/usr/lib/python2.7/dist-packages/magnum/tests/unit/service/test_periodic.py is in python-magnum 3.1.1-5.
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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 heatclient import exc as heat_exc
import mock
from magnum.common import context
from magnum.common.rpc_service import CONF
from magnum.db.sqlalchemy import api as dbapi
from magnum import objects
from magnum.objects.fields import ClusterStatus as cluster_status
from magnum.service import periodic
from magnum.tests import base
from magnum.tests.unit.db import utils
class fake_stack(object):
def __init__(self, **kw):
for key, val in kw.items():
setattr(self, key, val)
class PeriodicTestCase(base.TestCase):
def setUp(self):
super(PeriodicTestCase, self).setUp()
ctx = context.make_admin_context()
# Can be identical for all clusters.
trust_attrs = {
'trustee_username': '5d12f6fd-a196-4bf0-ae4c-1f639a523a52',
'trustee_password': 'ain7einaebooVaig6d',
'trust_id': '39d920ca-67c6-4047-b57a-01e9e16bb96f',
}
trust_attrs.update({'id': 1, 'stack_id': '11',
'status': cluster_status.CREATE_IN_PROGRESS})
cluster1 = utils.get_test_cluster(**trust_attrs)
trust_attrs.update({'id': 2, 'stack_id': '22',
'status': cluster_status.DELETE_IN_PROGRESS})
cluster2 = utils.get_test_cluster(**trust_attrs)
trust_attrs.update({'id': 3, 'stack_id': '33',
'status': cluster_status.UPDATE_IN_PROGRESS})
cluster3 = utils.get_test_cluster(**trust_attrs)
trust_attrs.update({'id': 4, 'stack_id': '44',
'status': cluster_status.CREATE_COMPLETE})
cluster4 = utils.get_test_cluster(**trust_attrs)
trust_attrs.update({'id': 5, 'stack_id': '55',
'status': cluster_status.ROLLBACK_IN_PROGRESS})
cluster5 = utils.get_test_cluster(**trust_attrs)
self.cluster1 = objects.Cluster(ctx, **cluster1)
self.cluster2 = objects.Cluster(ctx, **cluster2)
self.cluster3 = objects.Cluster(ctx, **cluster3)
self.cluster4 = objects.Cluster(ctx, **cluster4)
self.cluster5 = objects.Cluster(ctx, **cluster5)
@mock.patch.object(objects.Cluster, 'list')
@mock.patch('magnum.common.clients.OpenStackClients')
@mock.patch.object(dbapi.Connection, 'destroy_cluster')
@mock.patch.object(dbapi.Connection, 'update_cluster')
def test_sync_cluster_status_changes(self, mock_db_update, mock_db_destroy,
mock_oscc, mock_cluster_list):
mock_heat_client = mock.MagicMock()
stack1 = fake_stack(
id='11', stack_status=cluster_status.CREATE_COMPLETE,
stack_status_reason='fake_reason_11')
stack3 = fake_stack(
id='33', stack_status=cluster_status.UPDATE_COMPLETE,
stack_status_reason='fake_reason_33')
stack5 = fake_stack(
id='55', stack_status=cluster_status.ROLLBACK_COMPLETE,
stack_status_reason='fake_reason_55')
mock_heat_client.stacks.list.return_value = [stack1, stack3, stack5]
get_stacks = {'11': stack1, '33': stack3, '55': stack5}
def stack_get_sideefect(arg):
if arg == '22':
raise heat_exc.HTTPNotFound
return get_stacks[arg]
mock_heat_client.stacks.get.side_effect = stack_get_sideefect
mock_osc = mock_oscc.return_value
mock_osc.heat.return_value = mock_heat_client
mock_cluster_list.return_value = [self.cluster1, self.cluster2,
self.cluster3, self.cluster5]
mock_keystone_client = mock.MagicMock()
mock_keystone_client.client.project_id = "fake_project"
mock_osc.keystone.return_value = mock_keystone_client
periodic.MagnumPeriodicTasks(CONF).sync_cluster_status(None)
self.assertEqual(cluster_status.CREATE_COMPLETE, self.cluster1.status)
self.assertEqual('fake_reason_11', self.cluster1.status_reason)
mock_db_destroy.assert_called_once_with(self.cluster2.uuid)
self.assertEqual(cluster_status.UPDATE_COMPLETE, self.cluster3.status)
self.assertEqual('fake_reason_33', self.cluster3.status_reason)
self.assertEqual(cluster_status.ROLLBACK_COMPLETE,
self.cluster5.status)
self.assertEqual('fake_reason_55', self.cluster5.status_reason)
@mock.patch.object(objects.Cluster, 'list')
@mock.patch('magnum.common.clients.OpenStackClients')
def test_sync_auth_fail(self, mock_oscc, mock_cluster_list):
"""Tests handling for unexpected exceptions in _get_cluster_stacks()
It does this by raising an a HTTPUnauthorized exception in Heat client.
