feat: sync httpdns sdk/platform updates without large binaries

EdgeAPI/internal/setup/upgrade_config.go

@@ -0,0 +1,45 @@
+package setup
+
+import (
+	"encoding/json"
+	"sync"
+	"time"
+
+	"github.com/TeaOSLab/EdgeAPI/internal/db/models"
+	"github.com/TeaOSLab/EdgeCommon/pkg/systemconfigs"
+)
+
+var (
+	sharedUpgradeConfig     *systemconfigs.UpgradeConfig
+	sharedUpgradeConfigTime time.Time
+	sharedUpgradeConfigMu   sync.Mutex
+)
+
+const upgradeConfigTTL = 5 * time.Minute
+
+// LoadUpgradeConfig 读取升级配置（带5分钟内存缓存）
+func LoadUpgradeConfig() (*systemconfigs.UpgradeConfig, error) {
+	sharedUpgradeConfigMu.Lock()
+	defer sharedUpgradeConfigMu.Unlock()
+
+	if sharedUpgradeConfig != nil && time.Since(sharedUpgradeConfigTime) < upgradeConfigTTL {
+		return sharedUpgradeConfig, nil
+	}
+
+	valueJSON, err := models.SharedSysSettingDAO.ReadSetting(nil, systemconfigs.SettingCodeUpgradeConfig)
+	if err != nil {
+		return nil, err
+	}
+
+	config := systemconfigs.NewUpgradeConfig()
+	if len(valueJSON) > 0 {
+		err = json.Unmarshal(valueJSON, config)
+		if err != nil {
+			return config, nil
+		}
+	}
+
+	sharedUpgradeConfig = config
+	sharedUpgradeConfigTime = time.Now()
+	return config, nil
+}