[#1332] cli: Implement `tree add-by-path` command

It is `TreeService.AddNodeByPath` method implementation.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>

cmd/neofs-cli/modules/tree/add_by_path.go

@@ -0,0 +1,94 @@
+package tree
+
+import (
+	"crypto/sha256"
+	"strings"
+
+	"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/common"
+	"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/commonflags"
+	"github.com/nspcc-dev/neofs-node/cmd/neofs-cli/internal/key"
+	"github.com/nspcc-dev/neofs-node/pkg/services/tree"
+	cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
+	"github.com/nspcc-dev/neofs-sdk-go/object"
+	"github.com/spf13/cobra"
+)
+
+var addByPathCmd = &cobra.Command{
+	Use:   "add-by-path",
+	Short: "Add a node by the path",
+	Run:   addByPath,
+	PersistentPreRun: func(cmd *cobra.Command, _ []string) {
+		commonflags.Bind(cmd)
+	},
+}
+
+func initAddByPathCmd() {
+	commonflags.Init(addByPathCmd)
+	initCTID(addByPathCmd)
+
+	ff := addByPathCmd.Flags()
+
+	// tree service does not allow any attribute except
+	// the 'FileName' but that's a limitation of the
+	// current implementation, not the rule
+	//ff.String(pathAttributeFlagKey, "", "Path attribute")
+	ff.String(pathFlagKey, "", "Path to a node")
+	ff.StringSlice(metaFlagKey, nil, "Meta pairs in the form of Key1=[0x]Value1,Key2=[0x]Value2")
+
+	_ = cobra.MarkFlagRequired(ff, commonflags.RPC)
+	_ = cobra.MarkFlagRequired(ff, pathFlagKey)
+}
+
+func addByPath(cmd *cobra.Command, _ []string) {
+	pk := key.GetOrGenerate(cmd)
+
+	cidRaw, _ := cmd.Flags().GetString(containerIDFlagKey)
+
+	var cnr cid.ID
+	err := cnr.DecodeString(cidRaw)
+	common.ExitOnErr(cmd, "decode container ID string: %w", err)
+
+	tid, _ := cmd.Flags().GetString(treeIDFlagKey)
+	ctx := cmd.Context()
+
+	cli, err := _client(ctx)
+	common.ExitOnErr(cmd, "client: %w", err)
+
+	rawCID := make([]byte, sha256.Size)
+	cnr.Encode(rawCID)
+
+	meta, err := parseMeta(cmd)
+	common.ExitOnErr(cmd, "meta data parsing: %w", err)
+
+	path, _ := cmd.Flags().GetString(pathFlagKey)
+	//pAttr, _ := cmd.Flags().GetString(pathAttributeFlagKey)
+
+	req := new(tree.AddByPathRequest)
+	req.Body = &tree.AddByPathRequest_Body{
+		ContainerId:   rawCID,
+		TreeId:        tid,
+		PathAttribute: object.AttributeFileName,
+		//PathAttribute: pAttr,
+		Path:        strings.Split(path, "/"),
+		Meta:        meta,
+		BearerToken: nil, // TODO: #1891 add token handling
+	}
+
+	common.ExitOnErr(cmd, "message signing: %w", tree.SignMessage(req, pk))
+
+	resp, err := cli.AddByPath(ctx, req)
+	common.ExitOnErr(cmd, "rpc call: %w", err)
+
+	cmd.Printf("Parent ID: %d\n", resp.GetBody().GetParentId())
+
+	nn := resp.GetBody().GetNodes()
+	if len(nn) == 0 {
+		cmd.Println("No new nodes were created")
+		return
+	}
+
+	cmd.Println("Created nodes:")
+	for _, node := range resp.GetBody().GetNodes() {
+		cmd.Printf("\t%d\n", node)
+	}
+}

cmd/neofs-cli/modules/tree/root.go

@@ -12,9 +12,11 @@ var Cmd = &cobra.Command{
 func init() {
 	Cmd.AddCommand(addCmd)
 	Cmd.AddCommand(getByPathCmd)
+	Cmd.AddCommand(addByPathCmd)
 
 	initAddCmd()
 	initGetByPathCmd()
+	initAddByPathCmd()
 }
 
 const (