[RHOCP 4.11] dial tcp: lookup oauth-openshift.apps.abc-xpto.xyz.aws.devtest.xyznet.com.au on XXX.XX.XX.XX:53: no such host (this is likely result of malfunctioning DNS server)

Solution In Progress - Updated -

Issue

  • Cannot install Red Hat OpenShift Cluster Platform 4.11 on AWS infra.

  • Facing issues in the process, seemingly due to DNS/proxy server problems. The logs show:

    dial tcp: lookup oauth-openshift.apps.abc-xpto.xyz.aws.devtest.xyznet.com.au on XXX.XX.XX.XX:53: no such host (this is likely result of malfunctioning DNS server)
...
failed to initialize the cluster: Some cluster operators are still updating: authentication, console, ingress"

Environment

  • Red Hat OpenShift Cluster Platform (RHOCP) 4.11.
  • AWS infra.

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