392 lines
20 KiB
Python
392 lines
20 KiB
Python
import json
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import logging
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import time
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import archinstall
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from archinstall.lib.hardware import hasUEFI
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if archinstall.arguments.get('help'):
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print("See `man archinstall` for help.")
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exit(0)
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# For support reasons, we'll log the disk layout pre installation to match against post-installation layout
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archinstall.log(f"Disk states before installing: {archinstall.disk_layouts()}", level=logging.DEBUG)
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def ask_user_questions():
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"""
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First, we'll ask the user for a bunch of user input.
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Not until we're satisfied with what we want to install
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will we continue with the actual installation steps.
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"""
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if not archinstall.arguments.get('keyboard-language', None):
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while True:
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try:
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archinstall.arguments['keyboard-language'] = archinstall.select_language(archinstall.list_keyboard_languages()).strip()
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break
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except archinstall.RequirementError as err:
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archinstall.log(err, fg="red")
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# Before continuing, set the preferred keyboard layout/language in the current terminal.
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# This will just help the user with the next following questions.
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if len(archinstall.arguments['keyboard-language']):
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archinstall.set_keyboard_language(archinstall.arguments['keyboard-language'])
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# Set which region to download packages from during the installation
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if not archinstall.arguments.get('mirror-region', None):
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while True:
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try:
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archinstall.arguments['mirror-region'] = archinstall.select_mirror_regions(archinstall.list_mirrors())
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break
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except archinstall.RequirementError as e:
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archinstall.log(e, fg="red")
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else:
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selected_region = archinstall.arguments['mirror-region']
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archinstall.arguments['mirror-region'] = {selected_region: archinstall.list_mirrors()[selected_region]}
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# Ask which harddrive/block-device we will install to
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if archinstall.arguments.get('harddrive', None):
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archinstall.arguments['harddrive'] = archinstall.BlockDevice(archinstall.arguments['harddrive'])
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else:
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archinstall.arguments['harddrive'] = archinstall.select_disk(archinstall.all_disks())
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if archinstall.arguments['harddrive'] is None:
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archinstall.arguments['target-mount'] = '/mnt'
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# Perform a quick sanity check on the selected harddrive.
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# 1. Check if it has partitions
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# 3. Check that we support the current partitions
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# 2. If so, ask if we should keep them or wipe everything
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if archinstall.arguments['harddrive'] and archinstall.arguments['harddrive'].has_partitions():
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archinstall.log(f"{archinstall.arguments['harddrive']} contains the following partitions:", fg='yellow')
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# We curate a list pf supported partitions
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# and print those that we don't support.
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partition_mountpoints = {}
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for partition in archinstall.arguments['harddrive']:
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try:
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if partition.filesystem_supported():
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archinstall.log(f" {partition}")
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partition_mountpoints[partition] = None
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except archinstall.UnknownFilesystemFormat as err:
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archinstall.log(f" {partition} (Filesystem not supported)", fg='red')
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# We then ask what to do with the partitions.
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if (option := archinstall.ask_for_disk_layout()) == 'abort':
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archinstall.log("Safely aborting the installation. No changes to the disk or system has been made.")
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exit(1)
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elif option == 'keep-existing':
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archinstall.arguments['harddrive'].keep_partitions = True
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archinstall.log(" ** You will now select which partitions to use by selecting mount points (inside the installation). **")
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archinstall.log(" ** The root would be a simple / and the boot partition /boot (as all paths are relative inside the installation). **")
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mountpoints_set = []
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while True:
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# Select a partition
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# If we provide keys as options, it's better to convert them to list and sort before passing
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mountpoints_list = sorted(list(partition_mountpoints.keys()))
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partition = archinstall.generic_select(mountpoints_list, "Select a partition by number that you want to set a mount-point for (leave blank when done): ")
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if not partition:
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if set(mountpoints_set) & {'/', '/boot'} == {'/', '/boot'}:
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break
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continue
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# Select a mount-point
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mountpoint = input(f"Enter a mount-point for {partition}: ").strip(' ')
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if len(mountpoint):
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# Get a valid & supported filesystem for the partition:
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while 1:
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new_filesystem = input(f"Enter a valid filesystem for {partition} (leave blank for {partition.filesystem}): ").strip(' ')
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if len(new_filesystem) <= 0:
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if partition.encrypted and partition.filesystem == 'crypto_LUKS':
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old_password = archinstall.arguments.get('!encryption-password', None)
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if not old_password:
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old_password = input(f'Enter the old encryption password for {partition}: ')
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if (autodetected_filesystem := partition.detect_inner_filesystem(old_password)):
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new_filesystem = autodetected_filesystem
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else:
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archinstall.log("Could not auto-detect the filesystem inside the encrypted volume.", fg='red')
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archinstall.log("A filesystem must be defined for the unlocked encrypted partition.")
