33 lines
870 B
Bash
Executable file
33 lines
870 B
Bash
Executable file
#!/bin/bash
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# Backup script for Calibre-web in a kubernetes cluster
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BACKUP_DEST='/mnt/PRIVATE_DOCS/BACKUPS/calibre-web'
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DATABASE_FILE='/config/app.db'
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# Create filename for database backup
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database_backupfile="calibre-web-app_$(date +'%Y%m%d').db"
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# Retrieve container name
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base_container="$( docker ps --format '{{.Names}}' | grep tkioskje-calibre-web_tkioskje-calibre-web )"
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# Abort entire script if any command fails
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set -e
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# Database backup
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>&2 echo 'Backing up database'
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docker cp "${base_container}":"${DATABASE_FILE}" "${BACKUP_DEST}/${database_backupfile}"
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# Backup cleanup
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# Only keep 30 most recent backups
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>&2 echo 'Cleaning up old database backups'
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pushd "${BACKUP_DEST}"
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excess="$( ls -x | head -n -30 )"
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if [ -n "${excess}" ]; then
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>&2 echo "Removing ${excess}"
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rm "${excess}"
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else
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>&2 echo 'Skipping: nothing to remove'
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fi
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popd
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>&2 echo 'Done'
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