支持delete，修改err输出为stderr

cmd/saastool/write.go

@@ -4,7 +4,6 @@ import (
 	"bufio"
 	"flag"
 	"fmt"
-	"log/slog"
 	"net/http"
 	"os"
 	"path"
@@ -32,7 +31,7 @@ func RunWrite(args ...string) error {
 	clear := paramClear(fs)
 
 	if err := fs.Parse(args); err != nil {
-		fmt.Println("command line parse error", "err", err)
+		fmt.Fprintln(os.Stderr, "command line parse error", "err", err)
 		return err
 	}
 
@@ -43,9 +42,10 @@ func RunWrite(args ...string) error {
 
 	cfg, err := LoadConfigFile(*cfgFile)
 	if err != nil {
-		slog.Error("LoadConfigFile error", "err", err)
+		fmt.Fprintln(os.Stderr, "load config file error", "err", err)
 		return err
 	}
+
 	writeParams := writeParams{
 		cfg:        cfg,
 		sourcePath: *sourcePath,
@@ -65,6 +65,7 @@ func RunWrite(args ...string) error {
 func doWrite(writeParams writeParams) error {
 	fsInfo, err := os.Stat(writeParams.sourcePath)
 	if err != nil {
+		fmt.Fprintln(os.Stderr, "file stat error", "err", err)
 		return err
 	}
 
@@ -76,6 +77,7 @@ func doWrite(writeParams writeParams) error {
 	// 读取目录下信息
 	dirEntry, err := os.ReadDir(writeParams.sourcePath)
 	if err != nil {
+		fmt.Fprintln(os.Stderr, "read dir error", "err", err)
 		return err
 	}
 
@@ -96,6 +98,7 @@ func doLoadFileToWrite(writeParams writeParams) error {
 	// 读取文件并按行遍历，以\t分割为两列，第一列为userid，第二列解析为string数组
 	file, err := os.Open(writeParams.sourcePath)
 	if err != nil {
+		fmt.Fprintln(os.Stderr, "open file error", "file", writeParams.sourcePath, "err", err)
 		return err
 	}
 	defer file.Close()
@@ -108,17 +111,18 @@ func doLoadFileToWrite(writeParams writeParams) error {
 	succTotal := uint32(0)
 	total := uint32(0)
 	for scaner.Scan() {
+		total++
 		line := scaner.Text()
 		if line == "" {
 			continue
 		}
 		saasWriteItem := &saasapi.WriteItem{}
 		if err = protojson.Unmarshal([]byte(line), saasWriteItem); err != nil {
+			fmt.Fprintln(os.Stderr, "protojson unmashal error", "file", writeParams.sourcePath, "line", total, "err", err)
 			return err
 		}
 
 		saasWriteItems = append(saasWriteItems, saasWriteItem)
-		total++
 
 		if len(saasWriteItems) == int(writeParams.batchSize) {
 			if succ, _, err = submitWrite(writeParams, saasWriteItems); err != nil {
@@ -130,7 +134,6 @@ func doLoadFileToWrite(writeParams writeParams) error {
 
 			saasWriteItems = saasWriteItems[:0]
 		}
-
 	}
 
 	if len(saasWriteItems) > 0 {
@@ -164,7 +167,13 @@ func submitWrite(writeParams writeParams, saasWriteCmds []*saasapi.WriteItem) (s
 	res, err := writeParams.saasHttp.Write(saasReq)
 
 	if err != nil {
-		slog.Error("submitWrite error", "err", err)
+		fmt.Fprintln(os.Stderr, "submit write error", "err", err)
+		return
+	}
+
+	if res.GetCode() != saasapi.ErrorCode_SUCC {
+		err = fmt.Errorf("write failed. code:%v, status:%v", res.GetCode(), res.GetStatus())
+		fmt.Fprintln(os.Stderr, protojson.Format(res))
 		return
 	}