feat(y2q): add grafana

- Add runit service for Grafana
- Add Caddy route for grafana.ts.toast.name

home/modules/runit/services/caddy.nix

@@ -19,6 +19,11 @@
       # Glances
       reverse_proxy http://localhost:61208
     }
+
+    http://grafana.ts.toast.name {
+      # Grafana
+      reverse_proxy http://localhost:${config.runit.services.grafana.environment.GF_SERVER_HTTP_PORT}
+    }
   '';
 
   runit.services.caddy = {

home/modules/runit/services/grafana.nix

@@ -0,0 +1,21 @@
+{ pkgs, config, ... }:
+
+{
+  runit.services.grafana = {
+    script = ''
+      HOME_PATH=$HOME/services/grafana
+      mkdir -p "$HOME_PATH"
+
+      exec ${pkgs.grafana}/bin/grafana server \
+        --homepath ${pkgs.grafana}/share/grafana
+    '';
+
+    environment = {
+      GF_SERVER_HTTP_ADDR = "127.0.0.1";
+      GF_SERVER_HTTP_PORT = "3000";
+      GF_PATHS_DATA = "${config.home.homeDirectory}/services/grafana";
+    };
+
+    log.enable = true;
+  };
+}