alpine: many changes

- updates
- snapserver
- graphana dashboards
- loki
- ddclient
- arr suite, jellyseer
- mautrix fixes

nixos/services/grafana.nix

@@ -1,6 +1,15 @@
-{config, ...}: let
+{config, lib, pkgs, ...}: let
   cfg = config.services.grafana;
   secrets = config.sops.secrets;
+  mkDashboards = dashboards: pkgs.symlinkJoin {
+    name = "dashboards";
+    paths = map mkDashboard dashboards;
+  };
+  mkDashboard = {name, url, sha256}: pkgs.writeTextFile {
+    inherit name;
+    text = builtins.readFile ( builtins.fetchurl {inherit url sha256;} );
+    destination = "/dash/${name}.json";
+  };
 in {
   sops.secrets."grafana/oidc_client_secret" = {
     owner = "grafana";
@@ -25,6 +34,22 @@ in {
         role_attribute_path = "contains(groups[*], 'Grafana Admins') && 'Admin' || contains(groups[*], 'Grafana Editors') && 'Editor' || 'Viewer'";
       };
     };
+    provision.dashboards.settings.providers = [{
+      name = "Node Exporter";
+      type = "file";
+      options.path = mkDashboards [
+      {
+        name = "node-exporter";
+        url = "https://grafana.com/api/dashboards/1860/revisions/37/download";
+        sha256 = "sha256:0qza4j8lywrj08bqbww52dgh2p2b9rkhq5p313g72i57lrlkacfl";
+      }
+      {
+        name = "synapse";
+        url = "https://raw.githubusercontent.com/element-hq/synapse/refs/heads/master/contrib/grafana/synapse.json";
+        sha256 = "sha256:07qlr0waw9phmyd38bv22bn5v303w3397b89l44l3lzwhpnhs16s";
+      }
+      ];
+    }];
   };
   services.nginx.virtualHosts = {
     ${cfg.settings.server.domain} = {