From 8fc88487db0157ff47cd7361fedcc64affb049f6 Mon Sep 17 00:00:00 2001
From: Evgenii Stratonikov <evgeniy@morphbits.ru>
Date: Tue, 13 Sep 2022 13:33:14 +0300
Subject: [PATCH] [#1731] neofs-cli: Add `control shards evacuate` command

Signed-off-by: Evgenii Stratonikov <evgeniy@morphbits.ru>
---
 .../modules/control/evacuate_shard.go         | 55 +++++++++++++++++++
 cmd/neofs-cli/modules/control/shards.go       |  2 +
 2 files changed, 57 insertions(+)
 create mode 100644 cmd/neofs-cli/modules/control/evacuate_shard.go

diff --git a/cmd/neofs-cli/modules/control/evacuate_shard.go b/cmd/neofs-cli/modules/control/evacuate_shard.go
new file mode 100644
index 00000000..f92e63b4
--- /dev/null
+++ b/cmd/neofs-cli/modules/control/evacuate_shard.go
@@ -0,0 +1,55 @@
+package control
+
+import (
+	"github.com/nspcc-dev/neofs-api-go/v2/rpc/client"
+	"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/control"
+	"github.com/spf13/cobra"
+)
+
+var evacuateShardCmd = &cobra.Command{
+	Use:   "evacuate",
+	Short: "Evacuate objects from shard",
+	Long:  "Evacuate objects from shard to other shards",
+	Run:   evacuateShard,
+}
+
+func evacuateShard(cmd *cobra.Command, _ []string) {
+	pk := key.Get(cmd)
+
+	req := &control.EvacuateShardRequest{Body: new(control.EvacuateShardRequest_Body)}
+	req.Body.Shard_ID = getShardID(cmd)
+	req.Body.IgnoreErrors, _ = cmd.Flags().GetBool(dumpIgnoreErrorsFlag)
+
+	signRequest(cmd, pk, req)
+
+	cli := getClient(cmd, pk)
+
+	var resp *control.EvacuateShardResponse
+	var err error
+	err = cli.ExecRaw(func(client *client.Client) error {
+		resp, err = control.EvacuateShard(client, req)
+		return err
+	})
+	common.ExitOnErr(cmd, "rpc error: %w", err)
+
+	cmd.Printf("Objects moved: %d\n", resp.GetBody().GetCount())
+
+	verifyResponse(cmd, resp.GetSignature(), resp.GetBody())
+
+	cmd.Println("Shard has successfully been evacuated.")
+}
+
+func initControlEvacuateShardCmd() {
+	commonflags.InitWithoutRPC(evacuateShardCmd)
+
+	flags := evacuateShardCmd.Flags()
+	flags.String(controlRPC, controlRPCDefault, controlRPCUsage)
+	flags.String(shardIDFlag, "", "Shard ID in base58 encoding")
+	flags.Bool(dumpIgnoreErrorsFlag, false, "Skip invalid/unreadable objects")
+
+	_ = evacuateShardCmd.MarkFlagRequired(shardIDFlag)
+	_ = evacuateShardCmd.MarkFlagRequired(controlRPC)
+}
diff --git a/cmd/neofs-cli/modules/control/shards.go b/cmd/neofs-cli/modules/control/shards.go
index 91543412..228703ea 100644
--- a/cmd/neofs-cli/modules/control/shards.go
+++ b/cmd/neofs-cli/modules/control/shards.go
@@ -15,9 +15,11 @@ func initControlShardsCmd() {
 	shardsCmd.AddCommand(setShardModeCmd)
 	shardsCmd.AddCommand(dumpShardCmd)
 	shardsCmd.AddCommand(restoreShardCmd)
+	shardsCmd.AddCommand(evacuateShardCmd)
 
 	initControlShardsListCmd()
 	initControlSetShardModeCmd()
 	initControlDumpShardCmd()
 	initControlRestoreShardCmd()
+	initControlEvacuateShardCmd()
 }