102 lines
3.4 KiB
Python
102 lines
3.4 KiB
Python
# Copyright (c) 2014 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import contextlib
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from django.conf import settings
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from django.contrib.messages import api as msg_api
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from django.utils.encoding import force_unicode
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from django.utils.translation import ugettext_lazy as _
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from horizon import exceptions
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from openstack_dashboard.api import base
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from oslo_log import log as logging
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import muranoclient.client as client
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from muranoclient.common import exceptions as exc
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LOG = logging.getLogger(__name__)
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def _handle_message(request, message):
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def horizon_message_already_queued(_message):
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_message = force_unicode(_message)
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if request.is_ajax():
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for tag, msg, extra in request.horizon['async_messages']:
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if _message == msg:
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return True
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else:
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for msg in msg_api.get_messages(request):
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if msg.message == _message:
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return True
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return False
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if horizon_message_already_queued(message):
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exceptions.handle(request, ignore=True)
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else:
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exceptions.handle(request, message=message)
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@contextlib.contextmanager
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def handled_exceptions(request):
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"""Handles all murano-api specific exceptions."""
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try:
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yield
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except exc.CommunicationError:
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msg = _('Unable to communicate to murano-api server.')
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LOG.exception(msg)
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_handle_message(request, msg)
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except exc.HTTPUnauthorized:
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msg = _('Check Keystone configuration of murano-api server.')
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LOG.exception(msg)
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_handle_message(request, msg)
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except exc.HTTPForbidden:
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msg = _('Operation is forbidden by murano-api server.')
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LOG.exception(msg)
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_handle_message(request, msg)
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except exc.HTTPNotFound:
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msg = _('Requested object is not found on murano server.')
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LOG.exception(msg)
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_handle_message(request, msg)
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except exc.HTTPConflict:
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msg = _('Requested operation conflicts with an existing object.')
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LOG.exception(msg)
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_handle_message(request, msg)
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def _get_endpoint(request):
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# prefer location specified in settings for dev purposes
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endpoint = getattr(settings, 'MURANO_API_URL', None)
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if not endpoint:
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try:
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endpoint = base.url_for(request, 'application_catalog')
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except exceptions.ServiceCatalogException:
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endpoint = 'http://localhost:8082'
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LOG.warning('Murano API location could not be found in Service '
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'Catalog, using default: {0}'.format(endpoint))
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return endpoint
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def muranoclient(request):
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endpoint = _get_endpoint(request)
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insecure = getattr(settings, 'MURANO_API_INSECURE', False)
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token_id = request.user.token.id
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LOG.debug('Murano::Client <Url: {0}, '
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'TokenId: {1}>'.format(endpoint, token_id))
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return client.Client(1, endpoint=endpoint, token=token_id,
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insecure=insecure)
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