class StartOSInstallRunner(object):
'''Handles running startosinstall to set up and kick off an upgrade install
of macOS'''
def __init__(self, installer, finishing_tasks=None, installinfo=None):
self.installer = installer
self.installinfo = installinfo
self.finishing_tasks = finishing_tasks
self.dmg_mountpoint = None
self.got_sigusr1 = False
def sigusr1_handler(self, dummy_signum, dummy_frame):
'''Signal handler for SIGUSR1 from startosinstall, which tells us it's
done setting up the macOS install and is ready and waiting to reboot'''
display.display_debug1('Got SIGUSR1 from startosinstall')
self.got_sigusr1 = True
# do cleanup, record-keeping, notifications
if self.installinfo and 'postinstall_script' in self.installinfo:
# run the postinstall_script
dummy_retcode = scriptutils.run_embedded_script(
'postinstall_script', self.installinfo)
if self.finishing_tasks:
self.finishing_tasks()
# set Munki to run at boot after the OS upgrade is complete
try:
bootstrapping.set_bootstrap_mode()
except bootstrapping.SetupError, err:
display.display_error(
'Could not set up Munki to run after OS upgrade is complete: '
'%s', err)
if pkgutils.hasValidDiskImageExt(self.installer):
# remove the diskimage to free up more space for the actual install
try:
os.unlink(self.installer)
except (IOError, OSError):
pass
# ask authrestartd if we can do an auth restart, or look for a recovery
# key (via munkilib.authrestart methods)
if (authrestartd.verify_can_attempt_auth_restart()
or authrestart.can_attempt_auth_restart()):
#
# set a secret preference to tell the osinstaller process to exit
# instead of restart
# this is the equivalent of:
# `defaults write /Library/Preferences/.GlobalPreferences
# IAQuitInsteadOfReboot -bool YES`
#
# This preference is referred to in a framework inside the
# Install macOS.app:
# Contents/Frameworks/OSInstallerSetup.framework/Versions/A/
# Frameworks/OSInstallerSetupInternal.framework/Versions/A/
# OSInstallerSetupInternal
#
# It might go away in future versions of the macOS installer.
#
CFPreferencesSetValue('IAQuitInsteadOfReboot', True,
'.GlobalPreferences', kCFPreferencesAnyUser,
kCFPreferencesCurrentHost)
# now tell startosinstall it's OK to proceed
subprocess.call(['/usr/bin/killall', '-SIGUSR1', 'startosinstall'])
def setup_authrestart_if_applicable():
'''Sets up the ability to do an authrestart if applicable'''
# ask authrestartd if we can do an auth restart, or look for a recovery
# key (via munkilib.authrestart methods)
if (authrestartd.verify_can_attempt_auth_restart()
or authrestart.can_attempt_auth_restart()):
display.display_info(
'FileVault is active and we can do an authrestart')
#os_version_tuple = osutils.getOsVersion(as_tuple=True)
if False: # was: os_version_tuple >= (10, 12):
# setup delayed auth restart so that when startosinstall does a
# restart, it completes without user credentials
display.display_info('Setting up delayed authrestart...')
authrestartd.setup_delayed_authrestart()
# make sure the special secret InstallAssistant preference is not
# set
CFPreferencesSetValue('IAQuitInsteadOfReboot', None,
'.GlobalPreferences', kCFPreferencesAnyUser,
kCFPreferencesCurrentHost)
else:
#
# set an undocumented preference to tell the osinstaller
# process to exit instead of restart
# this is the equivalent of:
# `defaults write /Library/Preferences/.GlobalPreferences
# IAQuitInsteadOfReboot -bool YES`
#
# This preference is referred to in a framework inside the
# Install macOS.app:
# Contents/Frameworks/OSInstallerSetup.framework/Versions/A/
# Frameworks/OSInstallerSetupInternal.framework/Versions/A/
# OSInstallerSetupInternal
#
# It might go away in future versions of the macOS installer.
# (but it's still there in the macOS 12.0.1 installer!)
#
display.display_info(
'Configuring startosinstall to quit instead of restart...')
CFPreferencesSetValue('IAQuitInsteadOfReboot', True,
'.GlobalPreferences', kCFPreferencesAnyUser,
kCFPreferencesCurrentHost)