home lab init

2025-06-03 23:07:46 +02:00 · 2025-06-03 23:07:46 +02:00 · 7278922625
commit 7278922625
65 changed files with 27336 additions and 0 deletions
--- a/nixos/configuration.nix
+++ b/nixos/configuration.nix
@ -0,0 +1,112 @@
+{ config, pkgs, modulesPath, lib, ... }:
+
+{
+  ########################################################################
+  # IMPORTS & PROFILE
+  #
+  # We rely on the QEMU Guest Agent profile so that Proxmox can talk
+  # to the VM’s guest-agent.  Both “live” and “template” need this.
+  ########################################################################
+  imports = [
+    # Enables QEMU Guest Agent support in the VM
+    (modulesPath + "/profiles/qemu-guest.nix")
+  ];
+
+  config = {
+    ########################################################################
+    # A) COMMON SETTINGS
+    ########################################################################
+
+    # Provide a default hostname
+    networking.hostName = lib.mkDefault "base";
+
+    # Nixpkgs & Unfree
+    # Allow unfree packages if you ever need them.
+    nixpkgs.config.allowUnfree = true;
+
+    # QEMU Guest Agent (Proxmox integration)
+    # Ensure the qemu-guest-agent service is enabled so Proxmox can query
+    # the VM for IPs, etc.
+    services.qemuGuest.enable = lib.mkDefault true;
+
+    # GRUB on the “boot drive”
+    # Both live and template should install a bootloader on /dev/disk/by-label/nixos.
+    boot.loader.grub.enable = lib.mkDefault true;
+    boot.loader.grub.devices = [ "nodev" ];
+
+    # Grow the root partition on first boot
+    boot.growPartition = lib.mkDefault true;
+
+    # Sudo: Do not require a password for wheel group
+    security.sudo.wheelNeedsPassword = false;
+
+    # OpenSSH: disable password‐based auth, only allow key‐based
+    services.openssh = {
+      enable = true;
+      settings.PermitRootLogin = "prohibit-password";
+      settings.PasswordAuthentication = false;
+      settings.KbdInteractiveAuthentication = false;
+    };
+
+    programs.ssh.startAgent = true;
+
+    # Root’s SSH authorized_keys (copy your own keys here)
+    # Both live & template will install these, so you can ssh in.
+    users.users.root.openssh.authorizedKeys.keys = [
+        # ← Replace these with your actual public keys
+        "ssh-rsa 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 asol\\dbs@ALPHA-DBS-P14sG2"
+        "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC+U3DWOrklcA8n8wdbLBGyli5LsJI3dpL2Zod8mx8eOdC4H127ZT1hzuk2uSmkic4c73BykPyQv8rcqwaRGW94xdMRanKmHYxnbHXo5FBiGrCkNlNNZuahthAGO49c6sUhJMq0eLhYOoFWjtf15sr5Zu7Ug2YTUL3HXB1o9PZ3c9sqYHo2rC/Il1x2j3jNAMKST/qUZYySvdfNJEeQhMbQcdoKJsShcE3oGRL6DFBoV/mjJAJ+wuDhGLDnqi79nQjYfbYja1xKcrKX+D3MfkFxFl6ZIzomR1t75AnZ+09oaWcv1J7ehZ3h9PpDBFNXvzyLwDBMNS+UYcH6SyFjkUbF David@NZXT"
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICUP7m8jZJiclZGfSje8CeBYFhX10SrdtjYziuChmj1X plasmagoat@macbook-air"
+    ];
+
+    # Default filesystem on
+    fileSystems."/" = lib.mkDefault {
+        device = "/dev/disk/by-label/nixos";
+        autoResize = true;   # grow on first boot
+        fsType = "ext4";
+    };
+
+    # Timezone & Keyboard
+    time.timeZone = "Europe/Copenhagen";
+    console.keyMap = "dk-latin1";
+
+    # Default set of packages
+    environment.systemPackages = with pkgs; [
+        vim    # emergencies
+        git    # pulling flakes, code
+        curl   # downloading things
+        python3  # for Ansible if needed on live VM
+    ];
+
+    # Nix settings (cache, experimental, gc)
+    nix.settings.trusted-users = [ "root" "@wheel" ];
+    nix.settings.experimental-features = [ "nix-command" "flakes" ];
+    nix.extraOptions = ''
+        experimental-features = nix-command flakes
+        keep-outputs = true
+        keep-derivations = true
+    '';
+    nix.gc.automatic = true;
+    nix.gc.dates     = "weekly";
+    nix.gc.options   = "--delete-older-than 7d";
+
+    # mDNS with avahi to enable .local dns
+    services.avahi = {
+      enable = true;
+      openFirewall = true;
+      publish = {
+        enable = true;
+        addresses = true;
+        domain = true;
+      };
+      nssmdns4 = true;
+      nssmdns6 = false;
+      ipv6 = false;
+    };
+
+    networking.firewall.allowedUDPPorts = [ 5353 ];
+
+    # State version (set to match the Nixpkgs you’re using)
+    system.stateVersion = lib.mkDefault "25.05";
+  };
+}