gulag is an in-progress osu! server implementation geared towards running production servers - it is developed primarily by Akatsuki with our long-term goal being to replace our current Ripple stack with something more easily maintainable, reliable, scalable, and feature-rich.
# clone the repository & init the submodules
git clone https://github.com/cmyui/gulag.git && cd gulag
# clone the submodules (oppai-ng)
git submodule init && git submodule update
# python3.9 is often not available natively
# https://github.com/deadsnakes/python3.9
sudo add-apt-repository ppa:deadsnakes/ppa
# install project requirements (separate programs)
sudo apt install python3.9 python3.9-dev python3.9-distutils \
mysql-server redis-server nginx build-essential certbot
# install pip for python3.9
wget https://bootstrap.pypa.io/get-pip.py
python3.9 get-pip.py && rm get-pip.py
# install gulag's python requirements
python3.9 -m pip install -U pip setuptools \
-r requirements.txt
# setup pre-commit's git hooks
# https://pre-commit.com/
pre-commit install
######################################
# NOTE: before continuing, create an #
# empty database in mysql for gulag #
######################################
# import gulag's mysql structure
mysql -u your_sql_username -p your_db_name < migrations/base.sql
# generate an ssl certificate for your domain (change email & domain)
sudo certbot certonly \
--manual \
--preferred-challenges=dns \
--email your@email.com \
--server https://acme-v02.api.letsencrypt.org/directory \
--agree-tos \
-d *.your.domain
# copy our nginx config to `sites-enabled` & open for editing
sudo cp ext/nginx.conf /etc/nginx/sites-enabled/gulag.conf
sudo nano /etc/nginx/sites-enabled/gulag.conf
##########################################
# NOTE: before continuing, make sure you #
# have completely configured the file. #
##########################################
# reload the reverse proxy's config
sudo nginx -s reload
# create a config file from the sample & open it for editing
cp .env.example .env
nano .env
##########################################
# NOTE: before continuing, make sure you #
# have completely configured the file. #
##########################################
# start the server
./main.py.
├── app # the server - logic, classes and objects
| ├── api # code related to handling external requests
| | ├── domains # endpoints that can be reached from externally
| | | ├── api.py # endpoints available @ https://api.ppy.sh
| | | ├── ava.py # endpoints available @ https://a.ppy.sh
| | | ├── cho.py # endpoints available @ https://c.ppy.sh
| | | ├── map.py # endpoints available @ https://b.ppy.sh
| | | └── osu.py # endpoints available @ https://osu.ppy.sh
| | |
| | ├── init_api.py # logic for putting the server together
| | └── middlewares.py # logic that wraps around the endpoints
| |
| ├── constants # logic & data for constant server-side classes & objects
| | ├── clientflags.py # anticheat flags used by the osu! client
| | ├── gamemodes.py # osu! gamemodes, with relax/autopilot support
| | ├── mods.py # osu! gameplay modifiers
| | ├── privileges.py # privileges for players, globally & in clans
| | └── regexes.py # regexes used throughout the codebase
| |
| ├── objects # logic & data for dynamic server-side classes & objects
| | ├── achievement.py # representation of individual achievements
| | ├── beatmap.py # representation of individual map(set)s
| | ├── channel.py # representation of individual chat channels
| | ├── clan.py # representation of individual clans
| | ├── collection.py # collections of dynamic objects (for in-memory storage)
| | ├── match.py # individual multiplayer matches
| | ├── menu.py # (WIP) concept for interactive menus in chat channels
| | ├── models.py # structures of api request bodies
| | ├── player.py # representation of individual players
| | └── score.py # representation of individual scores
| |
| ├── state # objects representing live server-state
| | ├── cache # data saved for optimization purposes
| | ├── services # instances of 3rd-party services (e.g. databases)
| | └── sessions # active sessions (players, channels, matches, etc.)
| |
| ├── bg_loops.py # loops running while the server is running
| ├── commands.py # commands available in osu!'s chat
| └── packets.py # a module for (de)serialization of osu! packets
|
├── ext # external entities used when running the server
├── migrations # database migrations - updates to schema
├── tools # various tools made throughout gulag's history
├── main.py # an entry point (script) to run the server
└── settings.py # manages configuration values from the user