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In between commit Refactoring

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This commit is contained in:
Kevin Veen-Birkenbach 2020-05-15 14:10:24 +02:00
parent 871646bc64
commit 1bd5d5f255
4 changed files with 50 additions and 56 deletions
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16
scripts/image/backup.sh
View File

@ -5,17 +5,7 @@
source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
info "Backupscript for memory devices started..."
echo
info "Actual mounted devices:"
echo
ls -lasi /dev/ | grep -E "sd|mm"
echo
while [ ! -b "$ifi" ]
do
info "Please select the correct device."
question "/dev/:"
read -r device
ifi="/dev/$device"
done
set_device_path
while [ "$path" == "" ]
do
echo "Bitte Backupimagepfad+Namen zu $PWD eingeben:"
@ -27,12 +17,12 @@ while [ "$path" == "" ]
ofi="$PWD/$path.img"
fi
done
info "Input file: $ifi"
info "Input file: $device_path"
info "Output file: $ofi"
question "Please confirm by pushing \"Enter\". To cancel use \"Ctrl + Alt + C\""
read -r bestaetigung && echo "$bestaetigung";
info "Imagetransfer starts. This can take a while..." &&
dd if="$ifi" of="$ofi" bs=1M status=progress || error "\"dd\" failed.";
dd if="$device_path" of="$ofi" bs=1M status=progress || error "\"dd\" failed.";
success "Imagetransfer successfull." && exit 0;

38
scripts/image/base.sh
View File

@ -35,3 +35,41 @@ set_device_path(){
error "$device_path is not valid device."
fi
}
make_mount_folders(){
info "Preparing mount paths..." &&
boot_mount_path="$working_folder_path""boot/" &&
root_mount_path="$working_folder_path""root/" &&
mkdir -v "$boot_mount_path" &&
mkdir -v "$root_mount_path" ||
error
}
make_working_folder(){
working_folder_path="/tmp/raspberry-pi-tools-$(date +%s)/" &&
info "Create temporary working folder in $working_folder_path" &&
mkdir -v "$working_folder_path" ||
error
}
mount_partitions(){
info "Mount boot and root partition..." &&
mount "$boot_partition_path" "$boot_mount_path" &&
mount "$root_partition_path" "$root_mount_path" &&
info "The following mounts refering this setup exist:" && mount | grep "$working_folder_path" ||
error
}
mount_binds(){
info "Mount chroot environments..." &&
chroot_sys_mount_path="$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" "$root_mount_path""/boot" &&
mount --bind /dev "$chroot_dev_mount_path" &&
mount --bind /sys "$chroot_sys_mount_path" &&
mount --bind /proc "$chroot_proc_mount_path" &&
mount --bind /dev/pts "$chroot_dev_pts_mount_path" ||
error
}

19
scripts/image/chroot.sh
View File

@ -7,26 +7,15 @@ info "Starting chroot..."
set_device_path
info "Making mount dir..." &&
mkdir -p /mnt/raspbian ||
error
make_working_folder
make_mount_folders
root_mount_path="/mnt/raspbian"
boot_mount_path="/mnt/raspbian/boot"
set_partition_paths
info "Mount partitions..."
mount -o rw "$boot_partition_path" "$boot_mount_path" ||
mount -o rw "$root_partition_path" "$root_mount_path" &&
error
mount_partitions
info "Mount binds..." &&
mount --bind /dev "$root_mount_path/dev/" &&
mount --bind /sys "$root_mount_path/sys/" &&
mount --bind /proc "$root_mount_path/proc/" &&
mount --bind /dev/pts "$root_mount_path/dev/pts" ||
error
mount_binds
info "ld.so.preload fix" &&
sed -i 's/^/#CHROOT /g' "$root_mount_path/etc/ld.so.preload" ||

33
scripts/image/setup.sh
View File

@ -18,19 +18,15 @@ destructor(){
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 $working_folder failed!"
rmdir -v "$working_folder_path" || warning "Removing $working_folder_path failed!"
}
info "Define variables..."
working_folder="/tmp/raspberry-pi-tools-$(date +%s)/";
info "Checking if root..."
if [ "$(id -u)" != "0" ];then
error "This script must be executed as root!"
fi
info "Create temporary working folder in $working_folder";
mkdir -v "$working_folder"
make_working_folder
info "Configure user..."
question "Please type in a valid username from which the SSH-Key should be copied:" && read -r origin_username;
@ -151,21 +147,10 @@ if [[ -v image_checksum ]]
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"
make_mount_folders
set_partition_paths
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 $device_path?(y/n)" && read -r transfer_image
if [ "$transfer_image" = "y" ]
then
@ -263,16 +248,8 @@ if [ -f "$origin_user_rsa_pub" ]
fi
info "Start chroot procedures..."
info "Mount chroot environments..."
chroot_sys_mount_path="$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 $chroot_dev_pts_mount_path failed."
mount_binds
sed -i 's/^/#CHROOT /g' "$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."