Add config for busch

Busch is the proxmox host used for various vms, which will be defined
through terraform or similar.

flake.nix

@@ -115,7 +115,7 @@
         ];
       };
 
-      server = nixpkgs.lib.nixosSystem rec {
+      busch = nixpkgs.lib.nixosSystem rec {
         system = "x86_64-linux";
 
         specialArgs = {
@@ -123,7 +123,8 @@
         };
 
         modules = [
-          ./hosts/nixos-server-test
+          ./hosts/busch
+          disko.nixosModules.disko
           proxmox-nixos.nixosModules.proxmox-ve
 
           ({...}: {

hosts/busch/default.nix

@@ -3,10 +3,16 @@
 {
   imports =
     [
+      ./disko.nix
+
       ../../modules/nix.nix
+      ../../modules/auto-upgrade.nix
       ../../modules/locale.nix
       ../../modules/server-cli.nix
       ../../modules/sshd.nix
+      ${inputs.secrets}/modules/opkssh.nix
+
+      ../../modules/intel-cpu.nix
       # Include the results of the hardware scan.
       ./hardware-configuration.nix
     ];
@@ -14,11 +20,10 @@
   boot = {
     loader.grub = {
       enable = true;
-      device = "/dev/vda";
     };
     tmp.useTmpfs = true;
   };
-  networking.hostName = "nixos-server"; # Define your hostname.
+  networking.hostName = "busch"; # Define your hostname.
   users = {
     users = {
       julius = {
@@ -43,12 +48,18 @@
     ];
   };
 
-  services.proxmox-ve = {
+  services = {
-    enable = true;
+    proxmox-ve = {
-    ipAddress = "192.168.122.71";
+      enable = true;
+      ipAddress = "192.168.7.252";
 
-    # Make vmbr0 bridge visible in Proxmox web interface
+      # Make vmbr0 bridge visible in Proxmox web interface
-    bridges = [ "vmbr0" ];
+      bridges = [ "vmbr0" ];
+    };
+    openiscsi = {
+      enable = true;
+      name = "busch";
+    };
   };
 
   networking.useDHCP = false;
@@ -57,7 +68,7 @@
     enable = true;
 
     networks."10-lan" = {
-      matchConfig.Name = [ "enp1s0" ];
+      matchConfig.Name = [ "enp0s25" ];
       networkConfig = {
         Bridge = "vmbr0";
       };

hosts/busch/disko.nix

@@ -0,0 +1,107 @@
+{
+  disko.devices = {
+    disk = {
+      disk1 = {
+        type = "disk";
+        device = "/dev/disk/by-id/ata-Samsung_SSD_850_PRO_256GB_S251NX0H423575T";
+        content = {
+          type = "gpt";
+          partitions = {
+            MBR = {
+              type = "EF02"; # for grub MBR
+              size = "1M";
+              priority = 1; # Needs to be first partition
+            };
+            ESP = {
+              priority = 1;
+              name = "ESP";
+              size = "2G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+            crypt_p1 = {
+              size = "100%";
+              content = {
+                type = "luks";
+                name = "p1";
+                settings = {
+                  allowDiscards = true;
+                };
+              };
+            };
+          };
+        };
+      };
+      disk2 = {
+        type = "disk";
+        device = "/dev/disk/by-id/ata-Samsung_SSD_850_PRO_256GB_S251NXAG833792N";
+        content = {
+          type = "gpt";
+          partitions = {
+            MBR = {
+              type = "EF02"; # for grub MBR
+              size = "1M";
+              priority = 1; # Needs to be first partition
+            };
+            ESP = {
+              priority = 1;
+              name = "ESP";
+              size = "2G";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot-fallback";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+            crypt_p2 = {
+              size = "100%";
+              content = {
+                type = "luks";
+                name = "p2";
+                settings = {
+                  allowDiscards = true;
+                };
+                content = {
+                  type = "btrfs";
+                  extraArgs = [
+                    "-d raid1"
+                    "-m raid1"
+                    "/dev/mapper/p1"
+                  ];
+                  subvolumes = {
+                    "/rootfs" = {
+                      mountpoint = "/";
+                    };
+                    "/home" = {
+                      mountOptions = [ "compress=zstd" ];
+                      mountpoint = "/home";
+                    };
+                    "/nix" = {
+                      mountOptions = [ "compress=zstd" "noatime" ];
+                      mountpoint = "/nix";
+                    };
+                    "/pve-cluster" = {
+                      mountOptions = [ "compress=zstd" ];
+                      mountpoint = "/var/lib/pve-cluster";
+                    };
+                    "/swap" = {
+                      mountpoint = "/.swapvol";
+                      swap.swapfile.size = "32G";
+                    };
+                  };
+                };
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

hosts/busch/hardware-configuration.nix

@@ -0,0 +1,22 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "ehci_pci" "mpt3sas" "usbhid" "usb_storage" "sr_mod" ];
+  boot.initrd.kernelModules = [ "vfio_pci" "vfio" "vfio_iommu_type1" ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+  boot.kernelParams = [ "intel_iommu=on" "iommu=pt" "vfio-pci.ids=1000:0087" ];
+
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp1s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

hosts/nixos-server-test/hardware-configuration.nix

@@ -1,31 +0,0 @@
-# Do not modify this file!  It was generated by ‘nixos-generate-config’
-# and may be overwritten by future invocations.  Please make changes
-# to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
-
-{
-  imports =
-    [ (modulesPath + "/profiles/qemu-guest.nix")
-    ];
-
-  boot.initrd.availableKernelModules = [ "ahci" "xhci_pci" "virtio_pci" "sr_mod" "virtio_blk" ];
-  boot.initrd.kernelModules = [ ];
-  boot.kernelModules = [ "kvm-intel" ];
-  boot.extraModulePackages = [ ];
-
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/e46c412a-8b6d-41b8-b53c-65d7a8fc39ed";
-      fsType = "ext4";
-    };
-
-  swapDevices = [ ];
-
-  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
-  # (the default) this is the recommended approach. When using systemd-networkd it's
-  # still possible to use this option, but it's recommended to use it in conjunction
-  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
-  networking.useDHCP = lib.mkDefault true;
-  # networking.interfaces.enp1s0.useDHCP = lib.mkDefault true;
-
-  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
-}