Description of problem:
ansible should change the ca filepath if certificate contains 'names' key

Version-Release number of selected component (if applicable):
https://github.com/abutcher/openshift-ansible namedCertRefactor

How reproducible:
Always


Steps to Reproduce:

1. Install env with custom certificate
openshift_master_overwrite_named_certificates=true
openshift_master_named_certificates=[{"certfile": "/home/jenkins3/workspace/custom2.crt", "keyfile": "/home/jenkins3/workspace/custom2.key", "names": ["test.redhat.com"]}, {"certfile": "/home/jenkins3/workspace/OSE_V3_Ansible_Installer/custom3.crt", "keyfile": "/home/jenkins3/workspace/OSE_V3_Ansible_Installer/custom3.key"}]


Actual results:
TASK: [openshift_master | Start and enable master api] ************************ 
failed: [10.66.79.136] => {"failed": true}
msg: Job for atomic-openshift-master-api.service failed because the control process exited with error code. See "systemctl status atomic-openshift-master-api.service" and "journalctl -xe" for details.

Fail to start master service

check the master configuation 
  namedCertificates:
  - certFile: /home/jenkins3/workspace/custom2.crt
    keyFile: /home/jenkins3/workspace/custom2.key
    names:
    - "test.redhat.com"
  - certFile: /etc/origin/master/named_certificates/custom3.crt
    keyFile: /etc/origin/master/named_certificates/custom3.key
    names:
    - "custom3.test.com"
Did not change the certificate filepath

Expected results:
should change the certificate filepath

Additional info: