OpenShift Container Platform 4 でアラート ClusterVersionOperatorDown が発生している
Issue
-
OCP 4 クラスターの 1 つで以下のアラートを受信しています。
cluster-version-operator
Pod は起動して実行中ですが、以下のメッセージが表示されます。Alert details (rated as a P2) alert: ClusterVersionOperatorDown expr: absent(up{job="cluster-version-operator"} == 1) for: 10m labels: severity: critical annotations: message: Cluster version operator has disappeared from Prometheus target discovery. Operator may be down or disabled, cluster will not be kept up to date and upgrades will not be possible.
Environment
- Red Hat OpenShift Container Platform (RHOCP)
- 4.x
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