manila/manila/api/v2/quota_sets.py

251 lines
9.4 KiB
Python

# Copyright 2011 OpenStack LLC.
# Copyright (c) 2015 Mirantis inc.
# All Rights Reserved.
#
# 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.
from oslo_log import log
from oslo_utils import strutils
from six.moves.urllib import parse
import webob
from manila.api.openstack import wsgi
from manila.api.views import quota_sets as quota_sets_views
from manila import db
from manila import exception
from manila.i18n import _
from manila import quota
QUOTAS = quota.QUOTAS
LOG = log.getLogger(__name__)
NON_QUOTA_KEYS = ('tenant_id', 'id', 'force')
class QuotaSetsMixin(object):
"""The Quota Sets API controller common logic.
Mixin class that should be inherited by Quota Sets API controllers,
which are used for different API URLs and microversions.
"""
resource_name = "quota_set"
_view_builder_class = quota_sets_views.ViewBuilder
def _validate_quota_limit(self, limit, minimum, maximum, force_update):
# NOTE: -1 is a flag value for unlimited
if limit < -1:
msg = _("Quota limit must be -1 or greater.")
raise webob.exc.HTTPBadRequest(explanation=msg)
if ((limit < minimum and not force_update) and
(maximum != -1 or (maximum == -1 and limit != -1))):
msg = _("Quota limit must be greater than %s.") % minimum
raise webob.exc.HTTPBadRequest(explanation=msg)
if maximum != -1 and limit > maximum:
msg = _("Quota limit must be less than %s.") % maximum
raise webob.exc.HTTPBadRequest(explanation=msg)
def _get_quotas(self, context, id, user_id=None, usages=False):
if user_id:
values = QUOTAS.get_user_quotas(context, id, user_id,
usages=usages)
else:
values = QUOTAS.get_project_quotas(context, id, usages=usages)
if usages:
return values
return {k: v['limit'] for k, v in values.items()}
@wsgi.Controller.authorize("show")
def _show(self, req, id, detail=False):
context = req.environ['manila.context']
params = parse.parse_qs(req.environ.get('QUERY_STRING', ''))
user_id = params.get('user_id', [None])[0]
try:
db.authorize_project_context(context, id)
# _get_quotas use 'usages' to indicate whether retrieve additional
# attributes, so pass detail to the argument.
return self._view_builder.detail_list(
self._get_quotas(context, id, user_id=user_id,
usages=detail), id)
except exception.NotAuthorized:
raise webob.exc.HTTPForbidden()
@wsgi.Controller.authorize('show')
def _defaults(self, req, id):
context = req.environ['manila.context']
return self._view_builder.detail_list(QUOTAS.get_defaults(context), id)
@wsgi.Controller.authorize("update")
def _update(self, req, id, body):
context = req.environ['manila.context']
project_id = id
bad_keys = []
force_update = False
params = parse.parse_qs(req.environ.get('QUERY_STRING', ''))
user_id = params.get('user_id', [None])[0]
try:
settable_quotas = QUOTAS.get_settable_quotas(context, project_id,
user_id=user_id)
except exception.NotAuthorized:
raise webob.exc.HTTPForbidden()
for key, value in body.get('quota_set', {}).items():
if (key not in QUOTAS and
key not in NON_QUOTA_KEYS):
bad_keys.append(key)
continue
if key == 'force':
force_update = strutils.bool_from_string(value)
elif key not in NON_QUOTA_KEYS and value:
try:
value = int(value)
except (ValueError, TypeError):
msg = _("Quota '%(value)s' for %(key)s should be "
"integer.") % {'value': value, 'key': key}
LOG.warning(msg)
raise webob.exc.HTTPBadRequest(explanation=msg)
LOG.debug("Force update quotas: %s.", force_update)
if len(bad_keys) > 0:
msg = _("Bad key(s) %s in quota_set.") % ",".join(bad_keys)
raise webob.exc.HTTPBadRequest(explanation=msg)
