123 lines
4.4 KiB
Python
123 lines
4.4 KiB
Python
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#
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# Copyright (C) 2019 Red Hat, Inc.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions of
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# the GNU General Public License v.2, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY expressed or implied, including the implied warranties of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details. You should have received a copy of the
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# GNU General Public License along with this program; if not, write to the
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# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
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# source code or documentation are not subject to the GNU General Public
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# License and may only be used or replicated with the express permission of
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# Red Hat, Inc.
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#
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from blivet import blockdev
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from blivet import util as blivet_util, udev, arch
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from blivet.devicelibs import crypto
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from blivet.flags import flags as blivet_flags
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from blivet.formats import get_device_format_class
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from blivet.static_data import luks_data
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from pyanaconda.anaconda_loggers import get_module_logger
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from pyanaconda.anaconda_logging import program_log_lock
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from pyanaconda.core.configuration.anaconda import conf
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__all__ = ["enable_installer_mode"]
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log = get_module_logger(__name__)
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def enable_installer_mode():
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"""Configure Blivet for use by Anaconda."""
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blivet_util.program_log_lock = program_log_lock
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# always enable the debug mode when in the installer mode so that we
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# have more data in the logs for rare cases that are hard to reproduce
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blivet_flags.debug = True
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# We don't want image installs writing backups of the *image* metadata
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# into the *host's* /etc/lvm. This can get real messy on build systems.
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# Same applies to system.devices file that shouldn't be populated with
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# PV names from the system that creates the image
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if conf.target.is_image:
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blivet_flags.lvm_metadata_backup = False
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blivet_flags.lvm_devices_file = False
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# Set the flags.
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blivet_flags.auto_dev_updates = True
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blivet_flags.selinux_reset_fcon = True
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blivet_flags.keep_empty_ext_partitions = False
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blivet_flags.discard_new = True
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blivet_flags.selinux = conf.security.selinux
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blivet_flags.ibft = conf.storage.ibft
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blivet_flags.multipath_friendly_names = conf.storage.multipath_friendly_names
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blivet_flags.allow_imperfect_devices = conf.storage.allow_imperfect_devices
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blivet_flags.btrfs_compression = conf.storage.btrfs_compression
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# Platform class setup depends on flags, re-initialize it.
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_set_default_label_type()
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# Set the minimum required entropy.
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luks_data.min_entropy = crypto.MIN_CREATE_ENTROPY
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# Load plugins.
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if arch.is_s390():
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_load_plugin_s390()
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# Set the device name regexes to ignore.
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udev.ignored_device_names = [
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r'^mtd',
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r'^mmcblk.+boot',
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r'^mmcblk.+rpmb',
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r'^zram',
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r'^ndblk',
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r'^pmem[0-9]+$',
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]
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# We need this so all the /dev/disk/* stuff is set up.
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udev.trigger(subsystem="block", action="change")
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def _set_default_label_type():
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"""Set up the default label type."""
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if not conf.storage.disk_label_type:
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return
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disklabel_class = get_device_format_class("disklabel")
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supported_types = disklabel_class.get_platform_label_types()
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default_type = supported_types[0] if supported_types else None
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requested_type = conf.storage.disk_label_type
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if requested_type == "mbr":
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requested_type = "msdos"
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if requested_type in supported_types:
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disklabel_class.set_default_label_type(requested_type)
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else:
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log.warning(
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"The requested disk label type '%s' is not supported on "
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"this platform. Using the default disk label '%s' instead.",
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conf.storage.disk_label_type, default_type
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)
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def _load_plugin_s390():
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"""Load the s390x plugin."""
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# Don't load the plugin in a dir installation.
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if conf.target.is_directory:
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return
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# Is the plugin loaded? We are done then.
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if "s390" in blockdev.get_available_plugin_names():
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return
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# Otherwise, load the plugin.
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plugin = blockdev.PluginSpec()
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plugin.name = blockdev.Plugin.S390
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plugin.so_name = None
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blockdev.reinit([plugin], reload=False)
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