135 lines
6.6 KiB
Python
135 lines
6.6 KiB
Python
import logging
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import os
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import pathlib
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import archinstall
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def ask_harddrives():
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# Ask which harddrives/block-devices we will install to
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# and convert them into archinstall.BlockDevice() objects.
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if archinstall.arguments.get('harddrives', None) is None:
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archinstall.arguments['harddrives'] = archinstall.generic_multi_select(archinstall.all_disks(),
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text="Select one or more harddrives to use and configure (leave blank to skip this step): ",
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allow_empty=True)
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if not archinstall.arguments['harddrives']:
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archinstall.log("You decided to skip harddrive selection",fg="red",level=logging.INFO)
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archinstall.log(f"and will use whatever drive-setup is mounted at {archinstall.storage['MOUNT_POINT']} (experimental)",fg="red",level=logging.INFO)
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archinstall.log("WARNING: Archinstall won't check the suitability of this setup",fg="red",level=logging.INFO)
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if input("Do you wish to continue ? [Y/n]").strip().lower() == 'n':
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exit(1)
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else:
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if archinstall.arguments.get('disk_layouts', None) is None:
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archinstall.arguments['disk_layouts'] = archinstall.select_disk_layout(archinstall.arguments['harddrives'], archinstall.arguments.get('advanced', False))
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# Get disk encryption password (or skip if blank)
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if 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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if archinstall.arguments.get('!encryption-password', None):
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# If no partitions was marked as encrypted, but a password was supplied and we have some disks to format..
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# Then we need to identify which partitions to encrypt. This will default to / (root).
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if len(list(archinstall.encrypted_partitions(archinstall.arguments['disk_layouts']))) == 0:
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archinstall.arguments['disk_layouts'] = archinstall.select_encrypted_partitions(archinstall.arguments['disk_layouts'], archinstall.arguments['!encryption-password'])
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# Ask which boot-loader to use (will only ask if we're in BIOS (non-efi) mode)
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if not archinstall.arguments.get("bootloader", None):
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archinstall.arguments["bootloader"] = archinstall.ask_for_bootloader(archinstall.arguments.get('advanced', False))
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if not archinstall.arguments.get('swap', None):
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archinstall.arguments['swap'] = archinstall.ask_for_swap()
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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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ask_harddrives()
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def perform_disk_operations():
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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('harddrives', None):
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print(f" ! Formatting {archinstall.arguments['harddrives']} 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 archinstall.has_uefi() is False:
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mode = archinstall.MBR
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for drive in archinstall.arguments.get('harddrives', []):
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if dl_disk := archinstall.arguments.get('disk_layouts', {}).get(drive.path):
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with archinstall.Filesystem(drive, mode) as fs:
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fs.load_layout(dl_disk)
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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=None) as installation:
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# Mount all the drives to the desired mountpoint
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# This *can* be done outside of the installation, but the installer can deal with it.
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if archinstall.arguments.get('disk_layouts'):
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installation.mount_ordered_layout(archinstall.arguments['disk_layouts'])
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# Placing /boot check during installation because this will catch both re-use and wipe scenarios.
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for partition in installation.partitions:
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if partition.mountpoint == installation.target + '/boot':
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if partition.size <= 0.25: # in GB
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raise archinstall.DiskError(f"The selected /boot partition in use is not large enough to properly install a boot loader. Please resize it to at least 256MB and re-run the installation.")
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# to generate a fstab directory holder. Avoids an error on exit and at the same time checks the procedure
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target = pathlib.Path(f"{mountpoint}/etc/fstab")
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if not target.parent.exists():
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target.parent.mkdir(parents=True)
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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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def log_execution_environment():
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# Log various information about hardware before starting the installation. This might assist in troubleshooting
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archinstall.log(f"Hardware model detected: {archinstall.sys_vendor()} {archinstall.product_name()}; UEFI mode: {archinstall.has_uefi()}", level=logging.DEBUG)
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archinstall.log(f"Processor model detected: {archinstall.cpu_model()}", level=logging.DEBUG)
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archinstall.log(f"Memory statistics: {archinstall.mem_available()} available out of {archinstall.mem_total()} total installed", level=logging.DEBUG)
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archinstall.log(f"Virtualization detected: {archinstall.virtualization()}; is VM: {archinstall.is_vm()}", level=logging.DEBUG)
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archinstall.log(f"Graphics devices detected: {archinstall.graphics_devices().keys()}", level=logging.DEBUG)
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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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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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if os.getuid() != 0:
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print("Archinstall requires root privileges to run. See --help for more.")
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exit(1)
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log_execution_environment()
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if not archinstall.check_mirror_reachable():
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log_file = os.path.join(archinstall.storage.get('LOG_PATH', None), archinstall.storage.get('LOG_FILE', None))
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archinstall.log(f"Arch Linux mirrors are not reachable. Please check your internet connection and the log file '{log_file}'.", level=logging.INFO, fg="red")
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exit(1)
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if not archinstall.arguments.get('silent'):
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ask_user_questions()
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archinstall.output_configs(archinstall.arguments,show=False if archinstall.arguments.get('silent') else True)
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if archinstall.arguments.get('dry_run'):
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exit(0)
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if not archinstall.arguments.get('silent'):
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input('Press Enter to continue.')
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perform_disk_operations()
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perform_installation(archinstall.storage.get('MOUNT_POINT', '/mnt'))
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