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install.py
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install.py
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#!/usr/bin/python3
import os
import time
import sys
# TODO: the installer needs a proper rewrite - in progress
args = list(sys.argv)
# startup-service; startup; astpk-part; astpk-cbase; astpk-csnapshot; astpk-cetc; astpk-firstboot
def clear():
os.system("clear")
def main(args):
# default pacstrap options
pacstrapOptionsMandatory = "base btrfs-progs grub python3 python-anytree"
pacstrapOptionsEfi = ""
pacstrapOptions = "linux-lts linux-firmware git networkmanager"
# default btrfs mount options
btrfsMountOptions = "compress=zstd,noatime"
# --------------------------------------------------
# 1.0 Installation selection
# --------------------------------------------------
# installation profile
while True:
clear()
#print("Welcome to the astOS installer!\n\n\n\n\n")
#print("Select installation profile:\n1. Minimal install - suitable for embedded devices or servers\n2. Desktop install (Gnome) - suitable for workstations\n3. Desktop install (KDE Plasma)\n0. Custom Test")
# installation profile welcome message
print(f'Welcome to the astOS installer!\n\n')
print(f'Select installation profile:')
print(f'1. Minimal install - suitable for embedded devices or servers')
print(f'2. Desktop install (Gnome) - suitable for workstations')
print(f'3. Desktop install (KDE Plasma)')
print(f'0. Advanced install - your choice of installation\n\n')
# capture input
installationProfile = str(input("> "))
print(installationProfile)
if installationProfile == "1":
desktopInstall = 0
break
if installationProfile == "2":
desktopInstall = 1
break
if installationProfile == "3":
desktopInstall = 2
break
if installationProfile == "0":
desktopInstall = 0
break
# installationProfile 0 - begin
if installationProfile == "0":
# set pacstrap packages
while True:
clear()
# pactrap welcome message
print(f'Base Packages.\n\n')
print(f'Some mandatory packages are included by default, they\'re necessary for astOS to function.')
print(f'Value: {pacstrapOptionsMandatory}\n\n')
print(f'Default packages, you can override those here if you wish to do so.')
print(f'Value: {pacstrapOptions}\n\n')
# capture input
pacstrapInput = str(input("> "))
# check for actual input before overriding default
if pacstrapInput:
pacstrapOptions = pacstrapInput
break
# set btrfs mount options
while True:
clear()
# btrfs mount options welcome message
print(f'BTRFS Mount Options.\n\n')
print(f'Default btrfs mount options.')
print(f'Value: {btrfsMountOptions}\n\n')
# capture input
btrfsInput = str(input("> "))
# check for actual input before overriding default
if btrfsInput:
btrfsMountOptions = btrfsInput
break
# installationProfile 0 - end
# --------------------------------------------------
# 1.1 Installation preparation
# - installation media update
# - disk preparation
# - btrfs structure
# - os information
# --------------------------------------------------
# update installation
os.system("pacman --noconfirm -Sy")
# set btrfs format on root partition
os.system(f"mkfs.btrfs -f {args[1]}")
# check for efi partition
if os.path.exists("/sys/firmware/efi"):
efi = True
else:
efi = False
# mount root partition
os.system(f"mount {args[1]} /mnt")
