test.sh

#!/bin/bash +x

function export_rc_vars
{
    if [ -f $1 ] ; then
        ONE_VARS=`cat $1 | egrep -e '^[a-zA-Z\-\_0-9]*=' | sed 's/=.*$//'`

        . $1

        for v in $ONE_VARS; do
            export $v
        done
    fi
}

TMP_DIR=/tmp/one-context-tmp
TMP_FILE=$TMP_DIR/one-start-script

curl -o /tmp/context.sh http://169.254.169.254/latest/user-data
export_rc_vars /tmp/context.sh
echo -en "$START_SCRIPT_BASE64" | openssl enc -d -base64 -A > $TMP_FILE