piston/docker/execute

#!/usr/bin/env bash

#docker run --rm -it piston /usr/bin/python -V
#docker run --rm -it piston /usr/bin/python3 -V
#docker run --rm -it piston /usr/bin/ruby --version
#docker run --rm -it piston /usr/bin/nodejs --version

if [ -z "$1" ]; then
    echo "invalid args"
    exit
fi
if [ -z "$2" ]; then
    echo "invalid args"
    exit
fi

lang=$1
abs=$2
file=$(basename $abs)

bin=
case "$lang" in
"python2")
    bin=python2
    ;;
"python" | "python3")
    bin=python3
    ;;
"ruby")
    bin=ruby
    ;;
"javascript" | "js" | "node")
    bin=nodejs
    ;;
*)
    echo "invalid language"
    exit
esac

docker run \
    -m 16m \
    --cpus=".5" \
    --rm \
    -v $abs:/$file \
    piston \
    timeout -s HUP 3 $bin /$file 2>&1