mirror of
https://github.com/flatcar/scripts.git
synced 2025-08-08 05:26:58 +02:00
Final set of VM scripts - integrated with changes from Zelidrag to create a test image if specified.
Integrated comments from http://codereview.chromium.org/2604001/show [the git repository that commit was on was deleted and replaced, hence this new commit] Review URL: http://codereview.chromium.org/2803015
This commit is contained in:
Rahul Chaturvedi
parent
8edffbaec5
commit
b5643e8bf6
148
fixup_image_for_qemu.py
Executable file
148
fixup_image_for_qemu.py
Executable file
@ -0,0 +1,148 @@
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#!/usr/bin/env python
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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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"""Makes changes to mounted Chromium OS image to allow it to run with VMs
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This script changes two files within the Chromium OS image to let the image
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work with VMs, particularly QEMU
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Currently this script does the following,
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1.) Modify the post install script to remove EFI fixup section; the VM's we
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support don't have EFI support anyway and this section of the script needs
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access to the actual device drives
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2.) For QEMU/KVM, we change the xorg.conf to remove mouse support and instead
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change it to complete tablet support. This is done to provide better mouse
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response in the VM since tablets work of absolute coordinates while the mouse
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works of relative. In a screen that doesn't support a mouse grab (e.g., VNC),
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relative coordinates can cause the mouse to be flaky
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"""
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from optparse import OptionParser
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import os
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import stat
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import sys
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USAGE = "usage: %prog --mounted_dir=directory --for_qemu=[true]"
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POST_INST_IN_FILENAME = 'usr/sbin/chromeos-postinst'
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POST_INST_OUT_FILENAME = 'postinst_vm'
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XORG_CONF_FILENAME = os.path.join('etc', 'X11', 'xorg.conf')
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EFI_CODE_MARKER_START = r'echo "Updating grub target for EFI BIOS"'
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EFI_CODE_MARKER_END = \
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r"""gpt -S boot -i $NEW_PART_NUM -b /tmp/oldpmbr.bin ${ROOT_DEV} 2>&1
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fi
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else"""
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INPUT_SECTION_MARKER = r'Section "InputDevice"'
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SECTION_END_MARKER = r'EndSection'
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MOUSE_SECTION_IDENTIFIERS = []
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MOUSE_SECTION_IDENTIFIERS += ['Identifier "Mouse']
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MOUSE_SECTION_IDENTIFIERS += ['Identifier "USBMouse']
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REPLACE_USB_MOUSE_PAIR = ('InputDevice "USBMouse" "AlwaysCore"',
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'')
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TABLET_DEVICE_CONFIG = """
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Section "InputDevice"
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Identifier "Mouse1"
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Driver "evdev"
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Option "Device" "/dev/input/event2"
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Option "CorePointer" "true"
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EndSection
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"""
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# Modify the xorg.conf file to remove all mouse sections and replace it
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# with ours containing the tablet - note: when running under QEMU, you
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# *need* to specify the -usbdevice tablet option to get the mouse to work
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def FixXorgConf(mount_point):
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xorg_conf_filename = os.path.join(mount_point, XORG_CONF_FILENAME)
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f = open(xorg_conf_filename, 'r')
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xorg_conf = f.read()
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f.close()
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more_sections = 1
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last_found = 0
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while (more_sections):
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# Find the input section.
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m1 = xorg_conf.find(INPUT_SECTION_MARKER, last_found)
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if m1 > -1:
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m2 = xorg_conf.find(SECTION_END_MARKER, m1)
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m2 += len(SECTION_END_MARKER)
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# Make sure the next iteration doesn't rinse/repeat.
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last_found = m2
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# Check if this is a mouse section.
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for ident in MOUSE_SECTION_IDENTIFIERS:
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if xorg_conf.find(ident, m1, m2) != -1:
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xorg_conf = xorg_conf[0:m1] + xorg_conf[m2:]
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last_found -= (m2-m1)
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break
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else:
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more_sections = 0
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xorg_conf = xorg_conf[0:last_found] + TABLET_DEVICE_CONFIG + \
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xorg_conf[last_found:]
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# Replace UsbMouse with Tablet.
