flake.lock

@@ -33,21 +33,6 @@
         "type": "indirect"
       }
     },
-    "impermanence": {
-      "locked": {
-        "lastModified": 1694622745,
-        "narHash": "sha256-z397+eDhKx9c2qNafL1xv75lC0Q4nOaFlhaU1TINqb8=",
-        "owner": "nix-community",
-        "repo": "impermanence",
-        "rev": "e9643d08d0d193a2e074a19d4d90c67a874d932e",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "impermanence",
-        "type": "github"
-      }
-    },
     "nixos-mailserver": {
       "inputs": {
         "blobs": "blobs",
@@ -138,7 +123,6 @@
     "root": {
       "inputs": {
         "flake-parts": "flake-parts",
-        "impermanence": "impermanence",
         "nixos-mailserver": "nixos-mailserver",
         "nixpkgs": "nixpkgs",
         "sops-nix": "sops-nix"

flake.nix

@@ -14,9 +14,6 @@
       url = "github:Mic92/sops-nix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
-    impermanence = {
-      url = "github:nix-community/impermanence";
-    };
   };
 
   outputs = inputs@{ flake-parts, ... }:

nixos/flake-module.nix

@@ -12,7 +12,6 @@
           imports = [
             (import (./. + "/machines/${name}/configuration.nix") inputs)
             inputs.sops-nix.nixosModules.sops
-            inputs.impermanence.nixosModules.impermanence
           ];
         };
     in lib.genAttrs machines makeSystem);

nixos/modules/impermanence.nix

@@ -1,42 +0,0 @@
-{lib, config, ...} :
-
-let 
-  inherit (lib)
-    mkEnableOption
-    mkIf
-    mkOption
-    types
-    ;
-  cfg = config.impermanence;
-in
-
-{
-imports = [ ];
-
-options.impermanence = {
-  enable = mkEnableOption "impermanence";
-  storagePath = mkOption {
-    type = types.path;
-    default = "/persist";
-    description = "The path where persistent data is stored";
-  };
-  name = mkOption {
-    type = types.str;
-    default = "persist";
-    description = "the name of the persistent data store";
-  };
-};
-
-config = mkIf cfg.enable {
-  environment.persistence.${cfg.name} = {
-    persistentStoragePath = cfg.storagePath;
-    directories = [
-      "/var/log"
-      "/etc/ssh"
-      "/var/lib/nixos"
-    ];
-  };
-  environment.etc.machine-id.source = "${cfg.storagePath}/machine-id";
-};
-
-}

nixos/roles/default.nix

@@ -1,32 +1,4 @@
-{pkgs, config, lib, ...} : {
-
-imports = [
-  ./admins.nix
-  ./nix_keys.nix
-  ../modules/impermanence.nix
-  ];
-nix = {
-  extraOptions = ''
-    experimental-features = nix-command flakes
-    builders-use-substitutes = true
-  '';
-};
-
-networking = {
-  firewall = { # these shoud be default, but better make sure!
-    enable = true;
-    allowPing = true;
-  };
-  nftables.enable = true;
-  useDHCP = false; # We don't speak DHCP and even if we would, we should enable it per interface
-  # hosts = # TODO write something to autogenerate ip adresses!
-};
-
-users = {
-  mutableUsers = false;
-};
-
-impermanence.enable = true;
+{ ... } : {
 
 sops.age.sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
 }