func loadQueryers(srv *server.Server, conf config.Config) ([]server.QueryTransport, error) {
var out []server.QueryTransport
transports, err := conf.QueryTransports()
if err != nil {
return nil, err
}
for _, name := range transports {
fn, ok := server.GetQueryTransport(name)
if !ok {
return nil, fmt.Errorf("unsupported query transport: %s", name)
}
transportConf, err := conf.QueryTransportConfig(name)
if err != nil {
return nil, err
}
transport, err := fn(srv, transportConf)
if err != nil {
return nil, err
}
out = append(out, transport)
}
return out, nil
}
func loadStorageTransport(srv *server.Server, conf config.Config) (server.StorageTransport, error) {
name, err := conf.StorageTransport()
if err != nil {
return nil, err
}
fn, ok := server.GetStorageTransport(name)
if !ok {
return nil, fmt.Errorf("unsupported storage transport: %s", name)
}
transportConf, err := conf.StorageTransportConfig()
if err != nil {
return nil, err
}
return fn(srv, transportConf)
}
func loadStorage(conf config.Config) (server.Storage, error) {
name, err := conf.Storage()
if err != nil {
return nil, err
}
storer, ok := server.GetStorage(name)
if !ok {
return nil, fmt.Errorf("unsupported storage engine: %s", name)
}
storageConf, err := conf.StorageConfig()
if err != nil {
return nil, err
}
return storer(storageConf)
}