Red Hat OpenShift Container Platform 4 upgrade fails due to "unable to load signature: Get https://mirror.openshift.com/pub/openshiftv4/signatures/openshift/release/sha256=77 x509: certificate signed by unknown authority".

Solution Verified - Updated -

Issue

  • Red Hat OpenShift Container Platform upgrade stuck at

    unable to load signature: Get https://mirror.openshift.com/pub/openshiftv4/signatures/openshift/release/sha256=77ade34c373062c6a6c869e0e56ef93b2faaa373adadaac1430b29484a24d843/signature-9: x509: certificate signed by unknown authority.'
    
  • Upgrade from 4.2.12 to 4.2.14.
  • CVO pod is not picking up the custom CA in a proxy environment.

Environment

  • Red Hat OpenShift Container Platform
    • 4.2.12.

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