backup-docker/entrypoint.sh

#!/usr/bin/env sh 

set -e

[ -z "${RCLONE_REMOTE}" ] && echo "\$RCLONE_REMOTE is not set" && exit 1
[ -z "${RCLONE_CONFIG}" ] && echo "\$RCLONE_CONFIG is not set" && exit 1

if [ -z "${ENC_PASSWORD}" ]; then 
    RESTIC_PASSWORD="${ENC_PASSWORD}"
elif [ -z "${ENC_PASSWORD_FILE}" ]; then
    RESTIC_PASSWORD=$(cat "$ENC_PASSWORD_FILE")
else
    echo "\$ENC_PASSWORD or \$ENC_PASSWORD_FILE is not set" && exit 1
fi

if [ -z "${MYSQL_PASSWORD}" ]; then 
    MYSQL_PASSWORD_ACTUAL="${MYSQL_PASSWORD}"
elif [ -z "${MYSQL_PASSWORD_FILE}" ]; then
    MYSQL_PASSWORD_ACTUAL=$(cat "$MYSQL_PASSWORD_FILE")
fi

mkdir -p /backup/sqlDump

for db in $(echo "$MYSQL_DUMP_DB" | sed 's/,/\n/g')
do
    echo "Dumping db: $db"
    mysqldump --compact -P 3306 --host "$MYSQL_HOST" -u "$MYSQL_USERNAME" "-p$MYSQL_PASSWORD_ACTUAL" "$db" > "/backup/sqlDump/$db.sql"
done

export RESTIC_PASSWORD

restic -r "rclone:$RCLONE_REMOTE" --verbose backup "/backup"