start.sh

#!/bin/bash

ACCESS_KEY=${ACCESS_KEY:?"ACCESS_KEY env variable is required"}
SECRET_KEY=${SECRET_KEY:?"SECRET_KEY env variable is required"}
S3_PATH=${S3_PATH:?"S3_PATH env variable is required"}
STORAGE_CLASS=${STORAGE_CLASS:-STANDARD}
DATA_PATH=${DATA_PATH:-/data/}
CRON_SCHEDULE=${CRON_SCHEDULE:-0 1 * * *}

echo "access_key=$ACCESS_KEY" >> /root/.s3cfg
echo "secret_key=$SECRET_KEY" >> /root/.s3cfg

if [[ "$1" == 'no-cron' ]]; then
    exec s3cmd sync --verbose "$DATA_PATH" "$S3_PATH" --storage-class=$STORAGE_CLASS "$EXTRAOPTS"
elif [[ "$1" == 'restore' ]]; then
    exec s3cmd sync --verbose "$S3_PATH" "$DATA_PATH"
else
    echo "$CRON_SCHEDULE s3cmd sync \"$DATA_PATH\" \"$S3_PATH\" --storage-class=$STORAGE_CLASS \"$EXTRAOPTS\"" | crontab -
    exec cron -f
fi