448 lines
13 KiB
Python
448 lines
13 KiB
Python
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#
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# platform.py: Architecture-specific information
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#
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# Copyright (C) 2009-2011
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# Red Hat, Inc. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# Authors: Chris Lumens <clumens@redhat.com>
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#
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from blivet import arch
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from blivet.devicelibs import raid
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from blivet.size import Size
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from pyanaconda.anaconda_loggers import get_module_logger
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from pyanaconda.core.i18n import _, N_
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from pyanaconda.modules.storage.partitioning.specification import PartSpec
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log = get_module_logger(__name__)
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# Names of stage1 constrains.
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PLATFORM_DEVICE_TYPES = "device_types"
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PLATFORM_FORMAT_TYPES = "format_types"
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PLATFORM_MOUNT_POINTS = "mountpoints"
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PLATFORM_MAX_END = "max_end"
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PLATFORM_RAID_LEVELS = "raid_levels"
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PLATFORM_RAID_METADATA = "raid_metadata"
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# Descriptions of stage1 bootloader devices.
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PARTITION_DESCRIPTION = N_("First sector of boot partition")
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RAID_DESCRIPTION = N_("RAID Device")
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MBR_DESCRIPTION = N_("Master Boot Record")
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EFI_DESCRIPTION = N_("EFI System Partition")
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PREP_BOOT_DESCRIPTION = N_("PReP Boot Partition")
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APPLE_BOOTSTRAP_DESCRIPTION = N_("Apple Bootstrap Partition")
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DASD_DESCRIPTION = N_("DASD")
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ZFCP_DESCRIPTION = N_("zFCP")
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class Platform(object):
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"""A base class for a platform.
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A class containing platform-specific information and methods for use
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during installation. The intent is to eventually encapsulate all the
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architecture quirks in one place to avoid lots of platform checks
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throughout anaconda.
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"""
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@property
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def packages(self):
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"""Packages required for this platform.
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:return: a list of package names
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"""
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return []
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@property
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def non_linux_format_types(self):
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"""Format types of devices with non-linux operating systems."""
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return []
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@property
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def stage1_suggestion(self):
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"""The platform-specific suggestion about the stage1 device.
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:return: a string
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"""
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return _("You must include at least one disk as an install target.")
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@property
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def stage1_descriptions(self):
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"""The platform-specific descriptions of the stage1 device.
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:return: a dictionary of device types and their descriptions
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"""
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return {}
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@property
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def stage1_constraints(self):
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"""The platform-specific constraints for the stage1 device.
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:return: a dictionary of constraints
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"""
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return {
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PLATFORM_DEVICE_TYPES: [],
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PLATFORM_FORMAT_TYPES: [],
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PLATFORM_MOUNT_POINTS: [],
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PLATFORM_MAX_END: None,
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PLATFORM_RAID_LEVELS: [],
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PLATFORM_RAID_METADATA: [],
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}
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@property
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def partitions(self):
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"""The default platform-specific partitions.
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:return: a list of specifications
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"""
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partitions = [
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self._bootloader_partition,
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self._boot_partition
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]
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return list(filter(None, partitions))
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@property
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def _bootloader_partition(self):
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"""The default bootloader partition for this platform.
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Return the required platform-specific bootloader partition
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information. These are typically partitions that do not get
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mounted, like biosboot or prepboot, but may also include
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the /boot/efi partition.
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:return: a specification or None
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"""
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return None
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@property
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def _boot_partition(self):
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"""The default /boot partition for this platform.
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:return: a specification or None
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"""
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return PartSpec(
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mountpoint="/boot",
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size=Size("1GiB")
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)
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class X86(Platform):
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@property
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def non_linux_format_types(self):
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"""Format types of devices with non-linux operating systems."""
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# XXX hpfs, if reported by blkid/udev, will end up with a type of None
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return ["vfat", "ntfs", "hpfs"]
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@property
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def stage1_suggestion(self):
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"""The platform-specific suggestion about the stage1 device."""
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return _(
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"You must include at least one MBR- or "
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"GPT-formatted disk as an install target."
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)
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@property
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def stage1_descriptions(self):
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"""The platform-specific descriptions of the stage1 device."""
