Track health check ListObjects as Class A operations

internal/health/s3_checker.go

@@ -34,7 +34,8 @@ func (t *S3Target) GetEndpoint() string {
 
 // S3Checker S3健康检查器
 type S3Checker struct {
-	config Config
+	config    Config
+	opRecorder OperationRecorder
 }
 
 // NewS3Checker 创建S3健康检查器
@@ -54,6 +55,11 @@ func NewS3Checker(config Config) *S3Checker {
 	}
 }
 
+// SetOperationRecorder 设置操作记录器
+func (c *S3Checker) SetOperationRecorder(recorder OperationRecorder) {
+	c.opRecorder = recorder
+}
+
 // Check 执行S3健康检查
 func (c *S3Checker) Check(ctx context.Context, target Target) Status {
 	s3Target, ok := target.(*S3Target)
@@ -121,6 +127,12 @@ func (c *S3Checker) performSimpleCheck(ctx context.Context, target *S3Target) er
 		Bucket:  aws.String(target.Bucket),
 		MaxKeys: aws.Int32(1),
 	})
+
+	// 记录操作（ListObjectsV2 是 Class A 操作）
+	if c.opRecorder != nil {
+		c.opRecorder.RecordOperation(target.GetID(), OperationTypeA)
+	}
+
 	return err
 }
 

internal/health/stats.go

@@ -26,7 +26,8 @@ type Stats struct {
 
 // S3StatsCollector S3统计信息收集器
 type S3StatsCollector struct {
-	timeout time.Duration
+	timeout    time.Duration
+	opRecorder OperationRecorder
 }
 
 // NewS3StatsCollector 创建S3统计信息收集器
@@ -39,6 +40,11 @@ func NewS3StatsCollector(timeout time.Duration) *S3StatsCollector {
 	}
 }
 
+// SetOperationRecorder 设置操作记录器
+func (c *S3StatsCollector) SetOperationRecorder(recorder OperationRecorder) {
+	c.opRecorder = recorder
+}
+
 // CollectStats 收集S3存储桶统计信息
 func (c *S3StatsCollector) CollectStats(ctx context.Context, target Target) (*Stats, error) {
 	s3Target, ok := target.(*S3Target)
@@ -58,6 +64,12 @@ func (c *S3StatsCollector) CollectStats(ctx context.Context, target Target) (*St
 			Bucket:            aws.String(s3Target.Bucket),
 			ContinuationToken: continuationToken,
 		})
+
+		// 记录操作（每次 ListObjectsV2 调用都是 Class A 操作）
+		if c.opRecorder != nil {
+			c.opRecorder.RecordOperation(s3Target.GetID(), OperationTypeA)
+		}
+
 		if err != nil {
 			return nil, err
 		}

internal/health/types.go

@@ -66,3 +66,19 @@ type HealthReporter interface {
 	// ReportHealth 报告健康状态
 	ReportHealth(targetID string, status Status)
 }
+
+// OperationCategory 操作分类
+type OperationCategory string
+
+const (
+	// OperationTypeA 写入类操作 (ListObjects, PutObject, etc.)
+	OperationTypeA OperationCategory = "A"
+	// OperationTypeB 读取类操作 (GetObject)
+	OperationTypeB OperationCategory = "B"
+)
+
+// OperationRecorder 操作记录器接口
+type OperationRecorder interface {
+	// RecordOperation 记录一次后端操作
+	RecordOperation(targetID string, category OperationCategory)
+}