178 lines
6.7 KiB
Python
178 lines
6.7 KiB
Python
# Copyright (c) 2011 Zadara Storage Inc.
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# Copyright (c) 2011 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 share types extra specs extension"""
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import six
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import webob
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from manila.api import common
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from manila.api import extensions
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from manila.api.openstack import wsgi
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from manila import db
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from manila import exception
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from manila.i18n import _
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from manila import rpc
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from manila.share import share_types
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authorize = extensions.extension_authorizer('share', 'types_extra_specs')
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class ShareTypeExtraSpecsController(wsgi.Controller):
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"""The share type extra specs API controller for the OpenStack API."""
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def _get_extra_specs(self, context, type_id):
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extra_specs = db.share_type_extra_specs_get(context, type_id)
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specs_dict = {}
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for key, value in six.iteritems(extra_specs):
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specs_dict[key] = value
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return dict(extra_specs=specs_dict)
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def _check_type(self, context, type_id):
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try:
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share_types.get_share_type(context, type_id)
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except exception.NotFound as ex:
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raise webob.exc.HTTPNotFound(explanation=ex.msg)
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def _verify_extra_specs(self, extra_specs, verify_all_required=True):
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if verify_all_required:
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try:
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share_types.get_valid_required_extra_specs(extra_specs)
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except exception.InvalidExtraSpec as e:
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raise webob.exc.HTTPBadRequest(explanation=six.text_type(e))
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def is_valid_string(v):
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return isinstance(v, six.string_types) and len(v) in range(1, 256)
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def is_valid_extra_spec(k, v):
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valid_extra_spec_key = is_valid_string(k)
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valid_type = is_valid_string(v) or isinstance(v, bool)
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valid_required_extra_spec = (
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share_types.is_valid_required_extra_spec(k, v) in (None, True))
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return (valid_extra_spec_key
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and valid_type
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and valid_required_extra_spec)
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for k, v in six.iteritems(extra_specs):
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if is_valid_string(k) and isinstance(v, dict):
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self._verify_extra_specs(v)
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elif not is_valid_extra_spec(k, v):
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expl = _('Invalid extra_spec: %(key)s: %(value)s') % {
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'key': k, 'value': v
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}
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raise webob.exc.HTTPBadRequest(explanation=expl)
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def index(self, req, type_id):
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"""Returns the list of extra specs for a given share type."""
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context = req.environ['manila.context']
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authorize(context)
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self._check_type(context, type_id)
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return self._get_extra_specs(context, type_id)
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def create(self, req, type_id, body=None):
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context = req.environ['manila.context']
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authorize(context)
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if not self.is_valid_body(body, 'extra_specs'):
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raise webob.exc.HTTPBadRequest()
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self._check_type(context, type_id)
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specs = body['extra_specs']
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self._verify_extra_specs(specs, False)
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self._check_key_names(specs.keys())
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db.share_type_extra_specs_update_or_create(context, type_id, specs)
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notifier_info = dict(type_id=type_id, specs=specs)
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notifier = rpc.get_notifier('shareTypeExtraSpecs')
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notifier.info(context, 'share_type_extra_specs.create', notifier_info)
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return body
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def update(self, req, type_id, id, body=None):
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context = req.environ['manila.context']
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authorize(context)
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if not body:
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expl = _('Request body empty')
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raise webob.exc.HTTPBadRequest(explanation=expl)
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self._check_type(context, type_id)
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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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if len(body) > 1:
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expl = _('Request body contains too many items')
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raise webob.exc.HTTPBadRequest(explanation=expl)
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self._verify_extra_specs(body, False)
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db.share_type_extra_specs_update_or_create(context, type_id, body)
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notifier_info = dict(type_id=type_id, id=id)
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notifier = rpc.get_notifier('shareTypeExtraSpecs')
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notifier.info(context, 'share_type_extra_specs.update', notifier_info)
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return body
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def show(self, req, type_id, id):
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"""Return a single extra spec item."""
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context = req.environ['manila.context']
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authorize(context)
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self._check_type(context, type_id)
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specs = self._get_extra_specs(context, type_id)
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if id in specs['extra_specs']:
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return {id: specs['extra_specs'][id]}
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else:
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raise webob.exc.HTTPNotFound()
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def delete(self, req, type_id, id):
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"""Deletes an existing extra spec."""
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context = req.environ['manila.context']
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self._check_type(context, type_id)
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authorize(context)
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if id in share_types.get_required_extra_specs():
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msg = _("Required extra specs can't be deleted.")
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raise webob.exc.HTTPForbidden(explanation=msg)
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try:
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db.share_type_extra_specs_delete(context, type_id, id)
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except exception.ShareTypeExtraSpecsNotFound as error:
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raise webob.exc.HTTPNotFound(explanation=error.msg)
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notifier_info = dict(type_id=type_id, id=id)
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notifier = rpc.get_notifier('shareTypeExtraSpecs')
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notifier.info(context, 'share_type_extra_specs.delete', notifier_info)
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return webob.Response(status_int=202)
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def _check_key_names(self, keys):
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if not common.validate_key_names(keys):
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expl = _('Key names can only contain alphanumeric characters, '
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'underscores, periods, colons and hyphens.')
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raise webob.exc.HTTPBadRequest(explanation=expl)
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class Types_extra_specs(extensions.ExtensionDescriptor):
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"""Type extra specs support."""
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name = "TypesExtraSpecs"
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alias = "os-types-extra-specs"
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updated = "2011-08-24T00:00:00+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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'extra_specs',
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ShareTypeExtraSpecsController(),
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parent=dict(member_name='type',
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collection_name='types')
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)
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resources.append(res)
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return resources
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