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import os, stat
from .exceptions import *
from .disk import *
from .general import *
from .user_interaction import *
from .profiles import Profile
class Installer():
def __init__(self, partition, boot_partition, *, profile=None, mountpoint='/mnt', hostname='ArchInstalled'):
self.profile = profile
self.hostname = hostname
self.mountpoint = mountpoint
self.partition = partition
self.boot_partition = boot_partition
def __enter__(self, *args, **kwargs):
self.partition.mount(self.mountpoint)
os.makedirs(f'{self.mountpoint}/boot', exist_ok=True)
self.boot_partition.mount(f'{self.mountpoint}/boot')
return self
def __exit__(self, *args, **kwargs):
# b''.join(sys_command(f'sync')) # No need to, since the underlaying fs() object will call sync.
# TODO: https://stackoverflow.com/questions/28157929/how-to-safely-handle-an-exception-inside-a-context-manager
if len(args) >= 2 and args[1]:
raise args[1]
log('Installation completed without any errors.', bg='black', fg='green')
return True
def pacstrap(self, *packages, **kwargs):
if type(packages[0]) in (list, tuple): packages = packages[0]
log(f'Installing packages: {packages}')
if (sync_mirrors := sys_command('/usr/bin/pacman -Syy')).exit_code == 0:
if (pacstrap := sys_command(f'/usr/bin/pacstrap {self.mountpoint} {" ".join(packages)}', **kwargs)).exit_code == 0:
return True
else:
log(f'Could not strap in packages: {pacstrap.exit_code}')
else:
log(f'Could not sync mirrors: {sync_mirrors.exit_code}')
def genfstab(self, flags='-Pu'):
o = b''.join(sys_command(f'/usr/bin/genfstab -pU {self.mountpoint} >> {self.mountpoint}/etc/fstab'))
if not os.path.isfile(f'{self.mountpoint}/etc/fstab'):
raise RequirementError(f'Could not generate fstab, strapping in packages most likely failed (disk out of space?)\n{o}')
return True
def set_hostname(self, hostname=None):
if not hostname: hostname = self.hostname
with open(f'{self.mountpoint}/etc/hostname', 'w') as fh:
fh.write(self.hostname + '\n')
def set_locale(self, locale, encoding='UTF-8'):
with open(f'{self.mountpoint}/etc/locale.gen', 'a') as fh:
fh.write(f'{locale} {encoding}\n')
with open(f'{self.mountpoint}/etc/locale.conf', 'w') as fh:
fh.write(f'LANG={locale}\n')
sys_command(f'/usr/bin/arch-chroot {self.mountpoint} locale-gen')
def minimal_installation(self):
self.pacstrap('base base-devel linux linux-firmware btrfs-progs efibootmgr nano'.split(' '))
self.genfstab()
with open(f'{self.mountpoint}/etc/fstab', 'a') as fstab:
fstab.write('\ntmpfs /tmp tmpfs defaults,noatime,mode=1777 0 0\n') # Redundant \n at the start? who knoes?
## TODO: Support locale and timezone
#os.remove(f'{self.mountpoint}/etc/localtime')
#sys_command(f'/usr/bin/arch-chroot {self.mountpoint} ln -s /usr/share/zoneinfo/{localtime} /etc/localtime')
#sys_command('/usr/bin/arch-chroot /mnt hwclock --hctosys --localtime')
self.set_hostname()
self.set_locale('en_US.UTF-8')
# TODO: Use python functions for this
sys_command(f'/usr/bin/arch-chroot {self.mountpoint} chmod 700 /root')
if self.partition.filesystem == 'btrfs':
with open(f'{self.mountpoint}/etc/mkinitcpio.conf', 'w') as mkinit:
## TODO: Don't replace it, in case some update in the future actually adds something.
mkinit.write('MODULES=(btrfs)\n')
mkinit.write('BINARIES=(/usr/bin/btrfs)\n')
mkinit.write('FILES=()\n')
mkinit.write('HOOKS=(base udev autodetect modconf block encrypt filesystems keyboard fsck)\n')
sys_command(f'/usr/bin/arch-chroot {self.mountpoint} mkinitcpio -p linux')
return True
def add_bootloader(self):
log(f'Adding bootloader to {self.boot_partition}')
o = b''.join(sys_command(f'/usr/bin/arch-chroot {self.mountpoint} bootctl --no-variables --path=/boot install'))
with open(f'{self.mountpoint}/boot/loader/loader.conf', 'w') as loader:
loader.write('default arch\n')
loader.write('timeout 5\n')
