Salt
27d8b9f88b
Because I, regrettably, do not have backups for the past like month because data got huge
62 lines
1.9 KiB
Bash
62 lines
1.9 KiB
Bash
#! /bin/bash
|
|
#
|
|
# nextcloud.sh
|
|
# Backup script for Nextcloud. 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="$BACKUPSDIR/{{ nextcloud.url }}"
|
|
retention=5 # 5-day retention period
|
|
|
|
# Sanity checks
|
|
if [ -z "$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: $OUTDIR"
|
|
return 2
|
|
fi
|
|
fi
|
|
# Enforce permissions on our output directory
|
|
chown root. "$OUTDIR"
|
|
chmod 770 "$OUTDIR"
|
|
|
|
# Purge oldest backup if we need to
|
|
currentbackupcount="$(ls -1 "$OUTDIR" | wc -l)"
|
|
# Multiplying by three here because our backups are three-parters
|
|
if (( currentbackupcount >= retention * 3 )); then
|
|
lastbackup="$(find "$OUTDIR" -name \*.tar.gz 2>/dev/null | sort | head -n 1)"
|
|
lastbackup="${lastbackup%-*.gz}"
|
|
if [ -f "$file" ]; then
|
|
log "Removing old backups for: $lastbackup"
|
|
for file in "$lastbackup"*; do
|
|
log "Removing old backup part: $file"
|
|
rm "$file"
|
|
done
|
|
fi
|
|
fi
|
|
# WE MAKE BACKUP NOW SERGEI
|
|
if cd "{{ nextcloud_webroot }}"; then
|
|
date="$(date -Iseconds)"
|
|
{% if aws.backup_bucket is defined %}
|
|
# We have an AWS bucket to back straight up to
|
|
log "Piping data backup straight to S3"
|
|
tar czh "/var/nextcloud" --exclude "/var/nextcloud/*/files_trashbin" | aws s3 cp - "s3://{{ aws.backup_bucket }}/{{ nextcloud.url }}/{{ nextcloud.url }}-$date-data.tar.gz" --storage-class STANDARD
|
|
{% else %}
|
|
log "Creating data backup"
|
|
tar czhf "$OUTDIR/{{ nextcloud.url }}-$date-data.tar.gz" "/var/nextcloud" --exclude "/var/nextcloud/*/files_trashbin"
|
|
{% endif %}
|
|
log "Creating webroot backup"
|
|
tar czf "$OUTDIR/{{ nextcloud.url }}-$date-webroot.tar.gz" "{{ nextcloud_webroot }}"
|
|
else
|
|
log "Could not change directory: $OUTDIR"
|
|
return 3
|
|
fi
|
|
|