py/gooftool.py

#!/usr/bin/python
#
# Copyright (c) 2012 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.

"""Google Factory Tool.

This tool is indended to be used on factory assembly lines.  It
provides all of the Google required test functionality and must be run
on each device as part of the assembly process.
"""


import logging
import os
import re
import sys
import time

from tempfile import gettempdir, NamedTemporaryFile

import bmpblk
import crosfw
import probe
import report_upload
import vpd_data

from common import Error, ParseKeyValueData, SetupLogging, Shell
from common import YamlRead, YamlWrite
from hacked_argparse import CmdArg, Command, ParseCmdline, verbosity_cmd_arg
from hwid_tool import HardwareDb

import factory_common
from cros.factory.event_log import EventLog, EVENT_LOG_DIR
from cros.factory.event_log import TimedUuid
from cros.factory.test.factory import FACTORY_LOG_PATH


# Use a global event log, so that only a single log is created when
# gooftool is called programmatically.
_event_log = EventLog('gooftool')


def GetPrimaryDevicePath(partition=None):
  def IsFixed(dev):
    sysfs_path = '/sys/block/%s/removable' % dev
    return (os.path.exists(sysfs_path) and
            open(sysfs_path).read().strip() == '0')
  alpha_re = re.compile(r'^/dev/([a-zA-Z]+)[0-9]+$')
  alnum_re = re.compile(r'^/dev/([a-zA-Z]+[0-9]+)p[0-9]+$')
  matched_alnum = False
  dev_set = set()
  for path in Shell('cgpt find -t rootfs').stdout.strip().split():
    for dev in alpha_re.findall(path):
      if IsFixed(dev):
        dev_set.add(dev)
        matched_alnum = False
    for dev in alnum_re.findall(path):
      if IsFixed(dev):
        dev_set.add(dev)
        matched_alnum = True
  if len(dev_set) != 1:
    raise Error('zero or multiple primary devs: %s' % dev_set)
  dev_path = os.path.join('/dev', dev_set.pop())
  if partition is None:
    return dev_path
  fmt_str = '%sp%d' if matched_alnum else '%s%d'
  return fmt_str % (dev_path, partition)


def GetReleaseRootPartitionPath():
  return GetPrimaryDevicePath(5)


def GetReleaseKernelPartitionPath():
  return GetPrimaryDevicePath(4)


def FindScript(script_name):
  script_path = os.path.join(os.path.dirname(os.path.dirname(
        os.path.realpath(__file__))), 'sh', script_name)
  if not os.path.exists(script_path):
    raise Error('Needed script %s does not exist.' % script_path)
  return script_path


def ReadVpd(fw_image_file, kind):
  raw_vpd_data = Shell('vpd -i %s -l -f %s' % (kind, fw_image_file)).stdout
  return ParseKeyValueData('"(.*)"="(.*)"$', raw_vpd_data)


def ReadRoVpd(fw_image_file):
  return ReadVpd(fw_image_file, 'RO_VPD')


def ReadRwVpd(fw_image_file):
  return ReadVpd(fw_image_file, 'RW_VPD')


# TODO(tammo): Replace calls to sys.exit with raise Exit, and maybe
# treat that specially (as a smoot exit, as opposed to the more
# verbose output for generic Error).


@Command('write_hwid',
         CmdArg('hwid', metavar='HWID', help='HWID string'))
def WriteHwid(options):
  """Write specified HWID value into the system BB."""
  logging.debug('writing hwid string %r', options.hwid)
  main_fw = crosfw.LoadMainFirmware()
  Shell('gbb_utility --set --hwid="%s" "%s"' %
        (options.hwid, main_fw.GetFileName()))
  main_fw.Write(sections=['GBB'])
  _event_log.Log('write_hwid', hwid=options.hwid)


_hwdb_path_cmd_arg = CmdArg(
    '--hwdb_path', metavar='PATH',
    default=hwid_tool.DEFAULT_HWID_DATA_PATH,
    help='Path to the HWID database.')


