96 lines
2.3 KiB
Bash
96 lines
2.3 KiB
Bash
#!/bin/bash
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backupcfg="/etc/backup.cfg"
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if [ $UID -ne 0 ]; then
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echo "Keine Rootrechte."
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exit 1
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fi
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#test -f "${backupcfg}" && echo "${backupcfg} existiert" && exit 1
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# find all disks
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declare -A disk_tmp=()
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declare -A disk=()
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index=0
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for i in $(find /dev/disk/by-id/ -type l -printf "%P\n" | grep usb | grep -v part | tac ); do
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name="$(readlink -f /dev/disk/by-id/"${i}")"
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if [[ "${name}" =~ *"^[0-9]+$"* ]]; then
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continue
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fi
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if [[ "${name}" == *"dm"* ]]; then
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continue
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fi
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if [[ "${name}" == *"/dev/sr"* ]]; then
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continue
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fi
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if blkid "${name}"|grep -q UUID; then
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size="$(fdisk -l "${name}" | head -n1 | awk '{print $3}')"
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else
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continue
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fi
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size=$(awk "BEGIN { printf(\"%.0f\n\", ${size}); }")
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uuid=$(blkid -o value -s UUID ${name})
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index=$(( index + 1 ))
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disk_tmp+=( [${index}.id]="${i}" [${index}.name]="${name}" [${index}.uuid]="${uuid}" [${index}.size]="${size}" )
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done
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disk_tmp+=( [count]="${index}" )
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if [[ "${disk_tmp[count]}" -eq 0 ]]; then
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echo "No Disk attached."
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exit 1
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fi
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# show devices
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echo "Devices:"
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for i in $(seq 1 "${disk_tmp[count]}"); do
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echo "${disk_tmp[${i}.id]}"
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echo " - uuid: ${disk_tmp[${i}.uuid]}"
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echo " - name: ${disk_tmp[${i}.name]}"
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echo " - size: ${disk_tmp[${i}.size]}"
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done
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# choose device
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found=
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while read -p "Which Device? [${disk_tmp[1.uuid]}]: " output; do
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test -z "${output}" && output="${disk_tmp[1.uuid]}"
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for i in $(seq 1 "${disk_tmp[count]}"); do
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if [[ "${disk_tmp[${i}.id]}" == "${output}" ]] || [[ "${disk_tmp[${i}.name]}" == "${output}" ]] || [[ "${disk_tmp[${i}.uuid]}" == "${output}" ]]; then
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found=1
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id="${disk_tmp[${i}.id]}"
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break
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fi
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done
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[[ "${found}" ]] && break
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echo "${output} not found"
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done
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echo "g
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n
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1
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w
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q" | fdisk "/dev/disk/by-id/${id}"
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UUID=$(blkid -o value -s UUID "/dev/disk/by-id/${id}-part1")
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if ! cryptsetup luksFormat UUID="${UUID}"; then
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echo "Konnte /dev/disk/by-uuid/${UUID} nicht verschluesseln."
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exit 1
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else
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if ! cryptsetup open UUID="${UUID}" "luks-${UUID}"; then
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echo "Konnte /dev/disk/by-uuid/${UUID} nicht verschluesseln."
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exit 1
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fi
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fi
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if ! mkfs.btrfs -f "/dev/mapper/luks-${UUID}"; then
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echo "Konnte /dev/mapper/luks-${UUID} nicht formatieren"
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exit 1
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fi
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cryptsetup close "luks-${UUID}"
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echo "UUID=\"${UUID}\"" > "${backupcfg}"
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echo "Erstellen des Containers fertig."
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