我设置了一个简单的芹菜任务。要运行它,我首先关闭了redis服务器,然后激活了虚拟环境并输入“ celery beat”,打开了一个进入虚拟环境的新终端窗口,并输入了“ celery worker”
Flask==1.0.2
celery==4.2.1
requests==2.19
这是随后的错误消息:
消费者:无法连接到amqp:// guest:**@127.0.0.1:5672 //:已定时
这是执行“ celery beat”后显示的配置详细信息:
配置-> 。经纪人-> amqp:// guest:** @ localhost:5672 // 。 loader-> celery.loaders.default.Loader 。调度程序-> celery.beat.PersistentScheduler 。 db-> celerybeat-schedule 。日志文件-> [stderr] @%警告 。 maxinterval-> 5.00分钟(300秒)
flask-proj / app / __ init __。py
from flask import Flask, request, jsonify
from celery import Celery
import celeryconfig
app = Flask(__name__)
app.config.from_object('config')
def make_celery(app):
# create context tasks in celery
celery = Celery(
app.import_name,
broker=app.config['BROKER_URL']
)
celery.conf.update(app.config)
celery.config_from_object(celeryconfig)
TaskBase = celery.Task
class ContextTask(TaskBase):
abstract = True
def __call__(self, *args, **kwargs):
with app.app_context():
return TaskBase.__call__(self, *args, **kwargs)
celery.Task = ContextTask
return celery
celery = make_celery(app)
@app.route("/")
def hello():
return "Hello World!"
flask-proj / tasks / test.py
import celery
@celery.task()
def print_hello():
logger = print_hello.get_logger()
logger.info("Hello")
flask-proj / config.py
import os
REDIS_HOST = "127.0.0.1" REDIS_PORT = 6379 BROKER_URL = environ.get('REDIS_URL', "redis://{host}:{port}/0".format(
host=REDIS_HOST, port=str(REDIS_PORT))) CELERY_RESULT_BACKEND = BROKER_URL
flask-proj / celeryconfig.py
from celery.schedules import crontab
CELERY_IMPORTS = ('app.tasks.test')
CELERY_TASK_RESULT_EXPIRES = 30
CELERY_TIMEZONE = 'UTC'
CELERY_ACCEPT_CONTENT = ['json', 'msgpack', 'yaml']
CELERY_TASK_SERIALIZER = 'json'
CELERY_RESULT_SERIALIZER = 'json'
CELERYBEAT_SCHEDULE = {
'test-celery': {
'task': 'app.tasks.test.print_hello',
# Every minute
'schedule': crontab(minute="*"),
}
}
如果需要提供其他详细信息,请告诉我。
答案 0 :(得分:1)
amqp是rabbitmq,而不是redis。
Redis通常是
{key:lst[0] for key, lst in dct.items()}
我将手动配置以查看其是否有效。
redis://:password@hostname:port/db_number
答案 1 :(得分:0)
从 celery.conf.update(app.config)
函数中删除make_celery()
行,因此就像
def make_celery(app):
# create context tasks in celery
celery = Celery(
app.import_name,
broker=app.config['BROKER_URL']
)
celery.conf.update(app.config) # remove this line.
celery.config_from_object(celeryconfig)
TaskBase = celery.Task
将flask-proj/config.py
的粘贴内容复制到flask-proj/celeryconfig.py
。
因此 flask-proj/celeryconfig.py
会变得像
from celery.schedules import crontab
import os
REDIS_HOST = "127.0.0.1"
REDIS_PORT = 6379
BROKER_URL = os.environ.get(
'REDIS_URL', "redis://{host}:{port}/0".format(
host=REDIS_HOST, port=str(REDIS_PORT)))
CELERY_RESULT_BACKEND = BROKER_URL
CELERY_IMPORTS = ('app.tasks.test')
CELERY_TASK_RESULT_EXPIRES = 30
CELERY_TIMEZONE = 'UTC'
CELERY_ACCEPT_CONTENT = ['json', 'msgpack', 'yaml']
CELERY_TASK_SERIALIZER = 'json'
CELERY_RESULT_SERIALIZER = 'json'
CELERYBEAT_SCHEDULE = {
'test-celery': {
'task': 'app.tasks.test.print_hello',
# Every minute
'schedule': crontab(minute="*"),
}
}
答案 2 :(得分:0)
在Django中也有同样的问题,但事实证明我的问题是在settings.py中使用“ BROKER_URL”而不是“ CELERY_BROKER_URL”。 Celery找不到URL,并且默认使用Rabbitmq端口而不是redis端口。