grafana: add minecraft server stats

services/grafana/dashboard.nix

@@ -687,6 +687,188 @@ let
           overrides = [ ];
         };
       }
+
+      # -- Row 6: Minecraft --
+      {
+        id = 14;
+        type = "stat";
+        title = "Minecraft Players";
+        gridPos = {
+          h = 8;
+          w = 6;
+          x = 0;
+          y = 40;
+        };
+        datasource = promDs;
+        targets = [
+          {
+            datasource = promDs;
+            expr = "sum(minecraft_status_players_online_count) or vector(0)";
+            refId = "A";
+          }
+        ];
+        fieldConfig = {
+          defaults = {
+            thresholds = {
+              mode = "absolute";
+              steps = [
+                {
+                  color = "green";
+                  value = null;
+                }
+                {
+                  color = "yellow";
+                  value = 3;
+                }
+                {
+                  color = "red";
+                  value = 6;
+                }
+              ];
+            };
+          };
+          overrides = [ ];
+        };
+        options = {
+          reduceOptions = {
+            calcs = [ "lastNotNull" ];
+            fields = "";
+            values = false;
+          };
+          colorMode = "value";
+          graphMode = "area";
+        };
+      }
+      {
+        id = 15;
+        type = "stat";
+        title = "Minecraft Server";
+        gridPos = {
+          h = 8;
+          w = 6;
+          x = 6;
+          y = 40;
+        };
+        datasource = promDs;
+        targets = [
+          {
+            datasource = promDs;
+            expr = "max(minecraft_status_healthy) or vector(0)";
+            refId = "A";
+          }
+        ];
+        fieldConfig = {
+          defaults = {
+            mappings = [
+              {
+                type = "value";
+                options = {
+                  "0" = {
+                    text = "Offline";
+                    color = "red";
+                    index = 0;
+                  };
+                  "1" = {
+                    text = "Online";
+                    color = "green";
+                    index = 1;
+                  };
+                };
+              }
+            ];
+            thresholds = {
+              mode = "absolute";
+              steps = [
+                {
+                  color = "red";
+                  value = null;
+                }
+                {
+                  color = "green";
+                  value = 1;
+                }
+              ];
+            };
+          };
+          overrides = [ ];
+        };
+        options = {
+          reduceOptions = {
+            calcs = [ "lastNotNull" ];
+            fields = "";
+            values = false;
+          };
+          colorMode = "value";
+          graphMode = "none";
+        };
+      }
+      {
+        id = 16;
+        type = "timeseries";
+        title = "Minecraft Player Activity";
+        gridPos = {
+          h = 8;
+          w = 12;
+          x = 12;
+          y = 40;
+        };
+        datasource = promDs;
+        targets = [
+          {
+            datasource = promDs;
+            expr = "sum(minecraft_status_players_online_count) or vector(0)";
+            legendFormat = "Online players";
+            refId = "A";
+          }
+          {
+            datasource = promDs;
+            expr = "max(minecraft_status_players_max_count) or vector(0)";
+            legendFormat = "Max players";
+            refId = "B";
+          }
+        ];
+        fieldConfig = {
+          defaults = {
+            unit = "short";
+            min = 0;
+            decimals = 0;
+            color.mode = "palette-classic";
+            custom = {
+              lineWidth = 2;
+              fillOpacity = 15;
+              spanNulls = true;
+            };
+          };
+          overrides = [
+            {
+              matcher = {
+                id = "byFrameRefID";
+                options = "B";
+              };
+              properties = [
+                {
+                  id = "custom.lineStyle";
+                  value = {
+                    fill = "dash";
+                    dash = [
+                      8
+                      4
+                    ];
+                  };
+                }
+                {
+                  id = "custom.fillOpacity";
+                  value = 0;
+                }
+                {
+                  id = "custom.lineWidth";
+                  value = 1;
+                }
+              ];
+            }
+          ];
+        };
+      }
     ];
   };
 in