<tool id="consume_memory" name="Consume memory" version="0.1.0" profile="17.01">
    <command detect_errors="exit_code"><![CDATA[
        python '$consume_mem_script' > output.txt
    ]]></command>
    <configfiles>
        <configfile name="consume_mem_script"><![CDATA[
import sys
import time


consume_mem = ' ' * ${consume_mem_mb} * 1024 * 1024
time.sleep(int(${sleep_time}))
print(sys.getsizeof(consume_mem))
        ]]></configfile>
    </configfiles>
    <inputs>
        <param name="consume_mem_mb" label="memory to consume (in MB)" type="integer" max="8000" value="5000"/>
        <param name="sleep_time" label="Sleep this many seconds after reserving memory" type="integer" value="60"/>
    </inputs>
    <outputs>
        <data name="output" format="txt" from_work_dir="output.txt"/>
    </outputs>
    <help><![CDATA[
Consumes a user-specified amount of memory and then sleeps a user-defined amount of time.
    ]]></help>
</tool>