dns clickhouse改造

EdgeCommon/pkg/serverconfigs/access_log_write_targets.go

@@ -2,8 +2,6 @@
 
 package serverconfigs
 
-import "encoding/json"
-
 // AccessLogWriteTargets 访问日志写入目标（双写/单写：文件、MySQL、ClickHouse）
 type AccessLogWriteTargets struct {
 	File       bool `yaml:"file" json:"file"`             // 写本地 JSON 文件（供 Fluent Bit → ClickHouse 或自用）
@@ -27,23 +25,8 @@ func (t *AccessLogWriteTargets) NeedWriteFile() bool {
 	return t.File
 }
 
-// ParseWriteTargetsFromPolicy 从策略的 writeTargets JSON 与旧字段解析；无 writeTargets 时按 type + disableDefaultDB 推断
+// ParseWriteTargetsFromPolicy 兼容入口：当前统一按 type 推导写入目标，不再依赖 writeTargets 字段
 func ParseWriteTargetsFromPolicy(writeTargetsJSON []byte, policyType string, disableDefaultDB bool) *AccessLogWriteTargets {
-	if len(writeTargetsJSON) > 0 {
-		var t AccessLogWriteTargets
-		if err := json.Unmarshal(writeTargetsJSON, &t); err == nil {
-			return &t
-		}
-	}
-	// 兼容旧策略：type=file 视为写文件，!disableDefaultDB 视为写 MySQL
-	t := &AccessLogWriteTargets{
-		File:       policyType == AccessLogStorageTypeFile,
-		MySQL:      !disableDefaultDB,
-		ClickHouse: false,
-	}
-	if !t.File && !t.MySQL && !t.ClickHouse {
-		t.File = true
-		t.MySQL = true
-	}
-	return t
+	_ = writeTargetsJSON
+	return ResolveWriteTargetsByType(policyType, disableDefaultDB)
 }