traffic splitting of A/B deployment is by replicas but not by service

[tj13]

Version

$ oc version
oc v1.3.0
kubernetes v1.3.0+52492b4
features: Basic-Auth GSSAPI Kerberos SPNEGO

Server https://cjjoc01.sit.caijj.net:8443
openshift v1.3.0
kubernetes v1.3.0+52492b4

Steps To Reproduce

1. config an a/b deployment for application logresolver.
2. create two service logresolver-a with one replica and logresover-b with two replicas,
3. check the weight in haproxy config

Current Result

1. on web console, 10% traffic is routed to service logresolver-a, 90% traffic is routed to service logresolver-b.
   
2. checked haproxy configuration
   

Expected Result

[pravisankar]

Fixed by #15309