Celery

Question

我的服务如下：

[Service]
User=vagrant
Group=vagrant
WorkingDirectory=/home/vagrant/
ExecStart=/usr/bin/celery -A tasks /usr/bin/flower --port=5000 --basic_auth=sun:flower --persistent=true --/var/log/supervisord.log
Restart=on-failure
Type=simple

在创建 REDIS 主从复制并将 Celery 和 flower 指向 Master 之后，我创建了一个用于测试目的的简单任务...

celery.ini for Supervisord

[program:SPSimpleTasks]
directory = /home/vagrant/
command = celery -A tasks worker --loglevel=DEBUG -n SimpleTasks
user=vagrant
autostart=true
autorestart=true
stdout_logfile=/var/log/supervisord.log
stderr_logfile=/var/log/supervisord.log

celery_app.py

from celery import Celery

app = Celery('tasks', backend='redis://:<PASSWORD>@192.168.100.20:6379/0')
#app.config_from_object('celeryconfig')
app.conf.update(
    enable_utc          =   True,
    broker_url          =   'redis://:<PASSWORD>@192.168.100.20:6379/0',
    result_backend      =   'redis://:<PASSWORD>@192.168.100.20:6379/1',
    result_persistent   =   True,
    task_serializer     =   'json',
    result_serializer   =   'json',
    accept_content      =   ['json']
)

再一次，工作人员工作正常，花显示任务结果。但是一旦我使用

重新启动服务

sudo service flower restart

Flower 作为全新安装加载，没有任何数据...

我是不是对代理/后端 URL 做错了什么？

Answer 1

好吧，这是对 Flower 中配置的额外更改，我稍微更改了方法！

所需的配置属性是 db

我将服务更新为

/etc/systemd/system/flower.服务

[Unit]
Description=Flower Celery Service

[Service]
User=vagrant
Group=vagrant
WorkingDirectory=/home/vagrant/
ExecStart=/usr/bin/flower --/var/log/supervisord.log
Restart=on-failure
Type=simple

[Install]
WantedBy=multi-user.target

/home/vagrant/flowerconfig.py

port        =   5000
broker      =   'redis://:<password>@192.168.100.20:6379/0'
broker_api  =   'redis://:<password>@192.168.100.20:6379/0'
basic_auth  =   ['sun:flower']
persistent  =   True
db          =   '/home/vagrant/flower.db'

提供db属性后，一切正常。除了一个问题.. Flower Dashboard 没有显示数据，但 Tasks 页面在刷新之前加载了任务列表！

向http://flower.readthedocs.io/en/latest/config.html#db

学习

A database file to use if persistent mode is enabled (by default, db=flower)

我已经提交了和 issue/observation in flower 一样的 -- https://github.com/mher/flower/issues/787

希望这对其他面临类似问题的人有所帮助！！

Celery - Cent/7 中的 Flower 服务在重启后不显示数据

Celery - Flower service in Cent/7 doesn't show data after a restart

python

supervisord

flower

centos7