@Command('probe_hwids',
         _hwdb_path_cmd_arg,
         CmdArg('-b', '--board', metavar='BOARD',
                help='BOARD name', required=True),
         CmdArg('--bom', metavar='BOM', help='BOM name'),
         CmdArg('--variant', metavar='VARIANT', help='VARIANT code'),
         CmdArg('--optimistic', action='store_true',
                help='do not probe; assume singletons match'),
         CmdArg('--stdin_comp_map', action='store_true'),
         CmdArg('--status', nargs='*', default=['supported'],
                help='consider only HWIDs with this status'))
# TODO(tammo): Add a 'hw-only probe' option that does not probe firmware.
def ProbeHwid(options):
  """Determine a list of possible HWIDs using provided args and probeing.

  VOLATILE can always be determined by probing.  To get a unique
  result, VARIANT must be specified for all cases where the matching
  BOM has more than one associated variant code, otherwise all HWID
  variants will be returned.  Both VARIANT and BOM information can
  alternatively be specified using the --stdin_comp_map argument,
  which allows specifying a list of

    component-class: canonical-component-name

  pairs on stdin, one per line (yaml format).  Based on what is known
  from BOM and stdin_comp_map, determine a list of components to probe
  for, and use those probe results to resolve a list of matching
  HWIDs.  If no boms, components, or variant codes are specified, then
  a list of all HWIDs that match probable components will be returned.

  Returns (on stdout): A list of HWIDs that match the available probe
  results and argument contraints, one per line.
  """
  map(hwid_tool.Validate.Status, options.status)
  hw_db = HardwareDb(options.data_path)
  comp_db = hw_db.comp_db
  device = hw_db.GetDevice(options.board)
  component_spec = hwid_tool.ComponentSpec.New()
  if options.bom:
    device.BomExists(options.bom)
    component_spec = CombineComponentSpecs(
      component_spec, device.boms[options.bom].primary)
  if options.variant:
    device.VariantExists(options.variant)
    variant_spec = device.variants[options.variant]
    if ComponentSpecsConflict(component_spec, variant_spec):
      sys.exit('ERROR: multiple specifications for %r components'
               ' (both VARIANT and BOM)' % comp_class)
    component_spec = CombineComponentSpecs(component_spec, variant_spec)
  if options.stdin_comp_map:
    input_map = YamlRead(sys.stdin.read())
    logging.info('stdin component map: %r', input_map)
    spec_classes = ComponentSpecClasses(component_spec)
    for key, value in input_map.items():
      if key not in comp_db.all_comp_vlasses:
        sys.exit('ERROR: unknown component class %r (from stdin)' % key)
      if value not in comp_db.all_comp_names:
        sys.exit('ERROR: unkown component name %r (from stdin)' % value)
      if key in spec_classes:
        sys.exit('ERROR: multiple specifications for %r components'
                 ' (stdin and BOM/VARIANT)' % key)
    component_spec.components.update(input_map)
  logging.info('component spec used for matching:\n%s' % component_spec.Encode)
  spec_classes = ComponentSpecClasses(component_spec)
  missing_classes = list(set(comp_db.all_comp_classes) - spec_classes)
  if missing_classes and not options.optimistic:
    logging.info('probing for missing classes %s', ', '.join(missing_classes))
    probe_results = probe.Probe(target_comp_classes=missing_classes,
                                probe_volatile=True, probe_initial_config=False)
  else:
    probe_results = hwid_tool.ProbeResults(
      found_components=component_spec.components,
      missing_component_classes=component_spec.classes_missing,
      volatiles={}, initial_configs={})
  cooked_results = hwid_tool.CookedProbeResults(comp_db, device, probe_results)
  if not cooked_results.match_tree:
    sys.exit('NO matching BOMs found')
  if cooked_results.matched_hwids:
    print '\n'.join(cooked_results.matched_hwids)
    return
  logging.info('exact HWID matching failed, but the following BOMs match: %s' %
               ', '.join(sorted(cooked_results.match_tree)))
  if options.optimistic and len(cooked_results.match_tree) == 1:
    bom_name = set(cooked_results.match_tree).pop()
    bom = device.boms[bom_name]
    variant_matches = cooked_results.match_tree[bom_name]
    if len(variant_matches) == 1:
      var_code = set(variant_matches).pop()
    elif len(bom.variants) == 1:
      var_code = set(bom.variants).pop()
    else:
      sys.exit('NO matching HWIDs found; optimistic matching failed because '
               'there were too many variants to choose from for BOM %r' %
               bom_name)
    print '\n'.join(
      device.FmtHwid(bom_name, var_code, vol_code)
      for vol_code in device.volatiles
      if device.GetHwidStatus(bom_name, var_code, vol_code)
      in options.status)
    return
  else:
    logging.info('optimistic matching not attempted because either it was '
                 'not requested, or because the number of BOMs was <> 1')
  print 'NO matching HWIDs found')