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xorg_conf = xorg_conf.replace(REPLACE_USB_MOUSE_PAIR[0],
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REPLACE_USB_MOUSE_PAIR[1])
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# Write the file back out.
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f = open(xorg_conf_filename, 'w')
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f.write(xorg_conf)
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f.close()
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# Remove the code that does EFI processing from the postinst script
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def FixPostInst(mount_point):
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postinst_in = os.path.join(mount_point, POST_INST_IN_FILENAME)
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f = open(postinst_in, 'r')
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postinst = f.read()
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f.close()
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m1 = postinst.find(EFI_CODE_MARKER_START)
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m2 = postinst.find(EFI_CODE_MARKER_END)
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if (m1 == -1) or (m2 == -1) or (m1 > m2):
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# basic sanity check
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return
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m2 += len(EFI_CODE_MARKER_END)
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postinst = postinst[0:m1] + postinst[m2:]
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# Write the file back out.
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postinst_out = os.path.join(mount_point, POST_INST_OUT_FILENAME)
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f = open(postinst_out, 'w')
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f.write(postinst)
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f.close()
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# Mark the file read/execute.
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os.chmod(postinst_out, stat.S_IEXEC | stat.S_IREAD)
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def main():
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parser = OptionParser(USAGE)
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parser.add_option('--mounted_dir', dest='mounted_dir',
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help='directory where the Chromium OS image is mounted')
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parser.add_option('--for_qemu', dest='for_qemu',
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default="true",
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help='fixup image for qemu')
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(options, args) = parser.parse_args()
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if not options.mounted_dir:
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parser.error("Please specify the mount point for the Chromium OS image");
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if options.for_qemu not in ('true', 'false'):
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parser.error("Please specify either true or false for --for_qemu")
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FixPostInst(options.mounted_dir)
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if (options.for_qemu == 'true'):
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FixXorgConf(options.mounted_dir)
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if __name__ == '__main__':
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main()
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229
image_to_vm.sh
Executable file
229
image_to_vm.sh
Executable file
@ -0,0 +1,229 @@
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#!/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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# Load common constants. This should be the first executable line.
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# The path to common.sh should be relative to your script's location.
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. "$(dirname "$0")/common.sh"
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. "$(dirname "$0")/chromeos-common.sh"
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get_default_board
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DEFAULT_VMDK="ide.vmdk"
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DEFAULT_VMX="chromiumos.vmx"
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DEFAULT_VBOX_DISK="os.vdi"
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DEFAULT_QEMU_IMAGE="chromiumos_qemu.image"
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MOD_SCRIPTS_ROOT="${GCLIENT_ROOT}/src/scripts/mod_for_test_scripts"
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# Flags
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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 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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"Modify the image for factory install shim"
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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 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_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_integer rootfs_partition_size 1024 \
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"rootfs parition size in MBs."
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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 "${FLAGS_FALSE}" \
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"Copies normal image to chromiumos_test_image.bin, modifies it for test."
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DEFINE_string to "" \
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"Destination folder for VM output file(s)"
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DEFINE_string vbox_disk "${DEFAULT_VBOX_DISK}" \
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"Filename for the output disk (virtualbox only)."
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DEFINE_integer vdisk_size 3072 \
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"virtual disk size in MBs."
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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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# 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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set -e
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if [ -z "${FLAGS_board}" ] ; then
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die "--board is required."
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fi
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IMAGES_DIR="${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="${IMAGES_DIR}/$(ls -t $IMAGES_DIR | head -1)"
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fi
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if [ -z "${FLAGS_to}" ] ; then
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FLAGS_to="${FLAGS_from}"
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fi
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# Use this image as the source image to copy
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SRC_IMAGE="${FLAGS_from}/chromiumos_image.bin"
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# If we're asked to modify the image for test, then let's make a copy and
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# modify that instead.
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if [ ${FLAGS_test_image} -eq ${FLAGS_TRUE} ] ; then
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if [ ! -f "${FLAGS_from}/chromiumos_test_image.bin" ] || \
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[ ${FLAGS_force_copy} -eq ${FLAGS_TRUE} ] ; then
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# Copy it.
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echo "Creating test image from original..."
