jumpserver/apps/ops/ws.py

90 lines
2.8 KiB
Python

import time
import os
import threading
import json
from channels.generic.websocket import JsonWebsocketConsumer
from common.utils import get_logger
from common.db.utils import close_old_connections
from .celery.utils import get_celery_task_log_path
from .ansible.utils import get_ansible_task_log_path
logger = get_logger(__name__)
class TaskLogWebsocket(JsonWebsocketConsumer):
disconnected = False
log_types = {
'celery': get_celery_task_log_path,
'ansible': get_ansible_task_log_path
}
def connect(self):
user = self.scope["user"]
if user.is_authenticated:
self.accept()
else:
self.close()
def get_log_path(self, task_id):
func = self.log_types.get(self.log_type)
if func:
return func(task_id)
def receive(self, text_data=None, bytes_data=None, **kwargs):
data = json.loads(text_data)
task_id = data.get('task')
self.log_type = data.get('type', 'celery')
if task_id:
self.handle_task(task_id)
def wait_util_log_path_exist(self, task_id):
log_path = self.get_log_path(task_id)
while not self.disconnected:
if not os.path.exists(log_path):
self.send_json({'message': '.', 'task': task_id})
time.sleep(0.5)
continue
self.send_json({'message': '\r\n'})
try:
logger.debug('Task log path: {}'.format(log_path))
task_log_f = open(log_path, 'rb')
return task_log_f
except OSError:
return None
def read_log_file(self, task_id):
task_log_f = self.wait_util_log_path_exist(task_id)
if not task_log_f:
logger.debug('Task log file is None: {}'.format(task_id))
return
task_end_mark = []
while not self.disconnected:
data = task_log_f.read(4096)
if data:
data = data.replace(b'\n', b'\r\n')
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
time.sleep(0.2)
task_log_f.close()
def handle_task(self, task_id):
logger.info("Task id: {}".format(task_id))
thread = threading.Thread(target=self.read_log_file, args=(task_id,))
thread.start()
def disconnect(self, close_code):
self.disconnected = True
self.close()
close_old_connections()