add test vm

flake.nix

@@ -159,6 +159,11 @@
           modules =
             [ disko.nixosModules.disko ./systems/adam-site/configuration.nix ];
         };
+        "proxmox-test-vm" = mkHost {
+          minimal = true;
+          modules =
+            [ disko.nixosModules.disko ./systems/proxmox-test-vm/configuration.nix ];
+        };
       };
     };
 }

modules/services/ssh.nix

@@ -6,7 +6,7 @@
         settings.PasswordAuthentication = false;
         settings.KbdInteractiveAuthentication = false;
         settings.X11Forwarding = false;
-        settings.PermitRootLogin = "no";
+        settings.PermitRootLogin = "prohibit-password";
         extraConfig = ''
             AllowAgentForwarding no
             AllowStreamLocalForwarding no

systems/proxmox-test-vm/configuration.nix

@@ -0,0 +1,27 @@
+{ modulesPath, config, lib, pkgs, ... }: {
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+    (modulesPath + "/profiles/qemu-guest.nix")
+    ./disk-config.nix
+    ../../modules/services/ssh.nix
+  ];
+
+  time.timeZone = "Europe/Vienna";
+  custom = {
+    nftables.enable = true;
+    nix = {
+      ld.enable = true;
+      settings.enable = true;
+    };
+  };
+
+  users.users.root.openssh.authorizedKeys.keys = [
+    "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFeP6qtVqE/gu72ZUZE8cdRi3INiUW9NqDR7SjXIzTw2"
+  ];
+  environment.systemPackages = map lib.lowPrio [ pkgs.curl pkgs.gitMinimal ];
+  boot.loader.grub = {
+    efiSupport = true;
+    efiInstallAsRemovable = true;
+  };
+  system.stateVersion = "24.05";
+}

systems/proxmox-test-vm/disk-config.nix

@@ -0,0 +1,56 @@
+# Example to create a bios compatible gpt partition
+{ lib, ... }:
+{
+  disko.devices = {
+    disk.disk1 = {
+      device = lib.mkDefault "/dev/sda";
+      type = "disk";
+      content = {
+          type = "gpt";
+        partitions = {
+          boot = {
+            name = "boot";
+            size = "1M";
+            type = "EF02";
+          };
+          esp = {
+            name = "ESP";
+            size = "200M";
+            type = "EF00";
+            content = {
+              type = "filesystem";
+              format = "vfat";
+              mountpoint = "/boot";
+            };
+          };
+          root = {
+            name = "root";
+            size = "100%";
+            content = {
+              type = "lvm_pv";
+              vg = "pool";
+            };
+          };
+        };
+      };
+    };
+    lvm_vg = {
+      pool = {
+        type = "lvm_vg";
+        lvs = {
+          root = {
+            size = "100%FREE";
+            content = {
+              type = "filesystem";
+              format = "ext4";
+              mountpoint = "/";
+              mountOptions = [
+                "defaults"
+              ];
+            };
+          };
+        };
+      };
+    };
+  };
+}