func (v *vulcan) NewBackend(rsc *kubernetes.Resource) (loadbalancer.Backend, error) {
s := engine.HTTPBackendSettings{
Timeouts: engine.HTTPBackendTimeouts{},
KeepAlive: engine.HTTPBackendKeepAlive{},
}
if val, ok := rsc.GetAnnotation(DailTimeoutKey); ok {
s.Timeouts.Dial = val
}
if val, ok := rsc.GetAnnotation(ReadTimeoutKey); ok {
s.Timeouts.Read = val
}
if val, ok := rsc.GetAnnotation(MaxIdleConnsKey); ok {
if i, er := strconv.Atoi(val); er == nil {
s.KeepAlive.MaxIdleConnsPerHost = i
}
}
if val, ok := rsc.GetAnnotation(loadbalancer.BackendSettingsKey); ok {
if er := json.Unmarshal([]byte(val), &s); er != nil {
logger.Warnf("Failed to parse settings for frontend %q: %v", rsc.ID, er)
}
}
b, er := engine.NewHTTPBackend(rsc.ID(), s)
if er != nil {
return nil, er
}
if rsc.IsWebsocket() {
b.Type = ws
}
return newBackend(b), nil
}
