users and passwords

hosts/hel1-a/configuration.nix

@@ -19,6 +19,11 @@ in {
     timeZone = "UTC";
 
     base = {
+      users.passwd = {
+        root.passwordFile = config.age.secrets.root-passwd-hash.path;
+        motiejus.passwordFile = config.age.secrets.motiejus-passwd-hash.path;
+      };
+
       initrd = {
         enable = true;
         authorizedKeys = builtins.attrValues myData.ssh_pubkeys;
@@ -32,7 +37,7 @@ in {
       zfsborg = {
         enable = true;
         repo = "zh2769@zh2769.rsync.net:hel1-a.servers.jakst";
-        passwdPath = config.age.secrets.borgbackup-password.path;
+        passwordPath = config.age.secrets.borgbackup-password.path;
         mountpoints = {
           "/var/lib" = {
             paths = [

hosts/vm/configuration.nix

@@ -9,7 +9,10 @@ in {
   mj = {
     stateVersion = "23.05";
     timeZone = "UTC";
-    stubPasswords = true;
+
+    base.users.passwd = {
+      root.initialPassword = "live";
+    };
   };
 
   environment = {

modules/base/default.nix

@@ -10,25 +10,22 @@
     ./snapshot
     ./sshd
     ./unitstatus
+    ./users
     ./zfsborg
   ];
 
-  options.mj = {
+  options.mj = with lib.types; {
     stateVersion = lib.mkOption {
-      type = lib.types.str;
+      type = str;
       example = "22.11";
       description = "The NixOS state version to use for this system";
     };
+
     timeZone = lib.mkOption {
-      type = lib.types.str;
+      type = str;
       example = "Europe/Vilnius";
       description = "Time zone for this system";
     };
-
-    stubPasswords = lib.mkOption {
-      type = lib.types.bool;
-      default = false;
-    };
   };
 
   config = {
@@ -63,33 +60,6 @@
       };
     };
 
-    users = let
-      withPasswordFile = file: attrs:
-        (
-          if config.mj.stubPasswords
-          then {
-            initialPassword = "live";
-          }
-          else {
-            passwordFile = file;
-          }
-        )
-        // attrs;
-    in {
-      mutableUsers = false;
-
-      users = {
-        motiejus = withPasswordFile config.age.secrets.motiejus-passwd-hash.path {
-          isNormalUser = true;
-          extraGroups = ["wheel"];
-          uid = 1000;
-          openssh.authorizedKeys.keys = [myData.ssh_pubkeys.motiejus];
-        };
-
-        root = withPasswordFile config.age.secrets.root-passwd-hash.path {};
-      };
-    };
-
     environment = {
       systemPackages = with pkgs; [
         jc # parse different formats and command outputs to json

modules/base/users/default.nix

@@ -0,0 +1,45 @@
+{
+  config,
+  lib,
+  myData,
+  ...
+}: {
+  options.mj.base.users = with lib.types; {
+    passwd = lib.mkOption {
+      type = attrsOf (submodule (
+        {...}: {
+          options = {
+            passwordFile = lib.mkOption {
+              type = nullOr path;
+              default = null;
+            };
+            initialPassword = lib.mkOption {
+              type = nullOr str;
+              default = null;
+            };
+          };
+        }
+      ));
+    };
+  };
+
+  config = {
+    users = {
+      mutableUsers = false;
+
+      users = with config.mj.base.users; {
+        motiejus =
+          {
+            isNormalUser = true;
+            extraGroups = ["wheel"];
+            uid = 1000;
+            openssh.authorizedKeys.keys = [myData.ssh_pubkeys.motiejus];
+          }
+          // lib.filterAttrs (n: v: v != null) passwd.motiejus or {};
+
+        root = assert lib.assertMsg (passwd ? root) "root password needs to be defined";
+          lib.filterAttrs (n: v: v != null) passwd.root;
+      };
+    };
+  };
+}

modules/base/zfsborg/default.nix

@@ -19,7 +19,7 @@ in {
     enable = lib.mkEnableOption "backup zfs snapshots with borg";
 
     repo = lib.mkOption {type = str;};
-    passwdPath = lib.mkOption {type = str;};
+    passwordPath = lib.mkOption {type = str;};
 
     mountpoints = lib.mkOption {
       default = {};
@@ -68,7 +68,7 @@ in {
             repo = config.mj.base.zfsborg.repo;
             encryption = {
               mode = "repokey-blake2";
-              passCommand = "cat ${config.mj.base.zfsborg.passwdPath}";
+              passCommand = "cat ${config.mj.base.zfsborg.passwordPath}";
             };
             paths = attrs.paths;
             extraArgs = "--remote-path=borg1";