kevinveenbirkenbach/linux-image-manager
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linux-image-manager/scripts/image/setup.sh

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#!/bin/bash
# shellcheck disable=SC2010 # ls | grep allowed
# shellcheck source=/dev/null # Deactivate SC1090
# shellcheck disable=SC2015 # Deactivate bools hints
# shellcheck disable=SC2154 # Deactivate not referenced link
# @see https://wiki.polaire.nl/doku.php?id=archlinux-raspberry-encrypted
source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
info "Setupscript for images started..."
info "Checking if root..."
if [ "$(id -u)" != "0" ];then
error "This script must be executed as root!"
fi
make_working_folder
info "Configure user..." &&
question "Please type in a valid working username:" && read -r origin_username &&
getent passwd "$origin_username" > /dev/null 2 || error "User $origin_username doesn't exist."
origin_user_home="/home/$origin_username/"
info "Image routine starts..."
image_folder="$origin_user_home""Images/";
info "The images will be stored in \"$image_folder\"."
if [ ! -d "$image_folder" ]; then
info "Folder \"$image_folder\" doesn't exist. It will be created now." &&
mkdir -v "$image_folder" ||
error
fi
set_device_path
if mount | grep -q "$device_path"
then
error "Device $device_path is allready mounted. Umount with \"umount $device_path*\"."
fi
question "Please type in which distribution should be used(e.g.:arch,moode,retropie,manjaro):" && read -r os || error
case "$os" in
"arch")
question "Should the system be encrypted?(y/N)" && read -r encrypt_system
question "Please type in which Raspberry Pi will be used(e.g.:1,2,3,4,aarch64):" && read -r version
base_download_url="http://os.archlinuxarm.org/os/";
case "$version" in
"1")
imagename="ArchLinuxARM-rpi-latest.tar.gz"
;;
*)
imagename="ArchLinuxARM-rpi-$version-latest.tar.gz"
;;
esac
;;
"manjaro")
question "Please type in the version(e.g.:architect,gnome):" && read -r version
case "$version" in
"architect")
image_checksum="6b1c2fce12f244c1e32212767a9d3af2cf8263b2"
base_download_url="https://osdn.net/frs/redir.php?m=dotsrc&f=%2Fstorage%2Fg%2Fm%2Fma%2Fmanjaro%2Farchitect%2F20.0%2F";
imagename="manjaro-architect-20.0-200426-linux56.iso"
;;
"gnome")
image_checksum="d16118207c546c18201703d80b6356b1522b47d0"
base_download_url="https://osdn.net/frs/redir.php?m=dotsrc&f=/storage/g/m/ma/manjaro/gnome/20.0.1/";
imagename="manjaro-gnome-20.0.1-200511-linux56.iso"
;;
esac
;;
"moode")
image_checksum="185cbc9a4994534bb7a4bc2744c78197"
base_download_url="https://github.com/moode-player/moode/releases/download/r651prod/"
imagename="moode-r651-iso.zip";
;;
"retropie")
base_download_url="https://github.com/RetroPie/RetroPie-Setup/releases/download/4.6/";
case "$version" in
"1")
image_checksum="98b4205ad0248d378c6776e20c54e487"
imagename="retropie-buster-4.6-rpi1_zero.img.gz"
;;
"2" | "3")
image_checksum="2e082ef5fc2d7cf7d910494cf0f7185b"
imagename="retropie-buster-4.6-rpi2_rpi3.img.gz"
;;
"4")
image_checksum="9154d998cba5219ddf23de46d8845f6c"
imagename="retropie-buster-4.6-rpi4.img.gz"
;;
esac
;;
esac
info "Generating os-image..."
download_url="$base_download_url$imagename"
image_path="$image_folder$imagename"
question "Should the image download be forced?(y/N)" && read -r force_image_download
if [ "$force_image_download" = "y" ]
then
if [ -f "$image_path" ]
then
info "Removing image $image_path." &&
rm "$image_path" || error "Removing image \"$image_path\" failed."
else
info "Forcing download wasn't neccessary. File $image_path doesn't exist."
fi
fi
info "Start Download procedure..."
if [ -f "$image_path" ]
then
info "Image exist local. Download skipped."
else
info "Image \"$imagename\" doesn't exist under local path \"$image_path\"."
info "Image \"$imagename\" gets downloaded from \"$download_url\"..."
wget "$download_url" -O "$image_path" || error "Download from \"$download_url\" failed."
fi
info "Verifying image..."
if [[ -v image_checksum ]]
then
(info "Checking md5 checksum..." && echo "$image_checksum $image_path"| md5sum -c -) ||
(info "Checking sha1 checksum..." && echo "$image_checksum $image_path"| sha1sum -c -) ||
error "Verification failed. HINT: Force the download of the image."
