mirror of
https://github.com/kevinveenbirkenbach/linux-image-manager.git
synced 2024-09-19 20:43:10 +02:00
115 lines
4.3 KiB
Bash
115 lines
4.3 KiB
Bash
#!/bin/bash
|
|
#
|
|
# Offers base functions for the image management
|
|
#
|
|
# shellcheck disable=SC2034 #Deactivate checking of unused variables
|
|
# shellcheck disable=SC2010 # ls | grep allowed
|
|
# shellcheck source=/dev/null # Deactivate SC1090
|
|
# shellcheck disable=SC2015 # Deactivate bools hints
|
|
# shellcheck disable=SC2154 # Deactivate referenced but not assigned hints
|
|
source "$(dirname "$(readlink -f "${0}")")/../base.sh" || (echo "Loading base.sh failed." && exit 1)
|
|
|
|
# Writes the full partition name
|
|
# @parameter $1 is device path
|
|
# @parameter $2 is the partition number
|
|
echo_partition_name(){
|
|
if [ "${device_path:5:1}" != "s" ]
|
|
then
|
|
echo "$device_path""p""$1"
|
|
else
|
|
echo "$device_path$1"
|
|
fi
|
|
}
|
|
|
|
set_partition_paths(){
|
|
info "Setting partition and mapper paths..."
|
|
boot_partition_path=$(echo_partition_name "1")
|
|
root_partition_path=$(echo_partition_name "2")
|
|
root_mapper_path=$root_partition_path
|
|
}
|
|
|
|
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/linux-image-manager-$(date +%s)/" &&
|
|
info "Create temporary working folder in $working_folder_path" &&
|
|
mkdir -v "$working_folder_path" ||
|
|
error
|
|
}
|
|
|
|
decrypt_root(){
|
|
if [ "$(blkid "$root_partition_path" -s TYPE -o value)" == "crypto_LUKS" ]
|
|
then
|
|
root_partition_uuid=$(blkid "$root_partition_path" -s UUID -o value) &&
|
|
root_mapper_name="linux-image-manager-$root_partition_uuid" &&
|
|
root_mapper_path="/dev/mapper/$root_mapper_name" &&
|
|
info "Decrypting of $root_partition_path is neccessary..." &&
|
|
sudo cryptsetup -v luksOpen "$root_partition_path" "$root_mapper_name" || error
|
|
fi
|
|
}
|
|
|
|
mount_partitions(){
|
|
info "Mount boot and root partition..." &&
|
|
mount -v "$boot_partition_path" "$boot_mount_path" &&
|
|
mount -v "$root_mapper_path" "$root_mount_path" &&
|
|
info "Settind uuid variables..." &&
|
|
root_partition_uuid=$(blkid "$root_partition_path" -s UUID -o value) &&
|
|
boot_partition_uuid=$(blkid "$boot_partition_path" -s UUID -o value) &&
|
|
info "The following mounts refering this setup exist:" && mount | grep "$working_folder_path" ||
|
|
error
|
|
}
|
|
|
|
destructor(){
|
|
info "Cleaning up..."
|
|
info "Unmounting everything..."
|
|
umount -lv "$chroot_dev_pts_mount_path" || warning "Umounting $chroot_dev_pts_mount_path failed!"
|
|
umount -lv "$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 $boot_mount_path failed!"
|
|
info "Deleting mount folders..."
|
|
rmdir -v "$root_mount_path" || warning "Removing $root_mount_path failed!"
|
|
rmdir -v "$boot_mount_path" || warning "Removing $boot_mount_path failed!"
|
|
rmdir -v "$working_folder_path" || warning "Removing $working_folder_path failed!"
|
|
if [ "$(blkid "$root_partition_path" -s TYPE -o value)" == "crypto_LUKS" ]
|
|
then
|
|
info "Trying to close decrypted $root_mapper_name..." &&
|
|
sudo cryptsetup -v luksClose "$root_mapper_name" || warning "Failed."
|
|
fi
|
|
}
|
|
|
|
mount_chroot_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
|
|
}
|
|
|
|
copy_qemu(){
|
|
info "Copy qemu binary..." &&
|
|
cp -v /usr/bin/qemu-arm-static "$root_mount_path""usr/bin/" ||
|
|
error
|
|
}
|
|
|
|
copy_resolve_conf(){
|
|
info "Copy resolve.conf..." &&
|
|
cp --remove-destination -v /etc/resolv.conf "$root_mount_path""etc/" ||
|
|
warning "Failed. Propably there is no internet connection available."
|
|
}
|