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

dir="$( cd "$( dirname "$0" )" && pwd )"

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

lang=$1
filepath=$(realpath $2)
file=$(basename $2)

bin=
case "$lang" in
"python2")
    bin=executor_python2
    ;;
"python" | "python3")
    bin=executor_python3
    ;;
"ruby")
    bin=executor_ruby
    ;;
"javascript" | "js" | "node")
    bin=executor_node
    ;;
"c")
    bin=executor_c
    ;;
"cpp" | "c++")
    bin=executor_cpp
    ;;
"go")
    bin=executor_go
    ;;
*)
    echo "invalid language"
    exit
esac

docker run \
    -m 64m \
    --network none \
    --cpus=".2" \
    --rm \
    --log-driver none \
    -v $filepath:/$file:ro \
    -v $dir/executors/python2:/executor_python2:ro \
    -v $dir/executors/python3:/executor_python3:ro \
    -v $dir/executors/ruby:/executor_ruby:ro \
    -v $dir/executors/node:/executor_node:ro \
    -v $dir/executors/c:/executor_c:ro \
    -v $dir/executors/cpp:/executor_cpp:ro \
    -v $dir/executors/go:/executor_go:ro \
    piston \
    runuser \
        -l runner \
        -c "/$bin /$file $file | head -c 65536 2>&1"

rm -f /tmp/$file