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# CheSSH
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2023-02-23 21:52:25 -05:00
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2023-02-24 17:59:42 -05:00
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CheSSH is a distributed multiplayer implementation of the game of Chess over SSH,
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written in Elixir, with Discord integrations to deliver alerts when players are
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2023-02-25 01:37:52 -05:00
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looking for opponents, or in games when it is one's turn.
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2023-02-23 21:52:25 -05:00
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2023-02-24 18:06:59 -05:00
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https://user-images.githubusercontent.com/25559600/221317658-a80046ca-6009-456d-b43c-67d95baa4bf6.mp4
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2023-02-24 17:59:42 -05:00
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## Usage
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### Dependencies
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+ `npm`
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+ `elixir`
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+ `postgresql`
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+ `redis` (which you can ignore if you only use the ETS backend for Hammer in
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`config/dev.exs` [set by default])
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2023-02-24 17:59:42 -05:00
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### Installation
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Do something among the lines of:
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```
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git clone https://github.com/Simponic/chessh
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cd chessh
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cp .env.example .env
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chmod 0700 .env
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# In one shell (after filling in your .env), start CheSSH
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export $(cat .env | xargs)
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mix ecto.create
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mix ecto.migrate
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iex -S mix
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# In another shell, start the frontend
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export $(cat .env | xargs)
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cd front
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npm install
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npm start
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```
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2023-02-25 01:37:52 -05:00
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## Architecture
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The process of building the pi cluster is wholly contained in the awful
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`buildscripts`, which will individually `ssh` into separate pi's and build the
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services locally there as well as update the load balancer pi's configurations for nginx
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and HAproxy.
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More architecture talk of CheSSH can be found in my (albeit kinda cringe) FSLC
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presentation on Elixir:
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[https://github.com/Simponic/chessh/blob/main/presentation/chessh.org](https://github.com/Simponic/chessh/blob/main/presentation/chessh.org)
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2023-02-24 17:59:42 -05:00
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### Environment Variables (mostly optional)
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+ `REACT_APP_DISCORD_INVITE` is the invite link to the discord server with the
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CheSSH bot
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+ `REACT_APP_DISCORD_OAUTH` is the link (after replacing the GET params) that will
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be used to start OAUTH from the frontend
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+ `CLIENT_REDIRECT_AFTER_OAUTH` & `SERVER_REDIRECT_URI` are self-explanatory
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+ `REACT_APP_SSH_SERVER` and `REACT_APP_SSH_PORT` are used to build the .ssh config
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given to users on the home page of CheSSH after authentication
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+ `NEW_GAME_PINGABLE_ROLE_ID` is the role id of the role to ping when a player is
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looking for an opponent
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+ `REMIND_MOVE_CHANNEL_ID` is the channel id to create private threads with players
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for move reminders and other communications
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+ `NEW_GAME_CHANNEL_ID` is similar to the above
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