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cp -f "${SRC_IMAGE}" "${FLAGS_from}/chromiumos_test_image.bin"
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# Check for manufacturing image.
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if [ ${FLAGS_factory} -eq ${FLAGS_TRUE} ] ; then
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EXTRA_ARGS="--factory"
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fi
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# Check for install shim.
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if [ ${FLAGS_factory_install} -eq ${FLAGS_TRUE} ] ; then
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EXTRA_ARGS="--factory_install"
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fi
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# Modify it. Pass --yes so that mod_image_for_test.sh won't ask us if we
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# really want to modify the image; the user gave their assent already with
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# --test-image and the original image is going to be preserved.
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"${SCRIPTS_DIR}/mod_image_for_test.sh" --image \
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"${FLAGS_from}/chromiumos_test_image.bin" ${EXTRA_ARGS} --yes
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echo "Done with mod_image_for_test."
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else
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echo "Using cached test image."
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fi
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SRC_IMAGE="${FLAGS_from}/chromiumos_test_image.bin"
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echo "Source test image is: ${SRC_IMAGE}"
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fi
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# Memory units are in MBs
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DEFAULT_MEM="1024"
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TEMP_IMAGE="${IMAGES_DIR}/temp_image.img"
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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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(cd "${TEMP_DIR}" &&
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"${FLAGS_from}/unpack_partitions.sh" "${SRC_IMAGE}")
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# Fix the kernel command line
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TEMP_ESP="${TEMP_DIR}"/part_12
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TEMP_ROOTFS="${TEMP_DIR}"/part_3
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TEMP_STATE="${TEMP_DIR}"/part_1
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if [ -n "${FLAGS_state_image}" ]; then
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TEMP_STATE="${FLAGS_state_image}"
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fi
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TEMP_KERN="${TEMP_DIR}"/part_2
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TEMP_PMBR="${TEMP_DIR}"/pmbr
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dd if="${SRC_IMAGE}" of="${TEMP_PMBR}" bs=512 count=1
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TEMP_MNT=$(mktemp -d)
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cleanup() {
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sudo umount -d "${TEMP_MNT}"
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rmdir "${TEMP_MNT}"
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}
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trap cleanup INT TERM EXIT
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mkdir -p "${TEMP_MNT}"
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sudo mount -o loop "${TEMP_ROOTFS}" "${TEMP_MNT}"
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if [ "${FLAGS_format}" = "qemu" ]; then
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sudo python ./fixup_image_for_qemu.py --mounted_dir="${TEMP_MNT}" \
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--for_qemu=true
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else
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sudo python ./fixup_image_for_qemu.py --mounted_dir="${TEMP_MNT}" \
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--for_qemu=false
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fi
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# Change this value if the rootfs partition changes
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ROOTFS_PARTITION=/dev/sda3
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sudo "${TEMP_MNT}"/postinst_vm "${ROOTFS_PARTITION}"
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trap - INT TERM EXIT
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cleanup
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# Make 3 GiB output image
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TEMP_IMG=$(mktemp)
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# TOOD(adlr): pick a size that will for sure accomodate the partitions
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sudo dd if=/dev/zero of="${TEMP_IMG}" bs=1 count=1 \
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seek=$((${FLAGS_vdisk_size} * 1024 * 1024 - 1))
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# Set up the partition table
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install_gpt "${TEMP_IMG}" "${TEMP_ROOTFS}" "${TEMP_KERN}" "${TEMP_STATE}" \
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"${TEMP_PMBR}" "${TEMP_ESP}" true false ${FLAGS_rootfs_partition_size}
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# Copy into the partition parts of the file
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dd if="${TEMP_ROOTFS}" of="${TEMP_IMG}" conv=notrunc bs=512 \
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seek="${START_ROOTFS_A}"
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dd if="${TEMP_STATE}" of="${TEMP_IMG}" conv=notrunc bs=512 \
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seek="${START_STATEFUL}"
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dd if="${TEMP_KERN}" of="${TEMP_IMG}" conv=notrunc bs=512 \
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seek="${START_KERN_A}"
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dd if="${TEMP_ESP}" of="${TEMP_IMG}" conv=notrunc bs=512 \
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seek="${START_ESP}"
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echo Creating final image
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# Convert image to output format
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if [ "${FLAGS_format}" = "virtualbox" -o "${FLAGS_format}" = "qemu" ]; then
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if [ "${FLAGS_format}" = "virtualbox" ]; then
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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 "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 "${VMX_CONFIG}"