else
warning "Verification is not possible. No checksum is defined."
fi
make_mount_folders
set_partition_paths
root_filesystem="btrfs" &&
info "The following filesystem will be used if possible:$root_filesystem" || error
question "Should the image be transfered to $device_path?(y/N)" && read -r transfer_image
if [ "$transfer_image" = "y" ]
then
question "Should the partition table of $device_path be deleted?(y/N)" && read -r delete_partition_table
if [ "$delete_partition_table" = "y" ]
then
info "Deleting..." &&
wipefs -a "$device_path" || error
else
info "Skipping partition table deletion..."
fi
overwritte_device_with_zeros
info "Starting image transfer..."
if [ "$os" = "arch" ]
then
info "Deleting partition tables..." &&
wipefs -a "$device_path" &&
info "Creating partitions..." &&
( echo "o" #Type o. This will clear out any partitions on the drive.
echo "p" #Type p to list partitions. There should be no partitions left
echo "n" #Type n,
echo "p" #then p for primary,
echo "1" #1 for the first partition on the drive,
echo "" #Default start sector
echo "+300M" #then type +300M for the last sector.
echo "t" #Type t,
echo "c" #then c to set the first partition to type W95 FAT32 (LBA).
echo "n" #Type n,
echo "p" #then p for primary,
echo "2" #2 for the second partition on the drive,
echo "" #Default start sector
echo "" #Default end sector
echo "w" #Write the partition table and exit by typing w.
)| fdisk "$device_path" || error
info "Format boot partition..." &&
mkfs.vfat "$boot_partition_path" || error
if [ "$encrypt_system" == "y" ]
then
info "Formating $root_partition_path with LUKS..." &&
sudo cryptsetup -v luksFormat -c aes-xts-plain64 -s 512 -h sha512 --use-random -i 1000 "$root_partition_path" &&
decrypt_root || error
fi
info "Format root partition..." &&
mkfs -t "$root_filesystem" "$root_mapper_path" || error
mount_partitions;
info "Root files will be transfered to device..." &&
bsdtar -xpf "$image_path" -C "$root_mount_path" &&
sync ||
error
info "Boot files will be transfered to device..." &&
mv -v "$root_mount_path""boot/"* "$boot_mount_path" ||
error
elif [ "${image_path: -4}" = ".zip" ]
then
info "Transfering .zip file..." &&
unzip -p "$image_path" | sudo dd of="$device_path" bs="$OPTIMAL_BLOCKSIZE" conv=fsync status=progress || error "DD $image_path to $device_path failed." &&
sync ||
error
elif [ "${image_path: -3}" = ".gz" ]
then
info "Transfering .gz file..." &&
gunzip -c "$image_path" | sudo dd of="$device_path" bs="$OPTIMAL_BLOCKSIZE" conv=fsync status=progress &&
sync ||
error
elif [ "${image_path: -4}" = ".iso" ]
then
info "Transfering .iso file..." &&
sudo dd if="$image_path" of="$device_path" bs="$OPTIMAL_BLOCKSIZE" conv=fsync status=progress &&
sync ||
error
else
error "Image transfer for operation system \"$os\" is not supported yet!";
fi
else
info "Skipping image transfer..."
fi
info "Start regular mounting procedure..."
if mount | grep -q "$boot_partition_path"
then
info "$boot_partition_path is allready mounted..."
else
if mount | grep -q "$root_mapper_path"
then
info "$root_mapper_path is allready mounted..."
else
decrypt_root
mount_partitions
fi
fi
fstab_path="$root_mount_path""etc/fstab" &&
info "Seeding UUID to $fstab_path to avoid path conflicts..." &&
sed -i "s/mmcblk0p1/UUID=$boot_partition_uuid/g" "$fstab_path" &&
info "Content of $fstab_path:$(cat "$fstab_path")" || error
info "Define target paths..." &&
target_home_path="$root_mount_path""home/" &&
target_username=$(ls "$target_home_path") &&
target_user_home_folder_path="$target_home_path$target_username/" &&
target_user_ssh_folder_path="$target_user_home_folder_path"".ssh/" &&
target_authorized_keys="$target_user_ssh_folder_path""authorized_keys" &&
question "Should the ssh-key be copied to the image?(y/N)" && read -r copy_ssh_key || error
if [ "$copy_ssh_key" == "y" ]
then
info "Copy ssh key to target..." &&
origin_user_rsa_pub="$origin_user_home"".ssh/id_rsa.pub" || error
if [ -f "$origin_user_rsa_pub" ]
then
mkdir -v "$target_user_ssh_folder_path" || warning "Folder \"$target_user_ssh_folder_path\" exists. Can't be created."
