Add delete marker replication support (#10396)

Delete marker replication is implemented for V2
configuration specified in AWS spec (though AWS
allows it only in the V1 configuration).

This PR also brings in a MinIO only extension of
replicating permanent deletes, i.e. deletes specifying
version id are replicated to target cluster.

cmd/api-datatypes.go

@@ -18,6 +18,7 @@ package cmd
 
 import (
 	"encoding/xml"
+	"time"
 )
 
 // DeletedObject objects deleted
@@ -26,12 +27,24 @@ type DeletedObject struct {
 	DeleteMarkerVersionID string `xml:"DeleteMarkerVersionId,omitempty"`
 	ObjectName            string `xml:"Key,omitempty"`
 	VersionID             string `xml:"VersionId,omitempty"`
+	// Replication status of DeleteMarker
+	DeleteMarkerReplicationStatus string
+	// MTime of DeleteMarker on source that needs to be propagated to replica
+	DeleteMarkerMTime time.Time
+	// Status of versioned delete (of object or DeleteMarker)
+	VersionPurgeStatus VersionPurgeStatusType
 }
 
 // ObjectToDelete carries key name for the object to delete.
 type ObjectToDelete struct {
 	ObjectName string `xml:"Key"`
 	VersionID  string `xml:"VersionId"`
+	// Replication status of DeleteMarker
+	DeleteMarkerReplicationStatus string
+	// Status of versioned delete (of object or DeleteMarker)
+	VersionPurgeStatus VersionPurgeStatusType
+	// Version ID of delete marker
+	DeleteMarkerVersionID string
 }
 
 // createBucketConfiguration container for bucket configuration request from client.