305 lines
10 KiB
Python
305 lines
10 KiB
Python
#
|
|
# Common code for unattended installations
|
|
#
|
|
# Copyright 2019 Red Hat, Inc.
|
|
#
|
|
# This work is licensed under the GNU GPLv2 or later.
|
|
# See the COPYING file in the top-level directory.
|
|
|
|
import getpass
|
|
import locale
|
|
import logging
|
|
import os
|
|
import pwd
|
|
import tempfile
|
|
|
|
from gi.repository import Libosinfo
|
|
|
|
|
|
def _make_installconfig(script, osobj, unattended_data, arch, hostname, url):
|
|
"""
|
|
Build a Libosinfo.InstallConfig instance
|
|
"""
|
|
def get_timezone():
|
|
TZ_FILE = "/etc/localtime"
|
|
linkpath = os.path.realpath(TZ_FILE)
|
|
tokens = linkpath.split("zoneinfo/")
|
|
if len(tokens) > 1:
|
|
return tokens[1]
|
|
|
|
def get_language():
|
|
return locale.getlocale()[0]
|
|
|
|
config = Libosinfo.InstallConfig()
|
|
|
|
# Set user login and name based on the one from the system
|
|
config.set_user_login(getpass.getuser())
|
|
config.set_user_realname(pwd.getpwnam(getpass.getuser()).pw_gecos)
|
|
|
|
# Set user-password.
|
|
# In case it's required and not passed, just raise a RuntimeError.
|
|
if script.requires_user_password() and not unattended_data.user_password:
|
|
raise RuntimeError(
|
|
_("%s requires the user-password to be set.") %
|
|
osobj.name)
|
|
config.set_user_password(
|
|
unattended_data.user_password if unattended_data.user_password
|
|
else "")
|
|
|
|
# Set the admin-password:
|
|
# In case it's required and not passed, just raise a RuntimeError.
|
|
if script.requires_admin_password() and not unattended_data.admin_password:
|
|
raise RuntimeError(
|
|
_("%s requires the admin-password to be set.") %
|
|
osobj.name)
|
|
config.set_admin_password(
|
|
unattended_data.admin_password if unattended_data.admin_password
|
|
else "")
|
|
|
|
# Set the target disk.
|
|
# virtiodisk is the preferred way, in case it's supported, otherwise
|
|
# just fallback to scsi.
|
|
#
|
|
# Note: this is linux specific and will require some changes whenever
|
|
# support for Windows will be added.
|
|
tgt = "/dev/vda" if osobj.supports_virtiodisk() else "/dev/sda"
|
|
if osobj.is_windows():
|
|
tgt = "C"
|
|
config.set_target_disk(tgt)
|
|
|
|
# Set hardware architecture and hostname
|
|
config.set_hardware_arch(arch)
|
|
config.set_hostname(hostname)
|
|
|
|
# Try to guess the timezone from '/etc/localtime', in case it's not
|
|
# possible 'America/New_York' will be used.
|
|
timezone = get_timezone()
|
|
if timezone:
|
|
config.set_l10n_timezone(timezone)
