func (r *RedisSentinel) Do(action string, params ...interface{}) (result interface{}, err error) {
var conn Connection
err = waitfor.Func(func() (err error) {
conn, err = r.getConn()
return
}, time.Duration(1)*time.Millisecond, r.callTimeout)
if err != nil {
return
}
defer conn.Close()
err = waitfor.Func(func() (err error) {
result, err = conn.Do(action, params...)
return
}, time.Duration(1)*time.Millisecond, r.callTimeout)
if err != nil {
if strings.Contains(err.Error(), "You can't write against a read only slave.") { // this is very hacky
err = r.RebuildConnectionPool()
if err != nil {
return
}
result, err = r.Do(action, params...)
} else {
return
}
}
return
}
// retry makes a request to apid with retries on fail
func (a *Adaptor) retry(apidFunction string, params url.Values, result interface{}) *adaptor.AdaptorError {
wrapper := func() error {
return a.apidClient.DoFunction("checkFeatureToggle", params, result)
}
err := waitfor.Func(wrapper, a.interval, a.timeout)
if err != nil {
formattedErr := adaptor.NewError(err.Error())
return formattedErr
}
return nil
}