#!/bin/bash
# Backup script for Nextcloud in a kubernetes cluster

BACKUP_DEST=/mnt/APPS/git/backups

# Retrieve container names
nextcloud_container=$( docker ps --format "{{.Names}}" | grep hugocloud-nextcloud_hugocloud-nextcloud )
database_container=$( docker ps --format "{{.Names}}" | grep hugocloud-postgresql_hugocloud-postgresql )

# Abort entire script if any command fails
set -e

# Turn on maintenance mode
docker exec --user www-data "${nextcloud_container}" php occ maintenance:mode --on

# Database backup
>&2 echo "Backing up database"
docker exec --env-file ./evars.txt "${database_container}" pg_dump "nextcloud" -cwv -h "localhost" -U "nextcloud" -f /tmp/nextcloud-sqlbkp_`date +"%Y%m%d"`.bak
docker cp "${database_container}":/tmp/nextcloud-sqlbkp_$(date +"%Y%m%d").bak /mnt/APPS/git/backups

# Turn off maintenance mode
docker exec --user www-data "${nextcloud_container}" php occ maintenance:mode --off

>&2 echo "Done"