mirror of https://github.com/zulip/zulip.git
55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
"""\
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Deliver email messages that have been queued by various things
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(at this time invitation reminders and day1/day2 followup emails).
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This management command is run via supervisor. Do not run on multiple
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machines, as you may encounter multiple sends in a specific race
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condition. (Alternatively, you can set `EMAIL_DELIVERER_DISABLED=True`
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on all but one machine to make the command have no effect.)
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"""
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import logging
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import time
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from typing import Any
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from django.conf import settings
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from django.core.management.base import BaseCommand
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from django.utils.timezone import now as timezone_now
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from zerver.lib.logging_util import log_to_file
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from zerver.lib.management import sleep_forever
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from zerver.lib.send_email import EmailNotDeliveredException, deliver_email
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from zerver.models import ScheduledEmail
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## Setup ##
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logger = logging.getLogger(__name__)
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log_to_file(logger, settings.EMAIL_DELIVERER_LOG_PATH)
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class Command(BaseCommand):
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help = """Deliver emails queued by various parts of Zulip
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(either for immediate sending or sending at a specified time).
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Run this command under supervisor. This is for SMTP email delivery.
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Usage: ./manage.py deliver_email
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"""
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def handle(self, *args: Any, **options: Any) -> None:
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if settings.EMAIL_DELIVERER_DISABLED:
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sleep_forever()
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while True:
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email_jobs_to_deliver = ScheduledEmail.objects.filter(
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scheduled_timestamp__lte=timezone_now())
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if email_jobs_to_deliver:
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for job in email_jobs_to_deliver:
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try:
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deliver_email(job)
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except EmailNotDeliveredException:
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logger.warning("%r not delivered" % (job,))
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time.sleep(10)
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else:
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# Less load on the db during times of activity,
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# and more responsiveness when the load is low
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time.sleep(2)
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