raspberry-pi-tools/sd_setup.sh

311 lines
9.9 KiB
Bash

#!/bin/bash
# shellcheck disable=SC2010 # ls | grep allowed
echo "Setupscript for Raspberry Pi devices"
echo
echo "@author Kevin Veen-Birkenbach [kevin@veen.world]"
echo "@since 2017-03-12"
echo
info(){
echo "[INFO]: $1";
}
warning(){
echo "[WARNING]: $1";
}
destructor(){
echo "Cleaning up..."
umount -v "$root_mount_path" "$boot_mount_path" || warning "Umounting $root_mount_path and/or $boot_mount_path failed!"
rm -vr "$working_folder" || warning "Removing $working_folder failed!"
}
error(){
echo "[ERROR]: $1 -> Leaving program."
destructor
exit 1;
}
info "Starting setup..."
info "Define variables..."
working_folder="/tmp/raspberry-pi-tools-$(date +%s)/";
info "Define functions..."
info "Create temporary working folder in $working_folder";
mkdir -v "$working_folder"
info "Checking if root..."
if [ "$(id -u)" != "0" ];then
error "This script must be executed as root!"
fi
info "Configure user..."
echo "Please type in a valid username from which the SSH-Key should be copied:" && read -r origin_username;
getent passwd "$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 "$image_folder"
fi
echo "Select sd-card..."
echo "List of actual mounted devices:"
ls -lasi /dev/ | grep -E "sd|mm"
echo
echo "Please type in the name of the correct sd-card."
echo "/dev/:" && read -r device
sd_card_path="/dev/$device"
if [ ! -b "$sd_card_path" ]
then
error "$sd_card_path is not valid device."
fi
if mount | grep -q "$sd_card_path"
then
error "Device $sd_card_path is allready mounted. Umount with \"umount $sd_card_path*\"."
fi
echo "Select which Raspberry Pi version should be used:" && read -r version
echo "Select which operation system should be used..."
echo
echo "1) arch"
echo "2) moode"
echo "3) retropie"
echo
echo "Please type in the os:" && read -r os
os_does_not_support_raspberry_version_error () {
error "$os for Raspberry Pi Version $version is not supported!";
}
case "$os" in
"arch")
base_download_url="http://os.archlinuxarm.org/os/";
case "$version" in
"1")
imagename="ArchLinuxARM-rpi-latest.tar.gz"
;;
"2" | "3")
imagename="ArchLinuxARM-rpi-2-latest.tar.gz"
;;
"4")
imagename="ArchLinuxARM-rpi-4-latest.tar.gz"
;;
*)
os_does_not_support_raspberry_version_error
;;
esac
;;
"moode")
image_checksum="185cbc9a4994534bb7a4bc2744c78197"
base_download_url="https://github.com/moode-player/moode/releases/download/r651prod/"
imagename="moode-r651-iso.zip";
;;
"retropie")
base_download_url="https://github.com/RetroPie/RetroPie-Setup/releases/download/4.6/";
case "$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"
;;
*)
os_does_not_support_raspberry_version_error
;;
esac
;;
*)
error "The operation system \"$os\" is not supported yet!"
;;
esac
info "Generating os-image..."
download_url="$base_download_url$imagename"
image_path="$image_folder$imagename"
echo "Should the image download be forced?(y/n)" && read -r force_image_download
if [ "$force_image_download" = "y" ]
then
if [ -f "$image_path" ]
then
echo "Removing image $image_path."
rm "$image_path" || error "Removing image \"$image_path\" failed."
else
echo "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 "$download_url" -P "$image_folder" || error "Download from \"$download_url\" failed."
fi
info "Verifying image..."
if [[ -v image_checksum ]]
then
echo "$image_checksum $image_path"| md5sum -c -|| error "Verification failed. HINT: Force the download of the image."
else
warning "Verification is not possible. No checksum is defined."
fi
info "Preparing mount paths..."
boot_mount_path="$working_folder""boot"
root_mount_path="$working_folder""root"
mkdir -v "$boot_mount_path"
mkdir -v "$root_mount_path"
info "Defining partition paths..."
