}

// Close - does nothing and available for interface compatibility.
func (target *ElasticsearchTarget) Close() error {
	close(target.quitCh)
	if target.client != nil {
		// Stops the background processes that the client is running.
		target.client.stop()
	}
	return nil
}

func (target *ElasticsearchTarget) checkAndInitClient(ctx context.Context) error {
	if target.client != nil {
		return nil
	}

	StatelessHandler struct {
		Handle StatelessHandlerFn
		// OutCapacity is the output capacity on the caller.
		// If <= 0 capacity will be 1.
		OutCapacity int
	}

	// StreamHandlerFn must process a request with an optional initial payload.
	// It must keep consuming from 'in' until it returns.
	// 'in' and 'out' are independent.
	// The handler should never close out.

	err := rootCmd.Execute()
	return out.String(), err
}

// cleanTestCluster resets the test cluster.
func cleanTestCluster() error {
	// Needed in case we are running a test through this path that doesn't start a new process.
	cache.FlushObjectCaches()
	if !kubeBuilderInstalled() {
		return nil
	}
	return recreateTestEnv()
}

// getAllIstioObjects lists all Istio GVK resources from the testClient.

	if err := s.rescanPod(pod); err != nil {
		log.Errorf("error scanning proc: error was %s", err)
		return nil, err
	}
	// try again. we can still get here if the pod is in the process of being created.
	// in this case the CNI will be invoked soon and provide us with the netns.
	openNetns = s.currentPodSnapshot.Get(string(pod.UID))
	if openNetns == nil {

	maxTokenSize int       // Maximum size of a token; modified by tests.
	token        []byte    // Last token returned by split.
	buf          []byte    // Buffer used as argument to split.
	start        int       // First non-processed byte in buf.
	end          int       // End of data in buf.
	err          error     // Sticky error.
	empties      int       // Count of successive empty tokens.
	scanCalled   bool      // Scan has been called; buffer is in use.

	values.Set(peerRESTDepID, opts.depID)
	v, err := getMetricsRPC.Call(ctx, client.gridConn(), grid.NewURLValuesWith(values))
	return v.ValueOrZero(), err
}

// GetProcInfo - fetch MinIO process information for a remote node.
func (client *peerRESTClient) GetProcInfo(ctx context.Context) (info madmin.ProcInfo, err error) {
	resp, err := getProcInfoRPC.Call(ctx, client.gridConn(), grid.NewMSS())

	}
	if err != nil {
		return err
	}
	// Signal that we are reconnected, update state and handle messages.
	// Prevent other connections from connecting while we process.
	c.reconnectMu.Lock()
	if c.remoteID != nil {
		c.reconnected()
	}
	rid := uuid.UUID(req.ID)
	c.remoteID = &rid

	// Handle incoming messages until disconnect.
	c.handleMessages(ctx, conn)

// NOTE that this expects to be run from within the HOST network namespace!
//
// We need to do this specifically to be able to distinguish between traffic coming from different node-level processes
// via the nodeIP
// - kubelet (node-local healthchecks, which we do not capture)
// - kube-proxy (fowarded/proxied traffic from LoadBalancer-backed services, potentially with public IPs, which we must capture)

	switch atomic.LoadInt32(&c.connected) {
	case closed:
		// client closed, this is usually a manual process
		// so return a local error as client is closed
		return nil, &NetworkError{Err: ErrClientClosed}
	case offline:
		// client offline, return last error captured.
		return nil, &NetworkError{Err: c.LastError()}
	}

// is more efficient than decrypting ETags sequentually.
func DecryptETags(ctx context.Context, k kms.KMS, objects []ObjectInfo) error {
	const BatchSize = 250 // We process the objects in batches - 250 is a reasonable default.
	var (
		metadata = make([]map[string]string, 0, BatchSize)
		buckets  = make([]string, 0, BatchSize)
		names    = make([]string, 0, BatchSize)
	)