jumpserver/apps/ops/celery/utils.py

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# -*- coding: utf-8 -*-
#
import json
import redis_lock
import redis
from django.conf import settings
from django.utils.timezone import get_current_timezone
from django.db.utils import ProgrammingError, OperationalError
from django_celery_beat.models import (
PeriodicTask, IntervalSchedule, CrontabSchedule, PeriodicTasks
)
from common.utils.timezone import local_now
from common.utils import get_logger
logger = get_logger(__name__)
def create_or_update_celery_periodic_tasks(tasks):
"""
:param tasks: {
'add-every-monday-morning': {
'task': 'tasks.add' # A registered celery task,
'interval': 30,
'crontab': "30 7 * * *",
'args': (16, 16),
'kwargs': {},
'enabled': False,
'description': ''
},
}
:return:
"""
# Todo: check task valid, task and callback must be a celery task
for name, detail in tasks.items():
interval = None
crontab = None
last_run_at = None
try:
IntervalSchedule.objects.all().count()
except (ProgrammingError, OperationalError):
return None
if isinstance(detail.get("interval"), int):
kwargs = dict(
every=detail['interval'],
period=IntervalSchedule.SECONDS,
)
# 不能使用 get_or_create因为可能会有多个
interval = IntervalSchedule.objects.filter(**kwargs).first()
if interval is None:
interval = IntervalSchedule.objects.create(**kwargs)
last_run_at = local_now()
elif isinstance(detail.get("crontab"), str):
try:
minute, hour, day, month, week = detail["crontab"].split()
except ValueError:
logger.error("crontab is not valid")
return
kwargs = dict(
minute=minute, hour=hour, day_of_week=week,
day_of_month=day, month_of_year=month, timezone=get_current_timezone()
)
crontab = CrontabSchedule.objects.filter(**kwargs).first()
if crontab is None:
crontab = CrontabSchedule.objects.create(**kwargs)
else:
logger.error("Schedule is not valid")
return
defaults = dict(
interval=interval,
crontab=crontab,
name=name,
task=detail['task'],
args=json.dumps(detail.get('args', [])),
kwargs=json.dumps(detail.get('kwargs', {})),
description=detail.get('description') or '',
last_run_at=last_run_at,
)
task = PeriodicTask.objects.update_or_create(
defaults=defaults, name=name,
)
PeriodicTasks.update_changed()
return task
def disable_celery_periodic_task(task_name):
from django_celery_beat.models import PeriodicTask
PeriodicTask.objects.filter(name=task_name).update(enabled=False)
PeriodicTasks.update_changed()
def delete_celery_periodic_task(task_name):
from django_celery_beat.models import PeriodicTask
PeriodicTask.objects.filter(name=task_name).delete()
PeriodicTasks.update_changed()
def get_celery_periodic_task(task_name):
from django_celery_beat.models import PeriodicTask
task = PeriodicTask.objects.filter(name=task_name).first()
return task
def get_celery_task_log_path(task_id):
from ops.utils import get_task_log_path
return get_task_log_path(settings.CELERY_LOG_DIR, task_id)
def get_celery_status():
from . import app
i = app.control.inspect()
ping_data = i.ping() or {}
active_nodes = [k for k, v in ping_data.items() if v.get('ok') == 'pong']
active_queue_worker = set([n.split('@')[0] for n in active_nodes if n])
# Celery Worker 数量: 2
if len(active_queue_worker) < 2:
print("Not all celery worker worked")
return False
else:
return True
def get_beat_status():
CONFIG = settings.CONFIG
r = redis.Redis(host=CONFIG.REDIS_HOST, port=CONFIG.REDIS_PORT, password=CONFIG.REDIS_PASSWORD)
lock = redis_lock.Lock(r, name="beat-distribute-start-lock")
try:
locked = lock.locked()
return locked
except redis.ConnectionError:
return False