80-udm-backup-ftp.sh

#!/bin/sh

# =============================================================================
# on-boot-script
# (https://github.com/boostchicken/udm-utilities/tree/master/on-boot-script)
# Unifi Dream Machine Backup to FTP
# https://github.com/aessing/udm-backup-ftp
# -----------------------------------------------------------------------------
# Developer.......: Andre Essing (https://www.andre-essing.de/)
#                                (https://github.com/aessing)
#                                (https://twitter.com/aessing)
#                                (https://www.linkedin.com/in/aessing/)
# -----------------------------------------------------------------------------
# THIS CODE AND INFORMATION ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
# EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
# =============================================================================

echo ""
echo "------------------------------------------------------------"
echo " Configure scheduled copy of backups to external FTP server"
echo "------------------------------------------------------------"


ENV_FILE='/mnt/data/udm-backup-ftp/conf.env'
CRON_FILE='/etc/cron.d/udm-backup-ftp'
CRON_SCHEDULE='30 * * * *'


SDN_MOUNT="/mnt/data/unifi-os/unifi/data/backup/autobackup:/backups/unifi:ro"
# you can comment next line to disable protect backup (or if protect is disabled on your UDM)
PROTECT_MOUNT="/mnt/data_ext/unifi-os/unifi-protect/backups:/backups/protect:ro"

CRON_CMD="${CRON_SCHEDULE} podman run -it --rm --name UDM-FTP-Backup --network=host --env-file='$ENV_FILE'"
BACKUP_IMG='docker.io/aessing/udm-backup-ftp'

if [ ! -r "$ENV_FILE" ]; then
    echo "ERROR: File '$ENV_FILE' not found or is not readable!" 1>&2
    echo "Please create it based on 'conf.env.dist' with your own values" 1>&2
    exit 1
fi


if [ -n "${SDN_MOUNT:-}" ]; then
    CRON_CMD="${CRON_CMD} -v \"$SDN_MOUNT\""
fi

if [ -n "${PROTECT_MOUNT:-}" ]; then
    CRON_CMD="${CRON_CMD} -v \"$PROTECT_MOUNT\""
fi

CRON_CMD="${CRON_CMD} ${BACKUP_IMG}"

if [ ! -f "${CRON_FILE:-}" ]; then
    echo "${CRON_CMD}" > ${CRON_FILE}
    chmod 644 ${CRON_FILE}
    /etc/init.d/crond reload ${CRON_FILE}
fi

echo " - done"
echo