Upgrade of OCP failed due to ansible error: expect char '{' but got char '\"'"

Solution Unverified - Updated -

Issue

  • Upgrading the control plane from 3.7 to 3.9 using the Ansible playbook fails
  • The Ansible log contains the following text as part of the final fatal error:

    expect char '{' but got char '\"'"
    

Environment

  • OpenShift Container Platform 3.0

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