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continue
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break
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# Since the potentially new filesystem is new
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# we have to check if we support it. We can do this by formatting /dev/null with the partitions filesystem.
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# There's a nice wrapper for this on the partition object itself that supports a path-override during .format()
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try:
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partition.format(new_filesystem, path='/dev/null', log_formatting=False, allow_formatting=True)
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except archinstall.UnknownFilesystemFormat:
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archinstall.log(f"Selected filesystem is not supported yet. If you want archinstall to support '{new_filesystem}',")
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archinstall.log("please create a issue-ticket suggesting it on github at https://github.com/archlinux/archinstall/issues.")
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archinstall.log("Until then, please enter another supported filesystem.")
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continue
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except archinstall.SysCallError:
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pass # Expected exception since mkfs.<format> can not format /dev/null. But that means our .format() function supported it.
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break
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# When we've selected all three criteria,
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# We can safely mark the partition for formatting and where to mount it.
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# TODO: allow_formatting might be redundant since target_mountpoint should only be
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# set if we actually want to format it anyway.
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mountpoints_set.append(mountpoint)
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partition.allow_formatting = True
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partition.target_mountpoint = mountpoint
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# Only overwrite the filesystem definition if we selected one:
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if len(new_filesystem):
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partition.filesystem = new_filesystem
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archinstall.log('Using existing partition table reported above.')
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elif option == 'format-all':
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if not archinstall.arguments.get('filesystem', None):
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archinstall.arguments['filesystem'] = archinstall.ask_for_main_filesystem_format()
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archinstall.arguments['harddrive'].keep_partitions = False
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elif archinstall.arguments['harddrive']:
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# If the drive doesn't have any partitions, safely mark the disk with keep_partitions = False
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# and ask the user for a root filesystem.
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if not archinstall.arguments.get('filesystem', None):
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archinstall.arguments['filesystem'] = archinstall.ask_for_main_filesystem_format()
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archinstall.arguments['harddrive'].keep_partitions = False
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# Get disk encryption password (or skip if blank)
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if archinstall.arguments['harddrive'] and archinstall.arguments.get('!encryption-password', None) is None:
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if passwd := archinstall.get_password(prompt='Enter disk encryption password (leave blank for no encryption): '):
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archinstall.arguments['!encryption-password'] = passwd
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archinstall.arguments['harddrive'].encryption_password = archinstall.arguments['!encryption-password']
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archinstall.arguments["bootloader"] = archinstall.ask_for_bootloader()
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# Get the hostname for the machine
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if not archinstall.arguments.get('hostname', None):
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archinstall.arguments['hostname'] = input('Desired hostname for the installation: ').strip(' ')
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# Ask for a root password (optional, but triggers requirement for super-user if skipped)
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if not archinstall.arguments.get('!root-password', None):
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archinstall.arguments['!root-password'] = archinstall.get_password(prompt='Enter root password (Recommendation: leave blank to leave root disabled): ')
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# Ask for additional users (super-user if root pw was not set)
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archinstall.arguments['users'] = {}
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archinstall.arguments['superusers'] = {}
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if not archinstall.arguments.get('!root-password', None):
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archinstall.arguments['superusers'] = archinstall.ask_for_superuser_account('Create a required super-user with sudo privileges: ', forced=True)
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users, superusers = archinstall.ask_for_additional_users('Enter a username to create a additional user (leave blank to skip & continue): ')
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archinstall.arguments['users'] = users
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archinstall.arguments['superusers'] = {**archinstall.arguments['superusers'], **superusers}
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# Ask for archinstall-specific profiles (such as desktop environments etc)
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if not archinstall.arguments.get('profile', None):
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archinstall.arguments['profile'] = archinstall.select_profile(archinstall.list_profiles(filter_top_level_profiles=True))
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else:
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archinstall.arguments['profile'] = archinstall.list_profiles()[archinstall.arguments['profile']]
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# Check the potentially selected profiles preparations to get early checks if some additional questions are needed.
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if archinstall.arguments['profile'] and archinstall.arguments['profile'].has_prep_function():
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with archinstall.arguments['profile'].load_instructions(namespace=f"{archinstall.arguments['profile'].namespace}.py") as imported:
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if not imported._prep_function():
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archinstall.log(
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' * Profile\'s preparation requirements was not fulfilled.',
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fg='red'
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)
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exit(1)
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# Ask about audio server selection if one is not already set
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if not archinstall.arguments.get('audio', None):
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# only ask for audio server selection on a desktop profile
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if str(archinstall.arguments['profile']) == 'Profile(desktop)':
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archinstall.arguments['audio'] = archinstall.ask_for_audio_selection()
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else:
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# packages installed by a profile may depend on audio and something may get installed anyways, not much we can do about that.