# btrfs directories - the order of the values must be alined, mounting will be incorrect if not.
btrfsDirectories = ["@","@.snapshots","@home","@var","@etc","@boot"]
mountDirectories = ["",".snapshots","home","var","etc","boot"]
# create all btrfs directories in /mnt
for btrfsDirectory in btrfsDirectories:
os.system(f"btrfs sub create /mnt/{btrfsDirectory}")
# unmount /mnt
os.system(f"umount /mnt")
# mount root partition using btrfs
os.system(f"mount {args[1]} -o subvol=@,{btrfsMountOptions} /mnt")
# create additional directories
os.system("mkdir -p /mnt/{tmp,root}")
os.system("mkdir -p /mnt/.snapshots/{rootfs,etc,var,boot,tmp,root}")
# mount additional directories using btrfs
for mountDirectory in mountDirectories:
os.system(f"mkdir /mnt/{mountDirectory}")
os.system(f"mount {args[1]} -o subvol={btrfsDirectories[mountDirectories.index(mountDirectory)]},{btrfsMountOptions} /mnt/{mountDirectory}")
# create efi directory and mount (if we're using that), include efibootmgr in our initial package installation
if efi:
os.system("mkdir /mnt/boot/efi")
os.system(f"mount {args[3]} /mnt/boot/efi")
pacstrapOptionsEfi = "efibootmgr"
# pacstrap, initial package installation
os.system(f"pacstrap /mnt {pacstrapOptionsMandatory} {pacstrapOptions} {pacstrapOptionsEfi}")
# add btrfs configuration to fstab
os.system(f"echo '{args[1]} / btrfs subvol=@,{btrfsMountOptions},ro 0 0' > /mnt/etc/fstab")
# add all subvolumnes
for mountDirectory in mountDirectories:
os.system(f"echo '{args[1]} /{mountDirectory} btrfs subvol=@{mountDirectory},{btrfsMountOptions} 0 0' >> /mnt/etc/fstab")
# add efi
if efi:
os.system(f"echo '{args[3]} /boot/efi vfat umask=0077 0 2' >> /mnt/etc/fstab")
os.system("echo '/.snapshots/ast/root /root none bind 0 0' >> /mnt/etc/fstab")
os.system("echo '/.snapshots/ast/tmp /tmp none bind 0 0' >> /mnt/etc/fstab")
os.system(f"mkdir -p /mnt/usr/share/ast/db")
os.system(f"echo '0' > /mnt/usr/share/ast/snap")
# ast configuration
os.system("mkdir /mnt/etc/astpk.d")
os.system(f"echo '{args[1]}' > /mnt/etc/astpk.d/astpk-part")
os.system(f"echo '0' > /mnt/etc/astpk.d/astpk-csnapshot")
os.system(f"echo '0' > /mnt/etc/astpk.d/astpk-cetc")
os.system(f"mkdir /mnt/usr/share/ast")
os.system(f"cp -r /mnt/var/lib/pacman/* /mnt/usr/share/ast")
os.system(f"sed -i s,\"#DBPath = /var/lib/pacman/\",\"DBPath = /usr/share/ast/\",g /mnt/etc/pacman.conf")
# os information
os.system(f"echo 'NAME=\"astOS\"' > /mnt/etc/os-release")
os.system(f"echo 'PRETTY_NAME=\"astOS\"' >> /mnt/etc/os-release")
os.system(f"echo 'ID=astos' >> /mnt/etc/os-release")
os.system(f"echo 'BUILD_ID=rolling' >> /mnt/etc/os-release")
os.system(f"echo 'ANSI_COLOR=\"38;2;23;147;209\"' >> /mnt/etc/os-release")
os.system(f"echo 'HOME_URL=\"https://github.com/CuBeRJAN/astOS\"' >> /mnt/etc/os-release")
os.system(f"echo 'LOGO=astos-logo' >> /mnt/etc/os-release")
os.system(f"echo 'DISTRIB_ID=\"astOS\"' > /mnt/etc/lsb-release")
os.system(f"echo 'DISTRIB_RELEASE=\"rolling\"' >> /mnt/etc/lsb-release")
os.system(f"echo 'DISTRIB_DESCRIPTION=astOS' >> /mnt/etc/lsb-release")
# --------------------------------------------------
# 1.2 Post installation
# - user(s) configuration
# - locale
# - keyboard layout
# - hostname
# --------------------------------------------------
# default post installation values
timezoneOption = "Europe"
localeOption = "en_DK.UTF-8 UTF-8"
keyboardOption = ""
hostnameOption = "astOS"
# timezone configuration
while True:
clear()
# timezone welcome message
print(f'Timezone.\n\n')
print(f'Input desired timezone, if you\'re unsure type list to list all available.')
print(f'Default: {timezoneOption}\n\n')
# capture input
timezoneInput = input("> ")
# validate input
if timezoneInput == "list":
os.system("ls /usr/share/zoneinfo | less")
elif timezoneInput:
timezoneOption = str(f"/usr/share/zoneinfo/{timezoneInput}")
break
else:
break
# locale configuration
while True:
clear()
# locale welcome message
print(f'Locale.\n\n')
print(f'Input desired locale, if you\'re unsure type list to list all available.')