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fi
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@ -1,153 +0,0 @@
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#!/bin/bash
|
||||
|
||||
# Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
|
||||
# Use of this source code is governed by a BSD-style license that can be
|
||||
# found in the LICENSE file.
|
||||
|
||||
# Script to convert the output of build_image.sh to a VMware image and write a
|
||||
# corresponding VMware config file.
|
||||
|
||||
# Load common constants. This should be the first executable line.
|
||||
# The path to common.sh should be relative to your script's location.
|
||||
. "$(dirname "$0")/common.sh"
|
||||
. "$(dirname "$0")/chromeos-common.sh"
|
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|
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IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images"
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# Default to the most recent image
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DEFAULT_FROM="${IMAGES_DIR}/`ls -t $IMAGES_DIR | head -1`"
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DEFAULT_TO="${DEFAULT_FROM}"
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DEFAULT_VMDK="ide.vmdk"
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DEFAULT_VMX="chromeos.vmx"
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DEFAULT_VBOX_DISK="os.vdi"
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# Memory units are in MBs
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DEFAULT_MEM="1024"
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VBOX_TEMP_IMAGE="${IMAGES_DIR}/vbox_temp.img"
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# Flags
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DEFINE_string from "$DEFAULT_FROM" \
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"Directory containing rootfs.image and mbr.image"
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DEFINE_string to "$DEFAULT_TO" \
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"Destination folder for VM output file(s)"
|
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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_string format "vmware" \
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"Output format, either vmware or virtualbox"
|
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DEFINE_boolean make_vmx ${FLAGS_TRUE} \
|
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"Create a vmx file for use with vmplayer (vmware only)."
|
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DEFINE_string vmdk "$DEFAULT_VMDK" \
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"Filename for the vmware disk image (vmware only)."
|
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DEFINE_string vmx "$DEFAULT_VMX" \
|
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"Filename for the vmware config (vmware only)."
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DEFINE_integer mem "$DEFAULT_MEM" \
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"Memory size for the vm config in MBs (vmware only)."
|
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DEFINE_string vbox_disk "$DEFAULT_VBOX_DISK" \
|
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"Filename for the output disk (virtualbox only)."
|
||||
|
||||
# Parse command line
|
||||
FLAGS "$@" || exit 1
|
||||
eval set -- "${FLAGS_ARGV}"
|
||||
|
||||
# Die on any errors.
|
||||
set -e
|
||||
|
||||
if [ "$FLAGS_format" != "vmware" ]; then
|
||||
FLAGS_make_vmx=${FLAGS_FALSE}
|
||||
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 $FLAGS_to`
|
||||
|
||||
# Split apart the partitions and make some new ones
|
||||
TEMP_DIR=$(mktemp -d)
|
||||
(cd "$TEMP_DIR" &&
|
||||
"${FLAGS_from}/unpack_partitions.sh" "${FLAGS_from}/chromiumos_image.bin")
