Not recording celery beat tasks

[Horiol]

Hello, I'm trying to get traces of the celery tasks and I'm using a celery beat process to schedule the tasks but I can't receive anything if the task is executed from beat.

Example code:
tasks.py

from celery import Celery
from opentracing_instrumentation.client_hooks import celery as celery_hooks

# from custom_celery import CeleryTracing
from tracer import init_tracer
import periodic

tracer = init_tracer('test')

celery_hooks.install_patches()
app = Celery('tasks', broker='redis://localhost:6379/0')

periodic.py

from celery import shared_task


@shared_task()
def add(x=1, y=1):
    return x + y

beat.py

from celery import Celery
from tracer import init_tracer

tracer = init_tracer('beat-liveclips')

beat_schedule = {
    "print-in-ten-seconds-task": {
        "task": "periodic.add",
        "schedule": 10.0,
        "args":[3,5]
    }
}

app = Celery(broker='redis://localhost:6379/0')
app.conf.beat_schedule = beat_schedule

tracer.py

import logging
from jaeger_client import Config

def init_tracer(service):
    logging.getLogger('').handlers = []
    logging.basicConfig(format='%(message)s', level=logging.DEBUG)

    config = Config(
        config={
            'sampler': {
                'type': 'const',
                'param': 1,
            },
            'logging': True,
        },
        service_name=service,
    )

    return config.initialize_tracer()

and then, you have to execute the worker and the beat with the following commands:
celery -A tasks worker --loglevel=info
celery -A beat beat --loglevel=info