Source code for openstack_dashboard.api.cinder

# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 OpenStack Foundation
# Copyright 2012 Nebula, Inc.
# Copyright (c) 2012 X.commerce, a business unit of eBay Inc.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

from __future__ import absolute_import

import logging

from django.conf import settings  # noqa
from django.utils.translation import ugettext_lazy as _  # noqa

from cinderclient.v1 import client as cinder_client
from cinderclient.v1.contrib import list_extensions as cinder_list_extensions

from horizon import exceptions
from horizon.utils.memoized import memoized  # noqa

from openstack_dashboard.api import base
from openstack_dashboard.api import nova

LOG = logging.getLogger(__name__)


# API static values
VOLUME_STATE_AVAILABLE = "available"
DEFAULT_QUOTA_NAME = 'default'


def cinderclient(request):
    insecure = getattr(settings, 'OPENSTACK_SSL_NO_VERIFY', False)
[docs] cacert = getattr(settings, 'OPENSTACK_SSL_CACERT', None) cinder_url = "" try: cinder_url = base.url_for(request, 'volume') except exceptions.ServiceCatalogException: LOG.debug('no volume service configured.') return None LOG.debug('cinderclient connection created using token "%s" and url "%s"' % (request.user.token.id, cinder_url)) c = cinder_client.Client(request.user.username, request.user.token.id, project_id=request.user.tenant_id, auth_url=cinder_url, insecure=insecure, cacert=cacert, http_log_debug=settings.DEBUG) c.client.auth_token = request.user.token.id c.client.management_url = cinder_url return c def volume_list(request, search_opts=None): """To see all volumes in the cloud as an admin you can pass in a special
[docs] search option: {'all_tenants': 1} """ c_client = cinderclient(request) if c_client is None: return [] return c_client.volumes.list(search_opts=search_opts) def volume_get(request, volume_id): volume_data = cinderclient(request).volumes.get(volume_id)
[docs] for attachment in volume_data.attachments: if "server_id" in attachment: instance = nova.server_get(request, attachment['server_id']) attachment['instance_name'] = instance.name else: # Nova volume can occasionally send back error'd attachments # the lack a server_id property; to work around that we'll # give the attached instance a generic name. attachment['instance_name'] = _("Unknown instance") return volume_data def volume_create(request, size, name, description, volume_type, snapshot_id=None, metadata=None, image_id=None,
[docs] availability_zone=None): return cinderclient(request).volumes.create(size, display_name=name, display_description=description, volume_type=volume_type, snapshot_id=snapshot_id, metadata=metadata, imageRef=image_id, availability_zone=availability_zone) def volume_delete(request, volume_id): return cinderclient(request).volumes.delete(volume_id)
[docs] def volume_snapshot_get(request, snapshot_id): return cinderclient(request).volume_snapshots.get(snapshot_id)
[docs] def volume_snapshot_list(request): c_client = cinderclient(request)
[docs] if c_client is None: return [] return c_client.volume_snapshots.list() def volume_snapshot_create(request, volume_id, name, description): return cinderclient(request).volume_snapshots.create(
[docs] volume_id, display_name=name, display_description=description) def volume_snapshot_delete(request, snapshot_id): return cinderclient(request).volume_snapshots.delete(snapshot_id)
[docs] def tenant_quota_get(request, tenant_id): c_client = cinderclient(request)
[docs] if c_client is None: return base.QuotaSet() return base.QuotaSet(c_client.quotas.get(tenant_id)) def tenant_quota_update(request, tenant_id, **kwargs): return cinderclient(request).quotas.update(tenant_id, **kwargs)
[docs] def default_quota_get(request, tenant_id): return base.QuotaSet(cinderclient(request).quotas.defaults(tenant_id))
[docs] def default_quota_update(request, **kwargs): cinderclient(request).quota_classes.update(DEFAULT_QUOTA_NAME, **kwargs)
[docs] def volume_type_list(request): return cinderclient(request).volume_types.list()
[docs] def volume_type_create(request, name): return cinderclient(request).volume_types.create(name)
[docs] def volume_type_delete(request, volume_type_id): return cinderclient(request).volume_types.delete(volume_type_id)
[docs] def tenant_absolute_limits(request): limits = cinderclient(request).limits.get().absolute
[docs] limits_dict = {} for limit in limits: # -1 is used to represent unlimited quotas if limit.value == -1: limits_dict[limit.name] = float("inf") else: limits_dict[limit.name] = limit.value return limits_dict def availability_zone_list(request, detailed=False): return cinderclient(request).availability_zones.list(detailed=detailed)
[docs] @memoized def list_extensions(request):
return cinder_list_extensions.ListExtManager(cinderclient(request))\
[docs] .show_all() @memoized def extension_supported(request, extension_name):
"""This method will determine if Cinder supports a given extension name.
[docs] """ extensions = list_extensions(request) for extension in extensions: if extension.name == extension_name: return True return False