-
Notifications
You must be signed in to change notification settings - Fork 2.5k
/
quota_sets.py
246 lines (208 loc) · 9.92 KB
/
quota_sets.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
# Copyright 2011 OpenStack Foundation
# 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_utils import strutils
import six
import six.moves.urllib.parse as urlparse
import webob
from nova.api.openstack.api_version_request \
import MAX_PROXY_API_SUPPORT_VERSION
from nova.api.openstack.api_version_request \
import MIN_WITHOUT_PROXY_API_SUPPORT_VERSION
from nova.api.openstack.compute.schemas import quota_sets
from nova.api.openstack import extensions
from nova.api.openstack import wsgi
from nova.api import validation
import nova.conf
from nova import exception
from nova.i18n import _
from nova import objects
from nova.policies import quota_sets as qs_policies
from nova import quota
CONF = nova.conf.CONF
ALIAS = "os-quota-sets"
QUOTAS = quota.QUOTAS
FILTERED_QUOTAS = ["fixed_ips", "floating_ips", "networks",
"security_group_rules", "security_groups"]
class QuotaSetsController(wsgi.Controller):
def _format_quota_set(self, project_id, quota_set, filtered_quotas):
"""Convert the quota object to a result dict."""
if project_id:
result = dict(id=str(project_id))
else:
result = {}
for resource in QUOTAS.resources:
if (resource not in filtered_quotas and
resource in quota_set):
result[resource] = quota_set[resource]
return dict(quota_set=result)
def _validate_quota_limit(self, resource, limit, minimum, maximum):
def conv_inf(value):
return float("inf") if value == -1 else value
if conv_inf(limit) < conv_inf(minimum):
msg = (_("Quota limit %(limit)s for %(resource)s must "
"be greater than or equal to already used and "
"reserved %(minimum)s.") %
{'limit': limit, 'resource': resource, 'minimum': minimum})
raise webob.exc.HTTPBadRequest(explanation=msg)
if conv_inf(limit) > conv_inf(maximum):
msg = (_("Quota limit %(limit)s for %(resource)s must be "
"less than or equal to %(maximum)s.") %
{'limit': limit, 'resource': resource, 'maximum': 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
else:
return {k: v['limit'] for k, v in values.items()}
@wsgi.Controller.api_version("2.1", MAX_PROXY_API_SUPPORT_VERSION)
@extensions.expected_errors(())
def show(self, req, id):
return self._show(req, id, [])
@wsgi.Controller.api_version(MIN_WITHOUT_PROXY_API_SUPPORT_VERSION) # noqa
def show(self, req, id):
return self._show(req, id, FILTERED_QUOTAS)
def _show(self, req, id, filtered_quotas):
context = req.environ['nova.context']
context.can(qs_policies.POLICY_ROOT % 'show', {'project_id': id})
params = urlparse.parse_qs(req.environ.get('QUERY_STRING', ''))
user_id = params.get('user_id', [None])[0]
return self._format_quota_set(id,
self._get_quotas(context, id, user_id=user_id),
filtered_quotas=filtered_quotas)
@wsgi.Controller.api_version("2.1", MAX_PROXY_API_SUPPORT_VERSION)
@extensions.expected_errors(())
def detail(self, req, id):
return self._detail(req, id, [])
@wsgi.Controller.api_version(MIN_WITHOUT_PROXY_API_SUPPORT_VERSION) # noqa
@extensions.expected_errors(())
def detail(self, req, id):
return self._detail(req, id, FILTERED_QUOTAS)
def _detail(self, req, id, filtered_quotas):
context = req.environ['nova.context']
context.can(qs_policies.POLICY_ROOT % 'detail', {'project_id': id})
user_id = req.GET.get('user_id', None)
return self._format_quota_set(
id,
self._get_quotas(context, id, user_id=user_id, usages=True),
filtered_quotas=filtered_quotas)
@wsgi.Controller.api_version("2.1", MAX_PROXY_API_SUPPORT_VERSION)
@extensions.expected_errors(400)
@validation.schema(quota_sets.update)
def update(self, req, id, body):
return self._update(req, id, body, [])
@wsgi.Controller.api_version(MIN_WITHOUT_PROXY_API_SUPPORT_VERSION) # noqa
@extensions.expected_errors(400)
@validation.schema(quota_sets.update_v236)
def update(self, req, id, body):
return self._update(req, id, body, FILTERED_QUOTAS)
def _update(self, req, id, body, filtered_quotas):
context = req.environ['nova.context']
context.can(qs_policies.POLICY_ROOT % 'update', {'project_id': id})
project_id = id
params = urlparse.parse_qs(req.environ.get('QUERY_STRING', ''))
user_id = params.get('user_id', [None])[0]
quota_set = body['quota_set']
