Make matrix backups

This commit is contained in:
Salt 2020-06-22 11:05:56 -05:00
parent 05dc022adb
commit 2c91b8cd5d
2 changed files with 43 additions and 0 deletions

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@ -89,4 +89,9 @@
group: "root"
notify: restart synapse
when: not p.stat.exists
- name: Template out backup module
template:
src: "backup.sh"
dest: "/opt/backups/modules/{{ matrix_url }}.sh"
mode: "0600"
become: yes

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@ -0,0 +1,38 @@
#! /bin/bash
#
# synapse.sh
# Backup script for Synapse. 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="$BACKUPSDIR/{{ mcname }}"
retention=7 # 7-day retention period
# Sanity checks
if [ -z "$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 "$OUTDIR" -name \*.tar.gz 2>/dev/null | sort | head -n 1)"
if [ -f "$lastbackup" ]; then
log "Removing old backup: $lastbackup"
rm "$lastbackup"
fi
fi
# WE MAKE BACKUP NOW SERGEI
tar czf "$OUTDIR/{{ matrix_url }}-$(date -Iseconds).tar.gz" "/var/lib/matrix-synapse/" "/etc/matrix-synapse/"