Incorrect generation of unique service key when building service and endpoint maps

use spec.ports.name in the service manifest to uniqely generate service key used
internally to lookup services info and endpoints info maps

closes #3

Author: Murali Reddy

app/controllers/network_services_controller.go

@@ -316,7 +316,7 @@ func buildServicesInfo() serviceInfoMap {
 				nodePort:  int(port.NodePort),
 			}
 			svcInfo.sessionAffinity = (svc.Spec.SessionAffinity == "ClientIP")
-			svcId := generateServiceId(svc.Namespace, svc.Name, strconv.Itoa(int(port.Port)))
+			svcId := generateServiceId(svc.Namespace, svc.Name, port.Name)
 			serviceMap[svcId] = &svcInfo
 		}
 	}
@@ -328,7 +328,7 @@ func buildEndpointsInfo() endpointsInfoMap {
 	for _, ep := range watchers.EndpointsWatcher.List() {
 		for _, ep_subset := range ep.Subsets {
 			for _, port := range ep_subset.Ports {
-				svcId := generateServiceId(ep.Namespace, ep.Name, strconv.Itoa(int(port.Port)))
+				svcId := generateServiceId(ep.Namespace, ep.Name, port.Name)
 				endpoints := make([]endpointsInfo, 0)
 				for _, addr := range ep_subset.Addresses {
 					endpoints = append(endpoints, endpointsInfo{ip: addr.IP, port: int(port.Port)})