print(f'Default: {localeOption}\n\n')
# capture input
localeInput = input("> ")
# validate input
if localeInput == "list":
os.system("cat /etc/locale.gen | less")
elif localeInput:
localeOption = localeInput
else:
break
# hostname configuration
while True:
clear()
# locale welcome message
print(f'Hostname.\n\n')
print(f'Input desired hostname.')
print(f'Default: {hostnameOption}\n\n')
# capture input
hostnameInput = input("> ")
if hostnameInput:
hostnameOption = hostnameInput
break
clear()
# root password welcome message
print(f'Root password.\n\n')
print(f'Input root password.\n\n')
# set root password
os.system("arch-chroot /mnt passwd")
# root password configuration
while True:
# root password welcome message
print(f'Was root password set successfully (y/n)?\n\n')
# capture input
rootPasswordInput = input("> ")
# validate input
if rootPasswordInput.casefold() == "y":
break
else:
os.system("arch-chroot /mnt passwd")
# additional command
while True:
clear()
# additional command welcome message
print(f'Do you wish do make additional changes?\n\n')
print(f'You have to specify exact commands, all commands target your /mnt per default.\n\n')
# capture input
additionalCommandInput = input("> ")
# validate input
if additionalCommandInput.casefold() == "y":
# capture input
commandInput = input("> ")
# validate input
if commandInput:
os.system(f"arch-chroot /mnt {commandInput}")
else:
break
# services to enable
os.system("arch-chroot /mnt systemctl enable NetworkManager")
# --------------------------------------------------
# 1.3 Post installation
# - apply all post installation configurations
# --------------------------------------------------
# apply timezone configuration
os.system(f"arch-chroot /mnt ln -sf {timezoneOption} /etc/localtime")
# apply locale configuration
os.system(f"echo '{localeOption}' >> /mnt/etc/locale.gen")
os.system(f"arch-chroot /mnt locale-gen")
os.system(f"echo 'LANG={localeOption}' > /mnt/etc/locale.conf")
# apply hostname configuration
os.system(f"echo {hostnameOption} > /mnt/etc/hostname")
# additional post installation configuration, no user interaction needed.
os.system(f"arch-chroot /mnt hwclock --systohc")
os.system("mkdir -p /mnt/.snapshots/{ast,boot,etc,rootfs,var}")
# apply fstab post installation configuration
os.system("sed -i '0,/@/{s,@,@.snapshots/rootfs/snapshot-tmp,}' /mnt/etc/fstab")
os.system("sed -i '0,/@etc/{s,@etc,@.snapshots/etc/etc-tmp,}' /mnt/etc/fstab")
os.system("sed -i '0,/@boot/{s,@boot,@.snapshots/boot/boot-tmp,}' /mnt/etc/fstab")
# initial default snapshot tree configuration
os.system("mkdir -p /mnt/.snapshots/ast/images")
os.system("arch-chroot /mnt btrfs sub set-default /.snapshots/rootfs/snapshot-tmp")
os.system("arch-chroot /mnt ln -s /.snapshots/ast /var/lib/ast")
#os.system("mkdir -p /mnt/var/astpk")
os.system("echo {\\'name\\': \\'root\\', \\'children\\': [{\\'name\\': \\'0\\'}]} > /mnt/.snapshots/ast/fstree")
# grub installation and configuration
os.system(f"arch-chroot /mnt sed -i s,Arch,astOS,g /etc/default/grub")
os.system(f"arch-chroot /mnt grub-install {args[2]}")
os.system(f"arch-chroot /mnt grub-mkconfig {args[2]} -o /boot/grub/grub.cfg")
os.system("sed -i '0,/subvol=@/{s,subvol=@,subvol=@.snapshots/rootfs/snapshot-tmp,g}' /mnt/boot/grub/grub.cfg")
# ast tool configuration (copy and make executable)
os.system("cp ./astpk.py /mnt/usr/local/sbin/ast")
os.system("arch-chroot /mnt chmod +x /usr/local/sbin/ast")
