First commit

hosts/test-kvm/disk-config.nix

@@ -0,0 +1,105 @@
+{ ... }:
+{
+  disko.devices = {
+    disk = {
+      main = {
+        type = "disk";
+        device = "/dev/vda";
+        content = {
+          type = "gpt";
+          partitions = {
+            ESP = {
+              size = "512M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+                mountOptions = [ "umask=0077" ];
+              };
+            };
+            SYS = {
+              size = "100%";
+              type = "8309";
+              content = {
+                type = "luks";
+                name = "rootfs";
+                settings = {
+                  allowDiscards = true;
+
+                };
+                content = {
+                  type = "btrfs";
+                  extraArgs = [ "-f --nodiscard --label root" ];
+                  subvolumes = {
+                    "@" = {
+                      mountpoint = "/";
+                      mountOptions = [
+                        "defaults"
+                        "ssd"
+                        "compress=zstd"
+                        "autodefrag"
+                        "noatime"
+                      ];
+                    };
+                    "@root" = {
+                      mountpoint = "/root";
+                      mountOptions = [
+                        "defaults"
+                        "ssd"
+                        "compress=zstd"
+                        "autodefrag"
+                        "noatime"
+                      ];
+                    };
+                    "@home" = {
+                      mountpoint = "/home";
+                      mountOptions = [
+                        "defaults"
+                        "ssd"
+                        "compress=zstd"
+                        "autodefrag"
+                        "noatime"
+                      ];
+                    };
+                    "@nix" = {
+                      mountpoint = "/nix";
+                      mountOptions = [
+                        "defaults"
+                        "ssd"
+                        "compress=zstd"
+                        "autodefrag"
+                        "noatime"
+                      ];
+                    };
+                    "@var" = {
+                      mountpoint = "/var";
+                      mountOptions = [
+                        "defaults"
+                        "ssd"
+                        "compress=zstd"
+                        "autodefrag"
+                        "noatime"
+                      ];
+                    };
+                    "@games" = {
+                      mountpoint = "/games";
+                      mountOptions = [
+                        "defaults"
+                        "ssd"
+                        "compress=zstd"
+                        "autodefrag"
+                        "noatime"
+                      ];
+                    };
+                  };
+                };
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}
+# sudo nix --experimental-features "nix-command flakes" run github:nix-community/disko/latest -- --yes-wipe-all-disks --mode destroy,format,mount ./disko.nix

hosts/test-kvm/hardware-configuration.nix

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+# 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.
+{ lib, 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 = [ ];
+
+  # 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";
+}