From 3407fef799b86419af97b59480842a311057fe0e Mon Sep 17 00:00:00 2001
From: Evgenii Stratonikov <evgeniy@nspcc.ru>
Date: Tue, 25 Jan 2022 14:57:58 +0300
Subject: [PATCH] [#1086] neofs-cli: add command for shard restore

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
---
 cmd/neofs-cli/modules/control.go |  2 +
 cmd/neofs-cli/modules/restore.go | 76 ++++++++++++++++++++++++++++++++
 2 files changed, 78 insertions(+)
 create mode 100644 cmd/neofs-cli/modules/restore.go

diff --git a/cmd/neofs-cli/modules/control.go b/cmd/neofs-cli/modules/control.go
index fb521f25..6e424bb6 100644
--- a/cmd/neofs-cli/modules/control.go
+++ b/cmd/neofs-cli/modules/control.go
@@ -182,6 +182,7 @@ func init() {
 	shardsCmd.AddCommand(listShardsCmd)
 	shardsCmd.AddCommand(setShardModeCmd)
 	shardsCmd.AddCommand(dumpShardCmd)
+	shardsCmd.AddCommand(restoreShardCmd)
 
 	controlCmd.AddCommand(
 		healthCheckCmd,
@@ -198,6 +199,7 @@ func init() {
 	initControlShardsListCmd()
 	initControlSetShardModeCmd()
 	initControlDumpShardCmd()
+	initControlRestoreShardCmd()
 }
 
 func healthCheck(cmd *cobra.Command, _ []string) {
diff --git a/cmd/neofs-cli/modules/restore.go b/cmd/neofs-cli/modules/restore.go
new file mode 100644
index 00000000..992aa8ef
--- /dev/null
+++ b/cmd/neofs-cli/modules/restore.go
@@ -0,0 +1,76 @@
+package cmd
+
+import (
+	"github.com/mr-tron/base58"
+	"github.com/nspcc-dev/neofs-node/pkg/services/control"
+	controlSvc "github.com/nspcc-dev/neofs-node/pkg/services/control/server"
+	"github.com/nspcc-dev/neofs-sdk-go/util/signature"
+	"github.com/spf13/cobra"
+)
+
+const (
+	restoreFilepathFlag     = "path"
+	restoreIgnoreErrorsFlag = "no-errors"
+)
+
+var restoreShardCmd = &cobra.Command{
+	Use:   "restore",
+	Short: "Restore objects from shard",
+	Long:  "Restore objects from shard to a file",
+	Run:   restoreShard,
+}
+
+func restoreShard(cmd *cobra.Command, _ []string) {
+	key, err := getKeyNoGenerate()
+	exitOnErr(cmd, err)
+
+	body := new(control.RestoreShardRequest_Body)
+
+	rawID, err := base58.Decode(shardID)
+	exitOnErr(cmd, errf("incorrect shard ID encoding: %w", err))
+	body.SetShardID(rawID)
+
+	p, _ := cmd.Flags().GetString(restoreFilepathFlag)
+	body.SetFilepath(p)
+
+	ignore, _ := cmd.Flags().GetBool(restoreIgnoreErrorsFlag)
+	body.SetIgnoreErrors(ignore)
+
+	req := new(control.RestoreShardRequest)
+	req.SetBody(body)
+
+	err = controlSvc.SignMessage(key, req)
+	exitOnErr(cmd, errf("could not sign request: %w", err))
+
+	cli, err := getControlSDKClient(key)
+	exitOnErr(cmd, err)
+
+	resp, err := control.RestoreShard(cli.Raw(), req)
+	exitOnErr(cmd, errf("rpc error: %w", err))
+
+	sign := resp.GetSignature()
+
+	err = signature.VerifyDataWithSource(
+		resp,
+		func() ([]byte, []byte) {
+			return sign.GetKey(), sign.GetSign()
+		},
+	)
+	exitOnErr(cmd, errf("invalid response signature: %w", err))
+
+	cmd.Println("Shard has been restored successfully.")
+}
+
+func initControlRestoreShardCmd() {
+	initCommonFlagsWithoutRPC(restoreShardCmd)
+
+	flags := restoreShardCmd.Flags()
+	flags.String(controlRPC, controlRPCDefault, controlRPCUsage)
+	flags.StringVarP(&shardID, shardIDFlag, "", "", "Shard ID in base58 encoding")
+	flags.String(restoreFilepathFlag, "", "File to read objects from")
+	flags.Bool(restoreIgnoreErrorsFlag, false, "Skip invalid/unreadable objects")
+
+	_ = restoreShardCmd.MarkFlagRequired(shardIDFlag)
+	_ = restoreShardCmd.MarkFlagRequired(restoreFilepathFlag)
+	_ = restoreShardCmd.MarkFlagRequired(controlRPC)
+}