// buildApplicationEndpoint converts a ServiceEndpoint to an ApplicationEndpoint
func buildApplicationEndpoint(state *servicestate.ServiceState, endpoint *service.ServiceEndpoint) (dao.ApplicationEndpoint, error) {
var ae dao.ApplicationEndpoint
ae.ServiceID = state.ServiceID
ae.Application = endpoint.Application
ae.Protocol = endpoint.Protocol
ae.ContainerIP = state.PrivateIP
if endpoint.PortTemplate != "" {
// Evaluate the PortTemplate field and use it for the port
t := template.Must(template.New("PortTemplate").Funcs(funcmap).Parse(endpoint.PortTemplate))
b := bytes.Buffer{}
err := t.Execute(&b, state)
if err == nil {
i, err := strconv.Atoi(b.String())
if err != nil {
glog.Errorf("%+v", err)
} else {
ae.ContainerPort = uint16(i)
}
}
} else {
// No dynamic port, just use the specified PortNumber
ae.ContainerPort = endpoint.PortNumber
}
ae.HostIP = state.HostIP
if len(state.PortMapping) > 0 {
pmKey := fmt.Sprintf("%d/%s", ae.ContainerPort, ae.Protocol)
pm := state.PortMapping[pmKey]
if len(pm) > 0 {
port, err := strconv.Atoi(pm[0].HostPort)
if err != nil {
glog.Errorf("Unable to interpret HostPort: %s", pm[0].HostPort)
return ae, err
}
ae.HostPort = uint16(port)
}
}
ae.VirtualAddress = endpoint.VirtualAddress
ae.InstanceID = state.InstanceID
glog.V(2).Infof(" built ApplicationEndpoint: %+v", ae)
return ae, nil
}