consul: Adding new request to reap tombstones

consul/structs/structs.go

@@ -23,6 +23,7 @@ const (
 	KVSRequestType
 	SessionRequestType
 	ACLRequestType
+	TombstoneReapRequestType
 )
 
 const (
@@ -531,6 +532,17 @@ type EventFireResponse struct {
 	QueryMeta
 }
 
+// TombstoneReapRequest is used to trigger a reaping of the tombstones
+type TombstoneReapRequest struct {
+	Datacenter string
+	ReapIndex  uint64
+	WriteRequest
+}
+
+func (r *TombstoneReapRequest) RequestDatacenter() string {
+	return r.Datacenter
+}
+
 // msgpackHandle is a shared handle for encoding/decoding of structs
 var msgpackHandle = &codec.MsgpackHandle{}