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# we will not try to remove packages post-installation to not have audio, as that may cause multiple issues
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archinstall.arguments['audio'] = None
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# Ask for preferred kernel:
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if not archinstall.arguments.get("kernels", None):
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kernels = ["linux", "linux-lts", "linux-zen", "linux-hardened"]
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archinstall.arguments['kernels'] = archinstall.select_kernel(kernels)
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# Additional packages (with some light weight error handling for invalid package names)
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print("Only packages such as base, base-devel, linux, linux-firmware, efibootmgr and optional profile packages are installed.")
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print("If you desire a web browser, such as firefox or chromium, you may specify it in the following prompt.")
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while True:
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if not archinstall.arguments.get('packages', None):
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archinstall.arguments['packages'] = [package for package in input('Write additional packages to install (space separated, leave blank to skip): ').split(' ') if len(package)]
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if len(archinstall.arguments['packages']):
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# Verify packages that were given
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try:
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archinstall.log("Verifying that additional packages exist (this might take a few seconds)")
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archinstall.validate_package_list(archinstall.arguments['packages'])
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break
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except archinstall.RequirementError as e:
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archinstall.log(e, fg='red')
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archinstall.arguments['packages'] = None # Clear the packages to trigger a new input question
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else:
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# no additional packages were selected, which we'll allow
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break
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# Ask or Call the helper function that asks the user to optionally configure a network.
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if not archinstall.arguments.get('nic', None):
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archinstall.arguments['nic'] = archinstall.ask_to_configure_network()
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if not archinstall.arguments['nic']:
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archinstall.log("No network configuration was selected. Network is going to be unavailable until configured manually!", fg="yellow")
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if not archinstall.arguments.get('timezone', None):
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archinstall.arguments['timezone'] = archinstall.ask_for_a_timezone()
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def perform_installation_steps():
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print()
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print('This is your chosen configuration:')
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archinstall.log("-- Guided template chosen (with below config) --", level=logging.DEBUG)
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archinstall.log(json.dumps(archinstall.arguments, indent=4, sort_keys=True, cls=archinstall.JSON), level=logging.INFO)
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print()
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input('Press Enter to continue.')
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"""
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Issue a final warning before we continue with something un-revertable.
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We mention the drive one last time, and count from 5 to 0.
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"""
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if archinstall.arguments.get('harddrive', None):
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print(f" ! Formatting {archinstall.arguments['harddrive']} in ", end='')
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archinstall.do_countdown()
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"""
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Setup the blockdevice, filesystem (and optionally encryption).
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Once that's done, we'll hand over to perform_installation()
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"""
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mode = archinstall.GPT
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if hasUEFI() is False:
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mode = archinstall.MBR
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with archinstall.Filesystem(archinstall.arguments['harddrive'], mode) as fs:
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# Wipe the entire drive if the disk flag `keep_partitions`is False.
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if archinstall.arguments['harddrive'].keep_partitions is False:
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fs.use_entire_disk(root_filesystem_type=archinstall.arguments.get('filesystem', 'btrfs'))
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# Check if encryption is desired and mark the root partition as encrypted.
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if archinstall.arguments.get('!encryption-password', None):
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root_partition = fs.find_partition('/')
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root_partition.encrypted = True
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# After the disk is ready, iterate the partitions and check
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# which ones are safe to format, and format those.
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for partition in archinstall.arguments['harddrive']:
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if partition.safe_to_format():
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# Partition might be marked as encrypted due to the filesystem type crypt_LUKS
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# But we might have omitted the encryption password question to skip encryption.
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# In which case partition.encrypted will be true, but passwd will be false.
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if partition.encrypted and (passwd := archinstall.arguments.get('!encryption-password', None)):
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partition.encrypt(password=passwd)
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else:
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partition.format()
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else:
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archinstall.log(f"Did not format {partition} because .safe_to_format() returned False or .allow_formatting was False.", level=logging.DEBUG)
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if archinstall.arguments.get('!encryption-password', None):
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# First encrypt and unlock, then format the desired partition inside the encrypted part.
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# archinstall.luks2() encrypts the partition when entering the with context manager, and
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# unlocks the drive so that it can be used as a normal block-device within archinstall.
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with archinstall.luks2(fs.find_partition('/'), 'luksloop', archinstall.arguments.get('!encryption-password', None)) as unlocked_device:
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unlocked_device.format(fs.find_partition('/').filesystem)
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unlocked_device.mount('/mnt')
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else:
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fs.find_partition('/').mount('/mnt')
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if hasUEFI():
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fs.find_partition('/boot').mount('/mnt/boot')
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perform_installation('/mnt')
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def perform_installation(mountpoint):
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"""
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Performs the installation steps on a block device.
