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piston
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file locking

This commit is contained in:
Brian Seymour 2018-11-02 00:21:22 -05:00
parent 208d91c237
commit fb7b684cd9
3 changed files with 10 additions and 4 deletions
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1
.gitignore vendored
View File

@ -1,2 +1,3 @@
api/api api/api
lxc/i lxc/i
lxc/lockfile

7
lxc/execute
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@ -2,6 +2,8 @@
dir="$( cd "$( dirname "$0" )" && pwd )" dir="$( cd "$( dirname "$0" )" && pwd )"
touch $dir/lockfile
if [ -z "$1" ]; then if [ -z "$1" ]; then
echo "invalid args" echo "invalid args"
exit exit
@ -12,7 +14,7 @@ if [ -z "$2" ]; then
fi fi
lang=$1 lang=$1
epoch=$(date +%s%3N) epoch=$(date +%s%N)
basepath="/var/lib/lxc/piston/rootfs" basepath="/var/lib/lxc/piston/rootfs"
filepath="/tmp/$epoch/code.code" filepath="/tmp/$epoch/code.code"
argpath="/tmp/$epoch/args.args" argpath="/tmp/$epoch/args.args"
@ -25,6 +27,8 @@ cat $2 > $basepath$filepath
echo "${@:3}" > $basepath$argpath echo "${@:3}" > $basepath$argpath
# process incrementor # process incrementor
exec 200>$dir/lockfile
flock -x 200
oldinc=$(cat $dir/i | awk '{$1=$1};1') oldinc=$(cat $dir/i | awk '{$1=$1};1')
newinc=$(expr $oldinc + 1) newinc=$(expr $oldinc + 1)
@ -34,6 +38,7 @@ if (( newinc >= 151 )); then
else else
echo $newinc > $dir/i echo $newinc > $dir/i
fi fi
exec 200>&-
bin= bin=
case "$lang" in case "$lang" in

6
lxc/notes.txt
View File

@ -13,11 +13,11 @@ lxc-attach -n piston
export PATH=/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin export PATH=/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/sbin
sed -i 's/http:\/\/archive.ubuntu.com\/ubuntu/http:\/\/mirror.math.princeton.edu\/pub\/ubuntu/' /etc/apt/sources.list sed -i 's/http:\/\/archive.ubuntu.com\/ubuntu/http:\/\/mirror.math.princeton.edu\/pub\/ubuntu/' /etc/apt/sources.list
apt-get update apt-get update
apt-get -y install ubuntu-make
apt-get -y install git tzdata nano dpkg-dev build-essential python python3 ruby nodejs golang php7.2 r-base mono-complete nasm openjdk-8-jdk apt-get -y install git tzdata nano dpkg-dev build-essential python python3 ruby nodejs golang php7.2 r-base mono-complete nasm openjdk-8-jdk
apt-get -y install ubuntu-make
umake swift umake swift
set dir to /opt set dir to /opt/swift/swift-lang
ln -s /opt/swift/usr/bin/swift /usr/bin/swift ln -s /opt/swift/swift-lang/usr/bin/swift /usr/bin/swift
# create users and apply limits # create users and apply limits