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import logging
import os
import pathlib
import archinstall
from archinstall import ConfigurationOutput
class OnlyHDMenu(archinstall.GlobalMenu):
def _setup_selection_menu_options(self):
super()._setup_selection_menu_options()
options_list = []
mandatory_list = []
options_list = ['harddrives', 'disk_layouts', 'disk_encryption','swap']
mandatory_list = ['harddrives']
options_list.extend(['save_config','install','abort'])
for entry in self._menu_options:
if entry in options_list:
# for not lineal executions, only self.option(entry).set_enabled and set_mandatory are necessary
if entry in mandatory_list:
self.enable(entry,mandatory=True)
else:
self.enable(entry)
else:
self.option(entry).set_enabled(False)
self._update_install_text()
def mandatory_lacking(self) -> [int, list]:
mandatory_fields = []
mandatory_waiting = 0
for field in self._menu_options:
option = self._menu_options[field]
if option.is_mandatory():
if not option.has_selection():
mandatory_waiting += 1
mandatory_fields += [field,]
return mandatory_fields, mandatory_waiting
def _missing_configs(self):
""" overloaded method """
def check(s):
return self.option(s).has_selection()
missing, missing_cnt = self.mandatory_lacking()
if check('harddrives'):
if not self.option('harddrives').is_empty() and not check('disk_layouts'):
missing_cnt += 1
missing += ['disk_layout']
return missing
def ask_user_questions():
"""
First, we'll ask the user for a bunch of user input.
Not until we're satisfied with what we want to install
will we continue with the actual installation steps.
"""
with OnlyHDMenu(data_store=archinstall.arguments) as menu:
# We select the execution language separated
menu.exec_option('archinstall-language')
menu.option('archinstall-language').set_enabled(False)
menu.run()
def perform_disk_operations():
"""
Issue a final warning before we continue with something un-revertable.
We mention the drive one last time, and count from 5 to 0.
"""
if archinstall.arguments.get('harddrives', None):
print(f" ! Formatting {archinstall.arguments['harddrives']} in ", end='')
archinstall.do_countdown()
"""
Setup the blockdevice, filesystem (and optionally encryption).
Once that's done, we'll hand over to perform_installation()
"""
mode = archinstall.GPT
if archinstall.has_uefi() is False:
mode = archinstall.MBR
for drive in archinstall.arguments.get('harddrives', []):
if archinstall.arguments.get('disk_layouts', {}).get(drive.path):
with archinstall.Filesystem(drive, mode) as fs:
fs.load_layout(archinstall.arguments['disk_layouts'][drive.path])
def perform_installation(mountpoint):
"""
Performs the installation steps on a block device.
Only requirement is that the block devices are
formatted and setup prior to entering this function.
"""
with archinstall.Installer(mountpoint, kernels=None) as installation:
# Mount all the drives to the desired mountpoint
# This *can* be done outside of the installation, but the installer can deal with it.
if archinstall.arguments.get('disk_layouts'):
installation.mount_ordered_layout(archinstall.arguments['disk_layouts'])
# Placing /boot check during installation because this will catch both re-use and wipe scenarios.
for partition in installation.partitions:
if partition.mountpoint == installation.target + '/boot':
if partition.size <= 0.25: # in GB
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.")
# to generate a fstab directory holder. Avoids an error on exit and at the same time checks the procedure
target = pathlib.Path(f"{mountpoint}/etc/fstab")
if not target.parent.exists():
target.parent.mkdir(parents=True)
# For support reasons, we'll log the disk layout post installation (crash or no crash)
archinstall.log(f"Disk states after installing: {archinstall.disk_layouts()}", level=logging.DEBUG)
def log_execution_environment():
# Log various information about hardware before starting the installation. This might assist in troubleshooting
archinstall.log(f"Hardware model detected: {archinstall.sys_vendor()} {archinstall.product_name()}; UEFI mode: {archinstall.has_uefi()}", level=logging.DEBUG)
archinstall.log(f"Processor model detected: {archinstall.cpu_model()}", level=logging.DEBUG)
archinstall.log(f"Memory statistics: {archinstall.mem_available()} available out of {archinstall.mem_total()} total installed", level=logging.DEBUG)
archinstall.log(f"Virtualization detected: {archinstall.virtualization()}; is VM: {archinstall.is_vm()}", level=logging.DEBUG)
archinstall.log(f"Graphics devices detected: {archinstall.graphics_devices().keys()}", level=logging.DEBUG)
# For support reasons, we'll log the disk layout pre installation to match against post-installation layout
archinstall.log(f"Disk states before installing: {archinstall.disk_layouts()}", level=logging.DEBUG)
if archinstall.arguments.get('help'):
print("See `man archinstall` for help.")
exit(0)
if os.getuid() != 0:
print("Archinstall requires root privileges to run. See --help for more.")
exit(1)
log_execution_environment()
if not archinstall.check_mirror_reachable():
log_file = os.path.join(archinstall.storage.get('LOG_PATH', None), archinstall.storage.get('LOG_FILE', None))
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")
exit(1)
if not archinstall.arguments.get('silent'):
ask_user_questions()
config_output = ConfigurationOutput(archinstall.arguments)
if not archinstall.arguments.get('silent'):
config_output.show()
config_output.save()
if archinstall.arguments.get('dry_run'):
exit(0)
if not archinstall.arguments.get('silent'):
input('Press Enter to continue.')
perform_disk_operations()
perform_installation(archinstall.storage.get('MOUNT_POINT', '/mnt'))
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