Source code for openquake.server.utils

# -*- coding: utf-8 -*-
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (C) 2015-2017 GEM Foundation
# OpenQuake 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, either version 3 of the License, or
# (at your option) any later version.
# OpenQuake is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU Affero General Public License for more details.
# You should have received a copy of the GNU Affero General Public License
# along with OpenQuake. If not, see <>.

import getpass
import requests
import logging

from time import sleep
from django.conf import settings
from openquake.engine import __version__ as oqversion

[docs]def get_user_data(request): """ Returns the real username if authentication support is enabled and user is authenticated, otherwise it returns "platform" as user for backward compatibility. Returns also if the user is 'superuser' or not. """ acl_on = settings.ACL_ON if settings.LOCKDOWN and hasattr(request, 'user'): if request.user.is_authenticated(): name = request.user.username if request.user.is_superuser: acl_on = False else: name = (settings.DEFAULT_USER if hasattr(settings, 'DEFAULT_USER') else getpass.getuser()) return {'name': name, 'acl_on': acl_on}
[docs]def oq_server_context_processor(request): """ A custom context processor which allows injection of additional context variables. """ context = {} context['oq_engine_server_url'] = ('//' + request.META.get('HTTP_HOST', 'localhost:8800')) context['oq_engine_version'] = oqversion return context
[docs]def check_webserver_running(url="http://localhost:8800", max_retries=30): """ Returns True if a given URL is responding within a given timeout. """ retry = 0 response = '' success = False while response != and retry < max_retries: try: response = requests.head(url, allow_redirects=True).status_code success = True except: sleep(1) retry += 1 if not success: logging.warn('Unable to connect to %s within %s retries' % (url, max_retries)) return success