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WIP: OCPBUGS-42087: Add an alert for watch cache readiness #1822

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WIP: OCPBUGS-42087: Add an alert for watch cache readiness #1822

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18 changes: 18 additions & 0 deletions bindata/assets/alerts/kube-apiserver-watch-cache.yaml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,18 @@
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
name: kube-apiserver-watch-cache
namespace: openshift-kube-apiserver
spec:
groups:
- name: kube-apiserver-watch-cache
rules:
- alert: KubeAPIWatchCacheNotReady
annotations:
summary: "Watch cache for resource {{ $labels.resource }} is not ready."
description: "The watch cache for resource {{ $labels.resource }} has been in a non-ready state for more than 3 minutes."
expr: apiserver_watch_cache_ready == 0
for: 1m
labels:
namespace: openshift-kube-apiserver
severity: critical
1 change: 1 addition & 0 deletions pkg/operator/starter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -241,6 +241,7 @@ func RunOperator(ctx context.Context, controllerContext *controllercmd.Controlle
"assets/alerts/kube-apiserver-requests.yaml",
"assets/alerts/kube-apiserver-slos-basic.yaml",
"assets/alerts/podsecurity-violations.yaml",
"assets/alerts/kube-apiserver-watch-cache.yaml",
},
(&resourceapply.ClientHolder{}).
WithKubernetes(kubeClient).
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