fix: 修复kv导出时格式不对问题 (#2980)

bcs-services/bcs-bscp/cmd/api-server/service/released_kv.go

@@ -19,6 +19,7 @@ import (
 	"errors"
 	"fmt"
 	"net/http"
+	"reflect"
 	"strconv"
 
 	"github.com/go-chi/chi/v5"
@@ -63,7 +64,15 @@ type XMLExporter struct {
 
 // Export method implements the Exporter interface, exporting data as a byte slice in YAML format.
 func (ye *YAMLExporter) Export() ([]byte, error) {
-	return yaml.Marshal(ye.OutData)
+	buffer := &bytes.Buffer{}
+	encoder := yaml.NewEncoder(buffer)
+	// 设置缩进
+	encoder.SetIndent(2)
+	defer func() {
+		_ = encoder.Close()
+	}()
+	err := encoder.Encode(ye.OutData)
+	return buffer.Bytes(), err
 }
 
 // Export method implements the Exporter interface, exporting data as a byte slice in JSON format.
@@ -198,6 +207,10 @@ func rkvsToOutData(details []*pbrkv.ReleasedKv) map[string]interface{} {
 			value = i
 		case string(table.KvJson):
 			_ = json.Unmarshal([]byte(rkv.Spec.Value), &value)
+			if reflect.TypeOf(value).Kind() != reflect.String {
+				jm, _ := json.Marshal(value)
+				value = string(jm)
+			}
 		}
 		d[rkv.Spec.Key] = map[string]interface{}{
 			"kv_type": rkv.Spec.KvType,
@@ -219,6 +232,10 @@ func kvsToOutData(details []*pbkv.Kv) map[string]interface{} {
 			value = i
 		case string(table.KvJson):
 			_ = json.Unmarshal([]byte(rkv.Spec.Value), &value)
+			if reflect.TypeOf(value).Kind() != reflect.String {
+				jm, _ := json.Marshal(value)
+				value = string(jm)
+			}
 		}
 		d[rkv.Spec.Key] = map[string]interface{}{
 			"kv_type": rkv.Spec.KvType,