# btrfs post installation configuration
# take first "root" snapshot, this will be the foundation for all future clones
# os.system("mkdir -p /mnt/root/images")
# os.system("arch-chroot /mnt btrfs sub set-default /.snapshots/snapshot-tmp")
# take initial snapshot
os.system("btrfs sub snap -r /mnt /mnt/.snapshots/rootfs/snapshot-0")
# create additional subvolumes
os.system("btrfs sub create /mnt/.snapshots/etc/etc-tmp")
os.system("btrfs sub create /mnt/.snapshots/var/var-tmp")
os.system("btrfs sub create /mnt/.snapshots/boot/boot-tmp")
# create pacman and systemd directories in subvolumes
os.system("mkdir -p /mnt/.snapshots/var/var-tmp/lib/{pacman,systemd}")
# copy to tmp pacman and systemd directories
os.system("cp --reflink=auto -r /mnt/var/lib/pacman/* /mnt/.snapshots/var/var-tmp/lib/pacman/")
os.system("cp --reflink=auto -r /mnt/var/lib/systemd/* /mnt/.snapshots/var/var-tmp/lib/systemd/")
os.system("cp --reflink=auto -r /mnt/boot/* /mnt/.snapshots/boot/boot-tmp")
os.system("cp --reflink=auto -r /mnt/etc/* /mnt/.snapshots/etc/etc-tmp")
# take snapshots of var, etc and boot
os.system("btrfs sub snap -r /mnt/.snapshots/var/var-tmp /mnt/.snapshots/var/var-0")
os.system("btrfs sub snap -r /mnt/.snapshots/boot/boot-tmp /mnt/.snapshots/boot/boot-0")
os.system("btrfs sub snap -r /mnt/.snapshots/etc/etc-tmp /mnt/.snapshots/etc/etc-0")
os.system(f"echo '{args[1]}' > /mnt/.snapshots/ast/part")
# --------------------------------------------------
# 1.4 Desktop installation
# - run installation for a given desktop environment
# --------------------------------------------------
# add new snapshot tree if desktop is required
if desktopInstall:
os.system("echo {\\'name\\': \\'root\\', \\'children\\': [{\\'name\\': \\'0\\'},{\\'name\\': \\'1\\'}]} > /mnt/.snapshots/ast/fstree")
os.system(f"echo '{astpart}' > /mnt/.snapshots/ast/part")
# desktop specific installation
if desktopInstall == "2":
DesktopGnome()
elif desktopInstall == "3":
DesktopKde()
else:
os.system("btrfs sub snap /mnt/.snapshots/snapshot-0 /mnt/.snapshots/snapshot-tmp")
# --------------------------------------------------
# 1.5 Installation cleanup
# - unount
# - copy to snapshots
# --------------------------------------------------
os.system("cp -r /mnt/root/. /mnt/.snapshots/root/")
os.system("cp -r /mnt/tmp/. /mnt/.snapshots/tmp/")
os.system("rm -rf /mnt/root/*")
os.system("rm -rf /mnt/tmp/*")
# unmount /boot/efi
if efi:
os.system("umount /mnt/boot/efi")
# unmount /mnt/{boot,etc}
os.system("umount /mnt/boot")
# mount {boot,etc}-tmp using btrfs
os.system(f"mount {args[1]} -o subvol=@boot,{btrfsMountOptions} /mnt/.snapshots/boot/boot-tmp")
# copy to {boot,etc}
os.system("cp --reflink=auto -r /mnt/.snapshots/boot/boot-tmp/* /mnt/boot")
os.system("umount /mnt/etc")
os.system(f"mount {args[1]} -o subvol=@etc,{btrfsMountOptions} /mnt/.snapshots/etc/etc-tmp")
os.system("cp --reflink=auto -r /mnt/.snapshots/etc/etc-tmp/* /mnt/etc")
# create additional folders
os.system("mkdir -p /mnt/.snapshots/rootfs/snapshot-tmp/{etc,var,boot}")
# copy to snapshot-tmp (snapshot number determined by desktopInstall value)
if desktopInstall:
os.system("cp --reflink=auto -r /mnt/.snapshots/etc/etc-1/* /mnt/.snapshots/rootfs/snapshot-tmp/etc")
os.system("cp --reflink=auto -r /mnt/.snapshots/var/var-1/* /mnt/.snapshots/rootfs/snapshot-tmp/var")
os.system("cp --reflink=auto -r /mnt/.snapshots/boot/boot-1/* /mnt/.snapshots/rootfs/snapshot-tmp/boot")
