add remote disko and some other things

flake.lock

@@ -129,6 +129,27 @@
         "type": "github"
       }
     },
+    "disko": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1746728054,
+        "narHash": "sha256-eDoSOhxGEm2PykZFa/x9QG5eTH0MJdiJ9aR00VAofXE=",
+        "owner": "nix-community",
+        "repo": "disko",
+        "rev": "ff442f5d1425feb86344c028298548024f21256d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "latest",
+        "repo": "disko",
+        "type": "github"
+      }
+    },
     "firefox-gnome-theme": {
       "flake": false,
       "locked": {
@@ -597,6 +618,7 @@
     "root": {
       "inputs": {
         "agenix": "agenix",
+        "disko": "disko",
         "home-manager": "home-manager_2",
         "impermanence": "impermanence",
         "nix-zulip": "nix-zulip",

flake.nix

@@ -4,6 +4,10 @@
       url = "github:ryantm/agenix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    disko = {
+      url = "github:nix-community/disko/latest";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     home-manager = {
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -41,6 +45,7 @@
   };
   outputs = {
     agenix,
+    disko,
     home-manager,
     impermanence,
     nixos-mailserver,
@@ -64,8 +69,10 @@
           ++ [
             ./users.nix
             ./secrets.nix
-            impermanence.nixosModules.impermanence
+            ./modules/nixos/common.nix
             agenix.nixosModules.default
+            disko.nixosModules.disko
+            impermanence.nixosModules.impermanence
             nixos-mailserver.nixosModule
             noshell.nixosModules.default
             phoenix.nixosModules.default

machines.nix

@@ -6,10 +6,11 @@
     modules = [
       # impermanence
       ./modules/nixos/impermanence.nix
+      ./modules/nixos/impermanence-ssh.nix
 
       # hardware configuration
       # includes `system.stateVersion`
-      ./machines/lenovo.nix
+      ./modules/nixos/machines/lenovo.nix
 
       # boot process
       # systemd-boot
@@ -18,9 +19,6 @@
       # networking
       ./modules/nixos/laptop.nix
 
-      # boilerplate settings
-      ./modules/nixos/common.nix
-
       # ly display manager
       ./modules/nixos/ly.nix
 
@@ -41,7 +39,8 @@
 
       # hardware configuration
       # verbatim as `nixos-generate-config` AND `system.stateVersion`
-      ./machines/109-199-104-83.nix
+      ./modules/nixos/machines/109-199-104-83.nix
+      ./modules/nixos/disko/remote.nix
 
       # boot process
       # grub boot on /dev/sda
@@ -49,32 +48,33 @@
 
       # networking
       ./modules/nixos/networking/domains/galaxious.de.nix
+      # uses cloud-init to network
       ./modules/nixos/networking/networks/109-199-104-83.nix
 
       # ssh through port 5522 among other things
       # andromeda@lenovo is the only user allowed access
-      ./modules/nixos/networking/hard-ssh.nix
-      ./modules/nixos/networking/ssh-as-root.nix
-      ({config, ...}: {users.users.root.openssh.authorizedKeys.keys = [config.pub-keys.ssh.andromeda];})
+      # ./modules/nixos/networking/hard-ssh.nix
+      #./modules/nixos/networking/ssh-as-root.nix
+      ({config, ...}: {
+        services.openssh.enable = true;
+        users.users.root.openssh.authorizedKeys.keys = [config.pub-keys.ssh.andromeda];
+      })
 
-      # boilerplate settings
-      ./modules/nixos/common.nix
+      # TODO add Impermanence to the following services
 
       # simple-nixos-mailserver email server
       # mail.domain
-      ./modules/nixos/mailserver.nix
+      # ./modules/nixos/mailserver.nix
 
       # roundcube webmail client
       # webmail.domain
-      ./modules/nixos/roundcube.nix
+      # ./modules/nixos/roundcube.nix
 
