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# 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 unittest import mock
import fixtures
from oslo_utils.fixture import uuidsentinel as uuids
from nova.api.openstack.compute import suspend_server
from nova.compute import vm_states
from nova import exception
from nova.policies import suspend_server as policies
from nova.tests.unit.api.openstack import fakes
from nova.tests.unit import fake_instance
from nova.tests.unit.policies import base
class SuspendServerPolicyTest(base.BasePolicyTest):
"""Test Suspend Server APIs policies with all possible context.
This class defines the set of context with different roles
which are allowed and not allowed to pass the policy checks.
With those set of context, it will call the API operation and
verify the expected behaviour.
"""
def setUp(self):
super(SuspendServerPolicyTest, self).setUp()
self.controller = suspend_server.SuspendServerController()
self.req = fakes.HTTPRequest.blank('')
user_id = self.req.environ['nova.context'].user_id
self.mock_get = self.useFixture(
fixtures.MockPatch('nova.api.openstack.common.get_instance')).mock
self.instance = fake_instance.fake_instance_obj(
self.project_member_context,
id=1, uuid=uuids.fake_id, project_id=self.project_id,
user_id=user_id, vm_state=vm_states.ACTIVE)
self.mock_get.return_value = self.instance
# With legacy rule and no scope checks, all admin, project members
# project reader or other project role(because legacy rule allow server
# owner- having same project id and no role check) is able to suspend
# resume the server.
self.project_action_authorized_contexts = [
self.legacy_admin_context, self.system_admin_context,
self.project_admin_context, self.project_member_context,
self.project_reader_context, self.project_foo_context]
@mock.patch('nova.compute.api.API.suspend')
def test_suspend_server_policy(self, mock_suspend):
rule_name = policies.POLICY_ROOT % 'suspend'
self.common_policy_auth(self.project_action_authorized_contexts,
rule_name,
self.controller._suspend,
self.req, self.instance.uuid,
body={'suspend': {}})
@mock.patch('nova.compute.api.API.resume')
def test_resume_server_policy(self, mock_resume):
rule_name = policies.POLICY_ROOT % 'resume'
self.common_policy_auth(self.project_action_authorized_contexts,
rule_name,
self.controller._resume,
self.req, self.instance.uuid,
body={'resume': {}})
def test_suspend_server_policy_failed_with_other_user(self):
# Change the user_id in request context.
req = fakes.HTTPRequest.blank('')
req.environ['nova.context'].user_id = 'other-user'
rule_name = policies.POLICY_ROOT % 'suspend'
self.policy.set_rules({rule_name: "user_id:%(user_id)s"})
exc = self.assertRaises(
exception.PolicyNotAuthorized, self.controller._suspend,
req, self.instance.uuid, body={'suspend': {}})
self.assertEqual(
"Policy doesn't allow %s to be performed." % rule_name,
exc.format_message())
@mock.patch('nova.compute.api.API.suspend')
def test_suspend_server_overridden_policy_pass_with_same_user(
self, mock_suspend):
rule_name = policies.POLICY_ROOT % 'suspend'
self.policy.set_rules({rule_name: "user_id:%(user_id)s"})
self.controller._suspend(self.req,
self.instance.uuid,
body={'suspend': {}})
class SuspendServerNoLegacyNoScopePolicyTest(SuspendServerPolicyTest):
"""Test suspend server APIs policies with no legacy deprecated rules
and no scope checks which means new defaults only.
"""
without_deprecated_rules = True
def setUp(self):
super(SuspendServerNoLegacyNoScopePolicyTest, self).setUp()
# With no legacy rule, only project admin or member will be
# able to suspend/resume the server.
self.project_action_authorized_contexts = (
self.project_member_or_admin_with_no_scope_no_legacy)
class SuspendServerScopeTypePolicyTest(SuspendServerPolicyTest):
"""Test Suspend Server APIs policies with system scope enabled.
This class set the nova.conf [oslo_policy] enforce_scope to True
so that we can switch on the scope checking on oslo policy side.
It defines the set of context with scoped token
which are allowed and not allowed to pass the policy checks.
With those set of context, it will run the API operation and
verify the expected behaviour.
"""
def setUp(self):
super(SuspendServerScopeTypePolicyTest, self).setUp()
self.flags(enforce_scope=True, group="oslo_policy")
# Scope enable will not allow system admin to suspend/resume server.
self.project_action_authorized_contexts = (
self.project_m_r_or_admin_with_scope_and_legacy)
class SuspendServerScopeTypeNoLegacyTest(SuspendServerScopeTypePolicyTest):
"""Test suspend/resume server APIs policies with system scope enabled,
and no more deprecated rules which means scope + new defaults so
only project admin and member is able to suspend/resume server.
"""
without_deprecated_rules = True
def setUp(self):
super(SuspendServerScopeTypeNoLegacyTest, self).setUp()
# With scope enable and no legacy rule only project admin/member
# will be able to suspend/resume the server.
self.project_action_authorized_contexts = (
self.project_member_or_admin_with_scope_no_legacy)
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