OpenShift Upgrade Stuck on Cluster Operators Degraded: Error creating: Internal error occurred: admission plugin "MutatingAdmissionWebhook" failed to complete mutation in 13s`

Solution Verified - Updated -

Issue

  1. During the upgrade of OpenShift Container Platform, the upgrade process became stuck, and several Cluster Operators were in a degraded state. The following error message was encountered:

Error Message: Error creating: Internal error occurred: admission plugin "MutatingAdmissionWebhook" failed to complete mutation in 13s.

  1. Cluster events indicating a timeout with the vmware-vsphere-csi-driver-webhook
1h39m       Normal    OperatorStatusChanged                            deployment/cluster-storage-operator             Status for clusteroperator/storage changed: Progressing changed from False to True ("VSphereProgressing: Waiting for Deployment to deploy pods")
1h39m       Normal    OperatorStatusChanged                            deployment/cluster-storage-operator             Status for clusteroperator/storage changed: Degraded message changed from "VSphereCSIDriverOperatorCRDegraded: VMwareVSphereOperatorCheckDegraded: error logging into vcenter: ServerFaultCode: Cannot complete login due to an incorrect user name or password." to "VSphereCSIDriverOperatorCRDegraded: VMwareVSphereOperatorCheckDegraded: error logging into vcenter: ServerFaultCode: Cannot complete login due to an incorrect user name or password.\nVSphereCSIDriverOperatorDeploymentDegraded: deployment openshift-cluster-csi-drivers/vmware-vsphere-csi-driver-operator has some pods failing; unavailable replicas=1"
1h34m       Normal    Killing                                          pod/csi-snapshot-controller-8894bfdb6-gbjww     Stopping container snapshot-controller
11m         Warning   FailedCreate                                     replicaset/csi-snapshot-controller-8894bfdb6    Error creating: Internal error occurred: admission plugin "MutatingAdmissionWebhook" failed to complete mutation in 13s

Environment

  • Red Hat OpenShift Container Platform
    • 4.x

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