zammad-docker-compose/containers/zammad-postgresql/backup.sh

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#!/bin/bash
set -e
: "${ZAMMAD_RAILSSERVER_HOST:=zammad-railsserver}"
: "${ZAMMAD_RAILSSERVER_PORT:=3000}"
: "${POSTGRESQL_USER:=postgres}"
: "${POSTGRESQL_HOST:=zammad-postgresql}"
: "${POSTGRESQL_PORT:=5432}"
: "${POSTGRESQL_DB:=zammad_production}"
function check_railsserver_available {
until (echo > /dev/tcp/${ZAMMAD_RAILSSERVER_HOST}/${ZAMMAD_RAILSSERVER_PORT}) &> /dev/null; do
echo "waiting for railsserver to be ready..."
sleep 60
done
}
function zammad_backup {
TIMESTAMP="$(date +'%Y%m%d%H%M%S')"
echo "${TIMESTAMP} - backuping zammad..."
# delete old backups
if [ -d "${BACKUP_DIR}" ] && [ -n "$(ls ${BACKUP_DIR})" ]; then
find ${BACKUP_DIR}/*_zammad_*.gz -type f -mtime +${HOLD_DAYS} -exec rm {} \;
fi
if [ "${NO_FILE_BACKUP}" != "yes" ]; then
# tar files
tar -czf ${BACKUP_DIR}/${TIMESTAMP}_zammad_files.tar.gz ${ZAMMAD_DIR}
fi
#db backup
pg_dump --dbname=postgresql://${POSTGRESQL_USER}@${POSTGRESQL_HOST}:${POSTGRESQL_PORT}/${POSTGRESQL_DB} | gzip > ${BACKUP_DIR}/${TIMESTAMP}_zammad_db.psql.gz
}
if [ "$1" = 'zammad-backup' ]; then
check_railsserver_available
while true; do
zammad_backup
# wait until next backup
sleep ${BACKUP_SLEEP}
done
fi
if [ "$1" = 'zammad-backup-once' ]; then
check_railsserver_available
zammad_backup
fi
if [ "$1" = 'zammad-backup-db' ]; then
NO_FILE_BACKUP="yes"
zammad_backup
fi