[RHOCP 4] Encountering a 503 error on the passthrough route when the domain differs from *.apps.

Solution In Progress - Updated -

Issue

  • Router pods are returning a fe_no_sni alert in the access logging.

    <Date> <Time> <Hostname of Worker Node> <FQDN of Worker Node> haproxy[57]: 10.2xx.xx5.1xx:62375 [Date:Time] fe_no_sni~ openshift_default/<NOSRV> 0/-1/-1/-1/0 503 2660 - - SC-- 126/1/0/0/0 0/0 "GET / HTTP/1.1"
  • Receiving a 503 error from router pods on a passthrough route when the external LoadBalancer fails to pass headers to the router pods.

Environment

  • Red Hat OpenShift Container Platform
    • 4

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