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atlas pods: select per-namespace top node via max match

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This commit is contained in:
Brad Stein 2025-12-13 04:15:03 -03:00
parent d916e5a7f1
commit 6a3d1311b9
3 changed files with 9 additions and 4 deletions
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9
scripts/dashboards_render_atlas.py
View File

@ -1176,8 +1176,13 @@ def build_pods_dashboard():
table_panel(
10,
"Namespace Plurality by Node",
'topk(1, sum by (namespace,node) (kube_pod_info{pod!=""}) '
'/ on(namespace) group_left sum by (namespace) (kube_pod_info{pod!=""}))',
'('
' (sum by (namespace,node) (kube_pod_info{pod!=""}) '
' / sum by (namespace) (kube_pod_info{pod!=""})) '
'== on(namespace) '
' max by (namespace) (sum by (namespace,node) (kube_pod_info{pod!=""}) '
' / sum by (namespace) (kube_pod_info{pod!=""}))'
')',
{"h": 8, "w": 24, "x": 0, "y": 42},
unit="percent",
transformations=[

2
services/monitoring/dashboards/atlas-pods.json
View File

@ -508,7 +508,7 @@
},
"targets": [
{
"expr": "topk(1, sum by (namespace,node) (kube_pod_info{pod!=\"\"}) / on(namespace) group_left sum by (namespace) (kube_pod_info{pod!=\"\"}))",
"expr": "( (sum by (namespace,node) (kube_pod_info{pod!=\"\"}) / sum by (namespace) (kube_pod_info{pod!=\"\"})) == on(namespace) max by (namespace) (sum by (namespace,node) (kube_pod_info{pod!=\"\"}) / sum by (namespace) (kube_pod_info{pod!=\"\"})))",
"refId": "A",
"instant": true
}

2
services/monitoring/grafana-dashboard-pods.yaml
View File

@ -517,7 +517,7 @@ data:
},
"targets": [
{
"expr": "topk(1, sum by (namespace,node) (kube_pod_info{pod!=\"\"}) / on(namespace) group_left sum by (namespace) (kube_pod_info{pod!=\"\"}))",
"expr": "( (sum by (namespace,node) (kube_pod_info{pod!=\"\"}) / sum by (namespace) (kube_pod_info{pod!=\"\"})) == on(namespace) max by (namespace) (sum by (namespace,node) (kube_pod_info{pod!=\"\"}) / sum by (namespace) (kube_pod_info{pod!=\"\"})))",
"refId": "A",
"instant": true
}