chore: run grafana test only on Linux; document that it is broken on …

…Darwin

doc/grafana.md

@@ -1,6 +1,8 @@
 # Grafana
 
-[Grafana open source](https://grafana.com/docs/grafana/latest/) is open source visualization and analytics software. It allows you to query, visualize, alert on, and explore your metrics, logs, and traces no matter where they are stored. It provides you with tools to turn your time-series database (TSDB) data into insightful graphs and visualizations.
+[Grafana open source](https://grafana.com/docs/grafana/latest/)[^broken-on-darwin] is open source visualization and analytics software. It allows you to query, visualize, alert on, and explore your metrics, logs, and traces no matter where they are stored. It provides you with tools to turn your time-series database (TSDB) data into insightful graphs and visualizations.
+
+[^broken-on-darwin]: Grafana is broken on Darwin since `11.0.0` (<https://github.com/NixOS/nixpkgs/pull/311701>). Also see the issue to track the fix: <https://github.com/NixOS/nixpkgs/issues/316954>
 
 ## Getting Started
 

test/flake.nix

@@ -32,7 +32,7 @@
                 ];
               };
           in
-          builtins.listToAttrs (builtins.map mkPackageFor [
+          builtins.listToAttrs (builtins.map mkPackageFor ([
             "${inputs.services-flake}/nix/apache-kafka_test.nix"
             "${inputs.services-flake}/nix/clickhouse/clickhouse_test.nix"
             "${inputs.services-flake}/nix/elasticsearch_test.nix"
@@ -42,13 +42,15 @@
             "${inputs.services-flake}/nix/redis_test.nix"
             "${inputs.services-flake}/nix/redis-cluster_test.nix"
             "${inputs.services-flake}/nix/zookeeper_test.nix"
-            "${inputs.services-flake}/nix/grafana_test.nix"
             "${inputs.services-flake}/nix/prometheus_test.nix"
             "${inputs.services-flake}/nix/pgadmin_test.nix"
             "${inputs.services-flake}/nix/cassandra_test.nix"
             "${inputs.services-flake}/nix/tempo_test.nix"
             "${inputs.services-flake}/nix/weaviate_test.nix"
-          ]);
+          ] ++ lib.optionals pkgs.stdenv.isLinux [
+            # Broken on Darwin: https://github.com/NixOS/nixpkgs/issues/316954
+            "${inputs.services-flake}/nix/grafana_test.nix"
+          ]));
       };
     };
 }