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Architecture + +``` + +----------------+ + /-----> | Compute Node 1 | + | +----------------+ ++--------+ +-----------+ | +----------------+ +| Client | ----> | Head Node | ----|------> | Compute Node 2 | ++--------+ +-----------+ | +----------------+ + | +----------------+ + \-----> | Compute Node n | + +----------------+ +``` + + diff --git a/config.toml b/config.toml new file mode 100644 index 0000000..fdc15e2 --- /dev/null +++ b/config.toml @@ -0,0 +1,5 @@ +[node] +role = "HeadNode" + +[log] +level = "debug" diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..2b7c91e --- /dev/null +++ b/flake.lock @@ -0,0 +1,93 @@ +{ + "nodes": { + "flake-parts": { + "inputs": { + "nixpkgs-lib": "nixpkgs-lib" + }, + "locked": { + "lastModified": 1725234343, + "narHash": "sha256-+ebgonl3NbiKD2UD0x4BszCZQ6sTfL4xioaM49o5B3Y=", + "owner": "hercules-ci", + "repo": "flake-parts", + "rev": "567b938d64d4b4112ee253b9274472dc3a346eb6", + "type": "github" + }, + "original": { + "owner": "hercules-ci", + "repo": "flake-parts", + "type": "github" + } + }, + "nixpkgs": { + "locked": { + "lastModified": 1725103162, + "narHash": "sha256-Ym04C5+qovuQDYL/rKWSR+WESseQBbNAe5DsXNx5trY=", + "owner": "nixos", + "repo": "nixpkgs", + "rev": "12228ff1752d7b7624a54e9c1af4b222b3c1073b", + "type": "github" + }, + "original": { + "owner": "nixos", + "ref": "nixos-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "nixpkgs-lib": { + "locked": { + "lastModified": 1725233747, + "narHash": "sha256-Ss8QWLXdr2JCBPcYChJhz4xJm+h/xjl4G0c0XlP6a74=", + "type": "tarball", + "url": "https://github.com/NixOS/nixpkgs/archive/356624c12086a18f2ea2825fed34523d60ccc4e3.tar.gz" + }, + "original": { + "type": "tarball", + "url": "https://github.com/NixOS/nixpkgs/archive/356624c12086a18f2ea2825fed34523d60ccc4e3.tar.gz" + } + }, + "nixpkgs_2": { + "locked": { + "lastModified": 1725103162, + "narHash": "sha256-Ym04C5+qovuQDYL/rKWSR+WESseQBbNAe5DsXNx5trY=", + "owner": "nixos", + "repo": "nixpkgs", + "rev": "12228ff1752d7b7624a54e9c1af4b222b3c1073b", + "type": "github" + }, + "original": { + "owner": "nixos", + "ref": "nixos-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "flake-parts": "flake-parts", + "nixpkgs": "nixpkgs", + "treefmt-nix": "treefmt-nix" + } + }, + "treefmt-nix": { + "inputs": { + "nixpkgs": "nixpkgs_2" + }, + "locked": { + "lastModified": 1725271838, + "narHash": "sha256-VcqxWT0O/gMaeWTTjf1r4MOyG49NaNxW4GHTO3xuThE=", + "owner": "numtide", + "repo": "treefmt-nix", + "rev": "9fb342d14b69aefdf46187f6bb80a4a0d97007cd", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "treefmt-nix", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..bd7d469 --- /dev/null +++ b/flake.nix @@ -0,0 +1,79 @@ +# Nix flake for reproducible builds & development environments. +# TL;DR: +# either `curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install` +# or https://github.com/DeterminateSystems/nix-installer +# and then `nix build` or `nix develop` + +{ + inputs = { + nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable"; + flake-parts.url = "github:hercules-ci/flake-parts"; + #systems.url = "github:nix-systems/default"; + + # Dev tools + treefmt-nix.url = "github:numtide/treefmt-nix"; + }; + + outputs = inputs: + inputs.flake-parts.lib.mkFlake { inherit inputs; } { + systems = [ "x86_64-linux" ]; + imports = [ + inputs.treefmt-nix.flakeModule + ]; + perSystem = { config, self', pkgs, lib, system, ... }: + let + cargoToml = builtins.fromTOML (builtins.readFile ./Cargo.toml); + nonRustDeps = [ + pkgs.libiconv + pkgs.pkg-config + ]; + rust-toolchain = pkgs.symlinkJoin { + name = "rust-toolchain"; + paths = [ pkgs.rustc pkgs.cargo pkgs.cargo-watch pkgs.rust-analyzer pkgs.rustPlatform.rustcSrc ]; + }; + in + { + # Rust package + packages.default = pkgs.rustPlatform.buildRustPackage { + inherit (cargoToml.package) name version; + nativeBuildInputs = nonRustDeps; + buildInputs = nonRustDeps; + src = ./.; + cargoLock.lockFile = ./Cargo.lock; + }; + + # Rust dev environment + devShells.default = pkgs.mkShell { + inputsFrom = [ + config.treefmt.build.devShell + ]; + shellHook = '' + # For rust-analyzer 'hover' tooltips to work. + export RUST_SRC_PATH=${pkgs.rustPlatform.rustLibSrc} + export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:${pkgs.vulkan-loader}/lib/:${pkgs.wayland}/lib/:${pkgs.libxkbcommon}/lib/ + echo $RUST_SRC_PATH + + echo + echo "Run 'just ' to get started" + just + ''; + buildInputs = nonRustDeps; + nativeBuildInputs = with pkgs; [ + just + rust-toolchain + ]; + RUST_BACKTRACE = 1; + }; + + # Add your auto-formatters here. + # cf. https://numtide.github.io/treefmt/ + treefmt.config = { + projectRootFile = "flake.nix"; + programs = { + nixpkgs-fmt.enable = true; + rustfmt.enable = true; + }; + }; + }; + }; +} diff --git a/justfile b/justfile new file mode 100644 index 0000000..753472f --- /dev/null +++ b/justfile @@ -0,0 +1,14 @@ +default: + @just --list + +# Auto-format the source tree +fmt: + treefmt + +# Run 'cargo run' on the project +run *ARGS: + cargo run {{ARGS}} + +# Run 'cargo watch' to run the project (auto-recompiles) +watch *ARGS: + cargo watch -x "run -- {{ARGS}}" diff --git a/src/config.rs b/src/config.rs new file mode 100644 index 0000000..3c4479f --- /dev/null +++ b/src/config.rs @@ -0,0 +1,52 @@ +use lazy_static::lazy_static; +use serde::Deserialize; +use std::fs; +use std::process::exit; + +#[derive(Debug, Deserialize)] +pub struct NodeConfig { + role: NodeRole, +} + +#[derive(Debug, Deserialize)] +pub enum NodeRole { + HeadNode, + ChildNode, +} + +#[derive(Debug, Deserialize)] +pub struct LogConfig { + pub level: String, +} + +#[derive(Debug, Deserialize)] +pub struct Config { + pub node: NodeConfig, + pub log: LogConfig, +} + +fn load_config() -> Config { + let filename = "config.toml"; + let contents = match fs::read_to_string(filename) { + Ok(c) => c, + Err(_) => { + eprintln!("[-][ERROR] Could not read config file `{}`", filename); + exit(1); + } + }; + + let config: Config = match toml::from_str(&contents) { + Ok(conf) => conf, + Err(err) => { + eprintln!("Unable to load data from file `{}`", filename); + eprintln!("[-][ERROR] {}", err.message()); + exit(1); + } + }; + + return config; +} + +lazy_static! { + pub static ref CONFIG: Config = load_config(); +} diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..538e83b --- /dev/null +++ b/src/main.rs @@ -0,0 +1,36 @@ +mod config; + +use crate::config::CONFIG; +use clap::{Parser, Subcommand}; +use log::{debug, info, log, warn}; + +#[derive(Parser)] +#[command(author, version, about)] +#[command(propagate_version = true)] +struct Cli { + #[command(subcommand)] + command: Option, +} + +#[derive(Subcommand)] +enum Commands { + /// Starts uwusched + Start { role: Option }, +} +fn get_type_of(_: &T) -> &'static str { + std::any::type_name::() +} + +fn main() { + std::env::set_var("RUST_LOG", CONFIG.log.level.clone()); + pretty_env_logger::init(); + // debug!("{:?}", CONFIG.node); + let cli = Cli::parse(); + + match &cli.command { + Some(Commands::Start { role }) => { + debug!("{:#?}", role) + } + None => {} + } +}