Description of problem: The operator doesn't have a master toleration, so it cannot be scheduled on masters. if users have tainted all the worker nodes then the operator is failing to be scheduled. Other CO like monitoring operator have master toleration https://github.com/openshift/cluster-monitoring-operator/blob/b586835ac9669bed4cc030f66e3be31f6e6b3dd7/assets/prometheus-operator/deployment.yaml#L85-L88
This is 4.5 clone of https://bugzilla.redhat.com/show_bug.cgi?id=1871955
Verified pass on 4.5.0-0.nightly-2020-09-26-194704. With the fix of nodeSelector and tolerations, now the related pods are deployed on master.
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 (OpenShift Container Platform 4.5.14 bug fix 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/RHBA-2020:3843