## For some reason, blkid and /dev/disk/by-uuid are not getting along well.
## And blkid is wrong in terms of LUKS.
#UUID = sys_command('blkid -s PARTUUID -o value {drive}{partition_2}'.format(**args)).decode('UTF-8').strip()
with open(f'{self.mountpoint}/boot/loader/entries/arch.conf', 'w') as entry:
entry.write('title Arch Linux\n')
entry.write('linux /vmlinuz-linux\n')
entry.write('initrd /initramfs-linux.img\n')
## blkid doesn't trigger on loopback devices really well,
## so we'll use the old manual method until we get that sorted out.
if self.partition.encrypted:
for root, folders, uids in os.walk('/dev/disk/by-uuid'):
for uid in uids:
real_path = os.path.realpath(os.path.join(root, uid))
if not os.path.basename(real_path) == os.path.basename(self.partition.real_device): continue
entry.write(f'options cryptdevice=UUID={uid}:luksdev root=/dev/mapper/luksdev rw intel_pstate=no_hwp\n')
return True
break
else:
for root, folders, uids in os.walk('/dev/disk/by-partuuid'):
for uid in uids:
real_path = os.path.realpath(os.path.join(root, uid))
if not os.path.basename(real_path) == os.path.basename(self.partition.path): continue
entry.write(f'options root=PARTUUID={uid} rw intel_pstate=no_hwp\n')
return True
break
raise RequirementError(f'Could not identify the UUID of {self.partition}, there for {self.mountpoint}/boot/loader/entries/arch.conf will be broken until fixed.')
def add_additional_packages(self, *packages):
self.pacstrap(*packages)
def install_profile(self, profile):
profile = Profile(self, profile)
log(f'Installing network profile {profile}')
profile.install()
def user_create(self, user :str, password=None, groups=[]):
log(f'Creating user {user}')
o = b''.join(sys_command(f'/usr/bin/arch-chroot {self.mountpoint} useradd -m -G wheel {user}'))
if password:
self.user_set_pw(user, password)
if groups:
for group in groups:
o = b''.join(sys_command(f'/usr/bin/arch-chroot {self.mountpoint} gpasswd -a {user} {group}'))
def user_set_pw(self, user, password):
log(f'Setting password for {user}')
o = b''.join(sys_command(f"/usr/bin/arch-chroot {self.mountpoint} sh -c \"echo '{user}:{password}' | chpasswd\""))
pass
def add_AUR_support(self):
log(f'Building and installing yay support into {self.mountpoint}')
self.add_additional_packages(['git', 'base-devel']) # TODO: Remove if not explicitly added at one point
o = b''.join(sys_command(f'/usr/bin/arch-chroot {self.mountpoint} sh -c "useradd -m -G wheel aibuilder"'))
o = b''.join(sys_command(f"/usr/bin/sed -i 's/# %wheel ALL=(ALL) NO/%wheel ALL=(ALL) NO/' {self.mountpoint}/etc/sudoers"))
o = b''.join(sys_command(f'/usr/bin/arch-chroot {self.mountpoint} sh -c "su - aibuilder -c \\"(cd /home/aibuilder; git clone https://aur.archlinux.org/yay.git)\\""'))
o = b''.join(sys_command(f'/usr/bin/arch-chroot {self.mountpoint} sh -c "chown -R aibuilder.aibuilder /home/aibuilder/yay"'))
o = b''.join(sys_command(f'/usr/bin/arch-chroot {self.mountpoint} sh -c "su - aibuilder -c \\"(cd /home/aibuilder/yay; makepkg -si --noconfirm)\\" >/dev/null"'))
o = b''.join(sys_command(f'/usr/bin/arch-chroot {self.mountpoint} sh -c "userdel aibuilder; rm -rf /hoem/aibuilder"'))
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