96 lines
2.8 KiB
Bash
Executable File
96 lines
2.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# run as root
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export euid=$(id -u)
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if [ ${euid} -eq 0 ]; then
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echo "Running as root"
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else
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echo "This script should be run as root"
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exit
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fi
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# check if password was set
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if [[ -z "${BORG_PASSPHRASE}" ]]; then
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echo 'BORG_PASSPHRASE is not set, `export BORG_PASSPHRASE=PASS`'
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exit
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fi
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export REMOTE_USER=fileserver@homeserver.box
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export REMOTE_PATH=/srv/data/backup/borg/theseus
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export BORG_REPO=$REMOTE_USER:$REMOTE_PATH
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export BORG_BIN="$(which borg)"
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# some helpers and error handling:
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info() { printf "\n%s %s\n\n" "$( date )" "$*" >&2; }
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trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM
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echo "Starting backup"
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# Backup the most important directories into an archive named after
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# the machine this script is currently running on:
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$BORG_BIN create \
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--verbose \
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--filter AME \
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--list \
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--stats \
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--show-rc \
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--compression zstd,11 \
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--exclude-caches \
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--exclude 'home/*/.cache/*' \
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--exclude 'home/*/Documents/code/compile/*' \
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--exclude '*Cache*' \
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--exclude 'home/*/Download/*' \
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--exclude 'home/*/.local/*' \
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--exclude '*JetBrains/Toolbox/apps*' \
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--exclude '*/.Trash*' \
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--exclude '*/Trash*' \
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--exclude '*/build/*' \
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--exclude '*Steam*' \
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\
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${BORG_REPO}::'{hostname}-{now}' \
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/home \
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/root \
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/etc
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backup_exit=$?
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echo "Pruning repository"
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# Use the `prune` subcommand to maintain 3 daily, 3 weekly and 6 monthly
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# archives of THIS machine. The '{hostname}-*' matching is very important to
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# limit prune's operation to this machine's archives and not apply to
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# other machines' archives also:
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$BORG_BIN prune \
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--list \
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--glob-archives '{hostname}-*' \
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--show-rc \
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--keep-daily 3 \
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--keep-weekly 3 \
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--keep-monthly 6
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prune_exit=$?
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# actually free repo disk space by compacting segments
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echo "Compacting repository"
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$BORG_BIN compact
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compact_exit=$?
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# use highest exit code as global exit code
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global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit ))
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global_exit=$(( compact_exit > global_exit ? compact_exit : global_exit ))
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if [ ${global_exit} -eq 0 ]; then
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echo "Backup, Prune, and Compact finished successfully"
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elif [ ${global_exit} -eq 1 ]; then
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echo "Backup, Prune, and/or Compact finished with warnings"
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else
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echo "Backup, Prune, and/or Compact finished with errors"
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fi
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ssh $REMOTE_USER du -hs $REMOTE_PATH
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exit ${global_exit}
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