108 lines
2.8 KiB
Bash
108 lines
2.8 KiB
Bash
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#!/bin/sh
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export LANG="UTF-16"
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# v0.6 add finish time prediction
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# v0.5 change + bsd tar
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# v0.4 read with 4m buffer, write with 128k
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# v0.3 added mbuffer to restore
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# v0.2 merge restore/backup script and add parameter handling
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# v0.1 initial version
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### CONFIG ###
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_key="/etc/keyfile"
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_dev="/dev/nsa0"
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_buffer="8G"
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_tapeln="10320" # full tape read/write time in seconds
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### FUNCTIONS ###
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V=0.6
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usage() {
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printf '%s%s\n%s\n%s\n%s\n\n' \
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"$0" ": <mode> <directory>" \
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" -b backup mode" \
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" -r restore mode" \
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" <directory> directory to backup or restore to"
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exit 2
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}
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_src="$(readlink -f "$2")"
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[ -z $_src ] && printf 'File or Directory does not exist: %s\n\n' "$1" && usage
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dates() {
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printf 'Start: %s\nEnd: %s (predicted)\n' "$(date)" "$(date -r $(($(date +%s)+$_tapeln)))"
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}
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backup() {
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printf 'Calculating...\n'
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printf 'Backing up %s with a total size of %s\n' "$_src" "$(du -hs $_src | awk '{ print $1 }')"
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dates
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tar -b 2048 -cf - "$_src" \
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| zstd -T0 \
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| openssl enc -e -pbkdf2 -aes256 -pass file:$_key \
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| mbuffer -v 1 -t -m $_buffer -P 90 -s 4096k \
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| dd of=$_dev ibs=4096k obs=128k
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printf 'End: %s\n' "$(date)"
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}
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restore() {
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printf 'Restoring data to %s (logging to restore.log)\n' "$_src"
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dates | tee restore.log
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dd if=$_dev ibs=128k obs=4096k \
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| openssl enc -d -pbkdf2 -aes256 -pass file:$_key \
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| zstd -T0 -d \
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| mbuffer -v 1 -t -m $_buffer -s 4096k \
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| tar -C "$_src" -b 2048 -xvf - >> restore.log 2>&1
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printf 'End: %s\n' "$(date)" | tee restore.log
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}
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list() {
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printf 'Reading Index\n'
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printf 'Start: %s\n Predicted End: %s\n'\
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"$(date)" "date -r $(($(date +%s)+$_tapeln))"
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dd if=$_dev ibs=128k obs=4096k \
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| openssl enc -d -pbkdf2 -aes256 -pass file:$_key \
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| gtar --zstd -tf /dev/stdin
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date
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}
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### MAIN PROGRAM ###
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blogo() {
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printf '%s%s%s\n\n' \
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'
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______ ____ __
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/_ __/___ _____ ___ / __ )____ ______/ /____ ______
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/ / / __ `/ __ \/ _ \ / __ / __ `/ ___/ //_/ / / / __ \
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/ / / /_/ / /_/ / __/ / /_/ / /_/ / /__/ ,< / /_/ / /_/ /
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/_/ \__,_/ .___/\___/ /_____/\__,_/\___/_/|_|\__,_/ .___/
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/_/ CODEVOID BACKUP TOOL v'"$V"' /_/
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'
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}
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rlogo() {
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printf '%s%s\n\n' \
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'
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______ ____ __
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/_ __/___ _____ ___ / __ \___ _____/ /_____ ________
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/ / / __ `/ __ \/ _ \ / /_/ / _ \/ ___/ __/ __ \/ ___/ _ \
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/ / / /_/ / /_/ / __/ / _, _/ __(__ ) /_/ /_/ / / / __/
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/_/ \__,_/ .___/\___/ /_/ |_|\___/____/\__/\____/_/ \___/
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/_/ CODEVOID BACKUP TOOL v'"$V"
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}
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case $1 in
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-b) blogo;
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backup;
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;;
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-r) rlogo;
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restore;
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;;
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*) usage;
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;;
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esac
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