Create new alerting rules based on platform-defined metrics in OpenShift

Solution Verified - Updated -


  • How to create an alerting rule for platform-level metrics?
  • How to create PrometheusRules for cluster-related metrics (openshift-, kube- and default namespaces)?
  • We have one custom metrics whose main purpose is to define an alert using the kube_node_labels metric. However, inside of Thanos ruler the expression is modified to have namespace filter:

  • In the transformed expression, kube_node_labels{namespace="platform"} will not work since the kube_node_labels metrics do not have a namespace tag.

  • How to scrape the metrics for kube-state-metrics which are by default only scrapped by Prometheus in openshift-monitoring?


  • Red Hat OpenShift Container Platform (RHOCP)
    • 4

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