mirror of
https://github.com/flatcar/scripts.git
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3fa29024e1
Make use of the new partition UUIDs for ROOT-A and ROOT-B in the root= kernel parameters provided by the legacy (non-kexec) bootloaders. This makes all of our images bootable as-is without having to pass them through image_to_vm.sh. :-D
220 lines
7.5 KiB
Bash
Executable File
220 lines
7.5 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2010 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 convert the output of build_image.sh to a VMware image and write a
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# corresponding VMware config file.
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# Helper scripts should be run from the same location as this script.
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SCRIPT_ROOT=$(dirname "$(readlink -f "$0")")
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. "${SCRIPT_ROOT}/common.sh" || exit 1
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. "${SCRIPT_ROOT}/build_library/disk_layout_util.sh" || exit 1
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. "${SCRIPT_ROOT}/build_library/build_common.sh" || exit 1
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# Need to be inside the chroot to load chromeos-common.sh
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assert_inside_chroot
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# Load functions and constants for chromeos-install
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. /usr/lib/installer/chromeos-common.sh || exit 1
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. "${SCRIPT_ROOT}/lib/cros_vm_constants.sh" || exit 1
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# Flags
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DEFINE_string adjust_part "" \
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"Adjustments to apply to the partition table"
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DEFINE_string board "${DEFAULT_BOARD}" \
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"Board for which the image was built"
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DEFINE_boolean prod $FLAGS_FALSE \
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"Build prod image"
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# We default to TRUE so the buildbot gets its image. Note this is different
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# behavior from image_to_usb.sh
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DEFINE_boolean force_copy ${FLAGS_FALSE} "Always rebuild test image"
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DEFINE_string format "qemu" \
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"Output format, either xen, qemu, vmware or virtualbox"
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DEFINE_string from "" \
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"Directory containing rootfs.image and mbr.image"
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DEFINE_string disk_layout "vm" \
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"The disk layout type to use for this image."
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DEFINE_boolean make_vmx ${FLAGS_TRUE} \
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"Create a vmx file for use with vmplayer (vmware only)."
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DEFINE_integer mem "${DEFAULT_MEM}" \
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"Memory size for the vm config in MBs (vmware only)."
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DEFINE_string state_image "" \
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"Stateful partition image (defaults to creating new statful partition)"
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DEFINE_boolean test_image "${FLAGS_FALSE}" \
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"Copies normal image to ${CHROMEOS_TEST_IMAGE_NAME}, modifies it for test."
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DEFINE_boolean prod_image "${FLAGS_FALSE}" \
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"Copies normal image to ${COREOS_OFFICIAL_IMAGE_NAME}, modifies it for test."
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DEFINE_string to "" \
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"Destination folder for VM output file(s)"
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DEFINE_string vbox_disk "${DEFAULT_VBOX_DISK}" \
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"Filename for the output disk (virtualbox only)."
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DEFINE_string vmdk "${DEFAULT_VMDK}" \
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"Filename for the vmware disk image (vmware only)."
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DEFINE_string vmx "${DEFAULT_VMX}" \
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"Filename for the vmware config (vmware only)."
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# The following arguments are ignored.
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# They are here as part of a transition for CL #29931 beacuse the buildbots
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# specify these arguments.
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DEFINE_integer vdisk_size 3072 \
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"virtual disk size in MBs."
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DEFINE_boolean full "${FLAGS_FALSE}" "Build full image with all partitions."
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DEFINE_integer rootfs_partition_size 1024 \
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"rootfs parition size in MBs."
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DEFINE_integer statefulfs_size 2048 \
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"Stateful partition size in MBs."
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# Parse command line
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FLAGS "$@" || exit 1
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eval set -- "${FLAGS_ARGV}"
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# Die on any errors.
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switch_to_strict_mode
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if [ -z "${FLAGS_board}" ] ; then
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die_notrace "--board is required."
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fi
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BOARD="$FLAGS_board"
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IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images/${FLAGS_board}"
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# Default to the most recent image
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if [ -z "${FLAGS_from}" ] ; then
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FLAGS_from="$(${SCRIPT_ROOT}/get_latest_image.sh --board=${FLAGS_board})"
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else
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pushd "${FLAGS_from}" && FLAGS_from=`pwd` && popd
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fi
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if [ -z "${FLAGS_to}" ] ; then
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FLAGS_to="${FLAGS_from}"
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fi
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if [ ${FLAGS_prod_image} -eq ${FLAGS_TRUE} ]; then
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SRC_IMAGE="${FLAGS_from}/${COREOS_PRODUCTION_IMAGE_NAME}"
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elif [ ${FLAGS_test_image} -eq ${FLAGS_TRUE} ]; then
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SRC_IMAGE="${FLAGS_from}/${CHROMEOS_TEST_IMAGE_NAME}"
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else
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# Use the standard image
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SRC_IMAGE="${FLAGS_from}/${CHROMEOS_IMAGE_NAME}"
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fi
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locate_gpt
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legacy_offset_size_export ${SRC_IMAGE}
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# Memory units are in MBs
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TEMP_IMG="$(dirname "${SRC_IMAGE}")/vm_temp_image.bin"
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# If we're not building for VMWare, don't build the vmx
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if [ "${FLAGS_format}" != "vmware" ]; then
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FLAGS_make_vmx="${FLAGS_FALSE}"
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fi
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# Convert args to paths. Need eval to un-quote the string so that shell
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# chars like ~ are processed; just doing FOO=`readlink -f $FOO` won't work.