# NOTE(alex_xu): The CONF.enable_network_quota was deprecated
# due to it is only used by nova-network, and nova-network will be
# deprecated also. So when CONF.enable_newtork_quota is removed,
# the networks quota will disappeare also.
if not CONF.enable_network_quota and 'networks' in quota_set:
raise webob.exc.HTTPBadRequest(
explanation=_('The networks quota is disabled'))
force_update = strutils.bool_from_string(quota_set.get('force',
'False'))
settable_quotas = QUOTAS.get_settable_quotas(context, project_id,
user_id=user_id)
# NOTE(dims): Pass #1 - In this loop for quota_set.items(), we validate
# min/max values and bail out if any of the items in the set is bad.
valid_quotas = {}
for key, value in six.iteritems(body['quota_set']):
if key == 'force' 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
value = int(value)
if not force_update:
minimum = settable_quotas[key]['minimum']
maximum = settable_quotas[key]['maximum']
self._validate_quota_limit(key, value, minimum, maximum)
valid_quotas[key] = value
# NOTE(dims): Pass #2 - At this point we know that all the
# values are correct and we can iterate and update them all in one
# shot without having to worry about rolling back etc as we have done
# the validation up front in the loop above.
for key, value in valid_quotas.items():
try:
objects.Quotas.create_limit(context, project_id,
key, value, user_id=user_id)
except exception.QuotaExists:
objects.Quotas.update_limit(context, project_id,
key, value, user_id=user_id)
# Note(gmann): Removed 'id' from update's response to make it same
# as V2. If needed it can be added with microversion.
return self._format_quota_set(
None,
self._get_quotas(context, id, user_id=user_id),
filtered_quotas=filtered_quotas)
@wsgi.Controller.api_version("2.0", MAX_PROXY_API_SUPPORT_VERSION)
@extensions.expected_errors(())
def defaults(self, req, id):
return self._defaults(req, id, [])
@wsgi.Controller.api_version(MIN_WITHOUT_PROXY_API_SUPPORT_VERSION) # noqa
@extensions.expected_errors(())
def defaults(self, req, id):
return self._defaults(req, id, FILTERED_QUOTAS)
def _defaults(self, req, id, filtered_quotas):
context = req.environ['nova.context']
context.can(qs_policies.POLICY_ROOT % 'defaults', {'project_id': id})
values = QUOTAS.get_defaults(context)
return self._format_quota_set(id, values,
filtered_quotas=filtered_quotas)
# TODO(oomichi): Here should be 204(No Content) instead of 202 by v2.1
# +microversions because the resource quota-set has been deleted completely
# when returning a response.
@extensions.expected_errors(())
@wsgi.response(202)
def delete(self, req, id):
context = req.environ['nova.context']
context.can(qs_policies.POLICY_ROOT % 'delete', {'project_id': id})
params = urlparse.parse_qs(req.environ.get('QUERY_STRING', ''))
user_id = params.get('user_id', [None])[0]
if user_id:
QUOTAS.destroy_all_by_project_and_user(context,
id, user_id)
else:
QUOTAS.destroy_all_by_project(context, id)
class QuotaSets(extensions.V21APIExtensionBase):
"""Quotas management support."""
name = "Quotas"
alias = ALIAS
version = 1
def get_resources(self):
resources = []
res = extensions.ResourceExtension(ALIAS,
QuotaSetsController(),
member_actions={'defaults': 'GET',
'detail': 'GET'})
resources.append(res)
return resources
def get_controller_extensions(self):
return []