system-config/playbooks/roles/borg-backup-server/files/prune-borg-backups.sh
Ian Wienand 4f0bfa6d9d borg-backup-server: add script for pruning borg backups
This adds a script that performs a manual pruning of backup
directories.

Change-Id: I9559bb8aeeef06b95fb9e172a2c5bfb5be5b480e
2021-02-09 11:29:46 +11:00

41 lines
1.1 KiB
Bash

#!/bin/bash
set -e
echo "This script will prune each archive in the backups of all backed up hosts"
echo "Enter 'noop' to test, or 'prune' to actually prune"
read -p "Operation: " borg_op
if [[ ${borg_op} == 'noop' ]]; then
BORG_OP='--dry-run'
elif [[ ${borg_op} == 'prune' ]]; then
BORG_OP=''
else
echo "*** Invalid input"
exit 1
fi
pushd /opt/backups
for u in borg-*; do
BORG_REPO=/opt/backups/$u/backup
sudo BORG_OP=${BORG_OP} BORG_RELOCATED_REPO_ACCESS_IS_OK=y BORG_REPO=${BORG_REPO} -u ${u} -s <<'EOF'
# Look at all archives and strip the timestamp, leaving just the archive names
# We limit the prune by --prefix so each archive is considered separately
archives=$(/opt/borg/bin/borg list ${BORG_REPO} | awk '{$1 = substr($1, 0, length($1)-20); print $1}' | sort | uniq)
for prefix in ${archives};
do
echo
echo
echo "+------"
echo "| Pruning ${BORG_REPO} archive ${prefix}"
echo "+------"
/opt/borg/bin/borg prune --prefix ${prefix} ${BORG_OP} --verbose --list --show-rc --keep-daily 7 --keep-weekly 4 --keep-monthly 12
done
EOF
done