130 lines
5.5 KiB
Python
130 lines
5.5 KiB
Python
# Copyright 2010 OpenStack Foundation
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# All Rights Reserved.
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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 six
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import webob
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from nova.api.openstack import common
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from nova.api.openstack.compute.schemas import flavors_extraspecs
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from nova.api.openstack import wsgi
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from nova.api import validation
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from nova import exception
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from nova.i18n import _
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from nova.policies import flavor_extra_specs as fes_policies
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from nova import utils
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class FlavorExtraSpecsController(wsgi.Controller):
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"""The flavor extra specs API controller for the OpenStack API."""
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def _get_extra_specs(self, context, flavor_id):
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flavor = common.get_flavor(context, flavor_id)
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return dict(extra_specs=flavor.extra_specs)
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# NOTE(gmann): Max length for numeric value is being checked
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# explicitly as json schema cannot have max length check for numeric value
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def _check_extra_specs_value(self, specs):
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for value in specs.values():
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try:
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if isinstance(value, (six.integer_types, float)):
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value = six.text_type(value)
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utils.check_string_length(value, 'extra_specs value',
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max_length=255)
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except exception.InvalidInput as error:
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raise webob.exc.HTTPBadRequest(
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explanation=error.format_message())
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@wsgi.expected_errors(404)
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def index(self, req, flavor_id):
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"""Returns the list of extra specs for a given flavor."""
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context = req.environ['nova.context']
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context.can(fes_policies.POLICY_ROOT % 'index')
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return self._get_extra_specs(context, flavor_id)
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# NOTE(gmann): Here should be 201 instead of 200 by v2.1
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# +microversions because the flavor extra specs has been created
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# completely when returning a response.
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@wsgi.expected_errors((400, 404, 409))
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@validation.schema(flavors_extraspecs.create)
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def create(self, req, flavor_id, body):
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context = req.environ['nova.context']
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context.can(fes_policies.POLICY_ROOT % 'create')
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specs = body['extra_specs']
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self._check_extra_specs_value(specs)
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flavor = common.get_flavor(context, flavor_id)
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try:
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flavor.extra_specs = dict(flavor.extra_specs, **specs)
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flavor.save()
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except exception.FlavorExtraSpecUpdateCreateFailed as e:
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raise webob.exc.HTTPConflict(explanation=e.format_message())
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except exception.FlavorNotFound as e:
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raise webob.exc.HTTPNotFound(explanation=e.format_message())
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return body
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@wsgi.expected_errors((400, 404, 409))
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@validation.schema(flavors_extraspecs.update)
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def update(self, req, flavor_id, id, body):
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context = req.environ['nova.context']
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context.can(fes_policies.POLICY_ROOT % 'update')
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self._check_extra_specs_value(body)
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if id not in body:
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expl = _('Request body and URI mismatch')
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raise webob.exc.HTTPBadRequest(explanation=expl)
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flavor = common.get_flavor(context, flavor_id)
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try:
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flavor.extra_specs = dict(flavor.extra_specs, **body)
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flavor.save()
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except exception.FlavorExtraSpecUpdateCreateFailed as e:
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raise webob.exc.HTTPConflict(explanation=e.format_message())
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except exception.FlavorNotFound as e:
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raise webob.exc.HTTPNotFound(explanation=e.format_message())
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return body
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@wsgi.expected_errors(404)
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def show(self, req, flavor_id, id):
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"""Return a single extra spec item."""
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context = req.environ['nova.context']
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context.can(fes_policies.POLICY_ROOT % 'show')
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flavor = common.get_flavor(context, flavor_id)
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try:
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return {id: flavor.extra_specs[id]}
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except KeyError:
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msg = _("Flavor %(flavor_id)s has no extra specs with "
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"key %(key)s.") % dict(flavor_id=flavor_id,
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key=id)
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raise webob.exc.HTTPNotFound(explanation=msg)
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# NOTE(gmann): Here should be 204(No Content) instead of 200 by v2.1
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# +microversions because the flavor extra specs has been deleted
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# completely when returning a response.
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@wsgi.expected_errors(404)
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def delete(self, req, flavor_id, id):
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"""Deletes an existing extra spec."""
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context = req.environ['nova.context']
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context.can(fes_policies.POLICY_ROOT % 'delete')
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flavor = common.get_flavor(context, flavor_id)
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try:
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del flavor.extra_specs[id]
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flavor.save()
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except (exception.FlavorExtraSpecsNotFound,
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exception.FlavorNotFound) as e:
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raise webob.exc.HTTPNotFound(explanation=e.format_message())
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except KeyError:
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msg = _("Flavor %(flavor_id)s has no extra specs with "
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"key %(key)s.") % dict(flavor_id=flavor_id,
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key=id)
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raise webob.exc.HTTPNotFound(explanation=msg)
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