else:
os.system("cp --reflink=auto -r /mnt/.snapshots/etc/etc-0/* /mnt/.snapshots/rootfs/snapshot-tmp/etc")
os.system("cp --reflink=auto -r /mnt/.snapshots/var/var-0/* /mnt/.snapshots/rootfs/snapshot-tmp/var")
os.system("cp --reflink=auto -r /mnt/.snapshots/boot/boot-0/* /mnt/.snapshots/rootfs/snapshot-tmp/boot")
# unmount /mnt
os.system("umount -R /mnt")
# mount root partition
os.system(f"mount {args[1]} /mnt")
# delete subvolume
os.system("btrfs sub del /mnt/@")
# unmount /mnt
os.system("umount -R /mnt")
# installation complete message
clear()
print(f'Installation complete.')
print(f'You can reboot now :)')
def DesktopGnome():
os.system(f"echo '1' > /mnt/etc/astpk.d/astpk-csnapshot")
os.system(f"echo '1' > /mnt/etc/astpk.d/astpk-cetc")
os.system("pacstrap /mnt flatpak gnome gnome-extra gnome-themes-extra gdm pipewire pipewire-pulse sudo")
clear()
print("Enter username (all lowercase, max 8 letters)")
username = input("> ")
while True:
print("did your set username properly (y/n)?")
reply = input("> ")
if reply.casefold() == "y":
break
else:
print("Enter username (all lowercase, max 8 letters)")
username = input("> ")
os.system(f"arch-chroot /mnt useradd {username}")
os.system(f"arch-chroot /mnt passwd {username}")
while True:
print("did your password set properly (y/n)?")
reply = input("> ")
if reply.casefold() == "y":
break
else:
os.system(f"arch-chroot /mnt passwd {username}")
os.system(f"arch-chroot /mnt usermod -aG audio,input,video,wheel {username}")
os.system(f"arch-chroot /mnt passwd -l root")
os.system(f"chmod +w /mnt/etc/sudoers")
os.system(f"echo '%wheel ALL=(ALL:ALL) ALL' >> /mnt/etc/sudoers")
os.system(f"chmod -w /mnt/etc/sudoers")
os.system(f"arch-chroot /mnt mkdir /home/{username}")
os.system(f"echo 'export XDG_RUNTIME_DIR=\"/run/user/1000\"' >> /home/{username}/.bashrc")
os.system(f"arch-chroot /mnt chown -R {username} /home/{username}")
os.system(f"arch-chroot /mnt systemctl enable gdm")
os.system(f"cp -r /mnt/var/lib/pacman/* /mnt/usr/share/ast")
os.system("btrfs sub snap -r /mnt /mnt/.snapshots/snapshot-1")
os.system("btrfs sub del /mnt/.etc/etc-tmp")
os.system("btrfs sub del /mnt/.var/var-tmp")
os.system("btrfs sub del /mnt/.boot/boot-tmp")
os.system("btrfs sub create /mnt/.etc/etc-tmp")
os.system("btrfs sub create /mnt/.var/var-tmp")
os.system("btrfs sub create /mnt/.boot/boot-tmp")
# os.system("cp --reflink=auto -r /mnt/var/* /mnt/.var/var-tmp")
os.system("mkdir -p /mnt/.var/var-tmp/lib/{pacman,systemd}")
os.system("cp --reflink=auto -r /mnt/var/lib/pacman/* /mnt/.var/var-tmp/lib/pacman/")
os.system("cp --reflink=auto -r /mnt/var/lib/systemd/* /mnt/.var/var-tmp/lib/systemd/")
os.system("cp --reflink=auto -r /mnt/boot/* /mnt/.boot/boot-tmp")
os.system("cp --reflink=auto -r /mnt/etc/* /mnt/.etc/etc-tmp")
os.system("btrfs sub snap -r /mnt/.var/var-tmp /mnt/.var/var-1")
os.system("btrfs sub snap -r /mnt/.boot/boot-tmp /mnt/.boot/boot-1")
os.system("btrfs sub snap -r /mnt/.etc/etc-tmp /mnt/.etc/etc-1")
os.system("btrfs sub snap /mnt/.snapshots/snapshot-1 /mnt/.snapshots/snapshot-tmp")
def DesktopKde():
os.system(f"echo '1' > /mnt/etc/astpk.d/astpk-csnapshot")
os.system(f"echo '1' > /mnt/etc/astpk.d/astpk-cetc")
os.system("pacstrap /mnt flatpak plasma xorg kde-applications sddm pipewire pipewire-pulse sudo")
clear()
print("Enter username (all lowercase, max 8 letters)")
username = input("> ")
while True:
print("did your set username properly (y/n)?")
