From 23c7c10f5a5ed83dca001d7382e5b89981277f8c Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sat, 6 Feb 2016 15:11:30 +0100
Subject: krebs.retiolum.hosts: change type to attrsOf host

---
 krebs/3modules/retiolum.nix | 46 ++++++++++++++++++++++-----------------------
 1 file changed, 23 insertions(+), 23 deletions(-)

(limited to 'krebs/3modules/retiolum.nix')

diff --git a/krebs/3modules/retiolum.nix b/krebs/3modules/retiolum.nix
index e0e2692a8..08ac96461 100644
--- a/krebs/3modules/retiolum.nix
+++ b/krebs/3modules/retiolum.nix
@@ -1,6 +1,4 @@
 { config, pkgs, lib, ... }:
-
-with builtins;
 with lib;
 let
   cfg = config.krebs.retiolum;
@@ -40,7 +38,7 @@ let
       '';
     };
 
-    network = mkOption {
+    netname = mkOption {
       type = types.str;
       default = "retiolum";
       description = ''
@@ -65,10 +63,13 @@ let
     };
 
     hosts = mkOption {
-      type = with types; either package path;
-      default = ../Zhosts;
+      type = with types; attrsOf host;
+      default =
+        filterAttrs (_: h: hasAttr cfg.netname h.nets) config.krebs.hosts;
       description = ''
-        If a path is given, then it will be used to generate an ad-hoc package.
+        Hosts which should be part of the tinc configuration.
+        Note that these hosts must have a correspondingly named network
+        configured, see <literal>config.krebs.retiolum.netname</literal>.
       '';
     };
 
@@ -104,7 +105,7 @@ let
   };
 
   imp = {
-    environment.systemPackages = [ tinc hosts iproute ];
+    environment.systemPackages = [ tinc iproute ];
 
     networking.extraHosts = retiolumExtraHosts;
 
@@ -140,17 +141,16 @@ let
 
   tinc = cfg.tincPackage;
 
-  hosts = getAttr (typeOf cfg.hosts) {
-    package = cfg.hosts;
-    path = pkgs.stdenv.mkDerivation {
-      name = "custom-retiolum-hosts";
-      src = cfg.hosts;
-      installPhase = ''
-        mkdir $out
-        find . -name .git -prune -o -type f -print0 \
-          | xargs -0 cp --target-directory $out
-      '';
-    };
+  tinc-hosts = pkgs.stdenv.mkDerivation {
+    name = "${cfg.netname}-tinc-hosts";
+    phases = [ "installPhase" ];
+    installPhase = ''
+      mkdir $out
+      ${concatStrings (mapAttrsToList (_: host: ''
+        echo ${shell.escape host.nets.${cfg.netname}.tinc.config} \
+          > $out/${shell.escape host.name}
+      '') cfg.hosts)}
+    '';
   };
 
   iproute = cfg.iproutePackage;
@@ -159,7 +159,7 @@ let
     { }
     ''
       generate() {
-        (cd ${hosts}
+        (cd ${tinc-hosts}
           printf \'\'
           for i in `ls`; do
             names=$(hostnames $i)
@@ -180,11 +180,11 @@ let
           generate
           ;;
         long)
-          hostnames() { echo "$1.${cfg.network}"; }
+          hostnames() { echo "$1.${cfg.netname}"; }
           generate
           ;;
         both)
-          hostnames() { echo "$1.${cfg.network} $1"; }
+          hostnames() { echo "$1.${cfg.netname} $1"; }
           generate
           ;;
         *)
@@ -203,12 +203,12 @@ let
 
     mkdir -p $out
 
-    ln -s ${hosts} $out/hosts
+    ln -s ${tinc-hosts} $out/hosts
 
     cat > $out/tinc.conf <<EOF
     Name = ${cfg.name}
     Device = /dev/net/tun
-    Interface = ${cfg.network}
+    Interface = ${cfg.netname}
     ${concatStrings (map (c : "ConnectTo = " + c + "\n") cfg.connectTo)}
     PrivateKeyFile = /tmp/retiolum-rsa_key.priv
     ${cfg.extraConfig}
-- 
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