clanCore module: add clanSchema top level option

checks/impure/flake-module.nix

@@ -5,9 +5,13 @@
         check-clan-template = pkgs.writeShellScriptBin "check-clan-template" ''
           #!${pkgs.bash}/bin/bash
           set -euo pipefail
+
           export TMPDIR=$(${pkgs.coreutils}/bin/mktemp -d)
           trap "${pkgs.coreutils}/bin/chmod -R +w '$TMPDIR'; ${pkgs.coreutils}/bin/rm -rf '$TMPDIR'" EXIT
+
           export PATH="${lib.makeBinPath [
+            pkgs.coreutils
+            pkgs.curl
             pkgs.gitMinimal
             pkgs.gnugrep
             pkgs.jq
@@ -35,6 +39,9 @@
 
           echo check machine1 appears in nixosConfigurations
           nix flake show --json | jq '.nixosConfigurations' | grep -q machine1
+
+          echo check machine1 jsonschema can be evaluated
+          nix eval .#nixosConfigurations.machine1.config.clanSchema
         '';
       };
     in

nixosModules/clanCore/flake-module.nix

@@ -1,8 +1,18 @@
 { self, inputs, lib, ... }: {
-  flake.nixosModules.clanCore = { pkgs, ... }: {
+  flake.nixosModules.clanCore = { pkgs, options, ... }: {
+    imports = [
+      ./secrets
+      ./zerotier.nix
+      inputs.sops-nix.nixosModules.sops
+    ];
+    options.clanSchema = lib.mkOption {
+      type = lib.types.attrs;
+      description = "The json schema for the .clan options namespace";
+      default = self.lib.jsonschema.parseOptions options.clan;
+    };
     options.clanCore = {
       clanDir = lib.mkOption {
-        type = lib.types.str;
+        type = lib.types.either lib.types.path lib.types.str;
         description = ''
           the location of the flake repo, used to calculate the location of facts and secrets
         '';
@@ -23,10 +33,5 @@
         utility outputs for clan management of this machine
       '';
     };
-    imports = [
-      ./secrets
-      ./zerotier.nix
-      inputs.sops-nix.nixosModules.sops
-    ];
   };
 }