187 lines
7.6 KiB
Python
187 lines
7.6 KiB
Python
# Copyright 2011 OpenStack LLC.
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# Copyright (c) 2015 Mirantis inc.
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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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from oslo_log import log
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from oslo_utils import strutils
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from six.moves.urllib import parse
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import webob
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from manila.api.openstack import wsgi
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from manila.api.views import quota_sets as quota_sets_views
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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 quota
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QUOTAS = quota.QUOTAS
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LOG = log.getLogger(__name__)
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NON_QUOTA_KEYS = ('tenant_id', 'id', 'force')
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class QuotaSetsController(wsgi.Controller):
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"""The Quota Sets API controller for the OpenStack API."""
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resource_name = "quota_set"
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_view_builder_class = quota_sets_views.ViewBuilder
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def _validate_quota_limit(self, limit, minimum, maximum, force_update):
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# NOTE: -1 is a flag value for unlimited
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if limit < -1:
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msg = _("Quota limit must be -1 or greater.")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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if ((limit < minimum and not force_update) and
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(maximum != -1 or (maximum == -1 and limit != -1))):
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msg = _("Quota limit must greater than %s.") % minimum
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raise webob.exc.HTTPBadRequest(explanation=msg)
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if maximum != -1 and limit > maximum:
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msg = _("Quota limit must less than %s.") % maximum
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raise webob.exc.HTTPBadRequest(explanation=msg)
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def _get_quotas(self, context, id, user_id=None, usages=False):
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if user_id:
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values = QUOTAS.get_user_quotas(context, id, user_id,
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usages=usages)
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else:
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values = QUOTAS.get_project_quotas(context, id, usages=usages)
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if usages:
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return values
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return dict((k, v['limit']) for k, v in values.items())
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def show(self, req, id):
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context = req.environ['manila.context']
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self.authorize(context, 'show')
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params = parse.parse_qs(req.environ.get('QUERY_STRING', ''))
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user_id = params.get('user_id', [None])[0]
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try:
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db.authorize_project_context(context, id)
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return self._view_builder.detail_list(
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self._get_quotas(context, id, user_id=user_id), id)
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except exception.NotAuthorized:
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raise webob.exc.HTTPForbidden()
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def defaults(self, req, id):
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context = req.environ['manila.context']
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self.authorize(context, 'show')
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return self._view_builder.detail_list(QUOTAS.get_defaults(context), id)
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def update(self, req, id, body):
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context = req.environ['manila.context']
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self.authorize(context, 'update')
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project_id = id
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bad_keys = []
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force_update = False
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params = parse.parse_qs(req.environ.get('QUERY_STRING', ''))
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user_id = params.get('user_id', [None])[0]
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try:
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settable_quotas = QUOTAS.get_settable_quotas(context, project_id,
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user_id=user_id)
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except exception.NotAuthorized:
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raise webob.exc.HTTPForbidden()
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for key, value in body.get('quota_set', {}).items():
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if (key not in QUOTAS and
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key not in NON_QUOTA_KEYS):
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bad_keys.append(key)
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continue
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if key == 'force':
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force_update = strutils.bool_from_string(value)
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elif key not in NON_QUOTA_KEYS and value:
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try:
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value = int(value)
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except (ValueError, TypeError):
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msg = _("Quota '%(value)s' for %(key)s should be "
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"integer.") % {'value': value, 'key': key}
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LOG.warn(msg)
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raise webob.exc.HTTPBadRequest(explanation=msg)
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LOG.debug("Force update quotas: %s.", force_update)
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if len(bad_keys) > 0:
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msg = _("Bad key(s) %s in quota_set.") % ",".join(bad_keys)
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raise webob.exc.HTTPBadRequest(explanation=msg)
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try:
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quotas = self._get_quotas(context, id, user_id=user_id,
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usages=True)
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except exception.NotAuthorized:
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raise webob.exc.HTTPForbidden()
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for key, value in body.get('quota_set', {}).items():
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if key in NON_QUOTA_KEYS or (not value and value != 0):
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continue
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# validate whether already used and reserved exceeds the new
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# quota, this check will be ignored if admin want to force
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# update
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try:
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value = int(value)
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except (ValueError, TypeError):
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msg = _("Quota '%(value)s' for %(key)s should be "
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"integer.") % {'value': value, 'key': key}
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LOG.warn(msg)
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raise webob.exc.HTTPBadRequest(explanation=msg)
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if force_update is False and value >= 0:
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quota_value = quotas.get(key)
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if quota_value and quota_value['limit'] >= 0:
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quota_used = (quota_value['in_use'] +
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quota_value['reserved'])
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LOG.debug("Quota %(key)s used: %(quota_used)s, "
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"value: %(value)s.",
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{'key': key, 'quota_used': quota_used,
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'value': value})
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if quota_used > value:
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msg = (_("Quota value %(value)s for %(key)s are "
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"greater than already used and reserved "
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"%(quota_used)s.") %
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{'value': value, 'key': key,
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'quota_used': quota_used})
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raise webob.exc.HTTPBadRequest(explanation=msg)
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minimum = settable_quotas[key]['minimum']
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maximum = settable_quotas[key]['maximum']
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self._validate_quota_limit(value, minimum, maximum, force_update)
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try:
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db.quota_create(context, project_id, key, value,
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user_id=user_id)
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except exception.QuotaExists:
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db.quota_update(context, project_id, key, value,
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user_id=user_id)
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except exception.AdminRequired:
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raise webob.exc.HTTPForbidden()
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return self._view_builder.detail_list(
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self._get_quotas(context, id, user_id=user_id))
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def delete(self, req, id):
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context = req.environ['manila.context']
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self.authorize(context, 'update')
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params = parse.parse_qs(req.environ.get('QUERY_STRING', ''))
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user_id = params.get('user_id', [None])[0]
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try:
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db.authorize_project_context(context, id)
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if user_id:
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QUOTAS.destroy_all_by_project_and_user(context, id, user_id)
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else:
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QUOTAS.destroy_all_by_project(context, id)
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return webob.Response(status_int=202)
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except exception.NotAuthorized:
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raise webob.exc.HTTPForbidden()
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def create_resource():
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return wsgi.Resource(QuotaSetsController())
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