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return {
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"disk": _(MBR_DESCRIPTION),
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"partition": _(PARTITION_DESCRIPTION),
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"mdarray": _(RAID_DESCRIPTION)
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}
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@property
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def stage1_constraints(self):
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"""The platform-specific constraints for the stage1 device."""
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constraints = {
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PLATFORM_DEVICE_TYPES: ["disk"]
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}
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return dict(super().stage1_constraints, **constraints)
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@property
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def _bootloader_partition(self):
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"""The default bootloader partition for this platform."""
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return PartSpec(
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fstype="biosboot",
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size=Size("1MiB")
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)
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class EFI(Platform):
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@property
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def non_linux_format_types(self):
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"""Format types of devices with non-linux operating systems."""
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# XXX hpfs, if reported by blkid/udev, will end up with a type of None
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return ["vfat", "ntfs", "hpfs"]
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@property
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def stage1_suggestion(self):
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"""The platform-specific suggestion about the stage1 device."""
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return _(
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"For a UEFI installation, you must include "
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"an EFI System Partition on a GPT-formatted "
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"disk, mounted at /boot/efi."
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)
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@property
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def stage1_descriptions(self):
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"""The platform-specific descriptions of the stage1 device."""
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return {
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"partition": _(EFI_DESCRIPTION),
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"mdarray": _(RAID_DESCRIPTION)
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}
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@property
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def stage1_constraints(self):
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"""The platform-specific constraints for the stage1 device."""
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constraints = {
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PLATFORM_FORMAT_TYPES: ["efi"],
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PLATFORM_DEVICE_TYPES: ["partition", "mdarray"],
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PLATFORM_MOUNT_POINTS: ["/boot/efi"],
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PLATFORM_RAID_LEVELS: [raid.RAID1],
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PLATFORM_RAID_METADATA: ["1.0"],
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}
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return dict(super().stage1_constraints, **constraints)
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@property
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def _bootloader_partition(self):
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"""The default bootloader partition for this platform."""
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return PartSpec(
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mountpoint="/boot/efi",
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fstype="efi",
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size=Size("500MiB"),
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max_size=Size("600MiB"),
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grow=True
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)
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class Aarch64EFI(EFI):
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@property
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def non_linux_format_types(self):
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"""Format types of devices with non-linux operating systems."""
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return ["vfat", "ntfs"]
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class ArmEFI(EFI):
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@property
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def non_linux_format_types(self):
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"""Format types of devices with non-linux operating systems."""
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return ["vfat", "ntfs"]
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class PPC(Platform):
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@property
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def stage1_constraints(self):
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"""The platform-specific constraints for the stage1 device."""
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constraints = {
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PLATFORM_DEVICE_TYPES: ["partition"]
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}
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return dict(super().stage1_constraints, **constraints)
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class IPSeriesPPC(PPC):
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@property
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def stage1_suggestion(self):
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"""The platform-specific suggestion about the stage1 device."""
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return _(
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"You must include a PReP Boot Partition "
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"within the first 4GiB of an MBR- "
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"or GPT-formatted disk."
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)
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@property
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def stage1_descriptions(self):
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"""The platform-specific descriptions of the stage1 device."""
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return {"partition": _(PREP_BOOT_DESCRIPTION)}
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@property
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def stage1_constraints(self):
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"""The platform-specific constraints for the stage1 device."""
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constraints = {
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PLATFORM_FORMAT_TYPES: ["prepboot"],
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PLATFORM_MAX_END: Size("4 GiB")
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}
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return dict(super().stage1_constraints, **constraints)
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@property
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def _bootloader_partition(self):
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"""The default bootloader partition for this platform."""
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return PartSpec(
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fstype="prepboot",
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size=Size("4MiB")
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)
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class NewWorldPPC(PPC):
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@property
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def non_linux_format_types(self):
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"""Format types of devices with non-linux operating systems."""
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return ["hfs", "hfs+"]
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@property
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def stage1_suggestion(self):
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"""The platform-specific suggestion about the stage1 device."""
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return _(
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"You must include an Apple Bootstrap "
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"Partition on an Apple Partition Map-"
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"formatted disk."
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)
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@property
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def stage1_descriptions(self):
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"""The platform-specific descriptions of the stage1 device."""
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return {"partition": _(APPLE_BOOTSTRAP_DESCRIPTION)}
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@property
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def stage1_constraints(self):
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"""The platform-specific constraints for the stage1 device."""
