grafana: smooth power draw

services/monitoring.nix

@@ -74,6 +74,12 @@ let
             legendFormat = "Power (W)";
             refId = "A";
           }
+          {
+            datasource = promDs;
+            expr = "avg_over_time((apcupsd_ups_load_percent / 100 * apcupsd_nominal_power_watts)[1h:])";
+            legendFormat = "1h average (W)";
+            refId = "B";
+          }
         ];
         fieldConfig = {
           defaults = {
@@ -85,7 +91,50 @@ let
               spanNulls = true;
             };
           };
-          overrides = [ ];
+          overrides = [
+            {
+              matcher = {
+                id = "byFrameRefID";
+                options = "A";
+              };
+              properties = [
+                {
+                  id = "custom.lineStyle";
+                  value = {
+                    fill = "dot";
+                  };
+                }
+                {
+                  id = "custom.fillOpacity";
+                  value = 10;
+                }
+                {
+                  id = "custom.lineWidth";
+                  value = 1;
+                }
+                {
+                  id = "custom.pointSize";
+                  value = 1;
+                }
+              ];
+            }
+            {
+              matcher = {
+                id = "byFrameRefID";
+                options = "B";
+              };
+              properties = [
+                {
+                  id = "custom.lineWidth";
+                  value = 4;
+                }
+                {
+                  id = "custom.fillOpacity";
+                  value = 0;
+                }
+              ];
+            }
+          ];
         };
       }
       {