283 lines
12 KiB
Python
283 lines
12 KiB
Python
import getpass, time, json, sys, signal, os
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import archinstall
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"""
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This signal-handler chain (and global variable)
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is used to trigger the "Are you sure you want to abort?" question further down.
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It might look a bit odd, but have a look at the line: "if SIG_TRIGGER:"
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"""
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SIG_TRIGGER = False
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def kill_handler(sig, frame):
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print()
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exit(0)
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def sig_handler(sig, frame):
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global SIG_TRIGGER
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SIG_TRIGGER = True
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signal.signal(signal.SIGINT, kill_handler)
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original_sigint_handler = signal.getsignal(signal.SIGINT)
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signal.signal(signal.SIGINT, sig_handler)
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def perform_installation(device, boot_partition, language, mirrors):
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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(device, boot_partition=boot_partition, hostname=archinstall.arguments.get('hostname', 'Archinstall')) 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(f'Waiting for automatic mirror selection has completed before using custom mirrors.')
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while 'dead' not in (status := archinstall.service_state('reflector')):
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time.sleep(1)
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archinstall.use_mirrors(mirrors) # Set the mirrors for the live medium
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if installation.minimal_installation():
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installation.set_mirrors(mirrors) # Set the mirrors in the installation medium
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installation.set_keyboard_language(language)
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installation.add_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.storage['_guided']['network'] == '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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# Otherwise, if a interface was selected, configure that interface
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elif archinstall.storage['_guided']['network']:
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installation.configure_nic(**archinstall.storage['_guided']['network'])
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installation.enable_service('systemd-networkd')
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installation.enable_service('systemd-resolved')
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if archinstall.storage['_guided']['packages'] and archinstall.storage['_guided']['packages'][0] != '':
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installation.add_additional_packages(archinstall.storage['_guided']['packages'])
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if 'profile' in archinstall.storage['_guided'] and len(profile := archinstall.storage['_guided']['profile']['path'].strip()):
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installation.install_profile(profile)
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if archinstall.storage['_guided']['users']:
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for user in archinstall.storage['_guided']['users']:
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password = users[user]
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sudo = False
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if 'root_pw' not in archinstall.storage['_guided_hidden'] or len(archinstall.storage['_guided_hidden']['root_pw'].strip()) == 0:
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sudo = True
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installation.user_create(user, password, sudo=sudo)
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if 'root_pw' in archinstall.storage['_guided_hidden'] and archinstall.storage['_guided_hidden']['root_pw']:
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installation.user_set_pw('root', archinstall.storage['_guided_hidden']['root_pw'])
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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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archinstall.arguments['keyboard-language'] = archinstall.select_language(archinstall.list_keyboard_languages()).strip()
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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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archinstall.arguments['mirror-region'] = archinstall.select_mirror_regions(archinstall.list_mirrors())
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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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# 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'].has_partitions():
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archinstall.log(f" ! {archinstall.arguments['harddrive']} contains existing partitions", fg='red')
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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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#archinstall.log(f"Current filesystem is not supported: {err}", fg='red')
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#input(f"Do you wish to erase all data? (y/n):")
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if (option := input('Do you wish to keep one/more existing partitions or format entire drive? (k/f): ')).lower() in ('k', 'keep'):
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archinstall.arguments['harddrive'].keep_partitions = True
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archinstall.log(f" ** You will now select where (inside the installation) to mount partitions. **")
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archinstall.log(f" ** The root would be a simple / and the boot partition /boot as it's relative paths. **")
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while True:
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partition = archinstall.generic_select(partition_mountpoints.keys(), "Select a partition to assign mount-point to (leave blank when done): ")
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if not partition:
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break
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mountpoint = input(f"Enter a mount-point for {partition}: ").strip(' ')
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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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break
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try:
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partition.format(new_filesystem, path='/dev/null', log_formating=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 wish archinstall should support '{new_filesystem}' please create a issue-ticket suggesting it on github at https://github.com/Torxed/archinstall/issues.")
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archinstall.log(f"Until then, please enter another supported filesystem.")
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continue
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except archinstall.SysCallError:
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pass # Supported, but mkfs could not format /dev/null which is the whole point of /dev/null in path :)
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break
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if len(mountpoint):
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partition.allow_formatting = True
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partition.target_mountpoint = mountpoint
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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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else:
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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 not archinstall.arguments.get('!encryption-password', None):
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archinstall.arguments['!encryption-password'] = archinstall.get_password(prompt='Enter disk encryption password (leave blank for no encryption): ')
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archinstall.arguments['harddrive'].encryption_password = archinstall.arguments['!encryption-password']
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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 (Recommended: leave blank to leave root disabled): ')
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# # Storing things in _guided_hidden helps us avoid printing it
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# # when echoing user configuration: archinstall.storage['_guided']
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# archinstall.storage['_guided_hidden']['root_pw'] = root_pw
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# archinstall.storage['_guided']['root_unlocked'] = True
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# break
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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('Any additional users to install (leave blank for no users): ')
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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())
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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 preperations 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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bg='black',
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fg='red'
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)
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exit(1)
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# Additional packages (with some light weight error handling for invalid package names)
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if not archinstall.arguments.get('packages', None):
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archinstall.arguments['packages'] = [package for package in input('Additional packages aside from base (space separated): ').split(' ') if len(package)]
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# Verify packages that were given
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try:
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archinstall.validate_package_list(archinstall.arguments['packages'])
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except archinstall.RequirementError as e:
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archinstall.log(e, fg='red')
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exit(1)
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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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print()
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print('This is your chosen configuration:')
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archinstall.log("-- Guided template chosen (with below config) --", level=archinstall.LOG_LEVELS.Debug)
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archinstall.log(json.dumps(archinstall.arguments, indent=4, sort_keys=True, cls=archinstall.JSON), level=archinstall.LOG_LEVELS.Info)
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print()
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input('Press Enter to continue.')
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exit(0)
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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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print(f" ! Formatting {archinstall.arguments['harddrive']} in ", end='')
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for i in range(5, 0, -1):
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print(f"{i}", end='')
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for x in range(4):
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sys.stdout.flush()
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time.sleep(0.25)
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print(".", end='')
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if SIG_TRIGGER:
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abort = input('\nDo you really want to abort (y/n)? ')
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if abort.strip() != 'n':
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exit(0)
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if SIG_TRIGGER is False:
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sys.stdin.read()
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SIG_TRIGGER = False
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signal.signal(signal.SIGINT, sig_handler)
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# Put back the default/original signal handler now that we're done catching
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# and interrupting SIGINT with "Do you really want to abort".
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print()
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signal.signal(signal.SIGINT, original_sigint_handler)
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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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with archinstall.Filesystem(harddrive, archinstall.GPT) as fs:
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# Use partitioning helper to set up the disk partitions.
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if disk_password:
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fs.use_entire_disk('luks2')
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else:
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fs.use_entire_disk('ext4')
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if harddrive.partition[1].size == '512M':
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raise OSError('Trying to encrypt the boot partition for petes sake..')
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harddrive.partition[0].format('vfat')
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if disk_password:
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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(harddrive.partition[1], 'luksloop', disk_password) as unlocked_device:
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unlocked_device.format('btrfs')
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perform_installation(unlocked_device,
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harddrive.partition[0],
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archinstall.arguments['keyboard-language'],
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archinstall.arguments['mirror-region'])
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else:
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harddrive.partition[1].format('ext4')
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perform_installation(harddrive.partition[1],
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harddrive.partition[0],
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archinstall.arguments['keyboard-language'],
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archinstall.arguments['mirror-region']) |