From b632260995a26f55055c412516489104abc2e631 Mon Sep 17 00:00:00 2001
From: Evgenii Stratonikov <evgeniy@morphbits.ru>
Date: Mon, 10 Oct 2022 20:58:28 +0300
Subject: [PATCH] [#1867] neofs-cli: Support multiple shard IDs in control
 subcommands

Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>
---
 CHANGELOG.md                                  |  1 +
 .../modules/control/evacuate_shard.go         |  4 +--
 cmd/neofs-cli/modules/control/flush_cache.go  |  4 +--
 .../modules/control/shards_set_mode.go        | 33 +++++++++++++++++--
 4 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c29cd3ef..30ecfa767 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,6 +25,7 @@ Changelog for NeoFS Node
 - Make `morph.cache_ttl` default value equal to morph block time (#1846)
 - Policer marks nodes under maintenance as OK without requests (#1680)
 - Unify help messages in CLI (#1854)
+- `evacuate`, `set-mode` and `flush-cache` control subcommands now accept a list of shard ids (#1867)
 
 ### Fixed
 - Description of command `netmap nodeinfo` (#1821)
diff --git a/cmd/neofs-cli/modules/control/evacuate_shard.go b/cmd/neofs-cli/modules/control/evacuate_shard.go
index a5aa83afc..51cc31697 100644
--- a/cmd/neofs-cli/modules/control/evacuate_shard.go
+++ b/cmd/neofs-cli/modules/control/evacuate_shard.go
@@ -20,7 +20,7 @@ func evacuateShard(cmd *cobra.Command, _ []string) {
 	pk := key.Get(cmd)
 
 	req := &control.EvacuateShardRequest{Body: new(control.EvacuateShardRequest_Body)}
-	req.Body.Shard_ID = [][]byte{getShardID(cmd)}
+	req.Body.Shard_ID = getShardIDList(cmd)
 	req.Body.IgnoreErrors, _ = cmd.Flags().GetBool(dumpIgnoreErrorsFlag)
 
 	signRequest(cmd, pk, req)
@@ -47,7 +47,7 @@ func initControlEvacuateShardCmd() {
 
 	flags := evacuateShardCmd.Flags()
 	flags.String(controlRPC, controlRPCDefault, controlRPCUsage)
-	flags.String(shardIDFlag, "", "Shard ID in base58 encoding")
+	flags.StringSlice(shardIDFlag, nil, "List of shard IDs in base58 encoding")
 	flags.Bool(dumpIgnoreErrorsFlag, false, "Skip invalid/unreadable objects")
 
 	_ = evacuateShardCmd.MarkFlagRequired(shardIDFlag)
diff --git a/cmd/neofs-cli/modules/control/flush_cache.go b/cmd/neofs-cli/modules/control/flush_cache.go
index f6c134b12..6f6ce4388 100644
--- a/cmd/neofs-cli/modules/control/flush_cache.go
+++ b/cmd/neofs-cli/modules/control/flush_cache.go
@@ -20,7 +20,7 @@ func flushCache(cmd *cobra.Command, _ []string) {
 	pk := key.Get(cmd)
 
 	req := &control.FlushCacheRequest{Body: new(control.FlushCacheRequest_Body)}
-	req.Body.Shard_ID = [][]byte{getShardID(cmd)}
+	req.Body.Shard_ID = getShardIDList(cmd)
 
 	signRequest(cmd, pk, req)
 
@@ -44,7 +44,7 @@ func initControlFlushCacheCmd() {
 
 	ff := flushCacheCmd.Flags()
 	ff.String(controlRPC, controlRPCDefault, controlRPCUsage)
-	ff.String(shardIDFlag, "", "Shard ID in base58 encoding")
+	ff.StringSlice(shardIDFlag, nil, "List of shard IDs in base58 encoding")
 
 	_ = flushCacheCmd.MarkFlagRequired(shardIDFlag)
 }
diff --git a/cmd/neofs-cli/modules/control/shards_set_mode.go b/cmd/neofs-cli/modules/control/shards_set_mode.go
index a6af8e36e..d4b337c18 100644
--- a/cmd/neofs-cli/modules/control/shards_set_mode.go
+++ b/cmd/neofs-cli/modules/control/shards_set_mode.go
@@ -1,6 +1,7 @@
 package control
 
 import (
+	"errors"
 	"fmt"
 
 	"github.com/mr-tron/base58"
@@ -36,7 +37,7 @@ func initControlSetShardModeCmd() {
 	flags := setShardModeCmd.Flags()
 
 	flags.String(controlRPC, controlRPCDefault, controlRPCUsage)
-	flags.String(shardIDFlag, "", "ID of the shard in base58 encoding")
+	flags.StringSlice(shardIDFlag, nil, "List of shard IDs in base58 encoding")
 	flags.String(shardModeFlag, "",
 		fmt.Sprintf("New shard mode keyword ('%s', '%s', '%s')",
 			shardModeReadWrite,
@@ -71,7 +72,7 @@ func setShardMode(cmd *cobra.Command, _ []string) {
 	req.SetBody(body)
 
 	body.SetMode(mode)
-	body.SetShardIDList([][]byte{getShardID(cmd)})
+	body.SetShardIDList(getShardIDList(cmd))
 
 	reset, _ := cmd.Flags().GetBool(shardClearErrorsFlag)
 	body.ClearErrorCounter(reset)
@@ -99,3 +100,31 @@ func getShardID(cmd *cobra.Command) []byte {
 	common.ExitOnErr(cmd, "incorrect shard ID encoding: %w", err)
 	return raw
 }
+
+func getShardIDList(cmd *cobra.Command) [][]byte {
+	sidList, _ := cmd.Flags().GetStringSlice(shardIDFlag)
+	if len(sidList) == 0 {
+		common.ExitOnErr(cmd, "", errors.New("no shard IDs were provided"))
+	}
+
+	// We can sort the ID list and perform this check without additional allocations,
+	// but preserving the user order is a nice thing to have.
+	// Also, this is a CLI, we don't care too much about this.
+	seen := make(map[string]struct{})
+	for i := range sidList {
+		if _, ok := seen[sidList[i]]; ok {
+			common.ExitOnErr(cmd, "", fmt.Errorf("duplicated shard IDs: %s", sidList[i]))
+		}
+		seen[sidList[i]] = struct{}{}
+	}
+
+	res := make([][]byte, 0, len(sidList))
+	for i := range sidList {
+		raw, err := base58.Decode(sidList[i])
+		common.ExitOnErr(cmd, "incorrect shard ID encoding: %w", err)
+
+		res = append(res, raw)
+	}
+
+	return res
+}