if err != nil {
		return nil, err
	}
	msgs := diag.Messages{}

	m, err := checkServerVersion(cli)
	if err != nil {
		return nil, err
	}
	msgs = append(msgs, m...)

	msgs = append(msgs, checkInstallPermissions(cli, ctx.IstioNamespace())...)
	gwMsg, err := checkGatewayAPIs(cli)
	if err != nil {
		return nil, err
	}
	msgs = append(msgs, gwMsg...)

	// TODO: add more checks

		return store.ErrNotConnected
	}
	var msgs []*sarama.ProducerMessage
	for _, event := range events {
		msg, err := target.toProducerMessage(event)
		if err != nil {
			return err
		}
		msgs = append(msgs, msg)
	}
	return target.producer.SendMessages(msgs)
}

// SendFromStore - reads an event from store and sends it to Kafka.
func (target *KafkaTarget) SendFromStore(key store.Key) (err error) {

	}
	var arns []string
	for arn := range sys.rolesMap {
		arns = append(arns, arn.String())
	}
	sort.Strings(arns)
	msgs := make([]string, 0, len(arns))
	for _, arn := range arns {
		msgs = append(msgs, color.Bold(arn))
	}

	logger.Info(fmt.Sprintf("%s %s", color.Blue("IAM Roles:"), strings.Join(msgs, " ")))
}

// HasWatcher - returns if the IAM system has a watcher to be notified of
// changes.

		keys = append(keys, d)
	}
	sort.Strings(keys)

	var success int
	msgs := []string{}
	for _, d := range keys {
		name := c.state.Peers[d].Name
		err := errMap[d]
		if err == nil {
			msgs = append(msgs, fmt.Sprintf("'%s' on site %s (%s): succeeded", actionName, name, d))
			success++
		} else {
			msgs = append(msgs, fmt.Sprintf("'%s' on site %s (%s): failed(%v)", actionName, name, d, err))
		}
	}

}

func (muxConnectError) Op() Op {
	return OpMuxConnectError
}

type pongMsg struct {
	NotFound bool      `msg:"nf"`
	Err      *string   `msg:"e,allownil"`
	T        time.Time `msg:"t"`
}

func (pongMsg) Op() Op {
	return OpPong
}

type pingMsg struct {
	T time.Time `msg:"t"`
}

func (pingMsg) Op() Op {
	return OpPing

		t.Fatalf("unexpected error: %v", err)
	}
	val := maskString("hello")
	ps.Publish(val)

	msg1 := <-ch1
	msg2 := <-ch2
	if msg1 != val && msg2 != val {
		t.Fatalf("expected both subscribers to have%s , found %s and  %s", val, msg1, msg2)
	}

	select {
	case msg := <-ch3:
		t.Fatalf("unexpected msg, f got %s", msg)
	default:
	}

func (m *MSS) Msgsize() int {
	if m == nil || *m == nil {
		return msgp.NilSize
	}
	s := msgp.MapHeaderSize
	for za0001, za0002 := range *m {
		s += msgp.StringPrefixSize + len(za0001) + msgp.StringPrefixSize + len(za0002)
	}
	return s
}

// NewMSS returns a new MSS.
func NewMSS() *MSS {
	m := MSS(mssPool.Get().(map[string]string))
	for k := range m {
		delete(m, k)

		if !ok {
			extra = append(extra, k)
		}
	}
	msg := "Expected MINIO_* environment name and values across all servers to be same: "
	if len(missing) > 0 {
		msg += fmt.Sprintf(`Missing environment values: %v. `, missing)
	}
	if len(mismatching) > 0 {
		msg += fmt.Sprintf(`Mismatching environment values: %v. `, mismatching)
	}
	if len(extra) > 0 {
		msg += fmt.Sprintf(`Extra environment values: %v. `, extra)
	}

		if u.msg != "" {
			return u.msg
		}
		return "<nil>"
	}
	return u.detail
}

// Msg - Replace the current error's message
func (u Err) Msg(m string) Err {
	e := u.Clone()
	e.msg = m
	return e
}

// Msgf - Replace the current error's message
func (u Err) Msgf(m string, args ...interface{}) Err {
	e := u.Clone()
	if len(args) == 0 {
		e.msg = m
	} else {
		e.msg = fmt.Sprintf(m, args...)

	storageRESTRange            = "rng"
)

type nsScannerOptions struct {
	DiskID   string          `msg:"id"`
	ScanMode int             `msg:"m"`
	Cache    *dataUsageCache `msg:"c"`
}

type nsScannerResp struct {
	Update *dataUsageEntry `msg:"u"`
	Final  *dataUsageCache `msg:"f"`