pep-mklive/dracut/autoinstaller/install.sh

301 lines
8.0 KiB
Bash
Executable File

#!/bin/sh
type getargbool >/dev/null 2>&1 || . /lib/dracut-lib.sh
# These functions pulled from void's excellent mklive.sh
VAI_info_msg() {
printf "\033[1m%s\n\033[m" "$@"
}
VAI_print_step() {
CURRENT_STEP=$((CURRENT_STEP+1))
VAI_info_msg "[${CURRENT_STEP}/${STEP_COUNT}] $*"
}
# ----------------------- Install Functions ------------------------
VAI_welcome() {
clear
printf "=============================================================\n"
printf "================ Peppermintos Auto-Installer ================\n"
printf "=============================================================\n"
}
VAI_get_address() {
mkdir -p /var/lib/dhclient
# This will fork, but it means that over a slow link the DHCP
# lease will still be maintained. It also doesn't have a
# hard-coded privsep user in it like dhcpcd.
dhclient
}
VAI_partition_disk() {
# Paritition Disk
sfdisk "${disk}" <<EOF
,$bootpartitionsize
,${swapsize}K
;
EOF
}
VAI_format_disk() {
# Make Filesystems
mkfs.ext4 -F "${disk}1"
mkfs.ext4 -F "${disk}3"
if [ "${swapsize}" -ne 0 ] ; then
mkswap -f "${disk}2"
fi
}
VAI_mount_target() {
# Mount targetfs
mkdir -p "${target}"
mount "${disk}3" "${target}"
mkdir "${target}/boot"
mount "${disk}1" "${target}/boot"
}
VAI_install_xbps_keys() {
mkdir -p "${target}/var/db/xbps/keys"
cp /var/db/xbps/keys/* "${target}/var/db/xbps/keys"
}
VAI_install_base_system() {
# Install a base system
XBPS_ARCH="${XBPS_ARCH}" xbps-install -Sy -R "${xbpsrepository}" -r /mnt base-system grub
# Install additional packages
if [ -n "${pkgs}" ] ; then
# shellcheck disable=SC2086
XBPS_ARCH="${XBPS_ARCH}" xbps-install -Sy -R "${xbpsrepository}" -r /mnt ${pkgs}
fi
}
VAI_prepare_chroot() {
# Mount dev, bind, proc, etc into chroot
mount -t proc proc "${target}/proc"
mount --rbind /sys "${target}/sys"
mount --rbind /dev "${target}/dev"
}
VAI_configure_sudo() {
# Give wheel sudo
echo "%wheel ALL=(ALL:ALL) ALL" > "${target}/etc/sudoers.d/00-wheel"
chmod 0440 "${target}/etc/sudoers.d/00-wheel"
}
VAI_correct_root_permissions() {
chroot "${target}" chown root:root /
chroot "${target}" chmod 755 /
}
VAI_configure_hostname() {
# Set the hostname
echo "${hostname}" > "${target}/etc/hostname"
}
VAI_configure_rc_conf() {
# Set the value of various tokens
sed -i "s:Europe/Madrid:${timezone}:" "${target}/etc/rc.conf"
sed -i "s:\"es\":\"${keymap}\":" "${target}/etc/rc.conf"
# Activate various tokens
sed -i "s:#HARDWARECLOCK:HARDWARECLOCK:" "${target}/etc/rc.conf"
sed -i "s:#TIMEZONE:TIMEZONE:" "${target}/etc/rc.conf"
sed -i "s:#KEYMAP:KEYMAP:" "${target}/etc/rc.conf"
}
VAI_add_user() {
chroot "${target}" useradd -m -s /bin/bash -U -G wheel,users,audio,video,cdrom,input "${username}"
if [ -z "${password}" ] ; then
chroot "${target}" passwd "${username}"
else
# For reasons that remain unclear, this does not work in musl
echo "${username}:${password}" | chpasswd -c SHA512 -R "${target}"
fi
}
VAI_configure_grub() {
# Set hostonly
echo "hostonly=yes" > "${target}/etc/dracut.conf.d/hostonly.conf"
# Choose the newest kernel
kernel_version="$(chroot "${target}" xbps-query linux | awk -F "[-_]" '/pkgver/ {print $2}')"
# Install grub
chroot "${target}" grub-install "${disk}"
chroot "${target}" xbps-reconfigure -f "linux${kernel_version}"
# Correct the grub install
chroot "${target}" update-grub
}
VAI_configure_fstab() {
# Grab UUIDs
uuid1="$(blkid -s UUID -o value "${disk}1")"
uuid2="$(blkid -s UUID -o value "${disk}2")"
uuid3="$(blkid -s UUID -o value "${disk}3")"
