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# 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 import flavor_access
from nova.api.openstack import identity
from nova.api.openstack import wsgi
from nova.api import validation
from nova import exception
from nova.i18n import _
from nova.policies import flavor_access as fa_policies
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."""
@wsgi.expected_errors(404)
def index(self, req, flavor_id):
context = req.environ['nova.context']
context.can(fa_policies.BASE_POLICY_NAME)
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."""
@wsgi.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']
context.can(fa_policies.POLICY_ROOT % "add_tenant_access", target={})
vals = body['addTenantAccess']
tenant = vals['tenant']
identity.verify_project_id(context, tenant)
flavor = common.get_flavor(context, id)
try:
if api_version_request.is_supported(req, min_version='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())
return _marshall_flavor_access(flavor)
@wsgi.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']
context.can(
fa_policies.POLICY_ROOT % "remove_tenant_access", target={})
vals = body['removeTenantAccess']
tenant = vals['tenant']
# It doesn't really matter if project exists or not: we can delete
# it from flavor's access list in both cases.
try:
identity.verify_project_id(context, tenant)
except webob.exc.HTTPBadRequest as identity_exc:
msg = "Project ID %s is not a valid project." % tenant
if msg not in identity_exc.explanation:
raise
# NOTE(gibi): We have to load a flavor from the db here as
# flavor.remove_access() will try to emit a notification and that needs
# a fully loaded flavor.
flavor = common.get_flavor(context, id)
try:
flavor.remove_access(tenant)
except (exception.FlavorAccessNotFound,
exception.FlavorNotFound) as e:
raise webob.exc.HTTPNotFound(explanation=e.format_message())
return _marshall_flavor_access(flavor)
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