Skip file with prefix '.' may exist in filesystem (#22138)

Signed-off-by: Nwayblink <anyang.wang@zilliz.com>

internal/util/importutil/binlog_parser.go

@@ -23,6 +23,7 @@ import (
 	"path"
 	"sort"
 	"strconv"
+	"strings"
 
 	"github.com/milvus-io/milvus-proto/go-api/schemapb"
 	"github.com/milvus-io/milvus/internal/log"
@@ -127,6 +128,12 @@ func (p *BinlogParser) constructSegmentHolders(insertlogRoot string, deltalogRoo
 	log.Info("Binlog parser: list insert logs", zap.Int("logsCount", len(insertlogs)))
 	for _, insertlog := range insertlogs {
 		log.Info("Binlog parser: mapping insert log to segment", zap.String("insertlog", insertlog))
+		filePath := path.Base(insertlog)
+		// skip file with prefix '.', such as .success .DS_Store
+		if strings.HasPrefix(filePath, ".") {
+			log.Debug("file path might not be a real bin log", zap.String("filePath", filePath))
+			continue
+		}
 		fieldPath := path.Dir(insertlog)
 		fieldStrID := path.Base(fieldPath)
 		fieldID, err := strconv.ParseInt(fieldStrID, 10, 64)

internal/util/importutil/binlog_parser_test.go

@@ -308,3 +308,37 @@ func Test_BinlogParserParse(t *testing.T) {
 	err = parser.Parse(paths)
 	assert.NotNil(t, err)
 }
+
+func Test_BinlogParserSkipFlagFile(t *testing.T) {
+	ctx := context.Background()
+
+	flushFunc := func(fields map[storage.FieldID]storage.FieldData, shardID int) error {
+		return nil
+	}
+
+	chunkManager := &MockChunkManager{
+		listErr:    errors.New("error"),
+		listResult: make(map[string][]string),
+	}
+
+	parser, err := NewBinlogParser(ctx, sampleSchema(), 2, 1024, chunkManager, flushFunc, nil, 0, math.MaxUint64)
+	assert.NotNil(t, parser)
+	assert.Nil(t, err)
+
+	insertPath := "insertPath"
+	deltaPath := "deltaPath"
+
+	// chunkManager return error
+	holders, err := parser.constructSegmentHolders(insertPath, deltaPath)
+	assert.NotNil(t, err)
+	assert.Nil(t, holders)
+
+	// parse field id error(insert log)
+	chunkManager.listErr = nil
+	chunkManager.listResult[insertPath] = []string{
+		"backup/bak1/data/insert_log/435978159196147009/435978159196147010/435978159261483008/0/435978159903735811",
+		"backup/bak1/data/insert_log/435978159196147009/435978159196147010/435978159261483008/.DS_Store",
+	}
+	_, err = parser.constructSegmentHolders(insertPath, deltaPath)
+	assert.NoError(t, err)
+}