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constraints = {
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PLATFORM_FORMAT_TYPES: ["appleboot"]
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}
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return dict(super().stage1_constraints, **constraints)
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@property
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def _bootloader_partition(self):
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"""The default bootloader partition for this platform."""
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return PartSpec(
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fstype="appleboot",
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size=Size("1MiB")
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)
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class PowerNV(PPC):
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@property
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def stage1_suggestion(self):
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"""The platform-specific suggestion about the stage1 device."""
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return _("You must include at least one disk as an install target.")
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@property
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def stage1_descriptions(self):
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"""The platform-specific descriptions of the stage1 device."""
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return {"partition": _(PARTITION_DESCRIPTION)}
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class PS3(PPC):
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pass
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class S390(Platform):
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@property
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def stage1_suggestion(self):
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"""The platform-specific suggestion about the stage1 device."""
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return _(
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"You must include at least one MBR- or "
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"DASD-formatted disk as an install target."
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)
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@property
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def stage1_descriptions(self):
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"""The platform-specific descriptions of the stage1 device."""
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return {
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"dasd": _(DASD_DESCRIPTION),
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"zfcp": _(ZFCP_DESCRIPTION),
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"disk": _(MBR_DESCRIPTION),
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"partition": _(PARTITION_DESCRIPTION)
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}
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@property
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def stage1_constraints(self):
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"""The platform-specific constraints for the stage1 device."""
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constraints = {
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PLATFORM_DEVICE_TYPES: ["disk", "partition"]
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}
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return dict(super().stage1_constraints, **constraints)
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@property
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def _boot_partition(self):
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"""The default /boot partition for this platform."""
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return PartSpec(
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mountpoint="/boot",
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size=Size("1GiB"),
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lv=False
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)
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class ARM(Platform):
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@property
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def stage1_suggestion(self):
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"""The platform-specific suggestion about the stage1 device."""
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return _(
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"You must include at least one MBR-formatted "
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"disk as an install target."
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)
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@property
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def stage1_descriptions(self):
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"""The platform-specific descriptions of the stage1 device."""
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return {
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"disk": _(MBR_DESCRIPTION),
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"partition": _(PARTITION_DESCRIPTION)
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}
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@property
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def stage1_constraints(self):
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"""The platform-specific constraints for the stage1 device."""
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constraints = {
|
||
|
|
PLATFORM_DEVICE_TYPES: ["disk"]
|
||
|
|
}
|
||
|
|
return dict(super().stage1_constraints, **constraints)
|
||
|
|
|
||
|
|
|
||
|
|
def get_platform():
|
||
|
|
"""Check the architecture of the system and return an instance of a
|
||
|
|
Platform subclass to match. If the architecture could not be determined,
|
||
|
|
raise an exception."""
|
||
|
|
if arch.is_ppc():
|
||
|
|
ppc_machine = arch.get_ppc_machine()
|
||
|
|
|
||
|
|
if ppc_machine == "PMac" and arch.get_ppc_mac_gen() == "NewWorld":
|
||
|
|
return NewWorldPPC()
|
||
|
|
elif ppc_machine in ["iSeries", "pSeries"]:
|
||
|
|
return IPSeriesPPC()
|
||
|
|
elif ppc_machine == "PowerNV":
|
||
|
|
return PowerNV()
|
||
|
|
elif ppc_machine == "PS3":
|
||
|
|
return PS3()
|
||
|
|
else:
|
||
|
|
raise SystemError("Unsupported PPC machine type: %s" % ppc_machine)
|
||
|
|
elif arch.is_s390():
|
||
|
|
return S390()
|
||
|
|
elif arch.is_efi():
|
||
|
|
if arch.is_aarch64():
|
||
|
|
return Aarch64EFI()
|
||
|
|
elif arch.is_arm():
|
||
|
|
return ArmEFI()
|
||
|
|
else:
|
||
|
|
return EFI()
|
||
|
|
elif arch.is_x86():
|
||
|
|
return X86()
|
||
|
|
elif arch.is_arm():
|
||
|
|
return ARM()
|
||
|
|
else:
|
||
|
|
raise SystemError("Could not determine system architecture.")
|
||
|
|
|
||
|
|
|
||
|
|
platform = get_platform()
|