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jumpserver/apps/ops/ws.py

79 lines
2.7 KiB

import asyncio
import os
import aiofiles
from channels.generic.websocket import AsyncJsonWebsocketConsumer
from common.db.utils import close_old_connections
from common.utils import get_logger
from .ansible.utils import get_ansible_task_log_path
from .celery.utils import get_celery_task_log_path
logger = get_logger(__name__)
class TaskLogWebsocket(AsyncJsonWebsocketConsumer):
disconnected = False
log_types = {
'celery': get_celery_task_log_path,
'ansible': get_ansible_task_log_path
}
async def connect(self):
user = self.scope["user"]
if user.is_authenticated:
await self.accept()
else:
await self.close()
def get_log_path(self, task_id, log_type):
func = self.log_types.get(log_type)
if func:
return func(task_id)
async def receive_json(self, content, **kwargs):
task_id = content.get('task')
task_typ = content.get('type', 'celery')
log_path = self.get_log_path(task_id, task_typ)
await self.async_handle_task(task_id, log_path)
async def async_handle_task(self, task_id, log_path):
logger.info("Task id: {}".format(task_id))
while not self.disconnected:
if not os.path.exists(log_path):
await self.send_json({'message': '.', 'task': task_id})
await asyncio.sleep(0.5)
else:
await self.send_task_log(task_id, log_path)
break
async def send_task_log(self, task_id, log_path):
await self.send_json({'message': '\r\n'})
try:
logger.debug('Task log path: {}'.format(log_path))
task_end_mark = []
async with aiofiles.open(log_path, 'rb') as task_log_f:
while not self.disconnected:
data = await task_log_f.read(4096)
if data:
data = data.replace(b'\n', b'\r\n')
await self.send_json(
{'message': data.decode(errors='ignore'), 'task': task_id}
)
if data.find(b'succeeded in') != -1:
task_end_mark.append(1)
if data.find(bytes(task_id, 'utf8')) != -1:
task_end_mark.append(1)
elif len(task_end_mark) == 2:
logger.debug('Task log end: {}'.format(task_id))
break
await asyncio.sleep(0.2)
except OSError as e:
logger.warn('Task log path open failed: {}'.format(e))
await self.close()
async def disconnect(self, close_code):
self.disconnected = True
close_old_connections()