The affected stack thus missing from the stack list should not lead to
cluster state changing in this case. Likewise, subsequent clusters
should still change state, despite the affected cluster being skipped.
"""
stack1 = fake_stack(id='11',
stack_status=cluster_status.CREATE_COMPLETE)
mock_heat_client = mock.MagicMock()
def stack_get_sideefect(arg):
raise heat_exc.HTTPUnauthorized
mock_heat_client.stacks.get.side_effect = stack_get_sideefect
mock_heat_client.stacks.list.return_value = [stack1]
mock_osc = mock_oscc.return_value
mock_osc.heat.return_value = mock_heat_client
mock_cluster_list.return_value = [self.cluster1]
periodic.MagnumPeriodicTasks(CONF).sync_cluster_status(None)
self.assertEqual(cluster_status.CREATE_IN_PROGRESS,
self.cluster1.status)
@mock.patch.object(objects.Cluster, 'list')
@mock.patch('magnum.common.clients.OpenStackClients')
def test_sync_cluster_status_not_changes(self, mock_oscc,
mock_cluster_list):
mock_heat_client = mock.MagicMock()
stack1 = fake_stack(id='11',
stack_status=cluster_status.CREATE_IN_PROGRESS)
stack2 = fake_stack(id='22',
stack_status=cluster_status.DELETE_IN_PROGRESS)
stack3 = fake_stack(id='33',
stack_status=cluster_status.UPDATE_IN_PROGRESS)
stack5 = fake_stack(id='55',
stack_status=cluster_status.ROLLBACK_IN_PROGRESS)
get_stacks = {'11': stack1, '22': stack2, '33': stack3, '55': stack5}
def stack_get_sideefect(arg):
if arg == '22':
raise heat_exc.HTTPNotFound
return get_stacks[arg]
mock_heat_client.stacks.get.side_effect = stack_get_sideefect
mock_heat_client.stacks.list.return_value = [stack1, stack2, stack3,
stack5]
mock_osc = mock_oscc.return_value
mock_osc.heat.return_value = mock_heat_client
mock_cluster_list.return_value = [self.cluster1, self.cluster2,
self.cluster3, self.cluster5]
periodic.MagnumPeriodicTasks(CONF).sync_cluster_status(None)
self.assertEqual(cluster_status.CREATE_IN_PROGRESS,
self.cluster1.status)
self.assertEqual(cluster_status.DELETE_IN_PROGRESS,
self.cluster2.status)
self.assertEqual(cluster_status.UPDATE_IN_PROGRESS,
self.cluster3.status)
self.assertEqual(cluster_status.ROLLBACK_IN_PROGRESS,
self.cluster5.status)
@mock.patch.object(objects.Cluster, 'list')
@mock.patch('magnum.common.clients.OpenStackClients')
@mock.patch.object(dbapi.Connection, 'destroy_cluster')
@mock.patch.object(dbapi.Connection, 'update_cluster')
def test_sync_cluster_status_heat_not_found(self, mock_db_update,
mock_db_destroy, mock_oscc,
mock_cluster_list):
mock_heat_client = mock.MagicMock()
mock_heat_client.stacks.list.return_value = []
mock_osc = mock_oscc.return_value
mock_osc.heat.return_value = mock_heat_client
mock_cluster_list.return_value = [self.cluster1, self.cluster2,
self.cluster3]
mock_keystone_client = mock.MagicMock()
mock_keystone_client.client.project_id = "fake_project"
mock_osc.keystone.return_value = mock_keystone_client
periodic.MagnumPeriodicTasks(CONF).sync_cluster_status(None)
self.assertEqual(cluster_status.CREATE_FAILED, self.cluster1.status)
self.assertEqual('Stack with id 11 not found in Heat.',
self.cluster1.status_reason)
mock_db_destroy.assert_called_once_with(self.cluster2.uuid)
self.assertEqual(cluster_status.UPDATE_FAILED, self.cluster3.status)
self.assertEqual('Stack with id 33 not found in Heat.',
self.cluster3.status_reason)
@mock.patch('magnum.conductor.monitors.create_monitor')
@mock.patch('magnum.objects.Cluster.list')
@mock.patch('magnum.common.rpc.get_notifier')
@mock.patch('magnum.common.context.make_admin_context')
def test_send_cluster_metrics(self, mock_make_admin_context,
mock_get_notifier, mock_cluster_list,
mock_create_monitor):
"""Test if RPC notifier receives the expected message"""
mock_make_admin_context.return_value = self.context
