// Cluster Replication APIs
		adminRouter.Methods(http.MethodPut).Path(adminVersion + "/site-replication/add").HandlerFunc(adminMiddleware(adminAPI.SiteReplicationAdd))
		adminRouter.Methods(http.MethodPut).Path(adminVersion + "/site-replication/remove").HandlerFunc(adminMiddleware(adminAPI.SiteReplicationRemove))

	apiCorsAllowOrigin         = "cors_allow_origin"
	apiRemoteTransportDeadline = "remote_transport_deadline"
	apiListQuorum              = "list_quorum"
	apiReplicationPriority     = "replication_priority"
	apiReplicationMaxWorkers   = "replication_max_workers"

	apiTransitionWorkers           = "transition_workers"
	apiStaleUploadsCleanupInterval = "stale_uploads_cleanup_interval"
	apiStaleUploadsExpiry          = "stale_uploads_expiry"

// ReplicationStatus returns overall version replication status for this object version across targets
func (fi *FileInfo) ReplicationStatus() replication.StatusType {
	return fi.ReplicationState.CompositeReplicationStatus()
}

// DeleteMarkerReplicationStatus returns overall replication status for this delete marker version across targets
func (fi *FileInfo) DeleteMarkerReplicationStatus() replication.StatusType {
	if fi.Deleted {

// - replicated size for all objects sent to this target
// - replica size for all objects received from this target
// - replication pending size for all objects pending replication to this target
// - replication failed size for all objects failed replication to this target
// - replica pending count
// - replica failed count
type BucketTargetUsageInfo struct {

	})
	return mg
}

// replication metrics for site replication
func getReplicationSiteMetrics(opts MetricsGroupOpts) *MetricsGroupV2 {
	mg := &MetricsGroupV2{
		cacheInterval:    1 * time.Minute,
		metricsGroupOpts: opts,
	}
	mg.RegisterRead(func(_ context.Context) []MetricV2 {
		ml := []MetricV2{}

		// metrics pertinent to site replication - overall roll up.

	MinIOSourceReplicationRequest = "X-Minio-Source-Replication-Request"
	// Header checks replication permissions without actually completing replication
	MinIOSourceReplicationCheck = "X-Minio-Source-Replication-Check"
	// Header indicates replication reset status.
	MinIOReplicationResetStatus = "X-Minio-Replication-Reset-Status"

	}

	if arn.Type == madmin.ReplicationService {
		// reject removal of remote target if replication configuration is present
		rcfg, err := getReplicationConfig(ctx, bucket)
		if err == nil && rcfg != nil {
			for _, tgtArn := range rcfg.FilterTargetArns(replication.ObjectOpts{OpType: replication.AllReplicationType}) {
				if err == nil && (tgtArn == arnStr || rcfg.RoleArn == arnStr) {
					sys.RLock()

		srcInfo.UserDefined[ReservedMetadataPrefixLower+ReplicaStatus] = replication.Replica.String()
		srcInfo.UserDefined[ReservedMetadataPrefixLower+ReplicaTimestamp] = UTCNow().Format(time.RFC3339Nano)
		srcInfo.UserDefined[xhttp.AmzBucketReplicationStatus] = rs
	}

	op := replication.ObjectReplicationType
	if srcInfo.metadataOnly {
		op = replication.MetadataReplicationType
	}

package replication

import (
	"encoding/xml"
	"fmt"
	"strings"

	"github.com/minio/pkg/v2/wildcard"
)

// DestinationARNPrefix - destination ARN prefix as per AWS S3 specification.
const DestinationARNPrefix = "arn:aws:s3:::"

// DestinationARNMinIOPrefix - destination ARN prefix for MinIO.
const DestinationARNMinIOPrefix = "arn:minio:replication:"

	ReplicationStats BucketReplicationStats `json:"currStats"`  // current replication stats since cluster startup
	QueueStats       ReplicationQueueStats  `json:"queueStats"` // replication queue stats
	ProxyStats       ProxyMetric            `json:"proxyStats"`
}

// BucketReplicationStats represents inline replication statistics
// such as pending, failed and completed bytes in total for a bucket