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74 lines
2.3 KiB
74 lines
2.3 KiB
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 common.utils import get_logger |
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from .celery.utils import get_celery_task_log_path |
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from channels.generic.websocket import JsonWebsocketConsumer |
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logger = get_logger(__name__) |
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class CeleryLogWebsocket(JsonWebsocketConsumer): |
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disconnected = False |
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def connect(self): |
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self.accept() |
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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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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 = get_celery_task_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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