try:
quotas = self._get_quotas(context, id, user_id=user_id,
usages=True)
except exception.NotAuthorized:
raise webob.exc.HTTPForbidden()
for key, value in body.get('quota_set', {}).items():
if key in NON_QUOTA_KEYS or (not value and value != 0):
continue
# validate whether already used and reserved exceeds the new
# quota, this check will be ignored if admin want to force
# update
try:
value = int(value)
except (ValueError, TypeError):
msg = _("Quota '%(value)s' for %(key)s should be "
"integer.") % {'value': value, 'key': key}
LOG.warning(msg)
raise webob.exc.HTTPBadRequest(explanation=msg)
if force_update is False and value >= 0:
quota_value = quotas.get(key)
if quota_value and quota_value['limit'] >= 0:
quota_used = (quota_value['in_use'] +
quota_value['reserved'])
LOG.debug("Quota %(key)s used: %(quota_used)s, "
"value: %(value)s.",
{'key': key, 'quota_used': quota_used,
'value': value})
if quota_used > value:
msg = (_("Quota value %(value)s for %(key)s are "
"greater than already used and reserved "
"%(quota_used)s.") %
{'value': value, 'key': key,
'quota_used': quota_used})
raise webob.exc.HTTPBadRequest(explanation=msg)
minimum = settable_quotas[key]['minimum']
maximum = settable_quotas[key]['maximum']
self._validate_quota_limit(value, minimum, maximum, force_update)
try:
db.quota_create(context, project_id, key, value,
user_id=user_id)
except exception.QuotaExists:
db.quota_update(context, project_id, key, value,
user_id=user_id)
except exception.AdminRequired:
raise webob.exc.HTTPForbidden()
return self._view_builder.detail_list(
self._get_quotas(context, id, user_id=user_id))
@wsgi.Controller.authorize("delete")
def _delete(self, req, id):
context = req.environ['manila.context']
params = parse.parse_qs(req.environ.get('QUERY_STRING', ''))
user_id = params.get('user_id', [None])[0]
try:
db.authorize_project_context(context, id)
if user_id:
QUOTAS.destroy_all_by_project_and_user(context, id, user_id)
else:
QUOTAS.destroy_all_by_project(context, id)
return webob.Response(status_int=202)
except exception.NotAuthorized:
raise webob.exc.HTTPForbidden()
class QuotaSetsControllerLegacy(QuotaSetsMixin, wsgi.Controller):
"""Deprecated Quota Sets API controller.
Used by legacy API v1 and v2 microversions from 2.0 to 2.6.
Registered under deprecated API URL 'os-quota-sets'.
"""
@wsgi.Controller.api_version('1.0', '2.6')
def show(self, req, id):
return self._show(req, id)
@wsgi.Controller.api_version('1.0', '2.6')
def defaults(self, req, id):
return self._defaults(req, id)
@wsgi.Controller.api_version('1.0', '2.6')
def update(self, req, id, body):
return self._update(req, id, body)
@wsgi.Controller.api_version('1.0', '2.6')
def delete(self, req, id):
return self._delete(req, id)
class QuotaSetsController(QuotaSetsMixin, wsgi.Controller):
"""Quota Sets API controller.
Used only by API v2 starting from microversion 2.7.
Registered under API URL 'quota-sets'.
"""
@wsgi.Controller.api_version('2.7')
def show(self, req, id):
return self._show(req, id)
@wsgi.Controller.api_version('2.25')
def detail(self, req, id):
return self._show(req, id, True)
@wsgi.Controller.api_version('2.7')
def defaults(self, req, id):
return self._defaults(req, id)
@wsgi.Controller.api_version('2.7')
def update(self, req, id, body):
return self._update(req, id, body)
@wsgi.Controller.api_version('2.7')
def delete(self, req, id):
return self._delete(req, id)
def create_resource_legacy():
return wsgi.Resource(QuotaSetsControllerLegacy())
def create_resource():
return wsgi.Resource(QuotaSetsController())