Merge pull request 'User management module' (#80) from issue77 into master

Reviewed-on: kalipso/infrastructure#80

machines/bakunin/configuration.nix

@@ -8,12 +8,11 @@ in
     [ # Include the results of the hardware scan.
       #./hardware-configuration.nix
       ../modules/xserver.nix
-      ../modules/malobeo_user.nix
       ../modules/sshd.nix
-      ../modules/minimal_tools.nix
       ../modules/autoupdate.nix
       inputs.self.nixosModules.malobeo.disko
       inputs.self.nixosModules.malobeo.initssh
+      inputs.self.nixosModules.malobeo.users
     ];
 
   malobeo.autoUpdate = {
@@ -38,6 +37,8 @@ in
     ethernetDrivers = ["r8169"];
   };
 
+  malobeo.users.malobeo = true;
+
   hardware.sane.enable = true; #scanner support
 
   nix.settings.experimental-features = [ "nix-command" "flakes" ];

machines/fanny/configuration.nix

@@ -9,7 +9,6 @@ in
   imports =
     [ # Include the results of the hardware scan.
       #./hardware-configuration.nix
-      ../modules/malobeo_user.nix
       ../modules/sshd.nix
       ../modules/minimal_tools.nix
       ../modules/autoupdate.nix
@@ -18,6 +17,7 @@ in
       inputs.self.nixosModules.malobeo.disko
       inputs.self.nixosModules.malobeo.microvm
       inputs.self.nixosModules.malobeo.metrics
+      inputs.self.nixosModules.malobeo.users
     ];
 
     virtualisation.vmVariantWithDisko = {
@@ -50,6 +50,10 @@ in
     '';
   };
 
+  malobeo.users = {
+    malobeo = true;
+    admin = true;
+  };
 
   malobeo.disks = {
     enable = true;

machines/modules/malobeo/users.nix

@@ -0,0 +1,63 @@
+{config, lib, pkgs, inputs, ...}:
+let 
+  cfg = config.malobeo.users;
+  sshKeys = import ( inputs.self + /machines/ssh_keys.nix);
+in
+{
+  options.malobeo.users = {
+    malobeo = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+      description = "enable malobeo user, defaults to on";
+    };
+    admin = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+      description = "enable admin user, defaults to on to prevent lockouts";
+    };
+  };
+  config = lib.mkMerge [
+    (lib.mkIf cfg.malobeo {
+      users.users.malobeo = {
+        isNormalUser = true;
+        description = "malobeo user, password and ssh access, no root";
+        extraGroups = [ "pipewire" "pulse-access" "scanner" "lp" ];
+        openssh.authorizedKeys.keys = sshKeys.admins;
+        hashedPassword = "$y$j9T$39oJwpbFDeETiyi9TjZ/2.$olUdnIIABp5TQSOzoysuEsomn2XPyzwVlM91ZsEkIz1";
+      };
+      environment.systemPackages = with pkgs; [];
+    })
+    (lib.mkIf cfg.admin {
+      users.users.admin = {
+        isNormalUser = true;
+        description = "admin user, passwordless sudo access, only ssh";
+        hashedPassword = null;
+        extraGroups = [ "networkmanager" ];
+      };
+      environment.systemPackages = with pkgs; [];
+      nix.settings.trusted-users = [ "admin" ];
+      security.sudo.extraRules = [
+        {
+          users = [ "admin" ];
+          commands = [
+            {
+              command = "ALL";
+              options = [ "NOPASSWD" ];
+            }
+          ];
+        }
+      ];
+    })
+    {
+      users.mutableUsers = false;
+      environment.systemPackages = with pkgs; [
+        nix-output-monitor
+        vim
+        htop
+        wget
+        git
+        pciutils
+      ];
+    }
+  ];
+}

outputs.nix

@@ -115,6 +115,7 @@ in (utils.lib.eachSystem (builtins.filter filter_system utils.lib.defaultSystems
       initssh.imports = [ ./machines/modules/malobeo/initssh.nix ];
       metrics.imports = [ ./machines/modules/malobeo/metrics.nix ];
       disko.imports = [ ./machines/modules/disko ];
+      users.imports = [ ./machines/modules/malobeo/users.nix ];
     };
 
     hydraJobs = nixpkgs.lib.mapAttrs (_: nixpkgs.lib.hydraJob) (