kevinveenbirkenbach/linux-image-manager
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Merged raspberry pi tools

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Kevin Veen-Birkenbach 2020-05-02 11:46:39 +02:00
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55
README.md
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@ -55,5 +55,60 @@ Right now the software expects that the *Core System Owner* has on all systems t
| ```bash ./scripts/pushs-local-repositories.sh``` | Pushs all local repositories branches |
| ```encfsctl passwd .encrypted``` | Change the password of the encrypted folder. |
# Raspberry Pi sdc tools
This repository contains some shell scripts to install Arch Linux for the Raspberry Pi on a SD-Card and to backup a SD-Card.
## Todo
- Implement ssh configuration
- Implement wifi automation
## Setup
### SD-Card
#### Guided
To install a Linux distribution manually on a SD card type in:
```bash
bash ./sd_setup.sh
```
#### Piped
To pase the configuration to the program use this syntax:
```bash
(
echo "$USER" # | The username
echo "mmcblk1" # | The device
echo "3" # | The raspberry pi number
echo "arch" # | The operation system
echo "n" # | Force image download
echo "n" # | Transfer image
#echo "n" # ├── Overwrite device before copying
echo "test12345" # | The user password
echo "test12345" # | The root password
echo "example-host" # | The hostname
echo "y" # | Setup Wifi on target system
)| sudo bash ./sd_setup.sh
```
### System
#### Arch
```bash
pacman-key --init
pacman-key --populate archlinuxarm
install -m640 /etc/netctl/examples/wireless-wpa domo-de-kosmopolitoj-wpa
nano domo-de-kosmopolitoj-wpa
netctl start domo-de-kosmopolitoj-wpa
netctl enable domo-de-kosmopolitoj-wpa
```
#### Ubuntu\\Debian
```bash
sudo apt update
sudo apt upgrade
```
## Backup
To backup a SD card type in:
```bash
bash ./sd_backup.sh
```
## License
The ["GNU GENERAL PUBLIC LICENSE Version 3"](./LICENSE.txt) applies to this project.

69
scripts/chroot-to-pi.sh Normal file
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#!/bin/bash
# This script allows you to chroot ("work on")
# the raspbian sd card as if it's the raspberry pi
# on your Ubuntu desktop/laptop
# just much faster and more convenient
# credits: https://gist.github.com/jkullick/9b02c2061fbdf4a6c4e8a78f1312a689
# make sure you have issued
# (sudo) apt install qemu qemu-user-static binfmt-support
# Write the raspbian image onto the sd card,
# boot the pi with the card once
# so it expands the fs automatically
# then plug back to your laptop/desktop
# and chroot to it with this script.
# Invoke:
# (sudo) ./chroot-to-pi.sh /dev/sdb
# assuming /dev/sdb is your sd-card
# if you don't know, when you plug the card in, type:
# dmesg | tail -n30
# Note: If you have an image file instead of the sd card,
# you will need to issue
# (sudo) apt install kpartx
# (sudo) kpartx -v -a 2017-11-29-raspbian-stretch-lite.img
# then
# (sudo) ./chroot-to-pi.sh /dev/mapper/loop0p
# With the vanilla image, you have very little space to work on
# I have not figured out a reliable way to resize it
# Something like this should work, but it didn't in my experience
# https://gist.github.com/htruong/0271d84ae81ee1d301293d126a5ad716
# so it's better just to let the pi resize the partitions
mkdir -p /mnt/raspbian
# mount partition
mount -o rw ${1}2 /mnt/raspbian
mount -o rw ${1}1 /mnt/raspbian/boot
# mount binds
mount --bind /dev /mnt/raspbian/dev/
mount --bind /sys /mnt/raspbian/sys/
mount --bind /proc /mnt/raspbian/proc/
mount --bind /dev/pts /mnt/raspbian/dev/pts
# ld.so.preload fix
sed -i 's/^/#CHROOT /g' /mnt/raspbian/etc/ld.so.preload
# copy qemu binary
cp /usr/bin/qemu-arm-static /mnt/raspbian/usr/bin/
echo "You will be transferred to the bash shell now."
echo "Issue 'exit' when you are done."
echo "Issue 'su pi' if you need to work as the user pi."
# chroot to raspbian
chroot /mnt/raspbian /bin/bash
# ----------------------------
# Clean up
# revert ld.so.preload fix
sed -i 's/^#CHROOT //g' /mnt/raspbian/etc/ld.so.preload
# unmount everything
umount /mnt/raspbian/{dev/pts,dev,sys,proc,boot,}

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scripts/sd_backup.sh Normal file
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#!/bin/bash
echo "Backupscript fuer SD's"
echo "@author KevinFrantz"
echo "@since 2017-03-17"
echo
echo "Liste der aktuell gemounteten Geraete:"
echo
ls -lasi /dev/ | grep "sd"
echo "(Die Liste zeigt nur Geraete an welche auf den Filter /dev/sd* passen)"
echo
while [ \! -b "$ifi" ]
do
echo "Bitte waehlen Sie die korrekte SD-Karte aus:"
echo "/dev/:"
read device
ifi="/dev/$device"
done
while [ "$path" == "" ]
do
echo "Bitte Backupimagepfad+Namen zu $(pwd) eingeben:"
read path
if [ "${path:0:1}" == "/" ]
then
ofi=$path.img
else
ofi=$(pwd)"/"$path.img
fi
done
echo "Inputfile: $ifi"
echo "Outputfile: $ofi"
echo "Bestaetigen Sie mit der Enter-Taste. Zum Abbruch Ctrl + Alt + C druecken"
read bestaetigung
dd if=$ifi of=$ofi bs=1M status=progress

