init elysium (gamle sancturary)

2024-09-15 01:49:23 +02:00
parent 71479d5ca0
commit 74b770545e
6 changed files with 397 additions and 0 deletions
--- a/hosts/elysium/base.nix
+++ b/hosts/elysium/base.nix
@@ -0,0 +1,133 @@
+{ config, lib, pkgs, inputs, values, ... }:
+
+{
+  imports = [
+    ./modules/snakeoil-certs.nix
+  ];
+
+  networking.domain = "pvv.ntnu.no";
+  networking.useDHCP = false;
+  # networking.search = [ "pvv.ntnu.no" "pvv.org" ];
+  # networking.nameservers = lib.mkDefault [ "129.241.0.200" "129.241.0.201" ];
+  # networking.tempAddresses = lib.mkDefault "disabled";
+  # networking.defaultGateway = values.hosts.gateway;
+
+  systemd.network.enable = true;
+
+  services.resolved = {
+    enable = lib.mkDefault true;
+    dnssec = "false"; # Supposdly this keeps breaking and the default is to allow downgrades anyways...
+  };
+
+  time.timeZone = "Europe/Oslo";
+
+  i18n.defaultLocale = "en_US.UTF-8";
+  console = {
+    font = "Lat2-Terminus16";
+    keyMap = "no";
+  };
+
+  system.autoUpgrade = {
+    enable = true;
+    flake = "git+https://git.pvv.ntnu.no/Drift/pvv-nixos-config.git";
+    flags = [
+      "--update-input" "nixpkgs"
+      "--update-input" "nixpkgs-unstable"
+      "--no-write-lock-file"
+    ];
+  };
+  nix.gc.automatic = true;
+  nix.gc.options = "--delete-older-than 2d";
+
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+  /* This makes commandline tools like
+  ** nix run nixpkgs#hello
+  ** and nix-shell -p hello
+  ** use the same channel the system
+  ** was built with
+  */
+  nix.registry = {
+    nixpkgs.flake = inputs.nixpkgs;
+  };
+  nix.nixPath = [ "nixpkgs=${inputs.nixpkgs}" ];
+
+  environment.systemPackages = with pkgs; [
+    file
+    git
+    gnupg
+    htop
+    nano
+    ripgrep
+    rsync
+    screen
+    tmux
+    vim
+    wget
+
+    kitty.terminfo
+    foot.terminfo
+  ];
+
+  programs.zsh.enable = true;
+
+  users.groups."drift".name = "drift";
+
+  # Trusted users on the nix builder machines
+  users.groups."nix-builder-users".name = "nix-builder-users";
+
+  services.openssh = {
+    enable = true;
+    extraConfig = ''
+      PubkeyAcceptedAlgorithms=+ssh-rsa
+    '';
+    settings.PermitRootLogin = "yes";
+  };
+
+  # nginx return 444 for all nonexistent virtualhosts
+
+  systemd.services.nginx.after = [ "generate-snakeoil-certs.service" ];
+
+  environment.snakeoil-certs = lib.mkIf config.services.nginx.enable {
+    "/etc/certs/nginx" = {
+      owner = "nginx";
+      group = "nginx";
+    };
+  };
+
+  services.nginx = {
+    recommendedTlsSettings = true;
+    recommendedProxySettings = true;
+    recommendedOptimisation = true;
+    recommendedGzipSettings = true;
+
+    appendConfig = ''
+      pcre_jit on;
+      worker_processes auto;
+      worker_rlimit_nofile 100000;
+    '';
+    eventsConfig = ''
+      worker_connections 2048;
+      use epoll;
+      multi_accept on;
+    '';
+  };
+
+  systemd.services.nginx.serviceConfig = lib.mkIf config.services.nginx.enable {
+    LimitNOFILE = 65536;
+  };
+
+  services.nginx.virtualHosts."_" = lib.mkIf config.services.nginx.enable {
+    sslCertificate = "/etc/certs/nginx.crt";
+    sslCertificateKey = "/etc/certs/nginx.key";
+    addSSL = true;
+    extraConfig = "return 444;";
+  };
+
+  networking.firewall.allowedTCPPorts = lib.mkIf config.services.nginx.enable [ 80 443 ];
+
+  security.acme = {
+    acceptTerms = true;
+    defaults.email = "drift@pvv.ntnu.no";
+  };
+}