84 lines
2.6 KiB
Bash
Executable File
84 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# Setting this, so the repo does not need to be given on the commandline:
|
|
export BORG_REPO=/srv/data/backup/borg/homeserver
|
|
|
|
# See the section "Passphrase notes" for more infos.
|
|
export BORG_PASSPHRASE="$(cat /root/secret/borg-homeserver.key)"
|
|
|
|
# some helpers and error handling:
|
|
info() { printf "\n%s %s\n\n" "$( date )" "$*" >&2; }
|
|
trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM
|
|
|
|
info "Starting backup"
|
|
|
|
# Backup the most important directories into an archive named after
|
|
# the machine this script is currently running on:
|
|
|
|
/usr/local/bin/borg create \
|
|
--verbose \
|
|
--filter AME \
|
|
--list \
|
|
--stats \
|
|
--show-rc \
|
|
--compression zstd,11 \
|
|
--exclude-caches \
|
|
--exclude 'home/*/.cache/*' \
|
|
--exclude 'var/tmp/*' \
|
|
--exclude 'var/cache/*' \
|
|
--exclude 'srv/data/backup' \
|
|
--exclude '*/.Trash*' \
|
|
--exclude '*/Trash*' \
|
|
\
|
|
::'{hostname}-{now}' \
|
|
/etc \
|
|
/lib \
|
|
/home \
|
|
/root \
|
|
/var \
|
|
/srv \
|
|
/docker
|
|
|
|
backup_exit=$?
|
|
|
|
info "Pruning repository"
|
|
|
|
# Use the `prune` subcommand to maintain 3 daily, 3 weekly and 6 monthly
|
|
# archives of THIS machine. The '{hostname}-*' matching is very important to
|
|
# limit prune's operation to this machine's archives and not apply to
|
|
# other machines' archives also:
|
|
|
|
/usr/local/bin/borg prune \
|
|
--list \
|
|
--glob-archives '{hostname}-*' \
|
|
--show-rc \
|
|
--keep-daily 3 \
|
|
--keep-weekly 3 \
|
|
--keep-monthly 6
|
|
|
|
prune_exit=$?
|
|
|
|
# actually free repo disk space by compacting segments
|
|
|
|
info "Compacting repository"
|
|
|
|
/usr/local/bin/borg compact
|
|
|
|
compact_exit=$?
|
|
|
|
# use highest exit code as global exit code
|
|
global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit ))
|
|
global_exit=$(( compact_exit > global_exit ? compact_exit : global_exit ))
|
|
|
|
if [ ${global_exit} -eq 0 ]; then
|
|
info "Backup, Prune, and Compact finished successfully"
|
|
elif [ ${global_exit} -eq 1 ]; then
|
|
info "Backup, Prune, and/or Compact finished with warnings"
|
|
else
|
|
info "Backup, Prune, and/or Compact finished with errors"
|
|
fi
|
|
|
|
du -hs $BORG_REPO
|
|
|
|
exit ${global_exit}
|