func (s *Service) Create(
name string,
l *log.Logger,
abortCallback func(),
) (udf.Interface, error) {
conf, ok := s.configs[name]
if !ok {
return nil, fmt.Errorf("no such UDF %s", name)
}
if conf.Socket != "" {
// Create socket UDF
return kapacitor.NewUDFSocket(
kapacitor.NewSocketConn(conf.Socket),
l,
time.Duration(conf.Timeout),
abortCallback,
), nil
} else {
// Create process UDF
env := os.Environ()
for k, v := range conf.Env {
env = append(env, fmt.Sprintf("%s=%s", k, v))
}
commander := kapacitor.CommandInfo{
Prog: conf.Prog,
Args: conf.Args,
Env: env,
}
return kapacitor.NewUDFProcess(
commander,
l,
time.Duration(conf.Timeout),
abortCallback,
), nil
}
}
func newUDFSocket(name string) (*kapacitor.UDFSocket, *udf_test.IO) {
uio := udf_test.NewIO()
l := log.New(os.Stderr, fmt.Sprintf("[%s] ", name), log.LstdFlags)
u := kapacitor.NewUDFSocket(newTestSocket(uio), l, 0, nil)
return u, uio
}