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pretix_original/src/pretix/base/views/health.py

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1.9 KiB
Python

#
# This file is part of pretix (Community Edition).
#
# Copyright (C) 2014-2020 Raphael Michel and contributors
# Copyright (C) 2020-2021 rami.io GmbH and contributors
#
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
# Public License as published by the Free Software Foundation in version 3 of the License.
#
# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
# this file, see <https://pretix.eu/about/en/license>.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
# <https://www.gnu.org/licenses/>.
#
from django.conf import settings
from django.core import cache
from django.http import HttpResponse
from ..models import User
def healthcheck(request):
# Perform a simple DB query to see that DB access works
User.objects.exists()
# Test if redis access works
if settings.HAS_REDIS:
import django_redis
redis = django_redis.get_redis_connection("redis")
redis.set("_healthcheck", 1)
if not redis.exists("_healthcheck"):
return HttpResponse("Redis not available.", status=503)
cache.cache.set("_healthcheck", "1")
if not cache.cache.get("_healthcheck") == "1":
return HttpResponse("Cache not available.", status=503)
return HttpResponse()