initial commit

flake.nix

@@ -0,0 +1,70 @@
+{
+  description = "Black Start essential infrastructure for cloud operations";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-25.11";
+
+    disko = {
+      url = "github:nix-community/disko/v1.13.0";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = { self, nixpkgs, disko }:
+  {
+    nixosConfigurations = {
+      weyma-bs = nixpkgs.lib.nixosSystem {
+        system = "x86_64-linux";
+        modules = [
+          disko.nixosModules.disko
+          { disko.devices.disk.main.device = "/dev/vda"; }
+          ./common/core.nix
+          ./disko/uefi-nosecure.nix
+          ./users/users.nix
+          {
+            config.boot = {
+              loader = {
+                systemd-boot = {
+                  enable = true;
+                };
+
+                efi = {
+                  canTouchEfiVariables = false;
+                };
+                timeout = 5;
+              };
+              initrd = {
+                verbose = false;
+                systemd.enable = true;
+              };
+            };
+            config.fileSystems = {
+              "/" = {
+                options = ["noatime" "nodiratime" "discard"];
+              };
+            };
+            options.my.hostname = nixpkgs.lib.mkOption {
+              type = nixpkgs.lib.types.str;
+              default = "weyma-bs";
+              description = "Machine hostname";
+            };
+          }
+          ({config, lib, pkgs, modulesPath, ...}: {
+            imports = [(modulesPath + "/profiles/qemu-guest.nix")];
+            boot.initrd.availableKernelModules = [ "uhci_hcd" "ehci_pci" "ahci" "virtio_pci" "sr_mod" "virtio_blk" ];
+            boot.initrd.kernelModules = [ ];
+            boot.kernelModules = [ "kvm-intel" ];
+            boot.extraModulePackages = [ ];
+            swapDevices = [ ];
+            nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+          })
+        ];
+        specialArgs = {
+          inputs = {
+            inherit self nixpkgs disko;
+          };
+        };
+      };
+    };
+  };
+}