@Command('probe',
         CmdArg('--comps', nargs='*',
                help='List of keys from the component_db registry.'),
         CmdArg('--no_vol', action='store_true',
                help='Do not probe volatile data.'),
         CmdArg('--no_ic', action='store_true',
                help='Do not probe initial_config data.'))
def RunProbe(options):
  """Print yaml-formatted breakdown of probed device properties."""
  probe_results = probe.Probe(target_comp_classes=options.comps,
                              probe_volatile=not options.no_vol,
                              probe_initial_config=not options.no_ic)
  print probe_results.Encode()


@Command('verify_components',
         _hwdb_path_cmd_arg,
         CmdArg('target_comps', nargs='*'))
def VerifyComponents(options):
  """Verify that probable components all match entries in the component_db.

  Probe for each component class in the target_comps and verify
  that a corresponding match exists in the component_db -- make sure
  that these components are present, that they have been approved, but
  do not check against any specific BOM/HWID configurations.
  """
  comp_db = hwid_tool.HardwareDb(options.hwdb_path).comp_db
  if not options.target_comps:
    sys.exit('ERROR: no target component classes specified; possible choices:\n'
             + '\n  '.join(sorted(comp_db.components)))
  for comp_class in options.target_comps:
    if comp_class not in comp_db.components:
      sys.exit('ERROR: specified component class %r does not exist'
               ' in the component DB.' % comp_class)
  probe_results = probe.Probe(target_comp_classes=options.target_comps,
                              probe_volatile=False, probe_initial_config=False)
  errors = []
  matches = []
  for comp_class in sorted(options.target_comps):
    probe_val = probe_results.found_components.get(comp_class, None)
    if probe_val is not None:
      comp_name = comp_db.result_name_map.get(probe_val, None)
      if comp_name is not None:
        matches.append(comp_name)
      else:
        errors.append('unsupported %r component found with probe result'
                      ' %r (no matching name in the component DB)' %
                      (comp_class, probe_val))
    else:
      errors.append('missing %r component' % comp_class)
  if errors:
    print '\n'.join(errors)
    sys.exit('component verification FAILURE')
  else:
    print 'component verification SUCCESS'
    print 'found components:\n  %s' % '\n  '.join(matches)


@Command('verify_hwid',
         CmdArg('--status', nargs='*', default=['supported'],
                help='allow only HWIDs with these status values'),
         _hwdb_path_cmd_arg)
def VerifyHwid(options):
  """Verify system HWID properties match probed device properties.