if [ "${sd_card_path:5:1}" != "s" ]
then
partion="p"
else
partion=""
fi
boot_partition_path=$sd_card_path$partion"1"
root_partition_path=$sd_card_path$partion"2"
mount_partitions(){
info "Mount boot and root partition..."
mount "$boot_partition_path" "$boot_mount_path" || error "Mount from $boot_partition_path to $boot_mount_path failed..."
mount "$root_partition_path" "$root_mount_path" || error "Mount from $root_partition_path to $root_mount_path failed..."
info "The following mounts refering this setup exist:" && mount | grep "$working_folder"
}
echo "Should the image be transfered to $sd_card_path?(y/n)" && read -r transfer_image
if [ "$transfer_image" = "y" ]
then
echo "Should $sd_card_path be overwritten with zeros before copying?(y/n)" && read -r copy_zeros_to_device
if [ "$copy_zeros_to_device" = "y" ]
then
info "Overwritting..."
dd if=/dev/zero of="$sd_card_path" bs=1M || error "Overwritting $sd_card_path failed."
else
info "Skipping Overwritting..."
fi
info "Starting image transfer..."
case "$os" in
"arch")
info "Execute fdisk..."
( 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 "" #press ENTER to accept the default first sector,
echo "+100M" #then type +100M 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 "" #and then press ENTER twice to accept the default first and last sector.
echo ""
echo "w" #Write the partition table and exit by typing w.
)| fdisk "$sd_card_path" || error "Creating partitions failed. Try to execute this script with the overwritting parameter."
info "Format boot partition..."
mkfs.vfat "$boot_partition_path" || error "Format boot is not possible."
info "Format root partition..."
mkfs.ext4 "$root_partition_path" || error "Format root is not possible."
mount_partitions;
info "Root files will be transfered to device..."
bsdtar -xpf "$image_path" -C "$root_mount_path"
sync
info "Boot files will be transfered to device..."
mv -v "$root_mount_path/boot/"* "$boot_mount_path"
;;
"moode")
unzip -p "$image_path" | sudo dd of="$sd_card_path" bs=1M conv=fsync || error "DD $image_path to $sd_card_path failed."
sync
;;
"retropie")
gunzip -c "$image_path" | sudo dd of="$sd_card_path" bs=1M conv=fsync
sync
;;
*)
error "Image transfer for operation system \"$os\" is not supported yet!";
;;
esac
else
info "Skipping image transfer..."
fi
info "Start regular mounting procedure..."
if mount | grep -q "$boot_mount_path" && mount | grep -q "$root_mount_path"
then
info "Everything allready mounted. Skipping..."
else
mount_partitions
fi
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$target_username/";
info "Copy ssh key to target..."
target_user_ssh_folder_path="$target_user_home_folder_path"".ssh/"
target_authorized_keys="$target_user_ssh_folder_path""authorized_keys"
origin_user_rsa_pub="$origin_user_home/.ssh/id_rsa.pub";
if [ -f "$origin_user_rsa_pub" ]
then
mkdir -v "$target_user_ssh_folder_path"
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"
else
warning "The ssh key \"$origin_user_rsa_pub\" can't be copied to \"$target_authorized_keys\" because it doesn't exist."
fi
info "Change password of user \"$target_username\"..."
(chroot "$root_mount_path" /bin/passwd "$target_username") || error "Password change for \"$target_username\" wasn't possible."
info "Change password of root user..."
(chroot "$root_mount_path" /bin/passwd root) || error "Password change for \"root\" wasn't possible."
echo "Do you want to copy all Wifi passwords to the sd-card?(y/n)" && read -r copy_wifi
if [ "$copy_wifi" = "y" ]
then
origin_wifi_config_path="/etc/NetworkManager/system-connections/"
target_wifi_config_path="$root_mount_path$origin_wifi_config_path"
rsync -av "$origin_wifi_config_path" "$target_wifi_config_path"
fi
info "The first level folder structure on $root_mount_path is now:" && tree -laL 1 "$root_mount_path"
info "The first level folder structure on $boot_mount_path is now:" && tree -laL 1 "$boot_mount_path"
destructor
info "Setup successfull :)" && exit 0