cat "$origin_user_rsa_pub" > "$target_authorized_keys" &&
target_authorized_keys_content=$(cat "$target_authorized_keys") &&
info "$target_authorized_keys contains the following: $target_authorized_keys_content" &&
chown -vR 1000 "$target_user_ssh_folder_path" &&
chmod -v 700 "$target_user_ssh_folder_path" &&
chmod -v 600 "$target_authorized_keys" || error
else
warning "The ssh key \"$origin_user_rsa_pub\" can't be copied to \"$target_authorized_keys\" because it doesn't exist."
fi
else
info "Skipped SSH-key copying.."
fi
info "Start chroot procedures..."
mount_chroot_binds
copy_qemu
copy_resolve_conf
question "Should the password of the standart user \"$target_username\" be changed?(y/N)" && read -r change_password
if [ "$change_password" == "y" ]
then
info "Changing passwords on target system..."
question "Type in new password: " && read -r password_1
question "Repeat new password\"$target_username\"" && read -r password_2
if [ "$password_1" = "$password_2" ]
then
(
echo "(
echo '$password_1'
echo '$password_1'
) | passwd $target_username"
echo "(
echo '$password_1'
echo '$password_1'
) | passwd"
) | chroot "$root_mount_path" /bin/bash || error
else
error "Passwords didn't match."
fi
else
info "Skipped password change..."
fi
hostname_path="$root_mount_path""etc/hostname"
question "Should the hostname be changed?(y/N)" && read -r change_hostname
if [ "$change_hostname" == "y" ]
then
question "Type in the hostname:" && read -r target_hostname;
echo "$target_hostname" > "$hostname_path" || error
else
target_hostname=$(cat "$hostname_path")
info "Skipped hostname change..."
fi
info "Used hostname is: $target_hostname"
case "$os" in
"arch"|"manjaro")
info "Populating keys..." &&
(
echo "yes | pacman-key --init"
echo "yes | pacman-key --populate archlinuxarm"
) | chroot "$root_mount_path" /bin/bash || error
;;
esac
question "Should the system be updated?(y/N)" && read -r update_system
if [ "$update_system" == "y" ]
then
info "Updating system..."
case "$os" in
"arch"|"manjaro")
(
echo "pacman --noconfirm -Syyu"
) | chroot "$root_mount_path" /bin/bash || error
;;
"moode"|"retropie")
(
echo "yes | apt update"
echo "yes | apt upgrade"
) | chroot "$root_mount_path" /bin/bash || error
;;
*)
warning "System update for operation system \"$os\" is not supported yet. Skipped."
;;
esac
fi
if [ "$encrypt_system" == "y" ]
then
# Adapted this instruction for setting up encrypted systems @see https://gist.github.com/gea0/4fc2be0cb7a74d0e7cc4322aed710d38
info "Setup encryption..." &&
info "Installing neccessary software..." &&
echo "pacman --noconfirm -S --needed $(get_packages "server/luks")" | chroot "$root_mount_path" /bin/bash &&
dropbear_root_key_path="$root_mount_path""etc/dropbear/root_key" &&
info "Adding $target_authorized_keys to dropbear..." &&
cp -v "$target_authorized_keys" "$dropbear_root_key_path" &&
#Concerning mkinitcpio warning @see https://gist.github.com/imrvelj/c65cd5ca7f5505a65e59204f5a3f7a6d
mkinitcpio_path="$root_mount_path""etc/mkinitcpio.conf" &&
info "Configuring $mkinitcpio_path..." &&
mkinitcpio_search_modules="MODULES=()" &&
mkinitcpio_replace_modules="MODULES=(g_cdc usb_f_acm usb_f_ecm smsc95xx g_ether)" &&
mkinitcpio_search_binaries="BINARIES=()" &&
mkinitcpio_replace_binaries=$(echo "BINARIES=(/usr/lib/libgcc_s.so.1)"| sed -e 's/[\/&]/\\&/g') &&
mkinitcpio_search_hooks="HOOKS=(base udev autodetect modconf block filesystems keyboard fsck)" &&
mkinitcpio_replace_hooks="HOOKS=(base udev autodetect modconf block sleep netconf dropbear encryptssh filesystems keyboard fsck)" &&
sed -i "s/$mkinitcpio_search_modules/$mkinitcpio_replace_modules/g" "$mkinitcpio_path" &&
sed -i "s/$mkinitcpio_search_binaries/$mkinitcpio_replace_binaries/g" "$mkinitcpio_path" &&
sed -i "s/$mkinitcpio_search_hooks/$mkinitcpio_replace_hooks/g" "$mkinitcpio_path" &&
info "Content of $mkinitcpio_path:$(cat "$mkinitcpio_path")" &&
info "Generating mkinitcpio..." &&
echo "mkinitcpio -vP || exit 1" | chroot "$root_mount_path" /bin/bash &&
fstab_insert_line="UUID=$root_partition_uuid / $root_filesystem defaults,noatime 0 1" &&
info "Configuring $fstab_path..." || error
if grep -q "$fstab_insert_line" "$fstab_path"
then
warning "$fstab_path contains allready $fstab_insert_line - Skipped."
