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54 lines
2.4 KiB
54 lines
2.4 KiB
#!/bin/bash
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# author: phga
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# date: 2020-10-07
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# desc: short rudimentary script to create backups for my bachelor thesis
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# and push them onto a webdav share
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# required: ripgrep (rg), otherwise change lines 22, 23 to your grep alternative
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# that supports capture groups
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# gpg encrypted password for nextcloud in same dir as script (./backup_ba_pw.gpg)
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me=$(dirname "$0")
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tmp_path=$(mktemp -d)
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today=$(date +%Y-%m-%d)
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archive_name_full="${today}_BA_full.tgz"
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archive_name_part="${today}_BA_part.tgz"
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# exclude .git, etc.
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tar_cmd="tar --exclude-vcs -czf"
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# CHANGE THESE TO YOUR REQUIRED DIRS/FILES/PATHS/URLS/USERS
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part_backup_files="/home/phga/sync/docs/study/BA/proposal /home/phga/sync/docs/study/BA/BA_WIP.org"
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full_backup_files="/home/phga/sync/docs/study/BA"
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backup_path="https://nx.phga.de/remote.php/dav/files/toerd/external/no_sync/backups/study_backups/BA/"
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nxt_user=toerd
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# PASSWORD: see desc in header (./backup_ba_pw.gpg)
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# get latest backup date (from filename, order in webdav seems to be asc - lucky for us)
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last_full_backup=$(curl -s -u toerd:$(gpg -d $me/backup_ba_pw.gpg) -X PROPFIND "$backup_path" | rg -o -e "(\d{4}-\d{2}-\d{2})_BA_full" -r '$1' | tail -1)
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last_part_backup=$(curl -s -u toerd:$(gpg -d $me/backup_ba_pw.gpg) -X PROPFIND "$backup_path" | rg -o -e "(\d{4}-\d{2}-\d{2})_BA_part" -r '$1' | tail -1)
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datediff_full_backup=$((($(date +%s) - $(date -d $last_full_backup +%s)) / (3600 * 24)))
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# Info output
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echo --------------------------------------
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echo Last full backup was $datediff_full_backup days ago
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echo Date last full backup: $last_full_backup
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echo Date last part backup: $last_part_backup
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echo --------------------------------------
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# If 14 days have passed, create a new full backup
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if [ -z $last_full_backup ] || [ $datediff_full_backup -gt 14 ]; then
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$tar_cmd "$tmp_path$archive_name_full" $full_backup_files
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curl -s -u $nxt_user:$(gpg -d $me/backup_ba_pw.gpg) -T "$tmp_path$archive_name_full" "$backup_path$archive_name_full"
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else
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echo "---- No full backup required yet! ----"
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fi
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# if there is no important backup from this day, create one
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if [ -z $last_part_backup ] || [ $today != $last_part_backup ]; then
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$tar_cmd "$tmp_path$archive_name_part" $part_backup_files
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curl -s -u $nxt_user:$(gpg -d $me/backup_ba_pw.gpg) -T "$tmp_path$archive_name_part" "$backup_path$archive_name_part"
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else
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echo "---- No part backup required yet! ----"
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fi
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# remove temp path
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rm -r $tmp_path |