Update "Nodes Overview" dashboard to avoid CP doubble count (#650)

* Etcd count dashboard fix with exported namespace * Add changelog entry * Add label_replace to work with new and old label name * Update "Nodes Overview" dashboard to avoid CP doubble count * Add changelog entry
giantswarm · Dec 23, 2024 · 8358f29 · 8358f29
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Fixed nodes overview dashboard to avoid master duplicating numbers.
+
 ## [3.26.1] - 2024-11-12
 
 ### Added

diff --git a/helm/dashboards/charts/public_dashboards/dashboards/shared/public/nodes-overview.json b/helm/dashboards/charts/public_dashboards/dashboards/shared/public/nodes-overview.json
@@ -238,7 +238,7 @@
             "type": "prometheus",
             "uid": "$datasource"
           },
-          "expr": "count(kube_node_role{cluster_id=\"$cluster\",organization=~\"$organization\",role=~\"control-plane|master\"})",
+          "expr": "count(count(kube_node_role{cluster_id=\"$cluster\",organization=~\"$organization\",role=~\"control-plane|master\"}) by (node))",
           "interval": "",
           "legendFormat": "Control plane nodes",
           "refId": "A"