feat: Add RX/TX to audit logging (#13382)

add additional values for audit logging

internal/logger/audit.go

@@ -197,6 +197,8 @@ func AuditLog(ctx context.Context, w http.ResponseWriter, r *http.Request, reqCl
 		entry.API.Object = reqInfo.ObjectName
 		entry.API.Status = http.StatusText(statusCode)
 		entry.API.StatusCode = statusCode
+		entry.API.InputBytes = r.ContentLength
+		entry.API.OutputBytes = int64(st.Size())
 		entry.API.TimeToResponse = strconv.FormatInt(timeToResponse.Nanoseconds(), 10) + "ns"
 		entry.Tags = reqInfo.GetTagsMap()
 		// ttfb will be recorded only for GET requests, Ignore such cases where ttfb will be empty.

internal/logger/message/audit/entry.go

@@ -41,6 +41,8 @@ type Entry struct {
 		Object          string `json:"object,omitempty"`
 		Status          string `json:"status,omitempty"`
 		StatusCode      int    `json:"statusCode,omitempty"`
+		InputBytes      int64  `json:"rx"`
+		OutputBytes     int64  `json:"tx"`
 		TimeToFirstByte string `json:"timeToFirstByte,omitempty"`
 		TimeToResponse  string `json:"timeToResponse,omitempty"`
 	} `json:"api"`