[#1118] services/control: allow to reset error counter in SetShardMode

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

cmd/neofs-cli/modules/control.go

@@ -71,8 +71,9 @@ const (
 	netmapStatusOffline     = "offline"
 	netmapStatusMaintenance = "maintenance"
 
-	shardModeFlag = "mode"
-	shardIDFlag   = "id"
+	shardModeFlag        = "mode"
+	shardIDFlag          = "id"
+	shardClearErrorsFlag = "clear-errors"
 
 	shardModeReadOnly  = "read-only"
 	shardModeReadWrite = "read-write"
@@ -127,6 +128,7 @@ func initControlSetShardModeCmd() {
 			shardModeReadOnly,
 		),
 	)
+	flags.Bool(shardClearErrorsFlag, false, "Set shard error count to 0")
 }
 
 func initControlShardsListCmd() {
@@ -510,6 +512,9 @@ func setShardMode(cmd *cobra.Command, _ []string) {
 	body.SetMode(mode)
 	body.SetShardID(rawID)
 
+	reset, _ := cmd.Flags().GetBool(shardClearErrorsFlag)
+	body.ClearErrorCounter(reset)
+
 	err = controlSvc.SignMessage(key, req)
 	exitOnErr(cmd, errf("could not sign request: %w", err))
 

pkg/local_object_storage/engine/error_test.go

@@ -114,6 +114,12 @@ func TestErrorReporting(t *testing.T) {
 			checkShardState(t, e, id[0], errThreshold+i, shard.ModeReadOnly)
 			checkShardState(t, e, id[1], 0, shard.ModeReadWrite)
 		}
+
+		require.NoError(t, e.SetShardMode(id[0], shard.ModeReadWrite, false))
+		checkShardState(t, e, id[0], errThreshold+1, shard.ModeReadWrite)
+
+		require.NoError(t, e.SetShardMode(id[0], shard.ModeReadWrite, true))
+		checkShardState(t, e, id[0], 0, shard.ModeReadWrite)
 	})
 }
 

pkg/local_object_storage/engine/shards.go

@@ -118,12 +118,15 @@ func (e *StorageEngine) iterateOverUnsortedShards(handler func(hashedShard) (sto
 // SetShardMode sets mode of the shard with provided identifier.
 //
 // Returns an error if shard mode was not set, or shard was not found in storage engine.
-func (e *StorageEngine) SetShardMode(id *shard.ID, m shard.Mode) error {
+func (e *StorageEngine) SetShardMode(id *shard.ID, m shard.Mode, resetErrorCounter bool) error {
 	e.mtx.RLock()
 	defer e.mtx.RUnlock()
 
 	for shID, sh := range e.shards {
 		if id.String() == shID {
+			if resetErrorCounter {
+				sh.errorCount.Store(0)
+			}
 			return sh.SetMode(m)
 		}
 	}

pkg/services/control/server/set_shard_mode.go

@@ -33,7 +33,7 @@ func (s *Server) SetShardMode(_ context.Context, req *control.SetShardModeReques
 		return nil, status.Error(codes.Internal, fmt.Sprintf("unknown shard mode: %s", requestedMode))
 	}
 
-	err = s.s.SetShardMode(requestedShard, mode)
+	err = s.s.SetShardMode(requestedShard, mode, false)
 	if err != nil {
 		return nil, status.Error(codes.Internal, err.Error())
 	}

pkg/services/control/service.go

@@ -761,10 +761,16 @@ func (x *SetShardModeRequest_Body) SetMode(v ShardMode) {
 	x.Mode = v
 }
 
+// ClearErrorCounter sets flag signifying whether error counter for shard should be cleared.
+func (x *SetShardModeRequest_Body) ClearErrorCounter(reset bool) {
+	x.ResetErrorCounter = reset
+}
+
 const (
 	_ = iota
 	setShardModeReqBodyShardIDFNum
 	setShardModeReqBodyModeFNum
+	setShardModeReqBodyResetCounterFNum
 )
 
 // StableMarshal reads binary representation of set shard mode request body
@@ -797,7 +803,14 @@ func (x *SetShardModeRequest_Body) StableMarshal(buf []byte) ([]byte, error) {
 
 	offset += n
 
-	_, err = proto.EnumMarshal(setShardModeReqBodyModeFNum, buf[offset:], int32(x.Mode))
+	n, err = proto.EnumMarshal(setShardModeReqBodyModeFNum, buf[offset:], int32(x.Mode))
+	if err != nil {
+		return nil, err
+	}
+
+	offset += n
+
+	_, err = proto.BoolMarshal(setShardModeReqBodyResetCounterFNum, buf[offset:], x.ResetErrorCounter)
 	if err != nil {
 		return nil, err
 	}
@@ -818,6 +831,7 @@ func (x *SetShardModeRequest_Body) StableSize() int {
 
 	size += proto.BytesSize(setShardModeReqBodyShardIDFNum, x.Shard_ID)
 	size += proto.EnumSize(setShardModeReqBodyModeFNum, int32(x.Mode))
+	size += proto.BoolSize(setShardModeReqBodyResetCounterFNum, x.ResetErrorCounter)
 
 	return size
 }

pkg/services/control/service.proto

@@ -186,6 +186,9 @@ message SetShardModeRequest {
 
         // Mode that requested to be set.
         ShardMode mode = 2;
+
+        // Flag signifying whether error counter should be set to 0.
+        bool resetErrorCounter = 3;
     }
 
     // Body of set shard mode request message.