Config (#3502)

* [Update] 修改config

* [Update] 移动存储设置到到terminal中

* [Update] 修改permission 查看

* [Update] pre merge

* [Update] 录像存储

* [Update] 命令存储

* [Update] 添加存储测试可连接性

* [Update] 修改 meta 值的 key 为大写

* [Update] 修改 Terminal 相关 Storage 配置

* [Update] 删除之前获取录像/命令存储的代码

* [Update] 修改导入失败

* [Update] 迁移文件添加default存储

* [Update] 删除之前代码，添加help_text信息

* [Update] 删除之前代码

* [Update] 删除之前代码

* [Update] 抽象命令/录像存储 APIView

* [Update] 抽象命令/录像存储 APIView 1

* [Update] 抽象命令/录像存储 DictField

* [Update] 抽象命令/录像存储列表页面

* [Update] 修复CustomDictField的bug

* [Update] RemoteApp 页面添加 hidden

* [Update] 用户页面添加用户关联授权

* [Update] 修改存储测试可连接性 target

* [Update] 修改配置

* [Update] 修改存储前端 Form 渲染逻辑

* [Update] 修改存储细节

* [Update] 统一存储类型到 const 文件

* [Update] 修改迁移文件及Model，创建默认存储

* [Update] 修改迁移文件及Model初始化默认数据

* [Update] 修改迁移文件

* [Update] 修改迁移文件

* [Update] 修改迁移文件

* [Update] 修改迁移文件

* [Update] 修改迁移文件

* [Update] 修改迁移文件

* [Update] 修改迁移文件

* [Update] 限制删除默认存储配置，只允许创建扩展的存储类型

* [Update] 修改ip字段长度

* [Update] 修改ip字段长度

* [Update] 修改一些css

* [Update] 修改关联

* [Update] 添加操作日志定时清理

* [Update] 修改记录syslog的instance encoder

* [Update] 忽略登录产生的操作日志

* [Update] 限制更新存储时不覆盖原有AK SK 等字段

* [Update] 修改迁移文件添加comment字段

* [Update] 修改迁移文件

* [Update] 添加 comment 字段

* [Update] 修改默认存储no -> null

* [Update] 修改细节

* [Update] 更新翻译（存储配置

* [Update] 修改定时任务注册，修改系统用户资产、节点关系api

* [Update] 添加监控磁盘任务

* [Update] 修改session

* [Update] 拆分serializer

* [Update] 还原setting原来的manager

apps/settings/models.py

@@ -1,10 +1,9 @@
 import json
 
 from django.db import models
-from django.core.cache import cache
 from django.db.utils import ProgrammingError, OperationalError
 from django.utils.translation import ugettext_lazy as _
-from django.conf import settings
+from django.core.cache import cache
 
 from common.utils import get_signer
 
@@ -34,12 +33,28 @@ class Setting(models.Model):
     comment = models.TextField(verbose_name=_("Comment"))
 
     objects = SettingManager()
+    cache_key_prefix = '_SETTING_'
 
     def __str__(self):
         return self.name
 
-    def __getattr__(self, item):
-        return cache.get(item)
+    @classmethod
+    def get(cls, item):
+        cached = cls.get_from_cache(item)
+        if cached is not None:
+            return cached
+        instances = cls.objects.filter(name=item)
+        if len(instances) == 1:
+            s = instances[0]
+            s.refresh_setting()
+            return s.cleaned_value
+        return None
+
+    @classmethod
+    def get_from_cache(cls, item):
+        key = cls.cache_key_prefix + item
+        cached = cache.get(key)
+        return cached
 
     @property
     def cleaned_value(self):
@@ -64,44 +79,6 @@ class Setting(models.Model):
         except json.JSONDecodeError as e:
             raise ValueError("Json dump error: {}".format(str(e)))
 
-    @classmethod
-    def save_storage(cls, name, data):
-        """
-        :param name: TERMINAL_REPLAY_STORAGE or TERMINAL_COMMAND_STORAGE
-        :param data: {}
-        :return: Setting object
-        """
-        obj = cls.objects.filter(name=name).first()
-        if not obj:
-            obj = cls()
-            obj.name = name
-            obj.encrypted = True
-            obj.cleaned_value = data
-        else:
-            value = obj.cleaned_value
-            if value is None:
-                value = {}
-            value.update(data)
-            obj.cleaned_value = value
-        obj.save()
-        return obj
-
-    @classmethod
-    def delete_storage(cls, name, storage_name):
-        """
-        :param name: TERMINAL_REPLAY_STORAGE or TERMINAL_COMMAND_STORAGE
-        :param storage_name: ""
-        :return: bool
-        """
-        obj = cls.objects.filter(name=name).first()
-        if not obj:
-            return False
-        value = obj.cleaned_value
-        value.pop(storage_name, '')
-        obj.cleaned_value = value
-        obj.save()
-        return True
-
     @classmethod
     def refresh_all_settings(cls):
         try:
@@ -112,16 +89,8 @@ class Setting(models.Model):
             pass
 
     def refresh_setting(self):
-        setattr(settings, self.name, self.cleaned_value)
-        if self.name == "AUTH_LDAP":
-            if self.cleaned_value and settings.AUTH_LDAP_BACKEND not in settings.AUTHENTICATION_BACKENDS:
-                old_setting = settings.AUTHENTICATION_BACKENDS
-                old_setting.insert(0, settings.AUTH_LDAP_BACKEND)
-                settings.AUTHENTICATION_BACKENDS = old_setting
-            elif not self.cleaned_value and settings.AUTH_LDAP_BACKEND in settings.AUTHENTICATION_BACKENDS:
-                old_setting = settings.AUTHENTICATION_BACKENDS
-                old_setting.remove(settings.AUTH_LDAP_BACKEND)
-                settings.AUTHENTICATION_BACKENDS = old_setting
+        key = self.cache_key_prefix + self.name
+        cache.set(key, self.cleaned_value, None)
 
     class Meta:
         db_table = "settings_setting"