OpenStack Compute (Nova)
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nova/nova/api/openstack/compute/plugins/v3/flavor_access.py

164 lines
5.7 KiB

# Copyright (c) 2011 OpenStack Foundation
# All Rights Reserved.
#
# 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.
"""The flavor access extension."""
import webob
from nova.api.openstack import api_version_request
from nova.api.openstack import common
from nova.api.openstack.compute.schemas.v3 import flavor_access
from nova.api.openstack import extensions
from nova.api.openstack import wsgi
from nova.api import validation
from nova import exception
from nova.i18n import _
from nova import objects
ALIAS = 'os-flavor-access'
soft_authorize = extensions.os_compute_soft_authorizer(ALIAS)
authorize = extensions.os_compute_authorizer(ALIAS)
def _marshall_flavor_access(flavor):
rval = []
for project_id in flavor.projects:
rval.append({'flavor_id': flavor.flavorid,
'tenant_id': project_id})
return {'flavor_access': rval}
class FlavorAccessController(wsgi.Controller):
"""The flavor access API controller for the OpenStack API."""
def __init__(self):
super(FlavorAccessController, self).__init__()
@extensions.expected_errors(404)
def index(self, req, flavor_id):
context = req.environ['nova.context']
authorize(context)
flavor = common.get_flavor(context, flavor_id)
# public flavor to all projects
if flavor.is_public:
explanation = _("Access list not available for public flavors.")
raise webob.exc.HTTPNotFound(explanation=explanation)
# private flavor to listed projects only
return _marshall_flavor_access(flavor)
class FlavorActionController(wsgi.Controller):
"""The flavor access API controller for the OpenStack API."""
def _extend_flavor(self, flavor_rval, flavor_ref):
key = "%s:is_public" % (FlavorAccess.alias)
flavor_rval[key] = flavor_ref['is_public']
@wsgi.extends
def show(self, req, resp_obj, id):
context = req.environ['nova.context']
if soft_authorize(context):
db_flavor = req.get_db_flavor(id)
self._extend_flavor(resp_obj.obj['flavor'], db_flavor)
@wsgi.extends
def detail(self, req, resp_obj):
context = req.environ['nova.context']
if soft_authorize(context):
flavors = list(resp_obj.obj['flavors'])
for flavor_rval in flavors:
db_flavor = req.get_db_flavor(flavor_rval['id'])
self._extend_flavor(flavor_rval, db_flavor)
@wsgi.extends(action='create')
def create(self, req, body, resp_obj):
context = req.environ['nova.context']
if soft_authorize(context):
db_flavor = req.get_db_flavor(resp_obj.obj['flavor']['id'])
self._extend_flavor(resp_obj.obj['flavor'], db_flavor)
@extensions.expected_errors((400, 403, 404, 409))
@wsgi.action("addTenantAccess")
@validation.schema(flavor_access.add_tenant_access)
def _add_tenant_access(self, req, id, body):
context = req.environ['nova.context']
authorize(context, action="add_tenant_access")
vals = body['addTenantAccess']
tenant = vals['tenant']
flavor = common.get_flavor(context, id)
try:
req_ver = req.api_version_request
if req_ver >= api_version_request.APIVersionRequest("2.7"):
if flavor.is_public:
exp = _("Can not add access to a public flavor.")
raise webob.exc.HTTPConflict(explanation=exp)
flavor.add_access(tenant)
except exception.FlavorNotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.format_message())
except exception.FlavorAccessExists as err:
raise webob.exc.HTTPConflict(explanation=err.format_message())
except exception.AdminRequired as e:
raise webob.exc.HTTPForbidden(explanation=e.format_message())
return _marshall_flavor_access(flavor)
@extensions.expected_errors((400, 403, 404))
@wsgi.action("removeTenantAccess")
@validation.schema(flavor_access.remove_tenant_access)
def _remove_tenant_access(self, req, id, body):
context = req.environ['nova.context']
authorize(context, action="remove_tenant_access")
vals = body['removeTenantAccess']
tenant = vals['tenant']
flavor = objects.Flavor(context=context, flavorid=id)
try:
flavor.remove_access(tenant)
except (exception.FlavorAccessNotFound,
exception.FlavorNotFound) as e:
raise webob.exc.HTTPNotFound(explanation=e.format_message())
except exception.AdminRequired as e:
raise webob.exc.HTTPForbidden(explanation=e.format_message())
return _marshall_flavor_access(flavor)
class FlavorAccess(extensions.V3APIExtensionBase):
"""Flavor access support."""
name = "FlavorAccess"
alias = ALIAS
version = 1
def get_resources(self):
res = extensions.ResourceExtension(
ALIAS,
controller=FlavorAccessController(),
parent=dict(member_name='flavor', collection_name='flavors'))
return [res]
def get_controller_extensions(self):
extension = extensions.ControllerExtension(
self, 'flavors', FlavorActionController())
return [extension]