cred := getReqAccessCred(r, globalSite.Region())
	// In a federated deployment, all the instances share config files
	// and hence expected to have same credentials.
	core, err := miniogo.NewCore(host, &miniogo.Options{
		Creds:     credentials.NewStaticV4(cred.AccessKey, cred.SecretKey, ""),
		Secure:    globalIsTLS,
		Transport: getRemoteInstanceTransport(),
	})
	if err != nil {
		return nil, err