ansible/roles/dokuwiki/templates/backup.sh

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2020-05-03 06:51:31 -05:00
#! /bin/bash
#
# gitea.sh
# Backup script for Gitea. Meant to be sourced by our main backup script
# Copyright (C) 2020 Vintage Salt <rehashedsalt@cock.li>
#
# Distributed under terms of the MIT license.
#
set -e
export OUTDIR="$BACKUPSDIR/{{ dokuwiki_url }}"
retention=7 # 7-day retention period
# Sanity checks
if [ -z "$BACKUPSDIR" ]; then
log "BACKUPSDIR was undefined. Run the main backup script instead of this one."
return 1
fi
if ! [ -d "$OUTDIR" ]; then
if ! mkdir "$OUTDIR"; then
log "Unable to find or create output directory: $OUTDIR"
return 2
fi
fi
# Purge oldest backup if we need to
currentbackupcount="$(ls -1 "$OUTDIR" | wc -l)"
if (( currentbackupcount >= retention )); then
lastbackup="$(find "$OUTDIR" -name \*.tar.gz 2>/dev/null | sort | head -n 1)"
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if [ -f "$lastbackup" ]; then
log "Removing old backup: $lastbackup"
rm "$lastbackup"
fi
fi
# WE MAKE BACKUP NOW SERGEI
tar czf "$OUTDIR/$(date -Iseconds).tar.gz" "{{ dokuwiki_webroot }}"