71 lines
2 KiB
Python
71 lines
2 KiB
Python
# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd. and Contributors
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# MIT License. See license.txt
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from __future__ import unicode_literals
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import frappe
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from frappe.utils.scheduler import enqueue_events
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from frappe.celery_app import get_celery, celery_task, task_logger, get_queue, LONGJOBS_PREFIX
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from frappe.cli import get_sites
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from frappe.utils.file_lock import delete_lock
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@celery_task()
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def sync_queues():
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"""notifies workers to monitor newly added sites"""
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app = get_celery()
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shortjob_workers, longjob_workers = get_workers(app)
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for site in get_sites():
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if shortjob_workers:
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app.control.broadcast('add_consumer', arguments=get_queue(site),
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reply=True, destination=shortjob_workers)
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if longjob_workers:
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app.control.broadcast('add_consumer', arguments=get_queue(site, LONGJOBS_PREFIX),
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reply=True, destination=longjob_workers)
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def get_workers(app):
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longjob_workers = []
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shortjob_workers = []
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active_queues = app.control.inspect().active_queues()
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for worker in active_queues.keys():
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if worker.startswith(LONGJOBS_PREFIX):
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longjob_workers.append(worker)
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else:
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shortjob_workers.append(worker)
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return shortjob_workers, longjob_workers
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@celery_task()
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def scheduler_task(site, event, handler, now=False):
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from frappe.utils.scheduler import log
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traceback = ""
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task_logger.info('running {handler} for {site} for event: {event}'.format(handler=handler, site=site, event=event))
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try:
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if not now:
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frappe.connect(site=site)
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frappe.get_attr(handler)()
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except Exception:
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frappe.db.rollback()
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traceback = log(handler, "Method: {event}, Handler: {handler}".format(event=event, handler=handler))
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task_logger.warn(traceback)
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raise
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else:
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frappe.db.commit()
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finally:
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delete_lock(handler)
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if not now:
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frappe.destroy()
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task_logger.info('ran {handler} for {site} for event: {event}'.format(handler=handler, site=site, event=event))
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@celery_task()
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def enqueue_scheduler_events():
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for site in get_sites():
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frappe.connect(site=site)
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enqueue_events(site)
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frappe.destroy()
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