396 lines
16 KiB
Python
396 lines
16 KiB
Python
# Copyright (c) 2013 eBay Inc.
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# Copyright (c) 2013 OpenStack Foundation
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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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"""The QoS specs extension"""
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from oslo_log import log as logging
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import six
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from six.moves import http_client
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import webob
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from cinder.api import common
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from cinder.api import extensions
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from cinder.api.openstack import wsgi
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from cinder.api.views import qos_specs as view_qos_specs
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from cinder import exception
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from cinder.i18n import _
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from cinder import rpc
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from cinder import utils
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from cinder.volume import qos_specs
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LOG = logging.getLogger(__name__)
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authorize = extensions.extension_authorizer('volume', 'qos_specs_manage')
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def _check_specs(context, specs_id):
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# Not found exception will be handled at the wsgi level
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qos_specs.get_qos_specs(context, specs_id)
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class QoSSpecsController(wsgi.Controller):
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"""The volume type extra specs API controller for the OpenStack API."""
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_view_builder_class = view_qos_specs.ViewBuilder
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@staticmethod
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def _notify_qos_specs_error(context, method, payload):
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rpc.get_notifier('QoSSpecs').error(context,
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method,
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payload)
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def index(self, req):
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"""Returns the list of qos_specs."""
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context = req.environ['cinder.context']
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authorize(context)
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params = req.params.copy()
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marker, limit, offset = common.get_pagination_params(params)
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sort_keys, sort_dirs = common.get_sort_params(params)
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filters = params
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allowed_search_options = ('id', 'name', 'consumer')
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utils.remove_invalid_filter_options(context, filters,
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allowed_search_options)
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specs = qos_specs.get_all_specs(context, filters=filters,
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marker=marker, limit=limit,
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offset=offset, sort_keys=sort_keys,
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sort_dirs=sort_dirs)
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return self._view_builder.summary_list(req, specs)
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def create(self, req, body=None):
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context = req.environ['cinder.context']
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authorize(context)
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self.assert_valid_body(body, 'qos_specs')
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specs = body['qos_specs']
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name = specs.pop('name', None)
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if name is None:
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msg = _("Please specify a name for QoS specs.")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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self.validate_string_length(name, 'name', min_length=1,
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max_length=255, remove_whitespaces=True)
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name = name.strip()
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# Validate the key-value pairs in the qos spec.
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utils.validate_dictionary_string_length(specs)
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try:
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spec = qos_specs.create(context, name, specs)
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notifier_info = dict(name=name, specs=specs)
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rpc.get_notifier('QoSSpecs').info(context,
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'qos_specs.create',
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notifier_info)
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except exception.InvalidQoSSpecs as err:
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notifier_err = dict(name=name, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.create',
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notifier_err)
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raise webob.exc.HTTPBadRequest(explanation=six.text_type(err))
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except exception.QoSSpecsExists as err:
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notifier_err = dict(name=name, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.create',
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notifier_err)
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raise webob.exc.HTTPConflict(explanation=six.text_type(err))
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except exception.QoSSpecsCreateFailed as err:
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notifier_err = dict(name=name, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.create',
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notifier_err)
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raise webob.exc.HTTPInternalServerError(
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explanation=six.text_type(err))
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return self._view_builder.detail(req, spec)
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def update(self, req, id, body=None):
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context = req.environ['cinder.context']
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authorize(context)
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self.assert_valid_body(body, 'qos_specs')
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specs = body['qos_specs']
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try:
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qos_specs.update(context, id, specs)
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notifier_info = dict(id=id, specs=specs)
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rpc.get_notifier('QoSSpecs').info(context,
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'qos_specs.update',
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notifier_info)
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except (exception.QoSSpecsNotFound, exception.InvalidQoSSpecs) as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.update',
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notifier_err)
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# Not found exception will be handled at the wsgi level
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raise
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except exception.QoSSpecsUpdateFailed as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.update',
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notifier_err)
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raise webob.exc.HTTPInternalServerError(
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explanation=six.text_type(err))
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return body
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def show(self, req, id):
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"""Return a single qos spec item."""
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context = req.environ['cinder.context']
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authorize(context)
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# Not found exception will be handled at the wsgi level
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spec = qos_specs.get_qos_specs(context, id)
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return self._view_builder.detail(req, spec)
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def delete(self, req, id):
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"""Deletes an existing qos specs."""
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context = req.environ['cinder.context']
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authorize(context)
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# Convert string to bool type in strict manner
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force = utils.get_bool_param('force', req.params)
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LOG.debug("Delete qos_spec: %(id)s, force: %(force)s",
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{'id': id, 'force': force})
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try:
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qos_specs.delete(context, id, force)
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notifier_info = dict(id=id)
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rpc.get_notifier('QoSSpecs').info(context,
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'qos_specs.delete',
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notifier_info)
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except exception.QoSSpecsNotFound as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.delete',
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notifier_err)
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# Not found exception will be handled at the wsgi level
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raise
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except exception.QoSSpecsInUse as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.delete',
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notifier_err)
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if force:
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msg = _('Failed to disassociate qos specs.')
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raise webob.exc.HTTPInternalServerError(explanation=msg)
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msg = _('Qos specs still in use.')
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raise webob.exc.HTTPBadRequest(explanation=msg)
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return webob.Response(status_int=http_client.ACCEPTED)
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def delete_keys(self, req, id, body):
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"""Deletes specified keys in qos specs."""
