[#483] cli: Allow to split object on the client side

Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>

cmd/frostfs-cli/internal/client/client.go

@@ -336,6 +336,8 @@ type PutObjectPrm struct {
 	rdr io.Reader
 
 	headerCallback func(*object.Object)
+
+	prepareLocally bool
 }
 
 // SetHeader sets object header.
@@ -360,6 +362,41 @@ func (x *PutObjectPrm) SetCopiesNumberByVectors(copiesNumbers []uint32) {
 	x.copyNum = copiesNumbers
 }
 
+// PrepareLocally generate object header on the client side.
+// For big object - split locally too.
+func (x *PutObjectPrm) PrepareLocally() {
+	x.prepareLocally = true
+}
+
+func (x *PutObjectPrm) convertToSDKPrm(ctx context.Context) (client.PrmObjectPutInit, error) {
+	var putPrm client.PrmObjectPutInit
+	if !x.prepareLocally && x.sessionToken != nil {
+		putPrm.WithinSession(*x.sessionToken)
+	}
+
+	if x.bearerToken != nil {
+		putPrm.WithBearerToken(*x.bearerToken)
+	}
+
+	if x.local {
+		putPrm.MarkLocal()
+	}
+
+	putPrm.WithXHeaders(x.xHeaders...)
+	putPrm.SetCopiesNumberByVectors(x.copyNum)
+
+	if x.prepareLocally {
+		res, err := x.cli.NetworkInfo(ctx, client.PrmNetworkInfo{})
+		if err != nil {
+			return client.PrmObjectPutInit{}, err
+		}
+		putPrm.WithObjectMaxSize(res.Info().MaxObjectSize())
+		putPrm.WithEpochSource(epochSource(res.Info().CurrentEpoch()))
+		putPrm.WithoutHomomorphicHash(res.Info().HomomorphicHashingDisabled())
+	}
+	return putPrm, nil
+}
+
 // PutObjectRes groups the resulting values of PutObject operation.
 type PutObjectRes struct {
 	id oid.ID
@@ -370,28 +407,21 @@ func (x PutObjectRes) ID() oid.ID {
 	return x.id
 }
 
+type epochSource uint64
+
+func (s epochSource) CurrentEpoch() uint64 {
+	return uint64(s)
+}
+
 // PutObject saves the object in FrostFS network.
 //
 // Returns any error which prevented the operation from completing correctly in error return.
 func PutObject(ctx context.Context, prm PutObjectPrm) (*PutObjectRes, error) {
-	var putPrm client.PrmObjectPutInit
-
-	if prm.sessionToken != nil {
-		putPrm.WithinSession(*prm.sessionToken)
+	sdkPrm, err := prm.convertToSDKPrm(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("unable to create parameters of object put operation: %w", err)
 	}
-
-	if prm.bearerToken != nil {
-		putPrm.WithBearerToken(*prm.bearerToken)
-	}
-
-	if prm.local {
-		putPrm.MarkLocal()
-	}
-
-	putPrm.WithXHeaders(prm.xHeaders...)
-	putPrm.SetCopiesNumberByVectors(prm.copyNum)
-
-	wrt, err := prm.cli.ObjectPutInit(ctx, putPrm)
+	wrt, err := prm.cli.ObjectPutInit(ctx, sdkPrm)
 	if err != nil {
 		return nil, fmt.Errorf("init object writing: %w", err)
 	}

cmd/frostfs-cli/modules/object/put.go

@@ -26,6 +26,7 @@ const (
 	noProgressFlag     = "no-progress"
 	notificationFlag   = "notify"
 	copiesNumberFlag   = "copies-number"
+	prepareLocallyFlag = "prepare-locally"
 )
 
 var putExpiredOn uint64
@@ -54,6 +55,7 @@ func initObjectPutCmd() {
 	flags.Bool("disable-timestamp", false, "Do not set well-known timestamp attribute")
 	flags.Uint64VarP(&putExpiredOn, commonflags.ExpireAt, "e", 0, "The last active epoch in the life of the object")
 	flags.Bool(noProgressFlag, false, "Do not show progress bar")
+	flags.Bool(prepareLocallyFlag, false, "Generate object header on the client side (for big object - split locally too)")
 
 	flags.String(notificationFlag, "", "Object notification in the form of *epoch*:*topic*; '-' topic means using default")
 	flags.Bool(binaryFlag, false, "Deserialize object structure from given file.")
@@ -102,7 +104,11 @@ func putObject(cmd *cobra.Command, _ []string) {
 	}
 
 	var prm internalclient.PutObjectPrm
+	if prepareLocally, _ := cmd.Flags().GetBool(prepareLocallyFlag); prepareLocally {
+		prm.PrepareLocally()
+	} else {
 		ReadOrOpenSession(cmd, &prm, pk, cnr, nil)
+	}
 	Prepare(cmd, &prm)
 	prm.SetHeader(obj)
 
@@ -121,15 +127,7 @@ func putObject(cmd *cobra.Command, _ []string) {
 
 	copyNum, err := cmd.Flags().GetString(copiesNumberFlag)
 	commonCmd.ExitOnErr(cmd, "can't parse object copies numbers information: %w", err)
-	if len(copyNum) > 0 {
-		var cn []uint32
-		for _, num := range strings.Split(copyNum, ",") {
-			val, err := strconv.ParseUint(num, 10, 32)
-			commonCmd.ExitOnErr(cmd, "can't parse object copies numbers information: %w", err)
-			cn = append(cn, uint32(val))
-		}
-		prm.SetCopiesNumberByVectors(cn)
-	}
+	prm.SetCopiesNumberByVectors(parseCopyNumber(cmd, copyNum))
 
 	res, err := internalclient.PutObject(cmd.Context(), prm)
 	if p != nil {
@@ -141,6 +139,18 @@ func putObject(cmd *cobra.Command, _ []string) {
 	cmd.Printf("  OID: %s\n  CID: %s\n", res.ID(), cnr)
 }
 
+func parseCopyNumber(cmd *cobra.Command, copyNum string) []uint32 {
+	var cn []uint32
+	if len(copyNum) > 0 {
+		for _, num := range strings.Split(copyNum, ",") {
+			val, err := strconv.ParseUint(num, 10, 32)
+			commonCmd.ExitOnErr(cmd, "can't parse object copies numbers information: %w", err)
+			cn = append(cn, uint32(val))
+		}
+	}
+	return cn
+}
+
 func readFilePayload(filename string, cmd *cobra.Command) (io.Reader, cid.ID, user.ID) {
 	buf, err := os.ReadFile(filename)
 	commonCmd.ExitOnErr(cmd, "unable to read given file: %w", err)