else
echo "$fstab_insert_line" >> "$fstab_path" || error
fi
info "Content of $fstab_path:$(cat "$fstab_path")" &&
crypttab_path="$root_mount_path""etc/crypttab" &&
crypttab_insert_line="$root_mapper_name UUID=$root_partition_uuid none luks" &&
info "Configuring $crypttab_path..." || error
if grep -q "$crypttab_insert_line" "$crypttab_path"
then
warning "$crypttab_path contains allready $crypttab_insert_line - Skipped."
else
echo "$crypttab_insert_line" >> "$crypttab_path" || error
fi
info "Content of $crypttab_path:$(cat "$crypttab_path")" &&
boot_txt_path="$boot_mount_path""boot.txt" &&
cryptdevice_configuration="cryptdevice=UUID=$root_partition_uuid:$root_mapper_name root=$root_mapper_path" || error
if [ -f "$boot_txt_path" ];
then
info "Configuring $boot_txt_path..." &&
boot_txt_delete_line=$(echo "part uuid \${devtype} \${devnum}:2 uuid" | sed -e 's/[]\/$*.^[]/\\&/g') &&
boot_txt_setenv_origin=$(echo "setenv bootargs console=ttyS1,115200 console=tty0 root=PARTUUID=\${uuid} rw rootwait smsc95xx.macaddr=\"\${usbethaddr}\"" | sed -e 's/[]\/$*.^[]/\\&/g') &&
boot_txt_setenv_replace=$(echo "setenv bootargs console=ttyS1,115200 console=tty0 ip=::::$target_hostname:eth0:dhcp $cryptdevice_configuration rw rootwait smsc95xx.macaddr=\"\${usbethaddr}\""| sed -e 's/[\/&]/\\&/g') &&
sed -i "s/$boot_txt_delete_line//g" "$boot_txt_path" &&
sed -i "s/$boot_txt_setenv_origin/$boot_txt_setenv_replace/g" "$boot_txt_path" &&
info "Content of $boot_txt_path:$(cat "$boot_txt_path")" &&
info "Generating..." &&
echo "cd /boot/ && ./mkscr || exit 1" | chroot "$root_mount_path" /bin/bash || error
else
cmdline_txt_path="$boot_mount_path""cmdline.txt" &&
info "Configuring $cmdline_txt_path..." &&
cmdline_search_string=$(echo "root=/dev/mmcblk0p2" | sed -e 's/[\/&]/\\&/g') &&
cmdline_replace_string=$(echo "$cryptdevice_configuration rootfstype=$root_filesystem"| sed -e 's/[\/&]/\\&/g') &&
sed -i "s/$cmdline_search_string/$cmdline_replace_string/g" "$cmdline_txt_path" &&
info "Content of $cmdline_txt_path:$(cat "$cmdline_txt_path")" || error
fi
fi
question "Do you want to setup Wifi on the device?(y/N)" && read -r setup_wifi
if [ "$setup_wifi" = "y" ]
then
question "Please type in the ssid:" && read -r ssid
question "Please type in the psk:" && read -r psk
case "$os" in
"retropie")
wifi_file="$boot_mount_path""wifikeyfile.txt" &&
echo "ssid=\"$ssid\"" > "$wifi_file" &&
echo "psk=\"$psk\"" >> "$wifi_file" || error
;;
*)
warning "Wifi setting for operation system \"$os\" is not supported yet. Skipped."
;;
esac
fi
info "Running system specific procedures..."
if [ "$os" = "retropie" ]
then
question "Should the roms be copied to the system?(y/N)" && read -r copy_roms
if [ "$copy_roms" == "y" ]
then
target_roms_path="$target_user_home_folder_path""/RetroPie/roms/" &&
source_roms_path="$origin_user_home""Games/roms/" &&
info "Copy roms from $source_roms_path to $target_roms_path..." &&
cp -v "$source_roms_path" "$target_roms_path" &&
chown -vR 1000 "$target_roms_path" || error
fi
question "Should the RetroFlag specific procedures be executed?(y/N)" && read -r setup_retroflag
if [ "$setup_retroflag" == "y" ]
then
info "Executing RetroFlag specific procedures..." &&
(
echo 'wget -O - "https://raw.githubusercontent.com/RetroFlag/retroflag-picase/master/install_gpi.sh" | bash'
) | chroot "$root_mount_path" /bin/bash || error
fi
fi
destructor
success "Setup successfull :)" && exit 0
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