Created attachment 1140162 [details]
san_ip.crt

Description of problem:
SSL overcloud deployment fails when the certificate contains the public vip in the SAN extension. I updated the enable-tls.yaml to use ip address instead of hostname(sed -i 's/CLOUDNAME/IP_ADDRESS/').

The public VIP of the overcloud is 172.16.23.10. Deployment fails with the following error:

Authorization Failed: SSL exception connecting to https://172.16.23.10:13000/v2.0/tokens: hostname '172.16.23.10' doesn't match either of 'cloudy.net', 'overcloud.cloudy.net'

The certificate contains the SAN extension:
X509v3 Subject Alternative Name: 
    IP Address:172.16.23.10, IP Address:2001:DB8:FD00:1000:0:0:0:10, DNS:cloudy.net, DNS:overcloud.cloudy.net

curl seems to be working:
curl https://172.16.23.10:13000/v2.0/tokens
{"error": {"message": "The resource could not be found.", "code": 404, "title": "Not Found"}} 

The overcloud deployment succeeds when using 'cloudy.net' as CloudName so I'd say the certificate validation is successful but I believe the openstack client does not check the IP address in the SAN extenstion. 

According to the RFC this should be suported:
https://tools.ietf.org/html/rfc2818#section-3.1
In some cases, the URI is specified as an IP address rather than a hostname. In this case, the iPAddress subjectAltName must be present in the certificate and must exactly match the IP in the URI.

Version-Release number of selected component (if applicable):
openstack-tripleo-heat-templates-0.8.12-2.el7ost.noarch

How reproducible:
100%

Additional info:
Attaching the certificate.