atlas dashboards: cap pod count bars at top12

scripts/dashboards_render_atlas.py

@@ -558,7 +558,7 @@ def pie_panel(panel_id, title, expr, grid):
     }
 
 
-def bargauge_panel(panel_id, title, expr, grid, *, unit="none", links=None):
+def bargauge_panel(panel_id, title, expr, grid, *, unit="none", links=None, limit=None):
     """Return a bar gauge panel with label-aware reduction."""
     panel = {
         "id": panel_id,
@@ -603,6 +603,8 @@ def bargauge_panel(panel_id, title, expr, grid, *, unit="none", links=None):
             "options": {"fields": ["Value"], "order": "desc"},
         }
     ]
+    if limit:
+        panel["transformations"].append({"id": "limit", "options": {"limit": limit}})
     return panel
 
 
@@ -890,6 +892,7 @@ def build_overview():
             'topk(12, sum(kube_pod_info{pod!=""}) by (node))',
             {"h": 10, "w": 12, "x": 12, "y": 54},
             unit="none",
+            limit=12,
         )
     )
 
@@ -1087,6 +1090,7 @@ def build_pods_dashboard():
             'topk(12, sum(kube_pod_info{pod!=""}) by (node))',
             {"h": 8, "w": 12, "x": 0, "y": 34},
             unit="none",
+            limit=12,
         )
     )
     return {

services/monitoring/dashboards/atlas-overview.json

@@ -1500,6 +1500,12 @@
             ],
             "order": "desc"
           }
+        },
+        {
+          "id": "limit",
+          "options": {
+            "limit": 12
+          }
         }
       ]
     },

services/monitoring/dashboards/atlas-pods.json

@@ -483,6 +483,12 @@
             ],
             "order": "desc"
           }
+        },
+        {
+          "id": "limit",
+          "options": {
+            "limit": 12
+          }
         }
       ]
     }

services/monitoring/grafana-dashboard-overview.yaml

@@ -1509,6 +1509,12 @@ data:
                 ],
                 "order": "desc"
               }
+            },
+            {
+              "id": "limit",
+              "options": {
+                "limit": 12
+              }
             }
           ]
         },

services/monitoring/grafana-dashboard-pods.yaml

@@ -492,6 +492,12 @@ data:
                 ],
                 "order": "desc"
               }
+            },
+            {
+              "id": "limit",
+              "options": {
+                "limit": 12
+              }
             }
           ]
         }