add hosts

hosts/ops/hardware-configuration.nix

@@ -0,0 +1,36 @@
+# Do not modify this file! It was generated by `nixos-generate-config` and may
+# be overwritten by future invocations.
+{ lib, modulesPath, ... }:
+{
+  imports = [ (modulesPath + "/profiles/qemu-guest.nix") ];
+
+  boot.initrd.availableKernelModules = [
+    "ata_piix"
+    "uhci_hcd"
+    "virtio_pci"
+    "virtio_scsi"
+    "sd_mod"
+    "sr_mod"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/69fa2193-1e4f-438a-8898-5de8a3f36e5b";
+    fsType = "ext4";
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/D09B-4277";
+    fsType = "vfat";
+    options = [
+      "fmask=0077"
+      "dmask=0077"
+    ];
+  };
+
+  swapDevices = [ ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

hosts/ops/nixos.nix

@@ -0,0 +1,51 @@
+{
+  imports = [ ./hardware-configuration.nix ];
+
+  networking = {
+    useDHCP = false;
+
+    interfaces = {
+      ens18 = {
+        useDHCP = false;
+        ipv4.addresses = [
+          {
+            address = "10.50.128.20";
+            prefixLength = 24;
+          }
+        ];
+      };
+
+      ens19 = {
+        useDHCP = false;
+        ipv4.addresses = [
+          {
+            address = "10.50.7.101";
+            prefixLength = 24;
+          }
+        ];
+      };
+
+      ens20 = {
+        useDHCP = false;
+        ipv4.routes = [
+          {
+            address = "10.50.64.0";
+            prefixLength = 24;
+            via = "10.50.82.1";
+          }
+        ];
+        ipv4.addresses = [
+          {
+            address = "10.50.82.10";
+            prefixLength = 24;
+          }
+        ];
+      };
+    };
+
+    defaultGateway = {
+      address = "10.50.128.1";
+      interface = "ens18";
+    };
+  };
+}