From 0057d3a1916b2438ca7a113b9d2977ba0808054e Mon Sep 17 00:00:00 2001
From: tv <tv@shackspace.de>
Date: Mon, 27 Jul 2015 00:49:06 +0200
Subject: 1 tv wu: simplify users

---
 1systems/tv/wu.nix | 76 +++++++-----------------------------------------------
 1 file changed, 10 insertions(+), 66 deletions(-)

diff --git a/1systems/tv/wu.nix b/1systems/tv/wu.nix
index 192b65b9d..9228e65ca 100644
--- a/1systems/tv/wu.nix
+++ b/1systems/tv/wu.nix
@@ -169,19 +169,21 @@ in
     }
     {
       users.extraGroups = {
-        tv-sub.gid = 1337;
+        tv.gid = 1337;
+        slaves.gid = 3799582008; # genid slaves
       };
 
       users.extraUsers =
-        mapAttrs (name: user: user // {
+        mapAttrs (name: user@{ extraGroups ? [], ... }: user // {
           inherit name;
           home = "/home/${name}";
           createHome = true;
           useDefaultShell = true;
+          group = "tv";
+          extraGroups = ["slaves"] ++ extraGroups;
         }) {
           ff = {
             uid = 13378001;
-            group = "tv-sub";
             extraGroups = [
               "audio"
               "video"
@@ -190,17 +192,6 @@ in
 
           cr = {
             uid = 13378002;
-            group = "tv-sub";
-            extraGroups = [
-              "audio"
-              "video"
-              "bumblebee"
-            ];
-          };
-
-          vimb = {
-            uid = 13378003;
-            group = "tv-sub";
             extraGroups = [
               "audio"
               "video"
@@ -210,47 +201,38 @@ in
 
           fa = {
             uid = 2300001;
-            group = "tv-sub";
           };
 
           rl = {
             uid = 2300002;
-            group = "tv-sub";
           };
 
           tief = {
             uid = 2300702;
-            group = "tv-sub";
           };
 
           btc-bitcoind = {
             uid = 2301001;
-            group = "tv-sub";
           };
 
           btc-electrum = {
             uid = 2301002;
-            group = "tv-sub";
           };
 
           ltc-litecoind = {
             uid = 2301101;
-            group = "tv-sub";
           };
 
           eth = {
             uid = 2302001;
-            group = "tv-sub";
           };
 
           emse-hsdb = {
             uid = 4200101;
-            group = "tv-sub";
           };
 
           wine = {
             uid = 13370400;
-            group = "tv-sub";
             extraGroups = [
               "audio"
               "video"
@@ -258,21 +240,8 @@ in
             ];
           };
 
-          # dwarffortress
           df = {
             uid = 13370401;
-            group = "tv-sub";
-            extraGroups = [
-              "audio"
-              "video"
-              "bumblebee"
-            ];
-          };
-
-          # XXX visudo: Warning: Runas_Alias `FTL' referenced but not defined
-          FTL = {
-            uid = 13370402;
-            #group = "tv-sub";
             extraGroups = [
               "audio"
               "video"
@@ -280,14 +249,8 @@ in
             ];
           };
 
-          freeciv = {
-            uid = 13370403;
-            group = "tv-sub";
-          };
-
           xr = {
             uid = 13370061;
-            group = "tv-sub";
             extraGroups = [
               "audio"
               "video"
@@ -296,26 +259,14 @@ in
 
           "23" = {
             uid = 13370023;
-            group = "tv-sub";
           };
 
           electrum = {
             uid = 13370102;
-            group = "tv-sub";
-          };
-
-          Reaktor = {
-            uid = 4230010;
-            group = "tv-sub";
-          };
-
-          gitolite = {
-            uid = 7700;
           };
 
           skype = {
             uid = 6660001;
-            group = "tv-sub";
             extraGroups = [
               "audio"
             ];
@@ -323,12 +274,10 @@ in
 
           onion = {
             uid = 6660010;
-            group = "tv-sub";
           };
 
           zalora = {
             uid = 1000301;
-            group = "tv-sub";
             extraGroups = [
               "audio"
               # TODO remove vboxusers when hardening is active
@@ -340,17 +289,12 @@ in
 
       security.sudo.extraConfig =
         let
-          inherit (import ../../4lib/tv { inherit lib pkgs; })
-            isSuffixOf;
-
-          hasMaster = { group ? "", ... }:
-            isSuffixOf "-sub" group;
-
-          masterOf = user : removeSuffix "-sub" user.group;
+          isSlave = u: elem "slaves" u.extraGroups;
+          masterOf = u: u.group;
+          slaves = filterAttrs (_: isSlave) config.users.extraUsers;
+          toSudoers = u: "${masterOf u} ALL=(${u.name}) NOPASSWD: ALL";
         in
-        concatStringsSep "\n"
-          (map (u: "${masterOf u} ALL=(${u.name}) NOPASSWD: ALL")
-               (filter hasMaster (attrValues config.users.extraUsers)));
+        concatMapStringsSep "\n" toSudoers (attrValues slaves);
     }
   ];
 
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