  First probe components, volatile and initial_config parameters for
  the DUT.  Then use the available device data to produce a list of
  candidate HWIDs.  Then verify the HWID from the DUT is present in
  that list.  Then verify that the DUT initial config values match
  those specified for its HWID.  Finally, verify that VPD contains all
  the necessary fields as specified by the board data, and when
  possible verify that values are legitimate.
  """
  def VerifyVpd(ro_vpd_keys):
    ro_vpd = ReadRoVpd(main_fw_file)
    for key in ro_vpd_keys:
      if key not in ro_vpd:
        sys.exit('Missing required VPD field: %s' % key)
      known_valid_values = vpd_data.KNOWN_VPD_KEY_DATA.get(key, None)
      value = ro_vpd[key]
      if known_valid_values is not None and value not in known_valid_values:
        sys.exit('Invalid VPD entry : key %r, value %r' % (key, value))
    rw_vpd = ReadRwVpd(main_fw_file)
    _event_log.Log('vpd', ro_vpd=ro_vpd, rw_vpd=rw_vpd)
  map(hwid_tool.Validate.Status, options.status)
  main_fw_file = crosfw.LoadMainFirmware().GetFileName()
  gbb_result = Shell('gbb_utility -g --hwid %s' % main_fw_file).stdout
  hwid = re.findall(r'hardware_id:(.*)', gbb_result)[0].strip()
  hw_db = hwid_tool.HardwareDb(options.hwdb_path)
  hwid_data = hw_db.GetHwidData(hwid)
  logging.info('Verifying system HWID: %r', hwid_data.hwid)
  if hwid_data.status not in options.status:
    sys.exit('HWID status must be one of [%s], found %r' %
             (', '.join(options.status, hwid_data.status)))
  logging.debug('expected system properties:\n%s', hwid_data.Encode())
  device = hw_db.GetDevice(hwid_data.board_name)
  cooked_probe_results = hwid_tool.CookedProbeResults(
    hw_db.comp_db, device, probe.Probe())
  logging.debug('found system properties:\n%s',
                YamlWrite(cooked_results.__dict__))
  _event_log.Log(
    'probe',
    found_components=cooked_results.found_components,
    missing_component_classes=cooked_results.missing_component_classes,
    volatiles=cooked_results.volatiles,
    initial_configs=cooked_results.initial_configs)
  if hwid not in cooked_probe_results.matched_hwids:
    err_msg = 'HWID verification FAILED.\n'
    if cooked_probe_results.unmatched_components:
      sys.exit(err_msg + 'some components could not be indentified:\n%s' %
               YamlWrite(cooked_probe_results.unmatched_components))
    if not cooked_probe_results.match_tree:
      sys.exit(err_msg + 'no matching boms were found for components:\n%s' %
               cooked_probe_results.component_data.Encode())
    if hwid.bom_name not in cooked_probe_results.match_tree:
      sys.exit(err_msg + 'matching boms [%s] do not include target bom %r' %
               (', '.join(sorted(cooked_probe_results.match_tree)),
                hwid_data.bom))
    err_msg += 'target bom %r matches components' % hwid_data.bom_name
    if hwid.bom_name not in device.matched_ic_boms:
      sys.exit(err_msg + ', but failed initial config verification')
    match_tree = cooked_probe_results.match_tree
    matched_variants = match_tree.get(hwid_data.bom_name, {})
    if hwid.variant_code not in matched_variants:
      sys.exit(err_msg + ', but target variant_code %r did not match' %
               hwid_data.variant_code)
    matched_volatiles = matched_variants.get(hwid_data.variant_code, {})
    if hwid.volatile_code not in matched_volatiles:
      sys.exit(err_msg + ', but target volatile_code %r did not match' %
               hwid_data.volatile_code)
    found_status = matched_volatiles.get(hwid_data.volatile_code, None)
    sys.exit(err_msg + ', but hwid status %r was unacceptable' % found_status)
  VerifyVpd(hwid_data.ro_vpds)
  _event_log.Log('verified_hwid', hwid=hwid)


