Created attachment 1285085 [details]
The host file and upgrade logs

Description of problem:
upgrade_control_plane.yml failed at playbooks/common/openshift-cluster/upgrades/pre/verify_upgrade_targets.yml:27. the qe-auto-node-registry-router-infra-1.0605-sj3.qe.rhcloud.com have the role of master. It should be skipped during upgrade_control_plane. 


TASK [Fail when unable to determine available OpenShift RPM version] ***********
skipping: [qe-auto-master-etcd-1.0605-sj3.qe.rhcloud.com]
skipping: [qe-auto-master-etcd-3.0605-sj3.qe.rhcloud.com]
skipping: [qe-auto-master-etcd-2.0605-sj3.qe.rhcloud.com]
fatal: [qe-auto-node-registry-router-infra-1.0605-sj3.qe.rhcloud.com]: FAILED! => {
    "changed": false,
    "failed": true
}

MSG:

Unable to determine available OpenShift RPM version



Version-Release number of selected component (if applicable):
openshift-ansible-3.6.94-1.git.0.fff177b.el7.noarch

How reproducible:
always

Steps to Reproduce:
1. install v3.5 HA Env (3 masters + 1 standalone node)
2. Upgrade to v3.6
3.

Actual results:
TASK [Fail when unable to determine available OpenShift RPM version] ***********
skipping: [qe-auto-master-etcd-1.0605-sj3.qe.rhcloud.com]
skipping: [qe-auto-master-etcd-3.0605-sj3.qe.rhcloud.com]
skipping: [qe-auto-master-etcd-2.0605-sj3.qe.rhcloud.com]
fatal: [qe-auto-node-registry-router-infra-1.0605-sj3.qe.rhcloud.com]: FAILED! => {
    "changed": false,
    "failed": true
}

MSG:

Unable to determine available OpenShift RPM version

Expected results:


Additional info: