#!/bin/bash
#
# A cron job may call this with a line such as:
#     53 14 * * * sh /home/cldrbackup/backup.sh >/dev/null 2>&1
# It may be configured by an ansible script such as backup-db-playbook.yml
#
# The backups might be made faster by saving the sql file in a fast
# temporary directory (mktemp? /mnt?) -- let's test that at a time
# when Survey Tool is closed and daily backups aren't essential

DATABASE_NAME={{ cldr_database_name }}
FNAME={{ cldr_database_name }}-DUMP-`date +%Y-%m-%d`
RSYNC_DEST={{ cldr_db_backup_destination }}

cd /home/cldrbackup
mysqldump ${DATABASE_NAME} --add-drop-table --create-options --default-character-set=utf8mb4 > ${FNAME}.sql

# Wait until mysqldump is finished before running xz, to minimize db disruption (don't use | pipe)
xz ${FNAME}.sql
rsync -q ${FNAME}.sql.xz ${RSYNC_DEST}