[Add] Nix Flake

This commit is contained in:
Alois 2026-05-16 16:18:53 +02:00
commit d644aaaa6d
2 changed files with 249 additions and 0 deletions

78
flake.lock generated Normal file
View file

@ -0,0 +1,78 @@
{
"nodes": {
"flake-parts": {
"inputs": {
"nixpkgs-lib": "nixpkgs-lib"
},
"locked": {
"lastModified": 1778716662,
"narHash": "sha256-m1Yf0wZ8j1OHjTc2UwHwyQRSnNeSgLJOd7q5Y45hzi4=",
"owner": "hercules-ci",
"repo": "flake-parts",
"rev": "f7c1a2d347e4c52d5fb8d10cb4d94b5884e546fb",
"type": "github"
},
"original": {
"owner": "hercules-ci",
"repo": "flake-parts",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1778443072,
"narHash": "sha256-zi7/fsqM/kFdNuED//4WOCUtezGtKKqRNORjMvfwjnA=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "da5ad661ba4e5ef59ba743f0d112cbc30e474f32",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"nixpkgs-lib": {
"locked": {
"lastModified": 1777168982,
"narHash": "sha256-GOkGPcboWE9BmGCRMLX3worL4EMnsnG8MyKmXNeYuhQ=",
"owner": "nix-community",
"repo": "nixpkgs.lib",
"rev": "f5901329dade4a6ea039af1433fb087bd9c1fe14",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "nixpkgs.lib",
"type": "github"
}
},
"root": {
"inputs": {
"flake-parts": "flake-parts",
"nixpkgs": "nixpkgs",
"ttp": "ttp"
}
},
"ttp": {
"flake": false,
"locked": {
"lastModified": 1778329030,
"narHash": "sha256-qEEPlOuGVco1g6lI/kfEvIZkJmBbjehuchGWPTywR10=",
"rev": "929cb9d3a6aebebe6365973f13062ac2a8e03af6",
"revCount": 115,
"type": "git",
"url": "https://git.methanium.net/Tensamin/TTP.git"
},
"original": {
"rev": "929cb9d3a6aebebe6365973f13062ac2a8e03af6",
"type": "git",
"url": "https://git.methanium.net/Tensamin/TTP.git"
}
}
},
"root": "root",
"version": 7
}

171
flake.nix Normal file
View file

@ -0,0 +1,171 @@
{
description = "Omega";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
flake-parts.url = "github:hercules-ci/flake-parts";
ttp = {
url = "git+https://git.methanium.net/Tensamin/TTP.git?rev=929cb9d3a6aebebe6365973f13062ac2a8e03af6";
flake = false;
};
};
outputs = inputs@{ self, nixpkgs, flake-parts, ttp, ... }:
flake-parts.lib.mkFlake { inherit inputs; } {
systems = [
"x86_64-linux"
"aarch64-linux"
"x86_64-darwin"
"aarch64-darwin"
];
perSystem = { self', pkgs, ... }: {
packages = {
default = self'.packages.omega;
omega = pkgs.rustPlatform.buildRustPackage {
pname = "omega";
version = "0.1.0";
src = ./.;
cargoLock = {
lockFile = ./Cargo.lock;
allowBuiltinFetchGit = true;
};
nativeBuildInputs = with pkgs; [ cmake perl pkg-config ];
buildInputs = with pkgs; [ openssl libmysqlclient ];
dontUseCmakeConfigure = true;
preConfigure = ''
if [ -d ../cargo-vendor-dir/ttp-core-0.1.0 ]; then
cp ${ttp}/ttp-codec.json ../cargo-vendor-dir/ttp-codec.json
fi
'';
};
};
};
flake = {
nixosModules.default = { config, pkgs, lib, ... }:
let
cfg = config.services.omega;
defaultPackage = self.packages.${pkgs.stdenv.hostPlatform.system}.default or (throw "omega: no pre-built package for system ${pkgs.stdenv.hostPlatform.system}");
in
{
options.services.omega = {
enable = lib.mkEnableOption "Omega, Tensamin's central server";
dataDir = lib.mkOption {
type = lib.types.str;
default = "/var/lib/omega";
description = "Directory where Omega stores its data and reads certificates from.";
};
apiCertFile = lib.mkOption {
type = lib.types.path;
description = "Path to the SSL certificate file for the web/API server (e.g. ACME fullchain.pem). Copied to server_cert.pem at runtime.";
};
apiKeyFile = lib.mkOption {
type = lib.types.path;
description = "Path to the SSL private key file for the web/API server (e.g. ACME key.pem). Converted to PKCS#8 and copied to server_key.pem at runtime.";
};
transportCertFile = lib.mkOption {
type = lib.types.path;
description = "Path to the SSL certificate file for the TTP/QUIC transport (e.g. ACME fullchain.pem). Copied to transport_cert.pem at runtime.";
};
transportKeyFile = lib.mkOption {
type = lib.types.path;
description = "Path to the SSL private key file for the TTP/QUIC transport (e.g. ACME key.pem). Converted to PKCS#8 and copied to transport_key.pem at runtime.";
};
environmentFiles = lib.mkOption {
type = lib.types.listOf lib.types.path;
default = [ ];
description = ''
Environment files to load for the Omega service.
Must provide at least DB_URL, PRIVATE_KEY, and PUBLIC_KEY.
'';
};
openFirewall = lib.mkOption {
type = lib.types.bool;
default = true;
description = "Whether to open the firewall for ports used by Omega.";
};
package = lib.mkOption {
type = lib.types.package;
default = defaultPackage;
description = "The Omega package to use.";
};
};
config = lib.mkIf cfg.enable {
users.users.omega = {
isSystemUser = true;
group = "omega";
home = cfg.dataDir;
createHome = true;
description = "Omega service user";
};
users.groups.omega = { };
systemd.services.omega = {
description = "Tensamin Omega";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
Type = "simple";
User = "omega";
Group = "omega";
WorkingDirectory = cfg.dataDir;
ExecStart = "${cfg.package}/bin/omega";
Restart = "unless-stopped";
RestartSec = "5";
EnvironmentFile = cfg.environmentFiles;
AmbientCapabilities = [ "CAP_NET_BIND_SERVICE" ];
CapabilityBoundingSet = [ "CAP_NET_BIND_SERVICE" ];
ExecStartPre = [
("+" + pkgs.writeShellScript "omega-setup-certs" ''
mkdir -p ${cfg.dataDir}/certs
cp ${cfg.apiCertFile} ${cfg.dataDir}/certs/server_cert.pem
${pkgs.openssl}/bin/openssl pkcs8 -topk8 -nocrypt \
-in ${cfg.apiKeyFile} \
-out ${cfg.dataDir}/certs/server_key.pem
cp ${cfg.transportCertFile} ${cfg.dataDir}/certs/transport_cert.pem
${pkgs.openssl}/bin/openssl pkcs8 -topk8 -nocrypt \
-in ${cfg.transportKeyFile} \
-out ${cfg.dataDir}/certs/transport_key.pem
chown -R omega:omega ${cfg.dataDir}
'')
];
ProtectSystem = "strict";
ProtectHome = true;
PrivateTmp = true;
NoNewPrivileges = true;
ReadWritePaths = cfg.dataDir;
ProtectKernelTunables = true;
ProtectKernelModules = true;
ProtectControlGroups = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
LockPersonality = true;
MemoryDenyWriteExecute = true;
};
};
networking.firewall = lib.mkIf cfg.openFirewall {
allowedTCPPorts = [ 9187 9188 ];
allowedUDPPorts = [ 9187 9188 ];
};
};
};
};
};
}