable File
235 lines
8.9 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2011 The Chromium OS 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 to build a bootable keyfob-based chromeos system image from within
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# a chromiumos setup. This assumes that all needed packages have been built into
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# the given target's root with binary packages turned on. This script will
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# build the Chrome OS image using only pre-built binary packages.
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SCRIPT_ROOT=$(dirname "$0")
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. "${SCRIPT_ROOT}/build_library/build_common.sh" || exit 1
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DEFINE_string board "${DEFAULT_BOARD}" \
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"The board to build an image for."
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DEFINE_string build_root "/build" \
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"The root location for board sysroots."
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DEFINE_integer build_attempt 1 \
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"The build attempt for this image build."
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DEFINE_string output_root "${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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DEFINE_boolean withdev ${FLAGS_TRUE} \
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"Include useful developer friendly utilities in the image."
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DEFINE_integer jobs -1 \
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"How many packages to build in parallel at maximum."
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DEFINE_boolean statefuldev ${FLAGS_TRUE} \
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"Install development packages on stateful partition rather than the rootfs"
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DEFINE_boolean test ${FLAGS_FALSE} \
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"Modify the image for automated testing"
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DEFINE_boolean factory ${FLAGS_FALSE} \
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"Modify the image for manufacturing testing"
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DEFINE_boolean factory_install ${FLAGS_FALSE} \
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"Build a smaller image to overlay the factory install shim on; this argument \
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is also required in image_to_usb."
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DEFINE_integer rootfs_partition_size 1024 \
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"rootfs partition size in MiBs."
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DEFINE_integer rootfs_size 850 \
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"rootfs filesystem size in MiBs."
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# ceil(0.1 * rootfs_size) is a good minimum.
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DEFINE_integer rootfs_hash_pad 8 \
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"MiBs reserved at the end of the rootfs image."
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DEFINE_integer statefulfs_size 1024 \
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"stateful filesystem size in MiBs."
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DEFINE_boolean fast ${DEFAULT_FAST} \
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"Call many emerges in parallel"
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DEFINE_string boot_args "noinitrd" \
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"Additional boot arguments to pass to the commandline"
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DEFINE_string usb_disk /dev/sdb3 \
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"Path syslinux should use to do a usb boot. Default: /dev/sdb3"
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DEFINE_boolean enable_rootfs_verification ${FLAGS_TRUE} \
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"Default all bootloaders to use kernel-based root fs integrity checking."
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DEFINE_integer verity_error_behavior 3 \
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"Kernel verified boot error behavior (0: I/O errors, 1: panic, 2: nothing, \
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3: cros) Default: 3"
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DEFINE_integer verity_max_ios -1 \
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"Number of outstanding I/O operations dm-verity caps at. Default: -1"
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DEFINE_string verity_algorithm "sha1" \
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"Cryptographic hash algorithm used for kernel vboot. Default : sha1"
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DEFINE_string verity_salt "" \
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"Root filesystem salt. Default: randomly generated."
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DEFINE_boolean standard_backdoor ${FLAGS_TRUE} \
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"Install standard backdoor credentials for testing"
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DEFINE_string symlink "latest" \
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"Symlink name to use for this image."
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# TODO(clchiou): Remove this flag after buildbot is fixed
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DEFINE_boolean crosbug12352_arm_kernel_signing ${FLAGS_TRUE} \
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"A dummy this flag for preventing buildbot fail"
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# Parse command line.
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FLAGS "$@" || exit 1
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eval set -- "${FLAGS_ARGV}"
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# Only now can we die on error. shflags functions leak non-zero error codes,
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# so will die prematurely if 'set -e' is specified before now.
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set -e
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# Determine build version.
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OVERLAY_CHROMEOS_DIR="${SRC_ROOT}/third_party/chromiumos-overlay/chromeos"
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. "${OVERLAY_CHROMEOS_DIR}/config/chromeos_version.sh" || exit 1
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# N.B. Ordering matters for some of the libraries below, because
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# some of the files contain initialization used by later files.
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. "${BUILD_LIBRARY_DIR}/board_options.sh" || exit 1
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. "${BUILD_LIBRARY_DIR}/build_gpt.sh" || exit 1
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. "${BUILD_LIBRARY_DIR}/mount_gpt_util.sh" || exit 1
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. "${BUILD_LIBRARY_DIR}/build_image_util.sh" || exit 1
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. "${BUILD_LIBRARY_DIR}/base_image_util.sh" || exit 1
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. "${BUILD_LIBRARY_DIR}/dev_image_util.sh" || exit 1
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. "${BUILD_LIBRARY_DIR}/test_image_util.sh" || exit 1
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. "${BUILD_LIBRARY_DIR}/test_image_content.sh" || exit 1
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parse_build_image_args
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# Tweak flags for factory install.
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if [ ${FLAGS_factory_install} -eq ${FLAGS_TRUE} ]; then
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# TODO: Build a separated ebuild for the install shim to reduce size.
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INSTALL_MASK="${INSTALL_MASK} ${FACTORY_INSTALL_MASK}"
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# Reduce the size of factory install shim.
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info "Fixing the rootfs size at 300 MiB for install shim"
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FLAGS_rootfs_size=280
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FLAGS_rootfs_partition_size=300
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info "Fixing the statefulfs size at 140 MiB for install shim"
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FLAGS_statefulfs_size=140
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# Add the cros_factory_install boot arg.
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FLAGS_boot_args="${FLAGS_boot_args} cros_factory_install"
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fi
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if [ $((FLAGS_rootfs_size + FLAGS_rootfs_hash_pad)) -gt \
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${FLAGS_rootfs_partition_size} ] ; then
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die "rootfs ($((FLAGS_rootfs_size + FLAGS_rootfs_hash_pad)) MiB) is \
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bigger than partition (${FLAGS_rootfs_partition_size} MiB)."
