302 lines
11 KiB
Python
302 lines
11 KiB
Python
# Copyright 2021 Red Hat, Inc.
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# All Rights Reserved.
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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 unittest import mock
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import ddt
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from cinder.api.contrib import extended_snapshot_attributes as snapshot_attr
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from cinder.api import microversions as mv
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from cinder.api.v3 import snapshots
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from cinder import exception
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from cinder.policies import snapshots as policy
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from cinder.tests.unit.api import fakes as fake_api
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from cinder.tests.unit.policies import base
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from cinder.tests.unit import utils as test_utils
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@ddt.ddt
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class SnapshotsPolicyTest(base.BasePolicyTest):
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authorized_readers = [
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'legacy_admin',
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'legacy_owner',
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'system_admin',
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'project_admin',
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'project_member',
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'project_reader',
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'project_foo',
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]
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unauthorized_readers = [
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'system_member',
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'system_reader',
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'system_foo',
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'other_project_member',
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'other_project_reader',
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]
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authorized_members = [
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'legacy_admin',
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'legacy_owner',
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'system_admin',
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'project_admin',
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'project_member',
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'project_reader',
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'project_foo',
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]
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unauthorized_members = [
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'system_member',
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'system_reader',
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'system_foo',
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'other_project_member',
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'other_project_reader',
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]
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authorized_admins = [
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'legacy_admin',
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'system_admin',
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'project_admin',
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]
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unauthorized_admins = [
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'legacy_owner',
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'system_member',
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'system_reader',
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'system_foo',
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'project_member',
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'project_reader',
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'project_foo',
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'other_project_member',
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'other_project_reader',
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]
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# DB validations will throw SnapshotNotFound for some contexts
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unauthorized_exceptions = [
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exception.SnapshotNotFound,
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]
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# Basic policy test is without enforcing scope (which cinder doesn't
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# yet support) and deprecated rules enabled.
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def setUp(self, enforce_scope=False, enforce_new_defaults=False,
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*args, **kwargs):
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super().setUp(enforce_scope, enforce_new_defaults, *args, **kwargs)
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self.controller = snapshots.SnapshotsController()
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self.api_path = '/v3/%s/snapshots' % (self.project_id)
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self.api_version = mv.BASE_VERSION
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self.vol_type = test_utils.create_volume_type(
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self.project_admin_context,
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name='fake_vol_type', testcase_instance=self)
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def _create_volume(self, **kwargs):
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volume = test_utils.create_volume(self.project_member_context,
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volume_type_id=self.vol_type.id,
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testcase_instance=self, **kwargs)
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return volume
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def _create_snapshot(self, **kwargs):
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volume = self._create_volume(**kwargs)
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snapshot = test_utils.create_snapshot(self.project_member_context,
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volume_id=volume.id,
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testcase_instance=self, **kwargs)
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return snapshot
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@ddt.data(*base.all_users)
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def test_get_all_policy(self, user_id):
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self._create_snapshot()
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rule_name = policy.GET_ALL_POLICY
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url = self.api_path
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req = fake_api.HTTPRequest.blank(url, version=self.api_version)
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# Generally, any logged in user can list all volumes.
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authorized_readers = [user_id]
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unauthorized_readers = []
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# The exception is when deprecated rules are disabled, in which case
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# roles are enforced. Users without the 'reader' role should be
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# blocked.
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if self.enforce_new_defaults:
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context = self.create_context(user_id)
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if 'reader' not in context.roles:
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authorized_readers = []
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unauthorized_readers = [user_id]
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response = self.common_policy_check(user_id, authorized_readers,
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unauthorized_readers,
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self.unauthorized_exceptions,
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rule_name, self.controller.index,
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req)
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# For some users, even if they're authorized, the list of snapshots
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# will be empty if they are not in the snapshots's project.
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empty_response_users = [
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*self.unauthorized_readers,
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# legacy_admin and system_admin do not have a project_id, and
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# so the list of snapshots returned will be empty.
