Hugo/backups/create_calibre-web_backup.sh
2023-09-03 12:25:37 +02:00

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#!/bin/sh
# Backup script for Calibre-web in a Kubernetes cluster
PROGRAM_NAME='backup_calibre-web'
printlog () {
printf '%s: %s\n' "${PROGRAM_NAME}" "${1}"
}
BACKUP_DEST='/mnt/PRIVATE_DOCS/BACKUPS/calibre-web'
DATABASE_FILE='/config/app.db'
# Create filename for database backup
database_backupfile="calibre-web-app_$( date +'%Y%m%d' ).db"
# Retrieve container name
base_container="$( docker ps --format '{{.Names}}' | grep tkioskje-calibre-web_tkioskje-calibre-web )"
# Abort entire script if any command fails
set -e
# Database backup
printlog 'Backing up database'
docker cp "${base_container}":"${DATABASE_FILE}" "${BACKUP_DEST}/${database_backupfile}"
# Backup cleanup
# Only keep 30 most recent backups
printlog 'Cleaning up old database backups'
find "${BACKUP_DEST}" -type f -mtime +30 -print -delete
printlog 'Done'