As IPI provide local DNS in addition to coredns running with OCP & it adds local nodes as nameserver in resolv.conf [ via /etc/NetworkManager/dispatcher.d/30-resolv-prepender ] which is creation issues request is sometimes sent to local coredns & sometimes to external dns. This behavior do not allow nodes to reach RHV Engine and the installation fail. Version: $ openshift-install version 4.6/4.7 Platform: ovirt Please specify: * IPI What happened? Installation failed and RHV Engine cannot be reached.
this behavior didn't change since 4.6 and we didn't have any issues back then.
Moving to modified as 1882209
The test basically needs to cover if the DNS resolution is working correctly. It hard to reproduce the bug but it happens sometimes. In my env. the patch fixes the report.
bz 1882209 has been verified. Based on this, the bug can be considered as verified from our side as well. Verified on 4.7.0-fc.5
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Moderate: OpenShift Container Platform 4.7.0 security, bug fix, and enhancement update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2020:5633