notifier = mock.MagicMock()
mock_get_notifier.return_value = notifier
mock_cluster_list.return_value = [self.cluster1, self.cluster2,
self.cluster3, self.cluster4]
monitor = mock.MagicMock()
monitor.get_metric_names.return_value = ['metric1', 'metric2']
monitor.compute_metric_value.return_value = 30
monitor.get_metric_unit.return_value = '%'
mock_create_monitor.return_value = monitor
periodic.MagnumPeriodicTasks(CONF)._send_cluster_metrics(self.context)
expected_event_type = 'magnum.cluster.metrics.update'
expected_metrics = [
{
'name': 'metric1',
'value': 30,
'unit': '%',
},
{
'name': 'metric2',
'value': 30,
'unit': '%',
},
]
expected_msg = {
'user_id': self.cluster4.user_id,
'project_id': self.cluster4.project_id,
'resource_id': self.cluster4.uuid,
'metrics': expected_metrics
}
self.assertEqual(1, mock_create_monitor.call_count)
notifier.info.assert_called_once_with(
self.context, expected_event_type, expected_msg)
@mock.patch('magnum.conductor.monitors.create_monitor')
@mock.patch('magnum.objects.Cluster.list')
@mock.patch('magnum.common.rpc.get_notifier')
@mock.patch('magnum.common.context.make_admin_context')
def test_send_cluster_metrics_compute_metric_raise(
self, mock_make_admin_context, mock_get_notifier,
mock_cluster_list, mock_create_monitor):
mock_make_admin_context.return_value = self.context
notifier = mock.MagicMock()
mock_get_notifier.return_value = notifier
mock_cluster_list.return_value = [self.cluster4]
monitor = mock.MagicMock()
monitor.get_metric_names.return_value = ['metric1', 'metric2']
monitor.compute_metric_value.side_effect = Exception(
"error on computing metric")
mock_create_monitor.return_value = monitor
periodic.MagnumPeriodicTasks(CONF)._send_cluster_metrics(self.context)
expected_event_type = 'magnum.cluster.metrics.update'
expected_msg = {
'user_id': self.cluster4.user_id,
'project_id': self.cluster4.project_id,
'resource_id': self.cluster4.uuid,
'metrics': []
}
self.assertEqual(1, mock_create_monitor.call_count)
notifier.info.assert_called_once_with(
self.context, expected_event_type, expected_msg)
@mock.patch('magnum.conductor.monitors.create_monitor')
@mock.patch('magnum.objects.Cluster.list')
@mock.patch('magnum.common.rpc.get_notifier')
@mock.patch('magnum.common.context.make_admin_context')
def test_send_cluster_metrics_pull_data_raise(
self, mock_make_admin_context, mock_get_notifier,
mock_cluster_list, mock_create_monitor):
mock_make_admin_context.return_value = self.context
notifier = mock.MagicMock()
mock_get_notifier.return_value = notifier
mock_cluster_list.return_value = [self.cluster4]
monitor = mock.MagicMock()
monitor.pull_data.side_effect = Exception("error on pulling data")
mock_create_monitor.return_value = monitor
periodic.MagnumPeriodicTasks(CONF)._send_cluster_metrics(self.context)
self.assertEqual(1, mock_create_monitor.call_count)
self.assertEqual(0, notifier.info.call_count)
@mock.patch('magnum.conductor.monitors.create_monitor')
@mock.patch('magnum.objects.Cluster.list')
@mock.patch('magnum.common.rpc.get_notifier')
@mock.patch('magnum.common.context.make_admin_context')
def test_send_cluster_metrics_monitor_none(
self, mock_make_admin_context, mock_get_notifier,
mock_cluster_list, mock_create_monitor):
mock_make_admin_context.return_value = self.context
notifier = mock.MagicMock()
mock_get_notifier.return_value = notifier
mock_cluster_list.return_value = [self.cluster4]
mock_create_monitor.return_value = None
periodic.MagnumPeriodicTasks(CONF)._send_cluster_metrics(self.context)
self.assertEqual(1, mock_create_monitor.call_count)
self.assertEqual(0, notifier.info.call_count)
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