# Installl UUIDs into /etc/fstab
echo "UUID=$uuid3 / ext4 defaults,errors=remount-ro 0 1" >> "${target}/etc/fstab"
echo "UUID=$uuid1 /boot ext4 defaults 0 2" >> "${target}/etc/fstab"
if [ "${swapsize}" -ne 0 ] ; then
echo "UUID=$uuid2 swap swap defaults 0 0" >> "${target}/etc/fstab"
fi
}
VAI_configure_locale() {
# Set the libc-locale iff glibc
case "${XBPS_ARCH}" in
*-musl)
VAI_info_msg "Glibc locales are not supported on musl"
;;
*)
sed -i "/${libclocale}/s/#//" "${target}/etc/default/libc-locales"
chroot "${target}" xbps-reconfigure -f glibc-locales
;;
esac
}
VAI_end_action() {
case $end_action in
reboot)
VAI_info_msg "Rebooting the system"
sync
umount -R "${target}"
reboot -f
;;
shutdown)
VAI_info_msg "Shutting down the system"
sync
umount -R "${target}"
poweroff -f
;;
script)
VAI_info_msg "Running user provided script"
xbps-uhelper fetch "${end_script}>/script"
chmod +x /script
target=${target} xbpsrepository=${xbpsrepository} /script
;;
func)
VAI_info_msg "Running user provided function"
end_function
;;
esac
}
VAI_configure_autoinstall() {
# -------------------------- Setup defaults ---------------------------
bootpartitionsize="500M"
disk="$(lsblk -ipo NAME,TYPE,MOUNTPOINT | awk '{if ($2=="disk") {disks[$1]=0; last=$1} if ($3=="/") {disks[last]++}} END {for (a in disks) {if(disks[a] == 0){print a; break}}}')"
hostname="$(ip -4 -o -r a | awk -F'[ ./]' '{x=$7} END {print x}')"
# XXX: Set a manual swapsize here if the default doesn't fit your use case
swapsize="$(awk -F"\n" '/MemTotal/ {split($0, b, " "); print b[2] }' /proc/meminfo)";
target="/mnt"
timezone="America/Chicago"
keymap="us"
libclocale="en_US.UTF-8"
username="pep"
end_action="shutdown"
end_script="/bin/true"
XBPS_ARCH="$(xbps-uhelper arch)"
case $XBPS_ARCH in
*-musl)
xbpsrepository="https://repo-default.voidlinux.org/current/musl"
;;
*)
xbpsrepository="https://repo-default.voidlinux.org/current"
;;
esac
# --------------- Pull config URL out of kernel cmdline -------------------------
set +e
if getargbool 0 autourl ; then
set -e
xbps-uhelper fetch "$(getarg autourl)>/etc/autoinstall.cfg"
else
set -e
mv /etc/autoinstall.default /etc/autoinstall.cfg
fi
# Read in the resulting config file which we got via some method
if [ -f /etc/autoinstall.cfg ] ; then
VAI_info_msg "Reading configuration file"
. ./etc/autoinstall.cfg
fi
# Bail out if we didn't get a usable disk
if [ -z "$disk" ] ; then
die "No valid disk!"
fi
}
VAI_main() {
CURRENT_STEP=0
STEP_COUNT=16
VAI_welcome
VAI_print_step "Bring up the network"
VAI_get_address
VAI_print_step "Configuring installer"
VAI_configure_autoinstall
VAI_print_step "Configuring disk using scheme 'Atomic'"
VAI_partition_disk
VAI_format_disk
VAI_print_step "Mounting the target filesystems"
VAI_mount_target
VAI_print_step "Installing XBPS keys"
VAI_install_xbps_keys
VAI_print_step "Installing the base system"
VAI_install_base_system
VAI_print_step "Granting sudo to default user"
VAI_configure_sudo
VAI_print_step "Setting hostname"
VAI_configure_hostname
VAI_print_step "Configure rc.conf"
VAI_configure_rc_conf
VAI_print_step "Preparing the chroot"
VAI_prepare_chroot
VAI_print_step "Fix ownership of /"
VAI_correct_root_permissions
VAI_print_step "Adding default user"
VAI_add_user
VAI_print_step "Configuring GRUB"
VAI_configure_grub
VAI_print_step "Configuring /etc/fstab"
VAI_configure_fstab
VAI_print_step "Configuring libc-locales"
VAI_configure_locale
VAI_print_step "Performing end-action"
VAI_end_action
}
# If we are using the autoinstaller, launch it
if getargbool 0 auto ; then
set -e
VAI_main
# Very important to release this before returning to dracut code
set +e
fi