Sorry there is a typo, I meant to say : "BTW, when preflight check FAILED, the message is good, like:" ...
Checked with latest image: brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/openshift3/metrics-deployer 3.3.0 d2564383e350 9 hours ago 757.6 MB brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/openshift3/metrics-heapster 3.3.0 4cfa2083950e 14 hours ago 287 MB brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/openshift3/metrics-hawkular-metrics 3.3.0 3ab97c3f7395 2 weeks ago 1.663 GB brew-pulp-docker01.web.prod.ext.phx2.redhat.com:8888/openshift3/metrics-cassandra 3.3.0 f460976d4f99 2 weeks ago 837.8 MB The unreadable diag message has been removed: PREFLIGHT CHECK SUCCEEDED validate_master_accessible: ok validate_hostname: The HAWKULAR_METRICS_HOSTNAME value is deemed acceptable. validate_deployer_secret: ok Success!
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, 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-2016:1933