@Command('verify_keys')
def VerifyKeys(options):
  """Verify keys in firmware and SSD match."""
  script = FindScript('verify_keys.sh')
  kernel_device = GetReleaseKernelPartitionPath()
  main_fw_file = crosfw.LoadMainFirmware().GetFileName()
  result = Shell('%s %s %s' % (script, kernel_device, main_fw_file))
  if not result.success:
    raise Error, '%r failed, stderr: %r' % (script, result.stderr)


@Command('set_fw_bitmap_locale')
def SetFirmwareBitmapLocale(options):
  """Use VPD locale value to set firmware bitmap default language."""
  image_file = crosfw.LoadMainFirmware().GetFileName()
  locale = ReadRoVpd(image_file).get('initial_locale', None)
  if locale is None:
    raise Error, 'Missing initial_locale VPD.'
  bitmap_locales = []
  with NamedTemporaryFile() as f:
    Shell('gbb_utility -g --bmpfv=%s %s' % (f.name, image_file))
    bmpblk_data = bmpblk.unpack_bmpblock(f.read())
    bitmap_locales = bmpblk_data.get('locales', bitmap_locales)
  # Some locale values are just a language code and others are a
  # hyphen-separated language code and country code pair.  We care
  # only about the language code part.
  language_code = locale.partition('-')[0]
  if language_code not in bitmap_locales:
    raise Error, ('Firmware bitmaps do not contain support for the specified '
                  'initial locale language %r' % language_code)
  else:
    locale_index = bitmap_locales.index(language_code)
    logging.info('Firmware bitmap initial locale set to %d (%s).',
                 locale_index, bitmap_locales[locale_index])
    Shell('crossystem loc_idx=%d' % locale_index)


@Command('verify_system_time')
def VerifySystemTime(options):
  """Verify system time is later than release filesystem creation time."""
  script = FindScript('verify_system_time.sh')
  rootfs_device = GetReleaseRootPartitionPath()
  result = Shell('%s %s' % (script, rootfs_device))
  if not result.success:
    raise Error, '%r failed, stderr: %r' % (script, result.stderr)


@Command('verify_rootfs')
def VerifyRootFs(options):
  """Verify rootfs on SSD is valid by checking hash."""
  script = FindScript('verify_rootfs.sh')
  rootfs_device = GetReleaseRootPartitionPath()
  result = Shell('%s %s' % (script, rootfs_device))
  if not result.success:
    raise Error, '%r failed, stderr: %r' % (script, result.stderr)


@Command('verify_switch_wp')
def VerifyWpSwitch(options):
  """Verify hardware write protection switch is enabled."""
  if Shell('crossystem wpsw_cur').stdout.strip() != '1':
    raise Error, 'write protection switch is disabled'


@Command('verify_switch_dev')
def VerifyDevSwitch(options):
  """Verify developer switch is disabled."""
  result = Shell('crossystem devsw_cur')
  if result.success:
    if result.stdout.strip() != '0':
      raise Error, 'developer mode is enabled'
    else:
      return
  # devsw_cur is not available -- probably a device using keyboard-based
  # developer/recovery mode.  That will be handled in prepare_wipe.sh by
  # setting "crossystem disable_dev_request=1" -- although we can't verify that
  # until next reboot, because the real values are stored in TPM.
  logging.warn('VerifyDevSwitch: No physical switch.')
  _event_log.Log('switch_dev', type='virtual switch')


@Command('write_protect')
def EnableFwWp(options):
  """Enable then verify firmware write protection."""

  def WriteProtect(fw_file_path, fw_type, section):
    """Calculate protection size, then invoke flashrom.