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Only requirement is that the block devices are
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formatted and setup prior to entering this function.
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"""
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with archinstall.Installer(mountpoint, kernels=archinstall.arguments.get('kernels', 'linux')) as installation:
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# if len(mirrors):
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# Certain services might be running that affects the system during installation.
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# Currently, only one such service is "reflector.service" which updates /etc/pacman.d/mirrorlist
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# We need to wait for it before we continue since we opted in to use a custom mirror/region.
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installation.log('Waiting for automatic mirror selection (reflector) to complete.', level=logging.INFO)
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while archinstall.service_state('reflector') not in ('dead', 'failed'):
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time.sleep(1)
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# Set mirrors used by pacstrap (outside of installation)
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if archinstall.arguments.get('mirror-region', None):
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archinstall.use_mirrors(archinstall.arguments['mirror-region']) # Set the mirrors for the live medium
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if installation.minimal_installation():
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installation.set_hostname(archinstall.arguments['hostname'])
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if archinstall.arguments['mirror-region'].get("mirrors", None) is not None:
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installation.set_mirrors(archinstall.arguments['mirror-region']) # Set the mirrors in the installation medium
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if archinstall.arguments["bootloader"] == "grub-install" and hasUEFI() == True:
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installation.add_additional_packages("grub")
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installation.set_keyboard_language(archinstall.arguments['keyboard-language'])
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installation.add_bootloader(archinstall.arguments["bootloader"])
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# If user selected to copy the current ISO network configuration
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# Perform a copy of the config
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if archinstall.arguments.get('nic', {}) == 'Copy ISO network configuration to installation':
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installation.copy_ISO_network_config(enable_services=True) # Sources the ISO network configuration to the install medium.
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elif archinstall.arguments.get('nic', {}).get('NetworkManager', False):
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installation.add_additional_packages("networkmanager")
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installation.enable_service('NetworkManager.service')
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# Otherwise, if a interface was selected, configure that interface
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elif archinstall.arguments.get('nic', {}):
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installation.configure_nic(**archinstall.arguments.get('nic', {}))
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installation.enable_service('systemd-networkd')
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installation.enable_service('systemd-resolved')
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if archinstall.arguments.get('audio', None) is not None:
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installation.log(f"This audio server will be used: {archinstall.arguments.get('audio', None)}", level=logging.INFO)
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if archinstall.arguments.get('audio', None) == 'pipewire':
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print('Installing pipewire ...')
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installation.add_additional_packages(["pipewire", "pipewire-alsa", "pipewire-jack", "pipewire-media-session", "pipewire-pulse", "gst-plugin-pipewire", "libpulse"])
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elif archinstall.arguments.get('audio', None) == 'pulseaudio':
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print('Installing pulseaudio ...')
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installation.add_additional_packages("pulseaudio")
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else:
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installation.log("No audio server will be installed.", level=logging.INFO)
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if archinstall.arguments.get('packages', None) and archinstall.arguments.get('packages', None)[0] != '':
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installation.add_additional_packages(archinstall.arguments.get('packages', None))
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if archinstall.arguments.get('profile', None):
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installation.install_profile(archinstall.arguments.get('profile', None))
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for user, user_info in archinstall.arguments.get('users', {}).items():
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installation.user_create(user, user_info["!password"], sudo=False)
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for superuser, user_info in archinstall.arguments.get('superusers', {}).items():
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installation.user_create(superuser, user_info["!password"], sudo=True)
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if timezone := archinstall.arguments.get('timezone', None):
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installation.set_timezone(timezone)
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if (root_pw := archinstall.arguments.get('!root-password', None)) and len(root_pw):
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installation.user_set_pw('root', root_pw)
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if archinstall.arguments['profile'] and archinstall.arguments['profile'].has_post_install():
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with archinstall.arguments['profile'].load_instructions(namespace=f"{archinstall.arguments['profile'].namespace}.py") as imported:
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if not imported._post_install():
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archinstall.log(' * Profile\'s post configuration requirements was not fulfilled.', fg='red')
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exit(1)
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installation.log("For post-installation tips, see https://wiki.archlinux.org/index.php/Installation_guide#Post-installation", fg="yellow")
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choice = input("Would you like to chroot into the newly created installation and perform post-installation configuration? [Y/n] ")
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if choice.lower() in ("y", ""):
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try:
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installation.drop_to_shell()
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except:
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pass
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# For support reasons, we'll log the disk layout post installation (crash or no crash)
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archinstall.log(f"Disk states after installing: {archinstall.disk_layouts()}", level=logging.DEBUG)
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ask_user_questions()
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perform_installation_steps()
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