mirror of https://github.com/jumpserver/jumpserver
220 lines
7.4 KiB
Python
220 lines
7.4 KiB
Python
import os
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import time
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from openpyxl import Workbook
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from collections import defaultdict, OrderedDict
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from django.conf import settings
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from django.db.models import F
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from rest_framework import serializers
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from assets.models import Account
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from assets.const import AllTypes
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from assets.serializers import AccountSecretSerializer
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from assets.notifications import AccountBackupExecutionTaskMsg
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from users.models import User
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from common.utils import get_logger
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from common.utils.timezone import local_now_display
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from common.utils.file import encrypt_and_compress_zip_file
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logger = get_logger(__file__)
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PATH = os.path.join(os.path.dirname(settings.BASE_DIR), 'tmp')
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class BaseAccountHandler:
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@classmethod
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def unpack_data(cls, serializer_data, data=None):
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if data is None:
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data = {}
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for k, v in serializer_data.items():
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if isinstance(v, OrderedDict):
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cls.unpack_data(v, data)
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else:
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data[k] = v
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return data
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@classmethod
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def get_header_fields(cls, serializer: serializers.Serializer):
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try:
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backup_fields = getattr(serializer, 'Meta').fields_backup
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except AttributeError:
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backup_fields = serializer.fields.keys()
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header_fields = {}
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for field in backup_fields:
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v = serializer.fields[field]
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if isinstance(v, serializers.Serializer):
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_fields = cls.get_header_fields(v)
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header_fields.update(_fields)
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else:
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header_fields[field] = str(v.label)
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return header_fields
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@classmethod
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def create_row(cls, data, header_fields):
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data = cls.unpack_data(data)
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row_dict = {}
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for field, header_name in header_fields.items():
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row_dict[header_name] = str(data.get(field, field))
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return row_dict
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@classmethod
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def add_rows(cls, data, header_fields, sheet):
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data_map = defaultdict(list)
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for i in data:
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row = cls.create_row(i, header_fields)
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if sheet not in data_map:
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data_map[sheet].append(list(row.keys()))
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data_map[sheet].append(list(row.values()))
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return data_map
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class AssetAccountHandler(BaseAccountHandler):
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@staticmethod
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def get_filename(plan_name):
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filename = os.path.join(
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PATH, f'{plan_name}-{local_now_display()}-{time.time()}.xlsx'
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)
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return filename
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@classmethod
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def create_data_map(cls, types: list):
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data_map = defaultdict(list)
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# TODO 可以优化一下查询 在账号上做 category 的缓存 避免数据量大时连表操作
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qs = Account.objects.filter(
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asset__platform__type__in=types
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).annotate(type=F('asset__platform__type'))
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if not qs.exists():
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return data_map
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type_dict = {}
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for i in AllTypes.grouped_choices_to_objs():
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for j in i['children']:
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type_dict[j['value']] = j['display_name']
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header_fields = cls.get_header_fields(AccountSecretSerializer(qs.first()))
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account_type_map = defaultdict(list)
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for account in qs:
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account_type_map[account.type].append(account)
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data_map = {}
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for tp, accounts in account_type_map.items():
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sheet_name = type_dict.get(tp, tp)
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data = AccountSecretSerializer(accounts, many=True).data
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data_map.update(cls.add_rows(data, header_fields, sheet_name))
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logger.info('\n\033[33m- 共收集 {} 条账号\033[0m'.format(qs.count()))
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return data_map
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class AccountBackupHandler:
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def __init__(self, execution):
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self.execution = execution
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self.plan_name = self.execution.plan.name
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self.is_frozen = False # 任务状态冻结标志
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def create_excel(self):
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logger.info(
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'\n'
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'\033[32m>>> 正在生成资产或应用相关备份信息文件\033[0m'
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''
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)
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# Print task start date
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time_start = time.time()
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files = []
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types = self.execution.types
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data_map = AssetAccountHandler.create_data_map(types)
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if not data_map:
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return files
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filename = AssetAccountHandler.get_filename(self.plan_name)
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wb = Workbook(filename)
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for sheet, data in data_map.items():
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ws = wb.create_sheet(str(sheet))
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for row in data:
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ws.append(row)
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wb.save(filename)
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files.append(filename)
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timedelta = round((time.time() - time_start), 2)
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logger.info('步骤完成: 用时 {}s'.format(timedelta))
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return files
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def send_backup_mail(self, files, recipients):
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if not files:
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return
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recipients = User.objects.filter(id__in=list(recipients))
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logger.info(
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'\n'
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'\033[32m>>> 发送备份邮件\033[0m'
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''
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)
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plan_name = self.plan_name
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for user in recipients:
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if not user.secret_key:
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attachment_list = []
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else:
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password = user.secret_key.encode('utf8')
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attachment = os.path.join(PATH, f'{plan_name}-{local_now_display()}-{time.time()}.zip')
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encrypt_and_compress_zip_file(attachment, password, files)
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attachment_list = [attachment, ]
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AccountBackupExecutionTaskMsg(plan_name, user).publish(attachment_list)
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logger.info('邮件已发送至{}({})'.format(user, user.email))
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for file in files:
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os.remove(file)
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def step_perform_task_update(self, is_success, reason):
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self.execution.reason = reason[:1024]
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self.execution.is_success = is_success
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self.execution.save()
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logger.info('已完成对任务状态的更新')
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def step_finished(self, is_success):
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if is_success:
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logger.info('任务执行成功')
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else:
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logger.error('任务执行失败')
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def _run(self):
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is_success = False
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error = '-'
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try:
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recipients = self.execution.plan_snapshot.get('recipients')
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if not recipients:
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logger.info(
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'\n'
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'\033[32m>>> 该备份任务未分配收件人\033[0m'
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''
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)
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else:
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files = self.create_excel()
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self.send_backup_mail(files, recipients)
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except Exception as e:
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self.is_frozen = True
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logger.error('任务执行被异常中断')
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logger.info('下面打印发生异常的 Traceback 信息 : ')
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logger.error(e, exc_info=True)
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error = str(e)
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else:
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is_success = True
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finally:
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reason = error
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self.step_perform_task_update(is_success, reason)
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self.step_finished(is_success)
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def run(self):
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logger.info('任务开始: {}'.format(local_now_display()))
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time_start = time.time()
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try:
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self._run()
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except Exception as e:
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logger.error('任务运行出现异常')
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logger.error('下面显示异常 Traceback 信息: ')
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logger.error(e, exc_info=True)
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finally:
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logger.info('\n任务结束: {}'.format(local_now_display()))
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timedelta = round((time.time() - time_start), 2)
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logger.info('用时: {}'.format(timedelta))
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