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Contest Management System Docker Version

This version is following ioi/cms.

Support

System Support
Ubuntu 20.04 ✅
Ubuntu 22.04 ✅, Need to enable cgroup v1
Windows Subsystem Linux (Ubuntu 22.04) ✅
macOS ⚠️

macOS doesn't support isolate (a.k.a. cmsWorker) running, because cgroups doesn't support macOS.

Architecture

TBD

Requirement

Enable cgroup v1 (Ubuntu 22.04)

Contest Management System is used ioi/isolate for sandbox, which is not supported cgroup v2 yet.

In Ubuntu 22.04, cgroup v1 default is not enabled. You need to enable it and reboot.

#!/bin/bash

echo 'GRUB_CMDLINE_LINUX_DEFAULT="${GRUB_CMDLINE_LINUX_DEFAULT} cgroup_enable=memory swapaccount=1 systemd.unified_cgroup_hierarchy=false systemd.legacy_systemd_cgroup_controller=false"' | sudo tee /etc/default/grub.d/70-cgroup-v1.cfg
sudo update-grub
sudo reboot

After that, you will need to check cgroup v1 is enabled.

mount | grep cgroup

This is success example output.

ubuntu@cms:~$ mount | grep cgroup
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,size=4096k,nr_inodes=1024,mode=755,inode64)
cgroup2 on /sys/fs/cgroup/unified type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,name=systemd)
cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio)
cgroup on /sys/fs/cgroup/rdma type cgroup (rw,nosuid,nodev,noexec,relatime,rdma)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb)
cgroup on /sys/fs/cgroup/misc type cgroup (rw,nosuid,nodev,noexec,relatime,misc)
cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)

Install Docker

Follow this manual to install Docker.

Installation

  1. Clone this project (include submodules)
git clone --recursive https://github.com/tico88612/cms-docker.git

  1. If you want to change worker number, edit config/cms.conf and docker-compose.yml

  2. Copy .env.example to .env and edit CMS_SECRET_KEY, CMS_ADMIN_PASSWORD, CMS_RANKING_PASSWORD etc. (Contest has not been created yet, don't touch CMS_CONTEST_ID before creating the contest.)

cp .env.example .env
vim .env # Edit .env
  1. Build cms-base:latest image.
# Docker build
docker build -f images/cms-base/Dockerfile . -t cms-base:latest
# If you have install Buildx, you can try this
docker buildx build -f images/cms-base/Dockerfile . -t cms-base:latest
  1. Up all service
docker compose up -d
  1. Login to Admin system & Create contest.
Contest: http://localhost:8888
Admin: http://localhost:8889
Ranking: http://localhost:8890
  1. Have fun!

Other & TO-DO List

Pull Request Welcome!

  • GitHub Action Build & Push Image
  • Helm Chart Version (Kubernetes)

Reference project