From a1347542c8373b0cebeaf3f2334e2728ac8b7395 Mon Sep 17 00:00:00 2001
From: Dmitrii Stepanov <d.stepanov@yadro.com>
Date: Thu, 1 Aug 2024 16:08:50 +0300
Subject: [PATCH] [#1288] putSvc: Respect TTL for EC put

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
---
 pkg/services/object/put/ec.go | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/pkg/services/object/put/ec.go b/pkg/services/object/put/ec.go
index 6da50195e..fbb51912c 100644
--- a/pkg/services/object/put/ec.go
+++ b/pkg/services/object/put/ec.go
@@ -17,6 +17,7 @@ import (
 	containerSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
 	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/erasurecode"
+	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/transformer"
 	"go.uber.org/zap"
 	"golang.org/x/sync/errgroup"
@@ -39,7 +40,7 @@ type ecWriter struct {
 }
 
 func (e *ecWriter) WriteObject(ctx context.Context, obj *objectSDK.Object) error {
-	relayed, err := e.relayIfNotContainerNode(ctx)
+	relayed, err := e.relayIfNotContainerNode(ctx, obj)
 	if err != nil {
 		return err
 	}
@@ -65,7 +66,7 @@ func (e *ecWriter) WriteObject(ctx context.Context, obj *objectSDK.Object) error
 	return e.writeRawObject(ctx, obj)
 }
 
-func (e *ecWriter) relayIfNotContainerNode(ctx context.Context) (bool, error) {
+func (e *ecWriter) relayIfNotContainerNode(ctx context.Context, obj *objectSDK.Object) (bool, error) {
 	if e.relay == nil {
 		return false, nil
 	}
@@ -77,7 +78,13 @@ func (e *ecWriter) relayIfNotContainerNode(ctx context.Context) (bool, error) {
 		// object can be splitted or saved local
 		return false, nil
 	}
-	if err := e.relayToContainerNode(ctx); err != nil {
+	objID := object.AddressOf(obj).Object()
+	var index uint32
+	if obj.ECHeader() != nil {
+		objID = obj.ECHeader().Parent()
+		index = obj.ECHeader().Index()
+	}
+	if err := e.relayToContainerNode(ctx, objID, index); err != nil {
 		return false, err
 	}
 	return true, nil
@@ -102,18 +109,20 @@ func (e *ecWriter) currentNodeIsContainerNode() (bool, error) {
 	return false, nil
 }
 
-func (e *ecWriter) relayToContainerNode(ctx context.Context) error {
-	t, err := placement.NewTraverser(e.placementOpts...)
+func (e *ecWriter) relayToContainerNode(ctx context.Context, objID oid.ID, index uint32) error {
+	t, err := placement.NewTraverser(append(e.placementOpts, placement.ForObject(objID))...)
 	if err != nil {
 		return err
 	}
 	var lastErr error
+	offset := int(index)
 	for {
 		nodes := t.Next()
 		if len(nodes) == 0 {
 			break
 		}
-		for _, node := range nodes {
+		for idx := range nodes {
+			node := nodes[(idx+offset)%len(nodes)]
 			var info client.NodeInfo
 			client.NodeInfoFromNetmapElement(&info, node)
 
@@ -149,6 +158,10 @@ func (e *ecWriter) relayToContainerNode(ctx context.Context) error {
 }
 
 func (e *ecWriter) writeECPart(ctx context.Context, obj *objectSDK.Object) error {
+	if e.commonPrm.LocalOnly() {
+		return e.writePartLocal(ctx, obj)
+	}
+
 	t, err := placement.NewTraverser(append(e.placementOpts, placement.ForObject(obj.ECHeader().Parent()))...)
 	if err != nil {
 		return err