too lazy to think of a message, so enjoy this pointless text. Good luck future me...

clanServices/k3s/default.nix

@@ -30,11 +30,59 @@ in
             Temporary option till I figure out something useful
           '';
         };
+
+        crossplane.resources.composite = mkOption {
+          type = with types; listOf (either path attrs);
+          default = [];
+          example = lib.literalExpression ''
+            [
+              ../manifests/my-composite-resource.yml
+              {
+                apiVersion = "v1";
+                kind = "CompositeResourceDefinition";
+                metadata = {
+                  name = "app-service";
+                };
+                spec = {
+                  selector = {
+                    "app.kubernetes.io/name" = "MyApp";
+                  };
+                  ports = [
+                    {
+                      name = "name-of-service-port";
+                      protocol = "TCP";
+                      port = 80;
+                      targetPort = "http-web-svc";
+                    }
+                  ];
+                };
+              }
+            ];
+          '';
+          description = ''
+            Temporary option till I figure out something useful
+          '';
+        };
+
+        # crossplane.resources.managed = mkOption {
+        #   type = with types; listOf (either path attrs);
+        #   default = [];
+        #   example = lib.literalExpression ''
+        #     [
+        #       ../manifests/my-managed-resource.yml
+        #     ];
+        #   '';
+        #   description = ''
+        #     Temporary option till I figure out something useful
+        #   '';
+        # };
       };
     };
 
     perInstance = { instanceName, settings, machine, roles, ... }: {
       nixosModule = { config, pkgs, ... }: {
+        environment.systemPackages = with pkgs; [ k9s linkerd ];
+
         clan.core.vars.generators.k3s = {
           share = false;
           files = {
@@ -113,6 +161,8 @@ in
 
                 deploymentStrategy = "RollingUpdate";
               };
+
+              extraDeploy = settings.crossplane.resources.composite;
             };
           };
         };