    Our supported chips only allow write protecting half their total
    size, so we parition the flash chipset space accordingly.
    """
    raw_image = open(fw_file_path, 'rb').read()
    image = crosfw.FirmwareImage(raw_image)
    if not image.has_section(section):
      raise Error('could not find %s firmware section %s' % (fw_type, section))
    section_data = image.get_section_area(section)
    protectable_size = len(raw_image) / 2
    ro_a = int(section_data[0] / protectable_size)
    ro_b = int((section_data[0] + section_data[1] - 1) / protectable_size)
    if ro_a != ro_b:
      raise Error("%s firmware section %s has illegal size" %
                  (fw_type, section))
    ro_offset = ro_a * protectable_size
    logging.debug('write protecting %s', fw_type)
    crosfw.Flashrom(fw_type).EnableWriteProtection(ro_offset, protectable_size)

  WriteProtect(crosfw.LoadMainFirmware().GetFileName(), 'main', 'RO_SECTION')
  _event_log.Log('wp', fw='main')
  ec_fw_file = crosfw.LoadEcFirmware().GetFileName()
  if ec_fw_file is not None:
    # TODO(hungte) Support WP_RO if that section exist.
    WriteProtect(ec_fw_file, 'ec', 'EC_RO')
    _event_log.Log('wp', fw='ec')
  else:
    logging.warning('EC not write protected (seems there is no EC flash).')


@Command('clear_gbb_flags')
def ClearGbbFlags(options):
  """Zero out the GBB flags, in preparation for transition to release state.

  No GBB flags are set in release/shipping state, but they are useful
  for factory/development.  See "gbb_utility --flags" for details.
  """
  script = FindScript('clear_gbb_flags.sh')
  result = Shell(script)
  if not result.success:
    raise Error, '%r failed, stderr: %r' % (script, result.stderr)
  _event_log.Log('clear_gbb_flags')


@Command('prepare_wipe',
         CmdArg('--fast', action='store_true',
                help='use non-secure but faster wipe method.'))
def PrepareWipe(options):
  """Prepare system for transition to release state in next reboot."""
  script = FindScript('prepare_wipe.sh')
  tag = 'fast' if options.fast else ''
  rootfs_device = GetReleaseRootPartitionPath()
  result = Shell('FACTORY_WIPE_TAGS=%s %s %s' % (tag, script, rootfs_device))
  if not result.success:
    raise Error, '%r failed, stderr: %r' % (script, result.stderr)


@Command('verify',
         CmdArg('--no_write_protect', action='store_true',
                help='Do not check write protection switch state.'),
         _hwdb_path_cmd_arg)
def Verify(options):
  """Verifies if whole factory process is ready for finalization.

  This routine performs all the necessary checks to make sure the
  device is ready to be finalized, but does not modify state.  These
  checks include dev switch, firmware write protection switch, hwid,
  system time, keys, and root file system.
  """
  if not options.no_write_protect:
    VerifyWpSwitch({})
  VerifyDevSwitch({})
  VerifyHwid(options)
  VerifySystemTime({})
  VerifyKeys({})
  VerifyRootFs({})


@Command('log_system_details')
def LogSystemDetails(options):
  """Write miscellaneous system details to the event log."""
  raw_cs_data = Shell('crossystem').stdout.strip().splitlines()
  # The crossytem output contains many lines like:
  # 'key = value  # description'
  # Use regexps to pull out the key-value pairs and build a dict.
  cs_data = dict((k, v.strip()) for k, v in
                 map(lambda x: re.findall(r'\A(\S+)\s+=\s+(.*)#.*\Z', x)[0],
                     raw_cs_data))
  _event_log.Log(
      'system_details',
      platform_name=Shell('mosys platform name').stdout.strip(),
      crossystem=cs_data,
      modem_status=Shell('modem status').stdout.splitlines(),
      ec_wp_status=Shell(
          'flashrom -p internal:bus=lpc --get-size 2>/dev/null && '
          'flashrom -p internal:bus=lpc --wp-status || '
          'echo "EC is not available."').stdout,
      bios_wp_status = Shell(
          'flashrom -p internal:bus=spi --wp-status').stdout)


_upload_method_cmd_arg = CmdArg(
    '--upload_method', metavar='METHOD:PARAM',
    help=('How to perform the upload.  METHOD should be one of '
          '{ftp, shopfloor, curl, cpfe, custom}.'))


