add configuration.nix

configuration.nix

@@ -0,0 +1,145 @@
+# Edit this configuration file to define what should be installed on
+# your system.  Help is available in the configuration.nix(5) man page
+# and in the NixOS manual (accessible by running ‘nixos-help’).
+
+{ config, pkgs, ... }:
+
+let ssh_pubkeys = {
+    motiejus = "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAACAQC+qpaaD+FCYPcUU1ONbw/ff5j0xXu5DNvp/4qZH/vOYwG13uDdfI5ISYPs8zNaVcFuEDgNxWorVPwDw4p6+1JwRLlhO4J/5tE1w8Gt6C7y76LRWnp0rCdva5vL3xMozxYIWVOAiN131eyirV2FdOaqTwPy4ouNMmBFbibLQwBna89tbFMG/jwR7Cxt1I6UiYOuCXIocI5YUbXlsXoK9gr5yBRoTjl2OfH2itGYHz9xQCswvatmqrnteubAbkb6IUFYz184rnlVntuZLwzM99ezcG4v8/485gWkotTkOgQIrGNKgOA7UNKpQNbrwdPAMugqfSTo6g8fEvy0Q+6OXdxw5X7en2TJE+BLVaXp4pVMdOAzKF0nnssn64sRhsrUtFIjNGmOWBOR2gGokaJcM6x9R72qxucuG5054pSibs32BkPEg6Qzp+Bh77C3vUmC94YLVg6pazHhLroYSP1xQjfOvXyLxXB1s9rwJcO+s4kqmInft2weyhfaFE0Bjcoc+1/dKuQYfPCPSB//4zvktxTXud80zwWzMy91Q4ucRrHTBz3PrhO8ys74aSGnKOiG3ccD3HbaT0Ff4qmtIwHcAjrnNlINAcH/A2mpi0/2xA7T8WpFnvgtkQbcMF0kEKGnNS5ULZXP/LC8BlLXxwPdqTzvKikkTb661j4PhJhinhVwnQ==";
+    vno1_root = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMiWb7yeSeuFCMZWarKJD6ZSxIlpEHbU++MfpOIy/2kh";
+}; in {
+  imports =
+    [
+      /etc/nixos/hardware-configuration.nix /etc/nixos/zfs.nix
+    ];
+
+  boot.initrd.network.enable = true;
+  boot.initrd.network.ssh = {
+    enable = true;
+    port = 22;
+    authorizedKeys = builtins.attrValues ssh_pubkeys;
+    hostKeys = [ "/etc/secrets/initrd/ssh_host_ed25519_key" ];
+  };
+
+  services.zfs.autoSnapshot = {
+    enable = true;
+    frequent = 0;
+    hourly = 24;
+    daily = 7;
+    weekly = 0;
+    monthly = 0;
+  };
+
+  services.zfs.autoScrub.enable = true;
+  services.zfs.trim.enable = true;
+
+  networking.hostName = "hel1-a";
+  time.timeZone = "UTC";
+
+  users.users.motiejus = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" ];
+  };
+  users.users.motiejus.openssh.authorizedKeys.keys = [ ssh_pubkeys.motiejus ];
+  users.mutableUsers = false;
+
+  security.sudo.wheelNeedsPassword = false;
+  security.sudo.execWheelOnly = true;
+
+  environment.systemPackages = with pkgs; [
+    jq
+    vim
+    git
+    tmux
+    tree
+    wget
+    lsof
+    file
+    htop
+    ncdu
+    ripgrep
+    binutils
+    pciutils
+    headscale
+    nixos-option
+  ];
+
+  programs.mtr.enable = true;
+
+  services.openssh.enable = true;
+  services.openssh.passwordAuthentication = false;
+  services.openssh.permitRootLogin = "no";
+
+  services.locate = {
+    enable = true;
+    locate = pkgs.plocate;
+    localuser = null;
+  };
+
+  services.headscale = {
+    enable = true;
+    serverUrl = "https://vpn.jakstys.lt";
+    openIdConnect = {
+      issuer = "https://git.jakstys.lt/";
+      clientId = "1c5fe796-452c-458d-b295-71a9967642fc";
+      clientSecretFile = "/var/src/secrets/headscale/oidc_client_secret";
+    };
+    settings = {
+      ip_prefixes = [ "100.89.176.0/20" ];
+      dns_config = {
+        nameservers = [ "1.1.1.1" "8.8.4.4" ];
+        magic_dns = true;
+        base_domain = "jakst";
+      };
+    };
+  };
+
+  services.gitea = {
+    enable = true;
+    user = "git";
+    database.user = "git";
+    domain = "git.jakstys.lt";
+    rootUrl = "https://git.jakstys.lt";
+    httpAddress = "127.0.0.1";
+    httpPort = 3000;
+    settings.service.DISABLE_REGISTRATION = true;
+  };
+  users.users.git = {
+    description = "Gitea Service";
+    home = "/var/lib/gitea";
+    useDefaultShell = true;
+    group = "gitea";
+    isSystemUser = true;
+  };
+
+  services.caddy = {
+    enable = true;
+    email = "motiejus+acme@jakstys.lt";
+    virtualHosts."vpn.jakstys.lt".extraConfig = ''
+      reverse_proxy 127.0.0.1:8080
+    '';
+    virtualHosts."git.jakstys.lt".extraConfig = ''
+      reverse_proxy 127.0.0.1:3000
+    '';
+  };
+
+  programs.mosh.enable = true;
+  networking.firewall.allowedTCPPorts = [ 80 443 ];
+  networking.firewall.allowedUDPPorts = [ 443 ];
+
+  system.copySystemConfiguration = true;
+
+  system.autoUpgrade.enable = true;
+  system.autoUpgrade = {
+    allowReboot = true;
+    rebootWindow = {
+      lower = "00:00";
+      upper = "00:30";
+    };
+  };
+
+  # do not change
+  system.stateVersion = "22.11"; # Did you read the comment?
+
+}
+

krops.nix

@@ -9,6 +9,10 @@ let
     {
       nixpkgs.symlink = "/root/.nix-defexpr/channels/nixos";
       nixos-config.file = toString ./configuration.nix;
+      secrets.pass = {
+        dir = toString ./secrets;
+        name = "hel1-a";
+      };
     }
   ];