373
scripts/sd_setup.sh Normal file
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#!/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
# Define colors
red_color=$(tput setaf 1)
green_color=$(tput setaf 2)
yellow_color=$(tput setaf 3)
blue_color=$(tput setaf 4)
magenta_color=$(tput setaf 5)
reset_color=$(tput sgr0)
message(){
echo "$1[$2]:${reset_color} $3 ";
}
question(){
message "${magenta_color}" "QUESTION" "$1";
}
info(){
message "${blue_color}" "INFO" "$1";
}
warning(){
message "${yellow_color}" "WARNING" "$1";
}
success(){
message "${green_color}" "SUCCESS" "$1";
}
destructor(){
info "Cleaning up..."
sed -i 's/^#CHROOT //g' "$root_mount_path""etc/ld.so.preload"
umount -v "$chroot_dev_pts_mount_path" || warning "Umounting $chroot_dev_pts_mount_path failed!"
umount -v "$chroot_dev_mount_path" || warning "Umounting $chroot_dev_mount_path failed!"
umount -v "$chroot_proc_mount_path" || warning "Umounting $chroot_proc_mount_path failed!"
umount -v "$chroot_sys_mount_path" || warning "Umounting $chroot_sys_mount_path failed!"
umount -v "$root_mount_path""/boot/" || warning "Umounting $root_mount_path/boot/ failed!"
umount -v "$root_mount_path" || warning "Umounting $root_mount_path failed!"
umount -v "$boot_mount_path" || warning "Umounting $boot_mount_path failed!"
rmdir -v "$root_mount_path" || warning "Removing $root_mount_path failed!"
rmdir -v "$boot_mount_path" || warning "Removing $boot_mount_path failed!"
rmdir -v "$working_folder" || warning "Removing $working_folder failed!"
}
error(){
message "${red_color}" "ERROR" "$1 -> Leaving program."
if [ "$2" != "no_destructor" ]
then
destructor
fi
exit 1;
}
info "Starting setup..."
info "Define variables..."
working_folder="/tmp/raspberry-pi-tools-$(date +%s)/";
info "Define functions..."
info "Create temporary working folder in $working_folder";
mkdir -v "$working_folder"
info "Checking if root..."
if [ "$(id -u)" != "0" ];then
error "This script must be executed as root!"
fi
info "Configure user..."
question "Please type in a valid username from which the SSH-Key should be copied:" && read -r origin_username;
getent passwd "$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 "$image_folder"
fi
info "Selecting sd-card..."
info "Show available devices..."
ls -lasi /dev/ | grep -E "sd|mm"
question "Please type in the name of the correct device: /dev/" && read -r device
sd_card_path="/dev/$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 $sd_card_path*\"."
fi
question "Select which Raspberry Pi version should be used:" && read -r version
info "Selecting operating system should be used..."
info "Available systems:"
echo
echo "1) arch"
echo "2) moode"
echo "3) retropie"
echo
question "Please type in the os:" && read -r os
os_does_not_support_raspberry_version_error () {
error "$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$imagename"
question "Should the image download be forced?(y/n)" && read -r force_image_download
if [ "$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 "$download_url" -P "$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"
}
question "Should the image be transfered to $sd_card_path?(y/n)" && read -r transfer_image
if [ "$transfer_image" = "y" ]
then
question "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 "Start chroot procedures..."
info "Mount chroot environments..."
chroot_sys_mount_path="$root_mount_path""sys/"
chroot_proc_mount_path="$root_mount_path""proc/"
chroot_dev_mount_path="$root_mount_path""dev/"
chroot_dev_pts_mount_path="$root_mount_path""dev/pts"
mount --bind "$boot_mount_path" "$root_mount_path""/boot" || error "Mounting $chroot_dev_mount_path failed."
mount --bind /dev "$chroot_dev_mount_path" || error "Mounting $chroot_dev_mount_path failed."
mount --bind /sys "$chroot_sys_mount_path" || error "Mounting $chroot_sys_mount_path failed."
mount --bind /proc "$chroot_proc_mount_path" || error "Mounting $chroot_proc_mount_path failed."
mount --bind /dev/pts "$chroot_dev_pts_mount_path" || error "Mounting $chroot_dev_pts_mount_path failed."
sed -i 's/^/#CHROOT /g' "$root_mount_path""etc/ld.so.preload"
cp -v /usr/bin/qemu-arm-static "$root_mount_path""/usr/bin/" || error "Copy qemu-arm-static failed. The following packages are neccessary: qemu qemu-user-static binfmt-support."
info "Changing passwords on target system..."
question "Type in new password: " && read -r password_1
question "Repeat new password\"$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 "Password change failed."
else
error "Passwords didn't match."
fi
question "Type in the hostname:" && read -r hostname;
echo "$hostname" > "$root_mount_path""etc/hostname" || error "Changing hostname failed."
# question "Do you want to copy all Wifi passwords to the device?(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 $root_mount_path is:" && tree -laL 1 "$root_mount_path"
info "The first level folder structure on $boot_mount_path is:" && tree -laL 1 "$boot_mount_path"
destructor
success "Setup successfull :)" && exit 0