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77 lines
2.7 KiB
77 lines
2.7 KiB
import asyncio
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import os
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import aiofiles
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from channels.generic.websocket import AsyncJsonWebsocketConsumer
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from common.db.utils import close_old_connections
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from common.utils import get_logger
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from .ansible.utils import get_ansible_task_log_path
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from .celery.utils import get_celery_task_log_path
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from .const import CELERY_LOG_MAGIC_MARK
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logger = get_logger(__name__)
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class TaskLogWebsocket(AsyncJsonWebsocketConsumer):
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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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async def connect(self):
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user = self.scope["user"]
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if user.is_authenticated:
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await self.accept()
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else:
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await self.close()
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def get_log_path(self, task_id, log_type):
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func = self.log_types.get(log_type)
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if func:
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return func(task_id)
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async def receive_json(self, content, **kwargs):
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task_id = content.get('task')
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task_typ = content.get('type', 'celery')
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log_path = self.get_log_path(task_id, task_typ)
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await self.async_handle_task(task_id, log_path)
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async def async_handle_task(self, task_id, log_path):
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logger.info("Task id: {}".format(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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await self.send_json({'message': '.', 'task': task_id})
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await asyncio.sleep(0.5)
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else:
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await self.send_task_log(task_id, log_path)
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break
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async def send_task_log(self, task_id, log_path):
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await 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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async with aiofiles.open(log_path, 'rb') as task_log_f:
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while not self.disconnected:
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data = await 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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await 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(CELERY_LOG_MAGIC_MARK) != -1:
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await self.send_json(
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{'event': 'end', 'task': task_id, 'message': ''}
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)
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logger.debug("Task log file magic mark found")
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break
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await asyncio.sleep(0.2)
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except OSError as e:
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logger.warn('Task log path open failed: {}'.format(e))
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async def disconnect(self, close_code):
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self.disconnected = True
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close_old_connections()
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