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from datetime import datetime
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from django.db import transaction
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from django.core.cache import cache
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from django.utils.translation import ugettext_lazy as _
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from users.models import User
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from common.utils import get_request_ip, get_logger
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from common.utils.timezone import as_current_tz
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from common.utils.encode import Singleton
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from common.local import encrypted_field_set
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from settings.serializers import SettingsSerializer
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from jumpserver.utils import current_request
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from orgs.utils import get_current_org_id
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from .backends import get_operate_log_storage
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from .const import ActionChoices
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logger = get_logger(__name__)
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class OperatorLogHandler(metaclass=Singleton):
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CACHE_KEY = 'OPERATOR_LOG_CACHE_KEY'
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def __init__(self):
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self.log_client = self.get_storage_client()
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@staticmethod
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def get_storage_client():
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client = get_operate_log_storage()
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return client
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@staticmethod
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def _consistent_type_to_str(value1, value2):
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if isinstance(value1, datetime):
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value1 = as_current_tz(value1).strftime('%Y-%m-%d %H:%M:%S')
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if isinstance(value2, datetime):
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value2 = as_current_tz(value2).strftime('%Y-%m-%d %H:%M:%S')
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return value1, value2
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def _look_for_two_dict_change(self, left_dict, right_dict):
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# 以右边的字典为基础
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before, after = {}, {}
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for key, value in right_dict.items():
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pre_value = left_dict.get(key, '')
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pre_value, value = self._consistent_type_to_str(pre_value, value)
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if sorted(str(value)) == sorted(str(pre_value)):
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continue
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if pre_value:
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before[key] = pre_value
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if value:
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after[key] = value
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return before, after
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def cache_instance_before_data(self, instance_dict):
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instance_id = instance_dict.get('id')
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if instance_id is None:
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return
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key = '%s_%s' % (self.CACHE_KEY, instance_id)
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cache.set(key, instance_dict, 3 * 60)
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def get_instance_dict_from_cache(self, instance_id):
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if instance_id is None:
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return None, None
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key = '%s_%s' % (self.CACHE_KEY, instance_id)
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cache_instance = cache.get(key, {})
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log_id = cache_instance.get('operate_log_id')
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return log_id, cache_instance
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def get_instance_current_with_cache_diff(self, current_instance):
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log_id, before, after = None, None, None
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instance_id = current_instance.get('id')
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if instance_id is None:
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return log_id, before, after
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log_id, cache_instance = self.get_instance_dict_from_cache(instance_id)
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if not cache_instance:
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return log_id, before, after
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before, after = self._look_for_two_dict_change(
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cache_instance, current_instance
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)
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return log_id, before, after
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@staticmethod
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def get_resource_display_from_setting(resource):
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resource_display = None
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setting_serializer = SettingsSerializer()
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label = setting_serializer.get_field_label(resource)
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if label is not None:
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resource_display = label
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return resource_display
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def get_resource_display(self, resource):
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resource_display = str(resource)
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return_value = self.get_resource_display_from_setting(resource_display)
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if return_value is not None:
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resource_display = return_value
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return resource_display
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@staticmethod
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def serialized_value(value: (list, tuple)):
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if len(value) == 0:
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return ''
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if isinstance(value[0], str):
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return ','.join(value)
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return ','.join([i['value'] for i in value if i.get('value')])
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def __data_processing(self, dict_item, loop=True):
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encrypt_value = '******'
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for key, value in dict_item.items():
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if isinstance(value, bool):
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value = _('Yes') if value else _('No')
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elif isinstance(value, (list, tuple)):
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value = self.serialized_value(value)
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elif isinstance(value, dict) and loop:
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self.__data_processing(value, loop=False)
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if key in encrypted_field_set:
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value = encrypt_value
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dict_item[key] = value
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return dict_item
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def data_processing(self, before, after):
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if before:
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before = self.__data_processing(before)
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if after:
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after = self.__data_processing(after)
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return before, after
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@staticmethod
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def _get_Session_params(resource, **kwargs):
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# 更新会话的日志不在Activity中体现，
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# 否则会话结束，录像文件结束操作的会话记录都会体现出来
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params = {}
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action = kwargs.get('data', {}).get('action', 'create')
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detail = _(
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'{} used account[{}], login method[{}] login the asset.'
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).format(
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resource.user, resource.account, resource.login_from_display
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)
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if action == ActionChoices.create:
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params = {
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'action': ActionChoices.connect,
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'resource_id': str(resource.asset_id),
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'user': resource.user, 'detail': detail
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}
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return params
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@staticmethod
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def _get_ChangeSecretRecord_params(resource, **kwargs):
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detail = _(
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'User {} has executed change auth plan for this account.({})'
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).format(
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resource.created_by, _(resource.status.title())
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)
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return {
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'action': ActionChoices.change_auth, 'detail': detail,
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'resource_id': str(resource.account_id),
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}
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@staticmethod
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def _get_UserLoginLog_params(resource, **kwargs):
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username = resource.username
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login_status = _('Success') if resource.status else _('Failed')
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detail = _('User {} login into this service.[{}]').format(
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resource.username, login_status
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)
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user_id = User.objects.filter(username=username).\
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values_list('id', flat=True)[0]
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return {
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'action': ActionChoices.login, 'detail': detail,
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'resource_id': str(user_id),
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}
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def _activity_handle(self, data, object_name, resource):
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param_func = getattr(self, '_get_%s_params' % object_name, None)
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if param_func is not None:
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params = param_func(resource, data=data)
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data.update(params)
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return data
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def create_or_update_operate_log(
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self, action, resource_type, resource=None,
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force=False, log_id=None, before=None, after=None,
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object_name=None
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):
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user = current_request.user if current_request else None
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if not user or not user.is_authenticated:
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return
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remote_addr = get_request_ip(current_request)
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resource_display = self.get_resource_display(resource)
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before, after = self.data_processing(before, after)
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if not force and not any([before, after]):
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# 前后都没变化，没必要生成日志，除非手动强制保存
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return
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data = {
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'id': log_id, "user": str(user), 'action': action,
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'resource_type': str(resource_type), 'resource': resource_display,
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'remote_addr': remote_addr, 'before': before, 'after': after,
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'org_id': get_current_org_id(), 'resource_id': str(resource.id)
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}
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data = self._activity_handle(data, object_name, resource=resource)
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with transaction.atomic():
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if self.log_client.ping(timeout=1):
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client = self.log_client
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else:
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logger.info('Switch default operate log storage save.')
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client = get_operate_log_storage(default=True)
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try:
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client.save(**data)
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except Exception as e:
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error_msg = 'An error occurred saving OperateLog.' \
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'Error: %s, Data: %s' % (e, data)
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logger.error(error_msg)
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op_handler = OperatorLogHandler()
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# 理论上操作日志的唯一入口
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create_or_update_operate_log = op_handler.create_or_update_operate_log
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cache_instance_before_data = op_handler.cache_instance_before_data
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get_instance_current_with_cache_diff = op_handler.get_instance_current_with_cache_diff
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get_instance_dict_from_cache = op_handler.get_instance_dict_from_cache
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