|
|
|
|
# Try to guess to language and keyboard layout from the system's
|
|
# language.
|
|
#
|
|
# This method has flaws as it's quite common to have language and
|
|
# keyboard layout not matching. Otherwise, there's no easy way to guess
|
|
# the keyboard layout without relying on a set of APIs of an specific
|
|
# Desktop Environment.
|
|
language = get_language()
|
|
if language:
|
|
config.set_l10n_language(language)
|
|
config.set_l10n_keyboard(language)
|
|
|
|
if url:
|
|
config.set_installation_url(url) # pylint: disable=no-member
|
|
|
|
if unattended_data.product_key:
|
|
config.set_reg_product_key(unattended_data.product_key)
|
|
|
|
logging.debug("InstallScriptConfig created with the following params:")
|
|
logging.debug("username: %s", config.get_user_login())
|
|
logging.debug("realname: %s", config.get_user_realname())
|
|
logging.debug("user password: %s", config.get_user_password())
|
|
logging.debug("admin password: %s", config.get_admin_password())
|
|
logging.debug("target disk: %s", config.get_target_disk())
|
|
logging.debug("hardware arch: %s", config.get_hardware_arch())
|
|
logging.debug("hostname: %s", config.get_hostname())
|
|
logging.debug("timezone: %s", config.get_l10n_timezone())
|
|
logging.debug("language: %s", config.get_l10n_language())
|
|
logging.debug("keyboard: %s", config.get_l10n_keyboard())
|
|
logging.debug("url: %s",
|
|
config.get_installation_url()) # pylint: disable=no-member
|
|
logging.debug("product-key: %s", config.get_reg_product_key())
|
|
|
|
return config
|
|
|
|
|
|
class OSInstallScript:
|
|
"""
|
|
Wrapper for Libosinfo.InstallScript interactions
|
|
"""
|
|
@staticmethod
|
|
def have_new_libosinfo():
|
|
from .osdict import OSDB
|
|
|
|
win7 = OSDB.lookup_os("win7")
|
|
for script in win7.get_install_script_list():
|
|
if (Libosinfo.InstallScriptInjectionMethod.CDROM &
|
|
script.get_injection_methods()):
|
|
return True
|
|
return False # pragma: no cover
|
|
|
|
def __init__(self, script, osobj):
|
|
self._script = script
|
|
self._osobj = osobj
|
|
self._config = None
|
|
|
|
if not OSInstallScript.have_new_libosinfo(): # pragma: no cover
|
|
raise RuntimeError(_("libosinfo or osinfo-db is too old to "
|
|
"support unattended installs."))
|
|
|
|
def get_expected_filename(self):
|
|
return self._script.get_expected_filename()
|
|
|
|
def set_preferred_injection_method(self, namestr):
|
|
# If we ever make this user configurable, this will need to be smarter
|
|
names = {
|
|
"cdrom": Libosinfo.InstallScriptInjectionMethod.CDROM,
|
|
"initrd": Libosinfo.InstallScriptInjectionMethod.INITRD,
|
|
}
|
|
|
|
logging.debug("Using '%s' injection method", namestr)
|
|
injection_method = names[namestr]
|
|
supported_injection_methods = self._script.get_injection_methods()
|
|
if (injection_method & supported_injection_methods == 0):
|
|
raise RuntimeError(
|
|
_("OS '%s' does not support required injection method '%s'") %
|
|
(self._osobj.name, namestr))
|
|
|
|
self._script.set_preferred_injection_method(injection_method)
|
|
|
|
def set_installation_source(self, namestr):
|
|
# If we ever make this user configurable, this will need to be smarter
|
|
names = {
|
|
"media": Libosinfo.InstallScriptInstallationSource.MEDIA,
|
|
"network": Libosinfo.InstallScriptInstallationSource.NETWORK,
|
|
}
|
|
|
|
logging.debug("Using '%s' installation source", namestr)
|
|
self._script.set_installation_source(names[namestr])
|
|
|
|
def _requires_param(self, config_param):
|
|
param = self._script.get_config_param(config_param)
|
|
return bool(param and not param.is_optional())
|
|
|
|
def requires_user_password(self):
|
|
return self._requires_param(
|
|
Libosinfo.INSTALL_CONFIG_PROP_USER_PASSWORD)
|
|
def requires_admin_password(self):
|
|
return self._requires_param(
|
|
Libosinfo.INSTALL_CONFIG_PROP_ADMIN_PASSWORD)
|
|
|
|
def set_config(self, config):
|
|
