func replaceConfig(e *store.StoreManager, config []byte) error { lsid, err := e.GetLeaderSentinelId() if err != nil { die("cannot get leader sentinel info") } lsi, _, err := e.GetSentinelInfo(lsid) if lsi == nil { return fmt.Errorf("leader sentinel info not available") } req, err := http.NewRequest("PUT", fmt.Sprintf("http://%s:%s/config/current", lsi.ListenAddress, lsi.Port), bytes.NewReader(config)) if err != nil { return fmt.Errorf("cannot create request: %v", err) } req.Header.Set("Content-Type", "application/json") client := &http.Client{} res, err := client.Do(req) if err != nil { return fmt.Errorf("error setting config: %v", err) } if res.StatusCode != http.StatusOK { return fmt.Errorf("error setting config: leader sentinel returned non ok code: %s", res.Status) } return nil }