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[backup/clean/max_age]

Description[en]=Automatic deletion of backup-files in /var/univention-backup/, of files older than backup/clean/max_age. If unset, no files are deleted. If less than backup/clean/min_backups backup-files exist, no files are deleted.

Description[de]=Automatisches Löschen von Backup-Dateien in /var/univention-backup, die älter als backup/clean/max_age sind. Wenn diese Variable nicht gesetzt ist, werden keine Dateien gelöscht. Wenn weniger als backup/clean/min_backups Backup-Dateien existieren, werden keine Dateien gelöscht.

Type=int

Categories=service-misc

[backup/clean/min_backups]

Description[en]=Automatic deletion of backup-files in /var/univention-backup/: if backup/clean/max_age is set and less than backup/clean/min_backups backup-files exist, no files are deleted. Defaults to 10.

Description[de]=Automatisches Löschen von Backup-Dateien in /var/univention-backup: wenn backup/clean/max_age gesetzt ist und weniger als backup/clean/min_backups Backup-Dateien existieren, werden keine Dateien gelöscht. Standardwert ist 10.

Type=int

Categories=service-misc

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# Univention Common Shell Library

#

# Copyright 2017 Univention GmbH

#

# http://www.univention.de/

#

# All rights reserved.

#

# The source code of this program is made available

# under the terms of the GNU Affero General Public License version 3

# (GNU AGPL V3) as published by the Free Software Foundation.

#

# Binary versions of this program provided by Univention to you as

# well as other copyrighted, protected or trademarked materials like

# Logos, graphics, fonts, specific documentations and configurations,

# cryptographic keys etc. are subject to a license agreement between

# you and Univention and not subject to the GNU AGPL V3.

#

# In the case you use this program under the terms of the GNU AGPL V3,

# the program is provided in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

# GNU Affero General Public License for more details.

#

# You should have received a copy of the GNU Affero General Public

# License with the Debian GNU/Linux or Univention distribution in file

# /usr/share/common-licenses/AGPL-3; if not, see

# <http://www.gnu.org/licenses/>.

# Clean old backups in /var/univention-backup/ that are older than

# backup/clean/max_age, if more than backup/clean/min_backups files exist.

# 1. parameter: a pattern to match files to delete via `find .. -regex ..`

# 2. parameter: override backup/clean/max_age (optional)

#

# Example to cleanup LDAP-backups:

# clean_old_backups 'ldap-backup_*.\(log\|ldif\)'

clean_old_backups () {

	local arg_pattern="$1"

	local arg_max_age="$2"

	[ -z "$arg_pattern" ] && return 1

	eval "$(univention-config-registry shell backup/clean/.*)"

	local backup_dir="/var/univention-backup"

	local pattern="$backup_dir/$arg_pattern"

	local max_age="${arg_max_age:-$backup_clean_max_age}"

	if [ -n "$max_age" ]; then

		echo find "$backup_dir" -type f -mtime "+$max_age" -regex "$pattern"

		local count=$(find "$backup_dir" -type f -mtime "+$max_age" -regex "$pattern" | wc -l)

		if [ "$count" -ge "${backup_clean_min_backups:-10}" ]; then

				find "$backup_dir" -type f -mtime +"$backup_clean_max_age" -regex "$pattern" -delete

		fi

	fi

}

DAYS=365

DAYS=""

find $WHERE -name "samba4_*bz2" -mtime +$DAYS -exec rm  {} \;

clean_old_backups 'samba/\(samba4_\|sysvol\).*.bz2' "$DAYS"

find $WHERE -name "sysvol\.*bz2" -mtime +$DAYS -exec rm  {} \;