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{
inputs = {
flake-utils.url = "github:numtide/flake-utils";
naersk.url = "github:nix-community/naersk";
xess.url = "github:Xe/Xess";
portable-svc.url = "git+https://tulpa.dev/cadey/portable-svc.git?ref=main";
};
outputs = { self, nixpkgs, flake-utils, naersk, xess, portable-svc }:
flake-utils.lib.eachSystem [ "x86_64-linux" "aarch64-linux" ] (system:
let
pkgs = import nixpkgs {
overlays = [ portable-svc.overlay ];
inherit system;
};
naersk-lib = naersk.lib."${system}";
src = ./.;
in rec {
# `nix build`
packages = rec {
printerfacts-bin = naersk-lib.buildPackage {
pname = "printerfacts";
root = ./.;
};
printerfacts = pkgs.stdenv.mkDerivation {
inherit (printerfacts-bin) pname version;
inherit src;
phases = "installPhase";
installPhase = ''
mkdir -p $out/static
cp -rf $src/templates $out/templates
cp -rf ${printerfacts-bin}/bin $out/bin
cp -rf ${
xess.defaultPackage."${system}"
}/static/css/xess.css $out/static/gruvbox.css
'';
};
docker = let
printerfacts = self.packages.${system}.printerfacts;
name = "xena/printerfacts";
tag = printerfacts.version;
in pkgs.dockerTools.buildLayeredImage {
inherit name tag;
contents = [ printerfacts ];
config = {
Cmd = [ "${printerfacts}/bin/printerfacts" ];
Env = [ "RUST_LOG=info" "PORT=32042" ];
WorkingDir = "/";
};
};
printerfacts-service = pkgs.substituteAll {
name = "printerfacts.service";
src = ./systemd/printerfacts.service.in;
printerfacts = self.packages.${system}.printerfacts;
};
portable-service = pkgs.portableService {
inherit (self.packages.${system}.printerfacts) version;
name = "printerfacts";
description = "Printer facts";
units = [ self.packages.${system}.printerfacts-service ];
};
};
defaultPackage = packages.printerfacts;
# `nix run`
apps.printerfacts =
flake-utils.lib.mkApp { drv = packages.printerfacts; };
defaultApp = apps.printerfacts;
# `nix develop`
devShell = pkgs.mkShell {
nativeBuildInputs = with pkgs; [
rustc
cargo
cargo-watch
rls
rustfmt
];
RUST_LOG = "info";
};
checks.end2end =
with import (nixpkgs + "/nixos/lib/testing-python.nix") {
inherit system;
};
makeTest {
nodes.server = { ... }: {
imports = [ self.nixosModules."${system}".printerfacts ];
users.groups.within = { };
systemd.services."within.homedir-setup" = {
description = "Creates homedirs for /srv/within services";
wantedBy = [ "multi-user.target" ];
serviceConfig.Type = "oneshot";
script = with pkgs; ''
${coreutils}/bin/mkdir -p /srv/within
${coreutils}/bin/chown root:within /srv/within
${coreutils}/bin/chmod 775 /srv/within
${coreutils}/bin/mkdir -p /srv/within/run
${coreutils}/bin/chown root:within /srv/within/run
${coreutils}/bin/chmod 770 /srv/within/run
'';
};
within.services.printerfacts.enable = true;
};
testScript = ''
start_all()
server.wait_for_unit("within.printerfacts.service")
server.succeed("sleep 2 && curl -m 2 -v -f http://printerfacts.akua/metrics --unix-socket /srv/within/run/printerfacts.sock")
'';
};
nixosModules.printerfacts = { config, lib, pkgs, ... }:
with lib;
let cfg = config.within.services.printerfacts;
in {
options.within.services.printerfacts = {
enable = mkEnableOption "Activates the printerfacts server";
useACME = mkEnableOption "Enables ACME for cert stuff";
domain = mkOption {
type = types.str;
default = "printerfacts.akua";
example = "printerfacts.cetacean.club";
description =
"The domain name that nginx should check against for HTTP hostnames";
};
sockPath = mkOption rec {
type = types.str;
default = "/srv/within/run/printerfacts.sock";
example = default;
description =
"The unix domain socket that printerfacts should listen on";
};
};
config = mkIf cfg.enable {
users.users.printerfacts = {
createHome = true;
description = "tulpa.dev/cadey/printerfacts";
isSystemUser = true;
group = "within";
home = "/srv/within/printerfacts";
extraGroups = [ "keys" ];
};
systemd.services."within.printerfacts" = {
wantedBy = [ "multi-user.target" ];
path = [ self.packages."${system}".printerfacts ];
after = [ "within.homedir-setup.service" ];
serviceConfig =
let site = self.packages."${system}".printerfacts;
in {
User = "printerfacts";
Group = "within";
Restart = "on-failure";
WorkingDirectory = site;
ExecStart = "${site}/bin/printerfacts";
RestartSec = "5s";
UMask = "007";
};
environment = {
RUST_LOG = "info";
DOMAIN = cfg.domain;
SOCKPATH = cfg.sockPath;
};
};
services.cfdyndns =
mkIf cfg.useACME { records = [ "${cfg.domain}" ]; };
services.nginx.virtualHosts."${cfg.domain}" = {
locations."/" = {
proxyPass = "http://unix:${cfg.sockPath}";
proxyWebsockets = true;
};
forceSSL = cfg.useACME;
useACMEHost = mkIf cfg.useACME "cetacean.club";
extraConfig = ''
access_log /var/log/nginx/printerfacts.access.log;
'';
};
};
};
});
}