Add volumes

configuration.nix

@@ -1,6 +1,6 @@
 { config, pkgs, lib, ... }:
 let
-  url-overlay = "https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nix-repo/archive/master.tar.gz";
+  url-overlay = "https://git.selfprivacy.org/SelfPrivacy/selfprivacy-nix-repo/archive/graphql.tar.gz";
   nix-overlay = (import (builtins.fetchTarball url-overlay));
 in
 {

variables-module.nix

@@ -163,5 +163,15 @@ in
       type = types.nullOr (types.listOf (types.attrsOf types.anything));
       default = [ ];
     };
+    ##############
+    #   Volumes  #
+    ##############
+    volumes = mkOption {
+      description = ''
+        Volumes that will be created on the server
+      '';
+      type = types.nullOr (types.listOf (types.attrsOf types.anything));
+      default = [ ];
+    };
   };
 }

variables.nix

@@ -45,5 +45,6 @@ in
       passwordAuthentication = lib.attrsets.attrByPath [ "ssh" "passwordAuthentication" ] true jsonData;
     };
     users = lib.attrsets.attrByPath [ "users" ] [ ] jsonData;
+    volumes = lib.attrsets.attrByPath [ "volumes" ] [ ] jsonData;
   };
 }

volumes.nix

@@ -0,0 +1,17 @@
+{ pkgs, config, ... }:
+let
+  cfg = config.services.userdata;
+in
+{
+  fileSystems = {
+    builtins.listToAttrs (builtins.map
+      (volume: {
+        name: "${volume.mountPoint}";
+        value: {
+          device = "${volume.device}";
+          fsType = "${volume.fsType}";
+        };
+      })
+    cfg.volumes);
+  }
+}