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https://github.com/jumpserver/jumpserver.git
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d2df8acd84
* fix: 修复数据库连接没有关闭的bug perf: websocket 断开也添加关闭数据库连接 * fix: 修复数据库连接没有关闭问题 Co-authored-by: ibuler <ibuler@qq.com>
90 lines
2.8 KiB
Python
90 lines
2.8 KiB
Python
import time
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import os
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import threading
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import json
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from channels.generic.websocket import JsonWebsocketConsumer
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from common.utils import get_logger
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from common.db.utils import close_old_connections
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from .celery.utils import get_celery_task_log_path
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from .ansible.utils import get_ansible_task_log_path
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logger = get_logger(__name__)
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class TaskLogWebsocket(JsonWebsocketConsumer):
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disconnected = False
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log_types = {
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'celery': get_celery_task_log_path,
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'ansible': get_ansible_task_log_path
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}
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def connect(self):
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user = self.scope["user"]
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if user.is_authenticated:
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self.accept()
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else:
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self.close()
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def get_log_path(self, task_id):
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func = self.log_types.get(self.log_type)
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if func:
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return func(task_id)
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def receive(self, text_data=None, bytes_data=None, **kwargs):
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data = json.loads(text_data)
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task_id = data.get('task')
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self.log_type = data.get('type', 'celery')
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if task_id:
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self.handle_task(task_id)
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def wait_util_log_path_exist(self, task_id):
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log_path = self.get_log_path(task_id)
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while not self.disconnected:
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if not os.path.exists(log_path):
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self.send_json({'message': '.', 'task': task_id})
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time.sleep(0.5)
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continue
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self.send_json({'message': '\r\n'})
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try:
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logger.debug('Task log path: {}'.format(log_path))
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task_log_f = open(log_path, 'rb')
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return task_log_f
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except OSError:
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return None
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def read_log_file(self, task_id):
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task_log_f = self.wait_util_log_path_exist(task_id)
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if not task_log_f:
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logger.debug('Task log file is None: {}'.format(task_id))
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return
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task_end_mark = []
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while not self.disconnected:
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data = task_log_f.read(4096)
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if data:
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data = data.replace(b'\n', b'\r\n')
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self.send_json(
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{'message': data.decode(errors='ignore'), 'task': task_id}
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)
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if data.find(b'succeeded in') != -1:
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task_end_mark.append(1)
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if data.find(bytes(task_id, 'utf8')) != -1:
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task_end_mark.append(1)
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elif len(task_end_mark) == 2:
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logger.debug('Task log end: {}'.format(task_id))
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break
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time.sleep(0.2)
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task_log_f.close()
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def handle_task(self, task_id):
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logger.info("Task id: {}".format(task_id))
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thread = threading.Thread(target=self.read_log_file, args=(task_id,))
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thread.start()
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def disconnect(self, close_code):
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self.disconnected = True
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self.close()
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close_old_connections()
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