prometheus.NewDesc(
			prometheus.BuildFQName(minioNamespace, "nodes", "online"),
			"Total number of MinIO nodes online",
			nil, nil),
		prometheus.GaugeValue,
		float64(nodesUp),
	)
	ch <- prometheus.MustNewConstMetric(
		prometheus.NewDesc(
			prometheus.BuildFQName(minioNamespace, "nodes", "offline"),
			"Total number of MinIO nodes offline",
			nil, nil),
		prometheus.GaugeValue,
		float64(nodesDown),

		switch msgp.UnsafeString(field) {
		case "Nodes":
			var zb0002 uint32
			zb0002, err = dc.ReadArrayHeader()
			if err != nil {
				err = msgp.WrapError(err, "Nodes")
				return
			}
			if cap(z.Nodes) >= int(zb0002) {
				z.Nodes = (z.Nodes)[:zb0002]
			} else {
				z.Nodes = make([]ReplQNodeStats, zb0002)
			}
			for za0001 := range z.Nodes {
				err = z.Nodes[za0001].DecodeMsg(dc)
				if err != nil {

	return nil
}

const (
	healthNodesOfflineCount = "nodes_offline_count"
	healthNodesOnlineCount  = "nodes_online_count"
)

var (
	healthNodesOfflineCountMD = NewGaugeMD(healthNodesOfflineCount,
		"Count of offline nodes in the cluster")
	healthNodesOnlineCountMD = NewGaugeMD(healthNodesOnlineCount,
		"Count of online nodes in the cluster")
)

	nodes := endpoints.GetNodes()
	peers = make([]peerS3Client, len(nodes))
	for i, node := range nodes {
		if node.IsLocal {
			peers[i] = &localPeerS3Client{node: node}
		} else {
			peers[i] = newPeerS3Client(node)
		}
		peers[i].SetPools(node.Pools)
	}

	return peers
}

// Returns a peer S3 client.
func newPeerS3Client(node Node) peerS3Client {

	envValues := make(map[string]string, len(envs))
	for _, envK := range envs {
		// skip certain environment variables as part
		// of the whitelist and could be configured
		// differently on each nodes, update skipEnvs()
		// map if there are such environment values
		if _, ok := skipEnvs[envK]; ok {
			continue
		}
		envValues[envK] = logger.HashString(env.Get(envK, ""))
	}

	"io"
	"net/http"
	"net/http/httptest"
	"sync"
	"sync/atomic"
	"time"

	"github.com/minio/mux"
)

const numberOfNodes = 5

var (
	ds          *Dsync
	nodes       = make([]*httptest.Server, numberOfNodes) // list of node IP addrs or hostname with ports.
	lockServers = make([]*lockServer, numberOfNodes)
)

func getLockArgs(r *http.Request) (args LockArgs, err error) {
	buf, err := io.ReadAll(r.Body)

		ReplicatedSize:  totReplicatedSize,
		ReplicatedCount: totReplicatedCount,
		Failed:          totFailed.toMetric(),
	}

	var qs ReplicationQueueStats
	for _, bs := range bucketStats {
		qs.Nodes = append(qs.Nodes, bs.QueueStats.Nodes...)
	}
	qs.Uptime = UTCNow().Unix() - globalBootTime.Unix()

	var ps ProxyMetric
	for _, bs := range bucketStats {
		ps.add(bs.ProxyStats)
	}
	bs = BucketStats{

		Help:      "Total number of bytes sent to the other peer nodes",
		Type:      counterMetric,
	}
}

func getInterNodeReceivedBytesMD() MetricDescription {
	return MetricDescription{
		Namespace: interNodeMetricNamespace,
		Subsystem: trafficSubsystem,
		Name:      receivedBytes,
		Help:      "Total number of bytes received from other peer nodes",
		Type:      counterMetric,
	}
}

	// registered listeners
	globalConsoleSys *HTTPConsoleLoggerSys

	// All unique drives for this deployment
	globalEndpoints EndpointServerPools
	// All unique nodes for this deployment
	globalNodes []Node

	// The name of this local node, fetched from arguments
	globalLocalNodeName    string
	globalLocalNodeNameHex string
	globalNodeNamesHex     = make(map[string]struct{})

	// The global subnet config

}

// GetLocks - fetch older locks for a remote node.
func (client *peerRESTClient) GetLocks() (lockMap map[string][]lockRequesterInfo, err error) {
	resp, err := getLocksRPC.Call(context.Background(), client.gridConn(), grid.NewMSS())
	if err != nil || resp == nil {
		return nil, err
	}
	return *resp, nil
}

// LocalStorageInfo - fetch server information for a remote node.