self._config = config
|
|
|
|
def generate(self):
|
|
return self._script.generate(self._osobj.get_handle(), self._config)
|
|
|
|
def generate_cmdline(self):
|
|
return self._script.generate_command_line(
|
|
self._osobj.get_handle(), self._config)
|
|
|
|
def write(self):
|
|
fileobj = tempfile.NamedTemporaryFile(
|
|
prefix="virtinst-unattended-script", delete=False)
|
|
scriptpath = fileobj.name
|
|
|
|
content = self.generate()
|
|
open(scriptpath, "w").write(content)
|
|
|
|
logging.debug("Generated unattended script: %s", scriptpath)
|
|
logging.debug("Generated script contents:\n%s", content)
|
|
|
|
return scriptpath
|
|
|
|
|
|
class UnattendedData():
|
|
profile = None
|
|
admin_password = None
|
|
user_password = None
|
|
product_key = None
|
|
|
|
|
|
def _make_scriptmap(script_list):
|
|
"""
|
|
Generate a mapping of profile name -> [list, of, rawscripts]
|
|
"""
|
|
script_map = {}
|
|
for script in script_list:
|
|
profile = script.get_profile()
|
|
if profile not in script_map:
|
|
script_map[profile] = []
|
|
script_map[profile].append(script)
|
|
return script_map
|
|
|
|
|
|
def _find_default_profile(profile_names):
|
|
profile_prefs = ["desktop"]
|
|
found = None
|
|
for p in profile_prefs:
|
|
if p in profile_names:
|
|
found = p
|
|
break
|
|
return found or profile_names[0]
|
|
|
|
|
|
def _lookup_rawscript(osinfo, profile, os_media):
|
|
script_list = []
|
|
|
|
if os_media:
|
|
if not os_media.supports_installer_script():
|
|
# This is a specific annotation for media like livecds that
|
|
# don't support unattended installs
|
|
raise RuntimeError(
|
|
_("OS '%s' media does not support unattended "
|
|
"installation") % (osinfo.name))
|
|
|
|
# In case we're dealing with a media installation, let's try to get
|
|
# the installer scripts from the media, in case any is set.
|
|
script_list = os_media.get_install_script_list()
|
|
|
|
if not script_list:
|
|
script_list = osinfo.get_install_script_list()
|
|
if not script_list:
|
|
raise RuntimeError(
|
|
_("OS '%s' does not support unattended installation.") %
|
|
osinfo.name)
|
|
|
|
script_map = _make_scriptmap(script_list)
|
|
profile_names = list(sorted(script_map.keys()))
|
|
if profile:
|
|
rawscripts = script_map.get(profile, [])
|
|
if not rawscripts:
|
|
raise RuntimeError(
|
|
_("OS '%s' does not support unattended installation for "
|
|
"the '%s' profile. Available profiles: %s") %
|
|
(osinfo.name, profile, ", ".join(profile_names)))
|
|
else:
|
|
profile = _find_default_profile(profile_names)
|
|
logging.warning(_("Using unattended profile '%s'"), profile)
|
|
rawscripts = script_map[profile]
|
|
|
|
# Some OSes (as Windows) have more than one installer script,
|
|
# depending on the OS version and profile chosen, to be used to
|
|
# perform the unattended installation. Let's just deal with
|
|
# multiple installer scripts when its actually needed, though.
|
|
usescript = rawscripts[0]
|
|
logging.debug("Install script found for profile '%s': %s",
|
|
profile, usescript.get_id())
|
|
return usescript
|
|
|
|
|
|
def prepare_install_script(guest, unattended_data,
|
|
url, os_media, injection_method):
|
|
def _get_installation_source(os_media):
|
|
# This is ugly, but that's only the current way to deal with
|
|
# netinstall medias.
|
|
if not os_media:
|
|
return "network"
|
|
if os_media.is_netinst():
|
|
return "network"
|
|
return "media"
|
|
|
|
rawscript = _lookup_rawscript(guest.osinfo,
|
|
unattended_data.profile, os_media)
|
|
script = OSInstallScript(rawscript, guest.osinfo)
|
|
|
|
script.set_preferred_injection_method(injection_method)
|
|
|
|
installationsource = _get_installation_source(os_media)
|
|
script.set_installation_source(installationsource)
|
|
|
|
config = _make_installconfig(script, guest.osinfo, unattended_data,
|
|
guest.os.arch, guest.name, url)
|
|
script.set_config(config)
|
|
return script
|