// Validation of credentials
	if conf.AccessKey == "" || conf.SecretKey == "" {
		return nil, errors.New("both access and secret keys are required")
	}

	if conf.Bucket == "" {
		return nil, errors.New("no bucket name was provided")
	}

	u, err := url.Parse(conf.Endpoint)
	if err != nil {
		return nil, err
	}

	creds := credentials.NewStaticV4(conf.AccessKey, conf.SecretKey, "")

	if err != nil {
		return
	}
	err = en.WriteBool(z.Recursive)
	if err != nil {
		err = msgp.WrapError(err, "Recursive")
		return
	}
	// write "i"
	err = en.Append(0xa1, 0x69)
	if err != nil {
		return
	}
	err = en.WriteBool(z.Immediate)
	if err != nil {
		err = msgp.WrapError(err, "Immediate")
		return
	}
	// write "u"
	err = en.Append(0xa1, 0x75)
	if err != nil {
		return
	}

	objAPI := newObjectLayerFn()
	if objAPI == nil {
		return errServerNotInitialized
	}

	if globalDNSConfig != nil {
		if err := globalDNSConfig.Delete(bucket); err != nil {
			return err
		}
	}
	err := objAPI.DeleteBucket(ctx, bucket, opts)
	if err != nil {
		if globalDNSConfig != nil {
			if err2 := globalDNSConfig.Put(bucket); err2 != nil {

							return err
						}
					}
				}

				for _, idx := range parseIndexes {
					if !queryTx.Migrator().HasIndex(value, idx.Name) {
						if err := execTx.Migrator().CreateIndex(value, idx.Name); err != nil {
							return err
						}
					}
				}

				return nil
			}); err != nil {
				return err
			}
		}
	}

	if e.isDir() {
		return nil, errFileNotFound
	}
	if e.cached == nil {
		if len(e.metadata) == 0 {
			// only happens if the entry is not found.
			return nil, errFileNotFound
		}
		var xl xlMetaV2
		err := xl.LoadOrConvert(e.metadata)
		if err != nil {
			return nil, err
		}
		e.cached = &xl
	}
	return e.cached, nil
}

}

func TestToErrIsNil(t *testing.T) {
	if toObjectErr(nil) != nil {
		t.Errorf("Test expected to return nil, failed instead got a non-nil value %s", toObjectErr(nil))
	}
	if toStorageErr(nil) != nil {
		t.Errorf("Test expected to return nil, failed instead got a non-nil value %s", toStorageErr(nil))
	}
	ctx := context.Background()
	if toAPIError(ctx, nil) != noError {

		patterns, perr := ellipses.FindEllipsesPatterns(arg)
		if perr != nil {
			return endpointSet{}, config.ErrInvalidErasureEndpoints(nil).Msg(perr.Error())
		}
		argPatterns[i] = patterns
	}

	ep.setIndexes, err = getSetIndexes(args, getTotalSizes(argPatterns), setDriveCount, argPatterns)
	if err != nil {
		return endpointSet{}, config.ErrInvalidErasureEndpoints(nil).Msg(err.Error())
	}

	ep.argPatterns = argPatterns

		config.QPS = 80
		config.Burst = 160
	})
	if err != nil {
		return nil, fmt.Errorf("failed creating kube config: %v", err)
	}

	client, err := kube.NewClient(kube.NewClientConfigForRestConfig(kubeRestConfig), "")
	if err != nil {
		return nil, fmt.Errorf("failed creating kube client: %v", err)
	}

	return client, nil
}

}

func (h *handlers) hasAny(id HandlerID) bool {
	if !id.valid() {
		return false
	}
	return h.single[id] != nil || h.stateless[id] != nil || h.streams[id] != nil
}

func (h *handlers) hasSubhandler(id subHandlerID) bool {
	return h.subSingle[id] != nil || h.subStateless[id] != nil || h.subStreams[id] != nil
}

// RoundTripper provides an interface for type roundtrip serialization.
type RoundTripper interface {

	if openNetns != nil {
		return openNetns, nil
	}
	log.Debug("pod netns was not found, trying to find it using procfs")
	// this can happen if the pod was dynamically added to the mesh after it was created.
	// in that case, try finding the netns using procfs.
	if err := s.rescanPod(pod); err != nil {
		log.Errorf("error scanning proc: error was %s", err)
		return nil, err
	}