179 lines
5 KiB
Bash
Executable file
179 lines
5 KiB
Bash
Executable file
#!/bin/bash
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# WARNING: this script will destroy data on the selected disk.
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# This script does not work out of the box,
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# it is run in the custom arch installer built via
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# https://gitlab.com/kesslermaximilian/arch-pkgs
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#
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# For the exact requirements, see the README at the git repository
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#
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set -uo pipefail
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trap 's=$?; echo "$0: Error on line "$LINENO": $BASH_COMMAND"; exit $s' ERR
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# test internet connectivity
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ping -c 1 -W 2 archlinux.org || (echo "You don't seem to be connected to the internet, aborting." && exit 1)
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### Get infomation from user ###
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hostname=$(dialog --stdout --inputbox "Enter hostname" 0 0) || exit 1
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clear
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: ${hostname:?"hostname cannot be empty"}
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user=$(dialog --stdout --inputbox "Enter username" 0 0) || exit 1
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clear
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: ${user:?"user cannot be empty"}
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disk_password=$(dialog --stdout --passwordbox "Enter disk encryption password" 0 0) || exit 1
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clear
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: ${disk_password:?"password cannot be empty"}
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disk_password2=$(dialog --stdout --passwordbox "Enter disk encryption password again" 0 0) || exit 1
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clear
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[[ "$disk_password" == "$disk_password2" ]] || ( echo "Passwords did not match"; exit 1; )
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user_password=$(dialog --stdout --passwordbox "Enter user (and root) password" 0 0) || exit 1
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clear
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: ${user_password:?"password cannot be empty"}
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user_password2=$(dialog --stdout --passwordbox "Enter user (and root) password again" 0 0) || exit 1
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clear
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[[ "$user_password" == "$user_password2" ]] || ( echo "Passwords did not match"; exit 1; )
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devicelist=$(lsblk -dplnx size -o name,size | grep -Ev "boot|rpmb|loop" | tac)
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device=$(dialog --stdout --menu "Select installation disk" 0 0 0 ${devicelist}) || exit 1
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clear
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#### Got all user input, start with installation now
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# set up all further variables
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REPO_URL="https://mkessler-arch.maximilian-kessler.de"
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cryptlvm="cryptlvm"
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vlgrp="vlgrp"
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mapped_device="/dev/mapper/${cryptlvm}"
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part_boot="${device}p1"
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part_luks="${device}p2"
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part_swap="/dev/${vlgrp}/swap"
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part_root="/dev/${vlgrp}/root"
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part_home="/dev/${vlgrp}/home"
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### Set up logging ###
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exec 1> >(tee "stdout.log")
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exec 2> >(tee "stderr.log")
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timedatectl set-ntp true
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### update mirrors
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echo "Running reflector to update mirrors"
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reflector
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### Setup the disk and partitions ###
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ram_size=$(free --mebi | awk '/Mem:/ {print $2}')
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swap_size=$((ram_size + 1024))M # 1 Gigabyte more swap space than available ram
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root_size=60G
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# creates two partitions: one boot partition and another partition, filling the rest of space
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echo "Creating partitions on ${device}..."
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fdisk "${device}" <<EOF
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g
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n
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+256M
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t
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EFI System
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n
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w
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EOF
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wipefs "${part_boot}"
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wipefs "${part_luks}"
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echo "Setting up luks on ${part_luks}"
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echo "${disk_password}" | cryptsetup luksFormat -q "${part_luks}"
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echo "${disk_password}" | cryptsetup open "${part_luks}" "${cryptlvm}"
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pvcreate "${mapped_device}"
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vgcreate "${vlgrp}" "${mapped_device}"
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lvcreate -L "${swap_size}" "${vlgrp}" -n swap
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lvcreate -L "${root_size}" "${vlgrp}" -n root
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lvcreate -l '99%FREE' "${vlgrp}" -n home
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mkfs.fat -F32 "${part_boot}"
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mkfs.ext4 "${part_root}"
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mkfs.ext4 "${part_home}"
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mkswap "${part_swap}"
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mount "${part_root}" /mnt
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mount "${part_home}" /mnt/home --mkdir
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mount "${part_boot}" /mnt/boot --mkdir
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swapon "${part_swap}"
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echo "Finished setting up luks, lvm and mounted all partitions"
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read -p "Continue with installing packages into /mnt? [y/n]? " -n 1 -r
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echo # (optional) move to a new line
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if [[ ! $REPLY =~ ^[Yy]$ ]]
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then
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exit 1
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fi
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### Install and configure the basic system ###
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echo "Installing packages into /mnt"
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pacman -Sy
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pacstrap /mnt mkessler-desktop
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echo "Configuring mkessler-arch repo in installed system"
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### Set up custom repo on installed system as well
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cat >>/mnt/etc/pacman.conf <<EOF
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[mkessler-arch]
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Server = $REPO_URL
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EOF
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echo "Generating fstab file"
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genfstab -U /mnt >> /mnt/etc/fstab
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echo "Setting hostname"
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echo "${hostname}" > /mnt/etc/hostname
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# I have no idea why this is mounted at this point, but for arch-chroot to work
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# we have to unmount this
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# For now, this is just black magic making this work
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umount /mnt/dev
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echo "Adding user ${user} in new system"
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arch-chroot /mnt useradd --create-home --user-group --shell /usr/bin/zsh --groups wheel,uucp,video,audio,storage,games,input "$user"
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arch-chroot /mnt chsh -s /usr/bin/zsh
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echo "${user}:${user_password}" | chpasswd --root /mnt
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echo "root:${user_password}" | chpasswd --root /mnt
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echo "Installing grub bootloader"
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# install grub (but not main configuration file)
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arch-chroot /mnt grub-install --target=x86_64-efi --efi-directory=/boot --bootloader-id=GRUB
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echo 'Configuring HOOKS in /etc/mkinitcpio.conf and regenerating initramfs'
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sed -i 's/^HOOKS=(base .* fsck)$/HOOKS=(base udev autodetect keyboard keymap consolefont modconf block enrcypt lvm2 resume fsck)/' /mnt/etc/mkinitcpio.conf
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arch-chroot /mnt mkinitcpio -P
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cat <<EOF
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---------------------
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Installed basic packages and setup in /mnt
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Manual configuration is still needed for the following
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- configure grub parameters for cryptvolume and resume hook
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- generate main grub.cfg with grub-mkconfig -o /boot/grub/grub.cfg
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---------------------
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EOF
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