@Command('upload_report',
         _upload_method_cmd_arg)
def UploadReport(options):
  """Create and a report containing key device details."""
  def NormalizeAsFileName(token):
    return re.sub(r'\W+', '', token).strip()
  ro_vpd = ReadRoVpd(crosfw.LoadMainFirmware().GetFileName())
  device_sn = ro_vpd.get('serial_number', None)
  if device_sn is None:
    logging.warning('RO_VPD missing device serial number')
    device_sn = 'MISSING_SN_' + TimedUuid()
  target_name = '%s_%s.tbz2' % (time.strftime('%Y%m%dT%H%M%SZ', time.gmtime()),
                                NormalizeAsFileName(device_sn))
  target_path = os.path.join(gettempdir(), target_name)
  # Intentionally ignoring dotfiles in EVENT_LOG_DIR.
  tar_cmd = 'cd %s ; tar cjf %s *' % (EVENT_LOG_DIR, target_path)
  tar_cmd += ' --add-file %s' % FACTORY_LOG_PATH
  cmd_result = Shell(tar_cmd)
  if not cmd_result.success:
    raise Error('unable to tar event logs, cmd %r failed, stderr: %r' %
                (tar_cmd, cmd_result.stderr))
  if options.upload_method is None or options.upload_method == 'none':
    logging.warning('REPORT UPLOAD SKIPPED (report left at %s)', target_path)
    return
  method, param = options.upload_method.split(':', 1)
  if method == 'shopfloor':
    report_upload.ShopFloorUpload(target_path, param)
  elif method == 'ftp':
    report_upload.FtpUpload(target_path, 'ftp:' + param)
  elif method == 'ftps':
    report_upload.CurlUrlUpload(target_path, '--ftp-ssl-reqd ftp:%s' % param)
  elif method == 'cpfe':
    report_upload.CpfeUpload(target_path, param)
  else:
    raise Error('unknown report upload method %r', method)


@Command('finalize',
         CmdArg('--no_write_protect', action='store_true',
                help='Do not enable firmware write protection.'),
         CmdArg('--fast', action='store_true',
                help='use non-secure but faster wipe method.'),
         _hwdb_path_cmd_arg,
         _upload_method_cmd_arg)
def Finalize(options):
  """Verify system readiness and trigger transition into release state.

  This routine first verifies system state (see verify command), modifies
  firmware bitmaps to match locale, and then clears all of the factory-friendly
  flags from the GBB.  If everything is fine, it enables firmware write
  protection (cannot rollback after this stage), uploads system logs & reports,
  and sets the necessary boot flags to cause wipe of the factory image on the
  next boot.
  """
  Verify(options)
  SetFirmwareBitmapLocale({})
  ClearGbbFlags({})
  if options.no_write_protect:
    logging.warn('WARNING: Firmware Write Protection is SKIPPED.')
    _event_log.Log('wp', fw='both', status='skipped')
  else:
    EnableFwWp({})
  LogSystemDetails(options)
  UploadReport(options)
  PrepareWipe(options)


def Main():
  """Run sub-command specified by the command line args."""
  options = ParseCmdline(
      'Perform Google required factory tests.',
      CmdArg('-l', '--log', metavar='PATH',
             help='Write logs to this file.'),
      verbosity_cmd_arg)
  SetupLogging(options.verbosity, options.log)
  logging.debug('gooftool options: %s', repr(options))
  try:
    logging.debug('GOOFTOOL command %r', options.command_name)
    options.command(options)
    logging.info('GOOFTOOL command %r SUCCESS', options.command_name)
  except Error, e:
    logging.exception(e)
    sys.exit('GOOFTOOL command %r ERROR: %s' % (options.command_name, e))
  except Exception, e:
    logging.exception(e)
    sys.exit('UNCAUGHT RUNTIME EXCEPTION %s' % e)


if __name__ == '__main__':
  Main()