       # zulip chat client
       # chat.domain
       # zulip chat server
       # zulip.domain
-      ./modules/nixos/zulip.nix
-      {
-      }
+      # ./modules/nixos/zulip.nix
     ];
   };
 }

modules/nixos/boot/109-199-104-83.nix

@@ -1,3 +1,6 @@
 {
-  boot.loader.grub.device = "/dev/sda";
+  boot.loader.grub = {
+    efiSupport = true;
+    efiInstallAsRemovable = true;
+  };
 }

modules/nixos/common.nix

@@ -20,4 +20,7 @@
 
   # disable lecture
   security.sudo.extraConfig = ''Defaults lecture="never"'';
+
+  # make users immutable
+  users.mutableUsers = false;
 }

modules/nixos/disko/remote.nix

@@ -0,0 +1,64 @@
+{
+  disko.devices = {
+    disk = {
+      disk1 = {
+        device = "/dev/sda";
+        type = "disk";
+        content = {
+          type = "gpt";
+          partitions = {
+            # legacy boot
+            boot = {
+              name = "boot";
+              size = "1M";
+              type = "EF02";
+            };
+
+            # efi boot
+            esp = {
+              name = "ESP";
+              size = "512M";
+              type = "EF00";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+
+            # btrfs
+            # root is on nodev
+            root = {
+              size = "100%";
+              content = {
+                extraArgs = ["-f"]; # internet told me to, works
+                type = "btrfs";
+                subvolumes = {
+                  # nix store
+                  "/nix" = {
+                    mountpoint = "/nix";
+                  };
+
+                  # persistant directory
+                  "/persist" = {
+                    mountpoint = "/persist";
+                  };
+                };
+              };
+            };
+          };
+        };
+      };
+    };
+    nodev = {
+      # root
+      "/" = {
+        fsType = "tmpfs";
+        mountOptions = [
+          "defaults"
+          "mode=755" # stops security complaints
+        ];
+      };
+    };
+  };
+}

modules/nixos/impermanence-ssh.nix

@@ -0,0 +1,4 @@
+{
+  # ONLY include this module AFTER a machine has been provisioned
+  environment.persistence."/persist".directories = ["/etc/ssh"];
+}

modules/nixos/laptop.nix

@@ -33,7 +33,5 @@
     "/var/lib/bluetooth"
     # wifi connections
     "/etc/NetworkManager/system-connections"
-    # machine ssh keys
-    "/etc/ssh"
   ];
 }

modules/nixos/machines/109-199-104-83.nix

@@ -12,24 +12,14 @@
     (modulesPath + "/profiles/qemu-guest.nix")
   ];
 
-  boot.initrd.availableKernelModules = ["ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod"];
+  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/159e6a69-b4e2-49c3-a6f0-5fcba0ea6a59";
-    fsType = "ext4";
-  };
-
-  fileSystems."/efi" = {
-    device = "systemd-1";
-    fsType = "autofs";
-  };
-
   swapDevices = [];
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 
-  system.stateVersion = "25.11";
+  system.stateVersion = "26.05";
 }

modules/nixos/networking/networks/109-199-104-83.nix

@@ -1,7 +1,6 @@
 {
   networking = {
-    useNetworkd = true;
-    usePredictableInterfaceNames = true;
+    useDHCP = false;
     hostName = "109-199-104-83";
     firewall = {
       enable = true;
@@ -9,19 +8,8 @@
       allowedUDPPorts = [80 443];
     };
   };
-  systemd.network = {
+  services.cloud-init = {
     enable = true;
-    networks."40-wan" = {
-      matchConfig.Name = "enx0050565f4fff";
-      address = ["2a02:c207:2299:8419::1/64" "109.199.104.83/20"];
-      routes = [
-        {
-          Gateway = "109.199.96.1";
-          GatewayOnLink = true;
-        }
-        {Gateway = "fe80::1";}
-      ];
-      dns = ["2620:fe::fe" "9.9.9.9"];
-    };
+    network.enable = true;
   };
 }

users.nix

@@ -19,22 +19,6 @@ in {
           "wheel"
         ];
       };
-      "mtgmonkey" = {
-        isNormalUser = true;
-        description = "mtgmonkey";
-        hashedPasswordFile = builtins.toString config.age.secrets.mtgmonkey-pw.path;
-        extraGroups = [
-          (lib.mkIf
-            (machine == machines.lenovo)
-            "networkmanager")
-          "wheel"
-        ];
-        openssh.authorizedKeys.keys = [
-          (lib.mkIf
-            (machine == machines."109-199-104-83")
-            config.pub-keys.ssh.andromeda)
-        ];
-      };
     };
   environment.persistence."/persist".users = lib.mkIf config.environment.persistence."/persist".enable (
     builtins.mapAttrs
@@ -45,7 +29,7 @@ in {
           ".backups"
           ".local/share/Anki2"
           ".local/share/chat.fluffy.fluffychat"
-          ".local/share.zoxide"
+          ".local/share/zoxide"
           ".ssh"
           "conf"
           "Downloads"