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context = req.environ['cinder.context']
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authorize(context)
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if not (body and 'keys' in body
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and isinstance(body.get('keys'), list)):
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raise webob.exc.HTTPBadRequest()
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keys = body['keys']
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LOG.debug("Delete_key spec: %(id)s, keys: %(keys)s",
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{'id': id, 'keys': keys})
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try:
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qos_specs.delete_keys(context, id, keys)
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notifier_info = dict(id=id)
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rpc.get_notifier('QoSSpecs').info(context, 'qos_specs.delete_keys',
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notifier_info)
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except exception.NotFound as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.delete_keys',
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notifier_err)
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# Not found exception will be handled at the wsgi level
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raise
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return webob.Response(status_int=http_client.ACCEPTED)
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def associations(self, req, id):
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"""List all associations of given qos specs."""
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context = req.environ['cinder.context']
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authorize(context)
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LOG.debug("Get associations for qos_spec id: %s", id)
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try:
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associates = qos_specs.get_associations(context, id)
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notifier_info = dict(id=id)
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rpc.get_notifier('QoSSpecs').info(context,
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'qos_specs.associations',
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notifier_info)
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except exception.QoSSpecsNotFound as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.associations',
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notifier_err)
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# Not found exception will be handled at the wsgi level
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raise
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except exception.CinderException as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.associations',
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notifier_err)
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raise webob.exc.HTTPInternalServerError(
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explanation=six.text_type(err))
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return self._view_builder.associations(req, associates)
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def associate(self, req, id):
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"""Associate a qos specs with a volume type."""
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context = req.environ['cinder.context']
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authorize(context)
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type_id = req.params.get('vol_type_id', None)
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if not type_id:
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msg = _('Volume Type id must not be None.')
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notifier_err = dict(id=id, error_message=msg)
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self._notify_qos_specs_error(context,
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'qos_specs.delete',
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notifier_err)
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raise webob.exc.HTTPBadRequest(explanation=msg)
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LOG.debug("Associate qos_spec: %(id)s with type: %(type_id)s",
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{'id': id, 'type_id': type_id})
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try:
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qos_specs.associate_qos_with_type(context, id, type_id)
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notifier_info = dict(id=id, type_id=type_id)
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rpc.get_notifier('QoSSpecs').info(context,
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'qos_specs.associate',
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notifier_info)
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except exception.NotFound as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.associate',
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notifier_err)
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# Not found exception will be handled at the wsgi level
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raise
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except exception.InvalidVolumeType as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.associate',
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notifier_err)
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self._notify_qos_specs_error(context,
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'qos_specs.associate',
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notifier_err)
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raise webob.exc.HTTPBadRequest(explanation=six.text_type(err))
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except exception.QoSSpecsAssociateFailed as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.associate',
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notifier_err)
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raise webob.exc.HTTPInternalServerError(
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explanation=six.text_type(err))
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return webob.Response(status_int=http_client.ACCEPTED)
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def disassociate(self, req, id):
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"""Disassociate a qos specs from a volume type."""
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context = req.environ['cinder.context']
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authorize(context)
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type_id = req.params.get('vol_type_id', None)
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if not type_id:
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msg = _('Volume Type id must not be None.')
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notifier_err = dict(id=id, error_message=msg)
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self._notify_qos_specs_error(context,
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'qos_specs.delete',
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notifier_err)
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raise webob.exc.HTTPBadRequest(explanation=msg)
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LOG.debug("Disassociate qos_spec: %(id)s from type: %(type_id)s",
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{'id': id, 'type_id': type_id})
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try:
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qos_specs.disassociate_qos_specs(context, id, type_id)
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notifier_info = dict(id=id, type_id=type_id)
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rpc.get_notifier('QoSSpecs').info(context,
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'qos_specs.disassociate',
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notifier_info)
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except exception.NotFound as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.disassociate',
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notifier_err)
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# Not found exception will be handled at the wsgi level
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raise
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except exception.QoSSpecsDisassociateFailed as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.disassociate',
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notifier_err)
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raise webob.exc.HTTPInternalServerError(
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explanation=six.text_type(err))
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return webob.Response(status_int=http_client.ACCEPTED)
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def disassociate_all(self, req, id):
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"""Disassociate a qos specs from all volume types."""
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context = req.environ['cinder.context']
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authorize(context)
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LOG.debug("Disassociate qos_spec: %s from all.", id)
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try:
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qos_specs.disassociate_all(context, id)
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notifier_info = dict(id=id)
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rpc.get_notifier('QoSSpecs').info(context,
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'qos_specs.disassociate_all',
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notifier_info)
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except exception.QoSSpecsNotFound as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.disassociate_all',
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notifier_err)
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# Not found exception will be handled at the wsgi level
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raise
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except exception.QoSSpecsDisassociateFailed as err:
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notifier_err = dict(id=id, error_message=err)
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self._notify_qos_specs_error(context,
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'qos_specs.disassociate_all',
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notifier_err)
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raise webob.exc.HTTPInternalServerError(
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explanation=six.text_type(err))
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return webob.Response(status_int=http_client.ACCEPTED)
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class Qos_specs_manage(extensions.ExtensionDescriptor):
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"""QoS specs support."""
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name = "Qos_specs_manage"
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alias = "qos-specs"
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updated = "2013-08-02T00:00:00+00:00"
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def get_resources(self):
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resources = []
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res = extensions.ResourceExtension(
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Qos_specs_manage.alias,
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QoSSpecsController(),
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member_actions={"associations": "GET",
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"associate": "GET",
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"disassociate": "GET",
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"disassociate_all": "GET",
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"delete_keys": "PUT"})
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resources.append(res)
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return resources
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