feat(modules/server): Add to srv module option sldsImport

1 files changed, 48 insertions, 5 deletions

diff --git a/modules/server/srv.nix b/modules/server/srv.nix
index 0ec63bd..8594c0a 100644
--- a/modules/server/srv.nix
+++ b/modules/server/srv.nix
@@ -29,6 +29,10 @@
       type = types.listOf types.str;
       default = [];
     };
+    sldsImport = mkOption {
+      type = types.listOf types.path;
+      default = [];
+    };
   };
 
   config = let
@@ -88,10 +92,49 @@
             config
             { srv.static.interface = "eth0"; })));
 
-    services.dnsmasq.settings.address = mkIf
-      (config.srv.static != null && config.srv.tld != null)
-      (builtins.map
-        (sld: "/${sld}.${config.srv.tld}/${config.srv.static.ip}")
-        config.srv.slds);
+    services.dnsmasq.settings.address = mkMerge [
+        (mkIf
+          (config.srv.static != null && config.srv.tld != null)
+          (builtins.map
+            (sld: "/${sld}.${config.srv.tld}/${config.srv.static.ip}")
+            config.srv.slds))
+
+        (mkIf
+          (config.srv.sldsImport != [])
+          (let
+            importModule = mpath:
+              let
+                module = import mpath;
+              in
+                if builtins.isFunction module
+                then module { config = {}; lib = {}; pkgs = {}; }
+                else module;
+
+            importSLDs = mpath:
+              let
+                module = importModule mpath;
+              in
+                (module.srv.slds or []) ++
+                (builtins.foldl'
+                  (acc: x:
+                    acc ++ importSLDs x)
+                  []
+                  (module.imports or []));
+
+            sldConfigs = builtins.map
+              (mpath:
+                let
+                  # TODO: ugly and hard-coded, must be fixed some day
+                  m = importModule mpath;
+                  inherit (m.srv) tld;
+                  inherit (m.srv.static) ip;
+                in
+                  builtins.map
+                    (sld: "/${sld}.${tld}/${ip}")
+                    (importSLDs mpath))
+              config.srv.sldsImport;
+          in
+            lib.flatten sldConfigs))
+      ];
   };
 }