//GetDefinition retrieves a specific backend definition
func (BackendDef) GetDefinition(kvs kvstore.KVStore, resp http.ResponseWriter, req *http.Request) (interface{}, error) {
backendName := resourceIDFromURI(req.RequestURI)
backendConfig, err := config.ReadBackendConfig(backendName, kvs)
if err != nil {
resp.WriteHeader(http.StatusInternalServerError)
return nil, err
}
if backendConfig == nil {
resp.WriteHeader(http.StatusNotFound)
return nil, errBackendNotFound
}
return backendConfig, err
}
func buildBackend(kvs kvstore.KVStore, name string) (*backend, error) {
var b backend
log.Info("Building backend " + name)
backendConfig, err := config.ReadBackendConfig(name, kvs)
if err != nil {
return nil, err
}
if backendConfig == nil {
return nil, errors.New("Backend defnition for '" + name + "' not found")
}
b.Name = name
var servers []config.ServerConfig
for _, serverName := range backendConfig.ServerNames {
server, err := buildServer(serverName, kvs)
if err != nil {
return nil, err
}
servers = append(servers, *server)
}
loadBalancer, err := instantiateLoadBalancer(backendConfig.LoadBalancerPolicy, name, backendConfig.CACertPath, servers)
if err != nil {
return nil, err
}
b.LoadBalancer = loadBalancer
b.TLSOnly = backendConfig.TLSOnly
b.CACert, err = createCertPool(backendConfig)
if err != nil {
return nil, err
}
return &b, nil
}