Upgrading to OpenShift 3.10 failed and the Master API is not coming up

Solution Verified - Updated -

Issue

  • The OpenShift got upgraded from OCP3.9 to OCP3.10. However, all atomic-openshift-master* services got masked and are in disabled state and the upgrade playbook is complaining about the following failure:

    FAILED - RETRYING: verify API server (1 retries left).

  • Master API pod is restarting every 10s and it is not coming up

    Back-off 10s restarting failed container=api pod=master-api-<hostname>

  • The Master API is complaining from the following error:

    Invalid MasterConfig /etc/origin/master/master-config.yaml
  oauthConfig.identityProvider[0].provider.file: Invalid value: "/root/users.txt": could not read file: stat /root/users.txt: no such file or directory

Environment

  • Openshift Container Platform (OCP) 3.10

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