cluster/services/monitoring: provision dashboards

cluster/services/monitoring/default.nix

@@ -35,6 +35,7 @@ in
       server = [
         ./server.nix
         ./tracing.nix
+        ./provisioning/dashboards.nix
       ];
     };
   };

cluster/services/monitoring/provisioning/dashboards.nix

@@ -0,0 +1,24 @@
+{ lib, pkgs, ... }:
+
+let
+  loadDashboard = file: lib.pipe file [
+    lib.importJSON
+    ({ dashboard, ... }: rec {
+      name = "provision-dashboard-${dashboard.uid}.json";
+      path = builtins.toFile name (builtins.toJSON dashboard);
+    })
+  ];
+
+  dashboardsDir = pkgs.linkFarm
+    "grafana-provisioning-dashboards"
+    (map loadDashboard (lib.filesystem.listFilesRecursive ./objects/dashboards));
+in
+
+{
+  services.grafana.provision.dashboards.settings = {
+    providers = lib.singleton {
+      options.path = dashboardsDir;
+      allowUiUpdates = true;
+    };
+  };
+}