Openshift-dns daemonsets doesn't include toleration to run on nodes with taints

Solution Verified - Updated -


  • Openshift-dns daemonset doesn't include toleration to run on nodes with taints. After a NoSchedule taint is configured for a node, the daemon set stops managing the pods on that node and 2 things happen:

    • If the pods are deleted on nodes with taint, they won't be recovered.
    • The following alerts are triggering:

      Pods of `DaemonSet openshift-dns/dns-default` are running where they are not supposed to run.


  • Red Hat OpenShift Container Platform (RHOCP)
    • 4

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