Modules/constraints: init constraints checking for inventory compatible modules

2024-11-12 18:35:01 +01:00
parent 53a8771c18
commit 241db1cade
9 changed files with 203 additions and 25 deletions
--- a/lib/constraints/interface.nix
+++ b/lib/constraints/interface.nix
@@ -0,0 +1,54 @@
+{ lib, allRoles, ... }:
+let
+  inherit (lib) mkOption types;
+  rolesAttrs = builtins.groupBy lib.id allRoles;
+in
+{
+  options.roles = lib.mapAttrs (
+    _name: _:
+    mkOption {
+      default = { };
+      type = types.submoduleWith {
+        modules = [
+          {
+            options = {
+              max = mkOption {
+                type = types.nullOr types.int;
+                default = null;
+              };
+              min = mkOption {
+                type = types.int;
+                default = 0;
+              };
+              eq = mkOption {
+                type = types.nullOr types.int;
+                default = null;
+              };
+            };
+          }
+        ];
+      };
+    }
+  ) rolesAttrs;
+
+  # The resulting assertions
+  options.assertions = mkOption {
+    default = [ ];
+    type = types.listOf (
+      types.submoduleWith {
+        modules = [
+          {
+            options = {
+              assertion = mkOption {
+                type = types.bool;
+              };
+              message = mkOption {
+                type = types.str;
+              };
+            };
+          }
+        ];
+      }
+    );
+  };
+}