reply = input("> ")
if reply.casefold() == "y":
break
else:
print("Enter username (all lowercase, max 8 letters)")
username = input("> ")
os.system(f"arch-chroot /mnt useradd {username}")
os.system(f"arch-chroot /mnt passwd {username}")
while True:
print("did your password set properly (y/n)?")
reply = input("> ")
if reply.casefold() == "y":
break
else:
os.system(f"arch-chroot /mnt passwd {username}")
os.system(f"arch-chroot /mnt usermod -aG audio,input,video,wheel {username}")
os.system(f"arch-chroot /mnt passwd -l root")
os.system(f"chmod +w /mnt/etc/sudoers")
os.system(f"echo '%wheel ALL=(ALL:ALL) ALL' >> /mnt/etc/sudoers")
os.system(f"echo '[Theme]' > /mnt/etc/sddm.conf")
os.system(f"echo 'Current=breeze' >> /mnt/etc/sddm.conf")
os.system(f"chmod -w /mnt/etc/sudoers")
os.system(f"arch-chroot /mnt mkdir /home/{username}")
os.system(f"echo 'export XDG_RUNTIME_DIR=\"/run/user/1000\"' >> /home/{username}/.bashrc")
os.system(f"arch-chroot /mnt chown -R {username} /home/{username}")
os.system(f"arch-chroot /mnt systemctl enable sddm")
os.system(f"cp -r /mnt/var/lib/pacman/* /mnt/usr/share/ast")
os.system("btrfs sub snap -r /mnt /mnt/.snapshots/snapshot-1")
os.system("btrfs sub del /mnt/.etc/etc-tmp")
os.system("btrfs sub del /mnt/.var/var-tmp")
os.system("btrfs sub del /mnt/.boot/boot-tmp")
os.system("btrfs sub create /mnt/.etc/etc-tmp")
os.system("btrfs sub create /mnt/.var/var-tmp")
os.system("btrfs sub create /mnt/.boot/boot-tmp")
# os.system("cp --reflink=auto -r /mnt/var/* /mnt/.var/var-tmp")
os.system("mkdir -p /mnt/.var/var-tmp/lib/{pacman,systemd}")
os.system("cp --reflink=auto -r /mnt/var/lib/pacman/* /mnt/.var/var-tmp/lib/pacman/")
os.system("cp --reflink=auto -r /mnt/var/lib/systemd/* /mnt/.var/var-tmp/lib/systemd/")
os.system("cp --reflink=auto -r /mnt/boot/* /mnt/.boot/boot-tmp")
os.system("cp --reflink=auto -r /mnt/etc/* /mnt/.etc/etc-tmp")
os.system("btrfs sub snap -r /mnt/.var/var-tmp /mnt/.var/var-1")
os.system("btrfs sub snap -r /mnt/.boot/boot-tmp /mnt/.boot/boot-1")
os.system("btrfs sub snap -r /mnt/.etc/etc-tmp /mnt/.etc/etc-1")
os.system("btrfs sub snap /mnt/.snapshots/snapshot-1 /mnt/.snapshots/snapshot-tmp")
main(args)