Deployment of Overcloud failed: 504 Gateway Time-out, The server didn't respond in time

Solution Verified - Updated -

Issue

  • The deployment of the overcloud failed with the error: 504 Gateway Time-out, The server didn't respond in time
  • Cannot communicate with Director's keystone any more and every openstack command against the undercloud gets stuck when trying to establish an HTTP(S) connection.

Environment

  • Red Hat OpenStack Platform Version 10.0

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