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fi
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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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PRISTINE_IMAGE_NAME=chromiumos_image.bin
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if [ ${FLAGS_withdev} -eq ${FLAGS_TRUE} ]; then
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PRISTINE_IMAGE_NAME=${CHROMEOS_BASE_IMAGE_NAME}
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# Rename pristine image for factory install shim.
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elif [ ${FLAGS_factory_install} -eq ${FLAGS_TRUE} ]; then
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PRISTINE_IMAGE_NAME=${CHROMEOS_FACTORY_INSTALL_SHIM_NAME}
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fi
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ROOT_FS_DIR="${BUILD_DIR}/rootfs"
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STATEFUL_FS_DIR="${BUILD_DIR}/stateful_partition"
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ESP_FS_DIR=${BUILD_DIR}/esp
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DEVKEYSDIR="/usr/share/vboot/devkeys"
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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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eclean-$BOARD -d packages
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check_blacklist
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# Check that the build root is sane.
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"${BUILD_LIBRARY_DIR}/test_build_root" --root="${BOARD_ROOT}"
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# Hack to fix bug where x86_64 CHOST line gets incorrectly added.
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# ToDo(msb): remove this hack.
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PACKAGES_FILE="${BOARD_ROOT}/packages/Packages"
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sudo sed -e "s/CHOST: x86_64-pc-linux-gnu//" -i "${PACKAGES_FILE}"
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# Handle existing directory.
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if [[ -e "${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 ${BUILD_DIR} already exists."
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error "Use --build_attempt option to specify an unused attempt."
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die "Or use --replace if you want to overwrite this directory."
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fi
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fi
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# Create the output directory and temporary mount points.
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mkdir -p "${BUILD_DIR}"
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mkdir -p "${ROOT_FS_DIR}" "${STATEFUL_FS_DIR}" "${ESP_FS_DIR}"
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# Create the boot.desc file which stores the build-time configuration
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# information needed for making the image bootable after creation with
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# cros_make_image_bootable.
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create_boot_desc
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create_base_image ${PRISTINE_IMAGE_NAME}
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BOOT_FLAG=
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if [ ${FLAGS_factory_install} -eq ${FLAGS_TRUE} ]; then
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BOOT_FLAG="-b 1" # BOOT_FLAG_DEVELOPER value defined in load_kernel_fw.h
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info "--factory_install set, pass BOOT_FLAG_DEVELOPER flag to \
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load_kernel_test"
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fi
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# Verify pristine image if we built it.
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if should_build_image "${PRISTINE_IMAGE_NAME}"; then
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load_kernel_test "${BUILD_DIR}/${PRISTINE_IMAGE_NAME}" \
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"${DEVKEYSDIR}/recovery_key.vbpubk" ${BOOT_FLAG}
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fi
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# Create a developer image based on the chromium os base image.
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if [ ${FLAGS_withdev} -eq ${FLAGS_TRUE} ]; then
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copy_image ${CHROMEOS_BASE_IMAGE_NAME} ${CHROMEOS_DEVELOPER_IMAGE_NAME}
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install_dev_packages ${CHROMEOS_DEVELOPER_IMAGE_NAME}
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fi
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# Create a test or factory test image if desired.
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if [ ${FLAGS_factory} -eq ${FLAGS_TRUE} ]; then
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copy_image ${CHROMEOS_DEVELOPER_IMAGE_NAME} \
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${CHROMEOS_FACTORY_TEST_IMAGE_NAME}
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mod_image_for_test ${CHROMEOS_FACTORY_TEST_IMAGE_NAME}
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elif [ ${FLAGS_test} -eq ${FLAGS_TRUE} ]; then
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copy_image ${CHROMEOS_DEVELOPER_IMAGE_NAME} ${CHROMEOS_TEST_IMAGE_NAME}
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mod_image_for_test ${CHROMEOS_TEST_IMAGE_NAME}
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fi
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rmdir "${ROOT_FS_DIR}" "${STATEFUL_FS_DIR}" "${ESP_FS_DIR}"
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# Generating AU generator zip file to run outside chroot
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generate_au_zip || echo "Failed generating AU zip file - ignoring Error..."
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# Create a named symlink.
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LINK_NAME="${FLAGS_output_root}/${BOARD}/${FLAGS_symlink}"
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ln -sfT $(basename ${BUILD_DIR}) ${LINK_NAME}
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echo "Done. Image created in ${BUILD_DIR}"
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echo "Chromium OS image created as ${PRISTINE_IMAGE_NAME}"
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if [ ${FLAGS_withdev} -eq ${FLAGS_TRUE} ]; then
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echo "Developer image created as ${CHROMEOS_DEVELOPER_IMAGE_NAME}"
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fi
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if [ ${FLAGS_factory} -eq ${FLAGS_TRUE} ]; then
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echo "Factory test image created as ${CHROMEOS_FACTORY_TEST_IMAGE_NAME}"
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elif [ ${FLAGS_test} -eq ${FLAGS_TRUE} ]; then
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echo "Test image created as ${CHROMEOS_TEST_IMAGE_NAME}"
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fi
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print_time_elapsed
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echo "To copy to USB keyfob, do something like:"
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echo " ./image_to_usb.sh --from=${OUTSIDE_OUTPUT_DIR} --to=/dev/sdX"
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echo "To convert to VMWare image, INSIDE the chroot, do something like:"
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echo " ./image_to_vm.sh --from=${OUTSIDE_OUTPUT_DIR} --board=${BOARD}"
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echo "from the scripts directory where you entered the chroot."
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