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'legacy_admin',
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'system_admin',
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]
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snapshots = response['snapshots'] if response else []
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snapshot_count = 0 if user_id in empty_response_users else 1
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self.assertEqual(snapshot_count, len(snapshots))
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@ddt.data(*base.all_users)
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def test_get_policy(self, user_id):
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snapshot = self._create_snapshot()
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rule_name = policy.GET_POLICY
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url = '%s/%s' % (self.api_path, snapshot.id)
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req = fake_api.HTTPRequest.blank(url, version=self.api_version)
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self.common_policy_check(user_id, self.authorized_readers,
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self.unauthorized_readers,
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self.unauthorized_exceptions,
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rule_name, self.controller.show, req,
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id=snapshot.id)
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@ddt.data(*base.all_users)
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def test_extend_attribute_policy(self, user_id):
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snapshot = self._create_snapshot()
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rule_name = policy.EXTEND_ATTRIBUTE
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url = '%s/%s' % (self.api_path, snapshot.id)
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req = fake_api.HTTPRequest.blank(url, version=self.api_version)
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snapshot_dict = snapshot.obj_to_primitive()['versioned_object.data']
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req.get_db_snapshot = mock.MagicMock()
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req.get_db_snapshot.return_value = snapshot_dict
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resp_obj = mock.MagicMock(obj={'snapshot': snapshot_dict})
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self.assertNotIn('os-extended-snapshot-attributes:project_id',
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snapshot_dict.keys())
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controller = snapshot_attr.ExtendedSnapshotAttributesController()
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self.common_policy_check(user_id, self.authorized_readers,
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self.unauthorized_readers,
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self.unauthorized_exceptions,
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rule_name, controller.show, req,
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resp_obj=resp_obj,
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id=snapshot.id, fatal=False)
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if user_id in self.authorized_readers:
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self.assertIn('os-extended-snapshot-attributes:project_id',
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snapshot_dict.keys())
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@ddt.data(*base.all_users)
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def test_create_policy(self, user_id):
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volume = self._create_volume()
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rule_name = policy.CREATE_POLICY
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url = self.api_path
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req = fake_api.HTTPRequest.blank(url, version=self.api_version)
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req.method = 'POST'
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body = {
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"snapshot": {
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"name": "snap-001",
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"volume_id": volume.id,
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}
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}
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unauthorized_exceptions = [
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exception.VolumeNotFound,
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]
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self.common_policy_check(user_id, self.authorized_members,
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self.unauthorized_members,
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unauthorized_exceptions,
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rule_name, self.controller.create, req,
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body=body)
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@ddt.data(*base.all_users)
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def test_update_policy(self, user_id):
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snapshot = self._create_snapshot()
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rule_name = policy.UPDATE_POLICY
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url = '%s/%s' % (self.api_path, snapshot.id)
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req = fake_api.HTTPRequest.blank(url, version=self.api_version)
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req.method = 'PUT'
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body = {
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"snapshot": {
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"description": "This is yet another snapshot."
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}
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}
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# Relax the GET_POLICY in order to get past that check.
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self.policy.set_rules({policy.GET_POLICY: ""},
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overwrite=False)
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self.common_policy_check(user_id, self.authorized_members,
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self.unauthorized_members,
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self.unauthorized_exceptions,
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rule_name, self.controller.update, req,
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id=snapshot.id, body=body)
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@ddt.data(*base.all_users)
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def test_delete_policy(self, user_id):
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snapshot = self._create_snapshot(status='available')
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rule_name = policy.DELETE_POLICY
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url = '%s/%s' % (self.api_path, snapshot.id)
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req = fake_api.HTTPRequest.blank(url, version=self.api_version)
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req.method = 'DELETE'
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# Relax the GET_POLICY in order to get past that check.
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self.policy.set_rules({policy.GET_POLICY: ""},
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overwrite=False)
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self.common_policy_check(user_id, self.authorized_members,
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self.unauthorized_members,
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self.unauthorized_exceptions,
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rule_name, self.controller.delete, req,
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id=snapshot.id)
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class SnapshotsPolicySecureRbacTest(SnapshotsPolicyTest):
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authorized_readers = [
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'legacy_admin',
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'system_admin',
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'project_admin',
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'project_member',
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'project_reader',
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]
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unauthorized_readers = [
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'legacy_owner',
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'system_member',
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'system_reader',
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'system_foo',
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'project_foo',
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'other_project_member',
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'other_project_reader',
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]
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authorized_members = [
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'legacy_admin',
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'system_admin',
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'project_admin',
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'project_member',
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]
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unauthorized_members = [
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'legacy_owner',
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'system_member',
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'system_reader',
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'system_foo',
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'project_reader',
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'project_foo',
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'other_project_member',
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'other_project_reader',
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]
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def setUp(self, *args, **kwargs):
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# Test secure RBAC by disabling deprecated policy rules (scope
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# is still not enabled).
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super().setUp(enforce_scope=False, enforce_new_defaults=True,
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*args, **kwargs)
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