nova/nova/api/openstack/compute/flavor_manage.py

137 lines
5.5 KiB
Python

# 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.
import webob
from nova.api.openstack import api_version_request
from nova.api.openstack.compute.schemas import flavor_manage
from nova.api.openstack.compute.views import flavors as flavors_view
from nova.api.openstack import wsgi
from nova.api import validation
from nova.compute import flavors
from nova import exception
from nova import objects
from nova.policies import base
from nova.policies import flavor_manage as fm_policies
from nova import policy
ALIAS = "os-flavor-manage"
class FlavorManageController(wsgi.Controller):
"""The Flavor Lifecycle API controller for the OpenStack API."""
_view_builder_class = flavors_view.ViewBuilder
def __init__(self):
super(FlavorManageController, self).__init__()
# NOTE(oomichi): Return 202 for backwards compatibility but should be
# 204 as this operation complete the deletion of aggregate resource and
# return no response body.
@wsgi.response(202)
@wsgi.expected_errors((404))
@wsgi.action("delete")
def _delete(self, req, id):
context = req.environ['nova.context']
# TODO(rb560u): remove this check in future release
using_old_action = \
policy.verify_deprecated_policy(fm_policies.BASE_POLICY_NAME,
fm_policies.POLICY_ROOT % 'delete',
base.RULE_ADMIN_API,
context)
if not using_old_action:
context.can(fm_policies.POLICY_ROOT % 'delete')
flavor = objects.Flavor(context=context, flavorid=id)
try:
flavor.destroy()
except exception.FlavorNotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.format_message())
# NOTE(oomichi): Return 200 for backwards compatibility but should be 201
# as this operation complete the creation of flavor resource.
@wsgi.action("create")
@wsgi.expected_errors((400, 409))
@validation.schema(flavor_manage.create_v20, '2.0', '2.0')
@validation.schema(flavor_manage.create, '2.1', '2.54')
@validation.schema(flavor_manage.create_v2_55,
flavors_view.FLAVOR_DESCRIPTION_MICROVERSION)
def _create(self, req, body):
context = req.environ['nova.context']
# TODO(rb560u): remove this check in future release
using_old_action = \
policy.verify_deprecated_policy(fm_policies.BASE_POLICY_NAME,
fm_policies.POLICY_ROOT % 'create',
base.RULE_ADMIN_API,
context)
if not using_old_action:
context.can(fm_policies.POLICY_ROOT % 'create')
vals = body['flavor']
name = vals['name']
flavorid = vals.get('id')
memory = vals['ram']
vcpus = vals['vcpus']
root_gb = vals['disk']
ephemeral_gb = vals.get('OS-FLV-EXT-DATA:ephemeral', 0)
swap = vals.get('swap', 0)
rxtx_factor = vals.get('rxtx_factor', 1.0)
is_public = vals.get('os-flavor-access:is_public', True)
# The user can specify a description starting with microversion 2.55.
include_description = api_version_request.is_supported(
req, flavors_view.FLAVOR_DESCRIPTION_MICROVERSION)
description = vals.get('description') if include_description else None
try:
flavor = flavors.create(name, memory, vcpus, root_gb,
ephemeral_gb=ephemeral_gb,
flavorid=flavorid, swap=swap,
rxtx_factor=rxtx_factor,
is_public=is_public,
description=description)
# NOTE(gmann): For backward compatibility, non public flavor
# access is not being added for created tenant. Ref -bug/1209101
req.cache_db_flavor(flavor)
except (exception.FlavorExists,
exception.FlavorIdExists) as err:
raise webob.exc.HTTPConflict(explanation=err.format_message())
return self._view_builder.show(req, flavor, include_description)
@wsgi.Controller.api_version(flavors_view.FLAVOR_DESCRIPTION_MICROVERSION)
@wsgi.action('update')
@wsgi.expected_errors((400, 404))
@validation.schema(flavor_manage.update_v2_55,
flavors_view.FLAVOR_DESCRIPTION_MICROVERSION)
def _update(self, req, id, body):
# Validate the policy.
context = req.environ['nova.context']
context.can(fm_policies.POLICY_ROOT % 'update')
# Get the flavor and update the description.
try:
flavor = objects.Flavor.get_by_flavor_id(context, id)
flavor.description = body['flavor']['description']
flavor.save()
except exception.FlavorNotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.format_message())
# Cache the flavor so the flavor_access and flavor_rxtx extensions
# can add stuff to the response.
req.cache_db_flavor(flavor)
return self._view_builder.show(req, flavor, include_description=True)