fix(alerts): use sum by instance max for 'KubeAggregatedAPIErrors'

sebastiangaiser · sebastiangaiser · commit c56849bcc3bd · 2024-12-05T20:55:20.000Z
Signed-off-by: Sebastian Gaiser &lt;sebastiangaiser@users.noreply.github.com&gt;
diff --git a/alerts/kube_apiserver.libsonnet b/alerts/kube_apiserver.libsonnet
@@ -88,7 +88,7 @@ local utils = import '../lib/utils.libsonnet';
           {
             alert: 'KubeAggregatedAPIErrors',
             expr: |||
-              sum by(name, namespace, %(clusterLabel)s)(increase(aggregator_unavailable_apiservice_total{%(kubeApiserverSelector)s}[10m])) > 4
+              sum by (instance) (max by(name, namespace, %(clusterLabel)s)(increase(aggregator_unavailable_apiservice_total{%(kubeApiserverSelector)s}[10m]))) > 4
             ||| % $._config,
             labels: {
               severity: 'warning',

Original file line number	Diff line number	Diff line change
`@@ -88,7 +88,7 @@ local utils = import '../lib/utils.libsonnet';`
`88`	`88`	`{`
`89`	`89`	`alert: 'KubeAggregatedAPIErrors',`
`90`	`90`	`expr: \|\|\|`
`91`		`- sum by(name, namespace, %(clusterLabel)s)(increase(aggregator_unavailable_apiservice_total{%(kubeApiserverSelector)s}[10m])) > 4`
	`91`	`+ sum by (instance) (max by(name, namespace, %(clusterLabel)s)(increase(aggregator_unavailable_apiservice_total{%(kubeApiserverSelector)s}[10m]))) > 4`
`92`	`92`	`\|\|\| % $._config,`
`93`	`93`	`labels: {`
`94`	`94`	`severity: 'warning',`