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FLAGS_from=`eval readlink -f $FLAGS_from`
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FLAGS_to=`eval readlink -f $FLAGS_to`
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# Split apart the partitions and make some new ones
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TEMP_DIR=$(mktemp -d)
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pushd "${TEMP_DIR}" >/dev/null
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"${FLAGS_from}/unpack_partitions.sh" "${SRC_IMAGE}"
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popd >/dev/null
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# Fix the kernel command line
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TEMP_ESP="${TEMP_DIR}"/part_${NUM_ESP}
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TEMP_OEM="${TEMP_DIR}"/part_${NUM_OEM}
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TEMP_ROOTFS="${TEMP_DIR}"/part_${NUM_ROOTFS_A}
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TEMP_STATE="${TEMP_DIR}"/part_${NUM_STATEFUL}
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if [ -n "${FLAGS_state_image}" ]; then
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TEMP_STATE="${FLAGS_state_image}"
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else
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STATEFUL_SIZE_BYTES=$(get_filesystem_size "${FLAGS_disk_layout}" ${NUM_STATEFUL})
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STATEFUL_SIZE_MEGABYTES=$(( STATEFUL_SIZE_BYTES / 1024 / 1024 ))
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original_image_size=$(stat -c%s "${TEMP_STATE}")
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if [ "${original_image_size}" -gt "${STATEFUL_SIZE_BYTES}" ]; then
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die "Cannot resize stateful image to smaller than original. Exiting."
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fi
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echo "Resizing stateful partition to ${STATEFUL_SIZE_MEGABYTES}MB"
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# Extend the original file size to the new size.
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sudo e2fsck -pf "${TEMP_STATE}"
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sudo resize2fs "${TEMP_STATE}" ${STATEFUL_SIZE_MEGABYTES}M
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fi
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TEMP_PMBR="${TEMP_DIR}"/pmbr
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dd if="${SRC_IMAGE}" of="${TEMP_PMBR}" bs=512 count=1
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# Set up a new partition table
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PARTITION_SCRIPT_PATH=$( tempfile )
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write_partition_script "${FLAGS_disk_layout}" "${PARTITION_SCRIPT_PATH}"
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. "${PARTITION_SCRIPT_PATH}"
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write_partition_table "${TEMP_IMG}" "${TEMP_PMBR}"
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rm "${PARTITION_SCRIPT_PATH}"
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# Copy into the partition parts of the file
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dd if="${TEMP_ROOTFS}" of="${TEMP_IMG}" conv=notrunc bs=512 \
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seek=$(partoffset ${TEMP_IMG} ${NUM_ROOTFS_A})
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dd if="${TEMP_STATE}" of="${TEMP_IMG}" conv=notrunc bs=512 \
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seek=$(partoffset ${TEMP_IMG} ${NUM_STATEFUL})
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dd if="${TEMP_ESP}" of="${TEMP_IMG}" conv=notrunc bs=512 \
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seek=$(partoffset ${TEMP_IMG} ${NUM_ESP})
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dd if="${TEMP_OEM}" of="${TEMP_IMG}" conv=notrunc bs=512 \
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seek=$(partoffset ${TEMP_IMG} ${NUM_OEM})
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echo Creating final image
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# Convert image to output format
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if [ "${FLAGS_format}" = "virtualbox" -o "${FLAGS_format}" = "qemu" \
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-o "${FLAGS_format}" = "xen" ]; then
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if [ "${FLAGS_format}" = "virtualbox" ]; then
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sudo VBoxManage convertdd "${TEMP_IMG}" "${FLAGS_to}/${FLAGS_vbox_disk}"
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else
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mv ${TEMP_IMG} ${FLAGS_to}/${DEFAULT_QEMU_IMAGE}
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fi
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elif [ "${FLAGS_format}" = "vmware" ]; then
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qemu-img convert -f raw "${TEMP_IMG}" \
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-O vmdk "${FLAGS_to}/${FLAGS_vmdk}"
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else
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die_notrace "Invalid format: ${FLAGS_format}"
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fi
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rm -rf "${TEMP_DIR}" "${TEMP_IMG}"
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if [ -z "${FLAGS_state_image}" ]; then
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rm -f "${STATE_IMAGE}"
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fi
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echo "Created image at ${FLAGS_to}"
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# Generate the vmware config file
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# A good reference doc: http://www.sanbarrow.com/vmx.html
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VMX_CONFIG="#!/usr/bin/vmware
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.encoding = \"UTF-8\"
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config.version = \"8\"
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virtualHW.version = \"4\"
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memsize = \"${FLAGS_mem}\"
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ide0:0.present = \"TRUE\"
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ide0:0.fileName = \"${FLAGS_vmdk}\"
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ethernet0.present = \"TRUE\"
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usb.present = \"TRUE\"
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sound.present = \"TRUE\"
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sound.virtualDev = \"es1371\"
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displayName = \"Chromium OS\"
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guestOS = \"otherlinux\"
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ethernet0.addressType = \"generated\"
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floppy0.present = \"FALSE\""
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if [[ "${FLAGS_make_vmx}" = "${FLAGS_TRUE}" ]]; then
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echo "${VMX_CONFIG}" > "${FLAGS_to}/${FLAGS_vmx}"
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echo "Wrote the following config to: ${FLAGS_to}/${FLAGS_vmx}"
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echo "${VMX_CONFIG}"
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fi
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if [ "${FLAGS_format}" == "qemu" ]; then
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echo "If you have qemu-kvm installed, you can start the image by:"
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echo "qemu-kvm -m ${FLAGS_mem} -curses -pidfile /tmp/kvm.pid -net nic,model=virtio \\"
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echo " -net user,hostfwd=tcp::2222-:22 -hda ${FLAGS_to}/${DEFAULT_QEMU_IMAGE}"
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echo "SSH into the host with:"
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echo "ssh 127.0.0.1 -p 2222"
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fi
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