|
||||
|
||||
# Fix the kernel command line
|
||||
# FIXME: TEMP_ESP is only partition 4 at the moment. It may change!
|
||||
TEMP_ESP="$TEMP_DIR"/part_4
|
||||
TEMP_ROOTFS="$TEMP_DIR"/part_3
|
||||
TEMP_STATE="$TEMP_DIR"/part_1
|
||||
if [ -n "${FLAGS_state_image}" ]; then
|
||||
TEMP_STATE="${FLAGS_state_image}"
|
||||
fi
|
||||
TEMP_KERN="$TEMP_DIR"/part_2
|
||||
TEMP_PMBR="$TEMP_DIR"/pmbr
|
||||
dd if="${FLAGS_from}/chromiumos_image.bin" of="$TEMP_PMBR" bs=512 count=1
|
||||
|
||||
TEMP_MNT=$(mktemp -d)
|
||||
cleanup() {
|
||||
sudo umount -d "$TEMP_MNT"
|
||||
rmdir "$TEMP_MNT"
|
||||
}
|
||||
trap cleanup INT TERM EXIT
|
||||
mkdir -p "$TEMP_MNT"
|
||||
sudo mount -o loop "$TEMP_ROOTFS" "$TEMP_MNT"
|
||||
sudo "$TEMP_MNT"/postinst /dev/sda3
|
||||
trap - INT TERM EXIT
|
||||
cleanup
|
||||
|
||||
# Make 3 GiB output image
|
||||
TEMP_IMG=$(mktemp)
|
||||
# TOOD(adlr): pick a size that will for sure accomodate the partitions
|
||||
sudo dd if=/dev/zero of="${TEMP_IMG}" bs=1 count=1 \
|
||||
seek=$((3 * 1024 * 1024 * 1024 - 1))
|
||||
|
||||
# Set up the partition table
|
||||
install_gpt "$TEMP_IMG" "$TEMP_ROOTFS" "$TEMP_KERN" "$TEMP_STATE" \
|
||||
"$TEMP_PMBR" "$TEMP_ESP" true
|
||||
# Copy into the partition parts of the file
|
||||
dd if="$TEMP_ROOTFS" of="$TEMP_IMG" conv=notrunc bs=512 seek="$START_ROOTFS_A"
|
||||
dd if="$TEMP_STATE" of="$TEMP_IMG" conv=notrunc bs=512 seek="$START_STATEFUL"
|
||||
dd if="$TEMP_KERN" of="$TEMP_IMG" conv=notrunc bs=512 seek="$START_KERN_A"
|
||||
dd if="$TEMP_ESP" of="$TEMP_IMG" conv=notrunc bs=512 seek="$START_ESP"
|
||||
|
||||
echo Creating final image
|
||||
# Convert image to output format
|
||||
if [ "$FLAGS_format" = "virtualbox" ]; then
|
||||
qemu-img convert -f raw $TEMP_IMG \
|
||||
-O raw "${VBOX_TEMP_IMAGE}"
|
||||
VBoxManage convertdd "${VBOX_TEMP_IMAGE}" "${FLAGS_to}/${FLAGS_vbox_disk}"
|
||||
elif [ "$FLAGS_format" = "vmware" ]; then
|
||||
qemu-img convert -f raw $TEMP_IMG \
|
||||
-O vmdk "${FLAGS_to}/${FLAGS_vmdk}"
|
||||
else
|
||||
echo invalid format: "$FLAGS_format"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
rm -rf "$TEMP_DIR" "${VBOX_TEMP_IMAGE}" "$TEMP_IMG"
|
||||
if [ -z "$FLAGS_state_image" ]; then
|
||||
rm -f "$STATE_IMAGE"
|
||||
fi
|
||||
|
||||
echo "Created image ${FLAGS_to}"
|
||||
|
||||
# Generate the vmware config file
|
||||
# A good reference doc: http://www.sanbarrow.com/vmx.html
|
||||
VMX_CONFIG="#!/usr/bin/vmware
|
||||
.encoding = \"UTF-8\"
|
||||
config.version = \"8\"
|
||||
virtualHW.version = \"4\"
|
||||
memsize = \"${FLAGS_mem}\"
|
||||
ide0:0.present = \"TRUE\"
|
||||
ide0:0.fileName = \"${FLAGS_vmdk}\"
|
||||
ethernet0.present = \"TRUE\"
|
||||
usb.present = \"TRUE\"
|
||||
sound.present = \"TRUE\"
|
||||
sound.virtualDev = \"es1371\"
|
||||
displayName = \"Chromium OS\"
|
||||
guestOS = \"otherlinux\"
|
||||
ethernet0.addressType = \"generated\"
|
||||
floppy0.present = \"FALSE\""
|
||||
|
||||
if [[ ${FLAGS_make_vmx} = ${FLAGS_TRUE} ]]; then
|
||||
echo "${VMX_CONFIG}" > "${FLAGS_to}/${FLAGS_vmx}"
|
||||
echo "Wrote the following config to: ${FLAGS_to}/${FLAGS_vmx}"
|
||||
echo "${VMX_CONFIG}"
|
||||
fi
|
||||
|
||||
Loading…
Reference in New Issue
Block a user