Container Infrastructure Management Service for OpenStack
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# Copyright 2015 Intel, Inc
#
# 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.
import mock
from oslo_utils import uuidutils
from magnum.common import context
from magnum.common.rpc_service import CONF
from magnum.db.sqlalchemy import api as dbapi
from magnum.drivers.common import driver
from magnum.drivers.common import k8s_monitor
from magnum import objects
from magnum.objects.fields import ClusterHealthStatus as cluster_health_status
from magnum.objects.fields import ClusterStatus as cluster_status
from magnum.service import periodic
from magnum.tests import base
from magnum.tests import fake_notifier
from magnum.tests import fakes
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)
# This dictionary will be populated by setUp to help mock
# the nodegroup list magnum.db.api.get_cluster_nodergoups.
cluster_ngs = {}
def mock_nodegroup_list(cls, dummy_context, cluster_id, **kwargs):
try:
return cluster_ngs[cluster_id]
except KeyError:
return []
class PeriodicTestCase(base.TestCase):
def setUp(self):
super(PeriodicTestCase, self).setUp()
self.context = 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',
}
uuid = uuidutils.generate_uuid()
trust_attrs.update({'id': 1, 'stack_id': '11', 'uuid': uuid,
'status': cluster_status.CREATE_IN_PROGRESS,
'status_reason': 'no change'})
cluster1 = utils.get_test_cluster(**trust_attrs)
ngs1 = utils.get_nodegroups_for_cluster()
uuid = uuidutils.generate_uuid()
trust_attrs.update({'id': 2, 'stack_id': '22', 'uuid': uuid,
'status': cluster_status.DELETE_IN_PROGRESS,
'status_reason': 'no change'})
cluster2 = utils.get_test_cluster(**trust_attrs)
ngs2 = utils.get_nodegroups_for_cluster()
uuid = uuidutils.generate_uuid()
trust_attrs.update({'id': 3, 'stack_id': '33', 'uuid': uuid,
'status': cluster_status.UPDATE_IN_PROGRESS,
'status_reason': 'no change'})
cluster3 = utils.get_test_cluster(**trust_attrs)
ngs3 = utils.get_nodegroups_for_cluster()
uuid = uuidutils.generate_uuid()
trust_attrs.update({'id': 4, 'stack_id': '44', 'uuid': uuid,
'status': cluster_status.DELETE_IN_PROGRESS,
'status_reason': 'no change'})
cluster4 = utils.get_test_cluster(**trust_attrs)
ngs4 = utils.get_nodegroups_for_cluster()
uuid = uuidutils.generate_uuid()
trust_attrs.update({'id': 5, 'stack_id': '55', 'uuid': uuid,
'status': cluster_status.ROLLBACK_IN_PROGRESS,
'status_reason': 'no change'})
cluster5 = utils.get_test_cluster(**trust_attrs)
ngs5 = utils.get_nodegroups_for_cluster()
self.nodegroups1 = [
objects.NodeGroup(self.context, **ngs1['master']),
objects.NodeGroup(self.context, **ngs1['worker'])
]
self.nodegroups2 = [
objects.NodeGroup(self.context, **ngs2['master']),
objects.NodeGroup(self.context, **ngs2['worker'])
]
self.nodegroups3 = [
objects.NodeGroup(self.context, **ngs3['master']),
objects.NodeGroup(self.context, **ngs3['worker'])
]
self.nodegroups4 = [
objects.NodeGroup(self.context, **ngs4['master']),
objects.NodeGroup(self.context, **ngs4['worker'])
]
self.nodegroups5 = [
objects.NodeGroup(self.context, **ngs5['master']),
objects.NodeGroup(self.context, **ngs5['worker'])
]
self.cluster1 = objects.Cluster(self.context, **cluster1)
self.cluster2 = objects.Cluster(self.context, **cluster2)
self.cluster3 = objects.Cluster(self.context, **cluster3)
self.cluster4 = objects.Cluster(self.context, **cluster4)
self.cluster5 = objects.Cluster(self.context, **cluster5)
# This is used to mock the get_cluster_nodegroups from magnum.db.api.
# It's not the greatest way to do it, But we have to populate the
# dictionary in the runtime (or have statically defined uuids per NG).
global cluster_ngs
cluster_ngs = {
self.cluster1.uuid: self.nodegroups1,
self.cluster2.uuid: self.nodegroups2,
self.cluster3.uuid: self.nodegroups3,
self.cluster4.uuid: self.nodegroups4,
self.cluster5.uuid: self.nodegroups5
}
# these tests are based on the basic behavior of our standard
# Heat-based drivers, but drivers based on other orchestration
# methods should generally behave in a similar fashion as far
# as the actual calls go. It is up to the driver implementor
# to ensure their implementation of update_cluster_status behaves
# as expected regardless of how the periodic updater task works
self.mock_heat_client = mock.MagicMock()
self.stack1 = fake_stack(
id='11', stack_status=cluster_status.CREATE_COMPLETE,
stack_status_reason='fake_reason_11')
self.stack2 = fake_stack(
id='22', stack_status=cluster_status.DELETE_IN_PROGRESS,
stack_status_reason='fake_reason_11')
self.stack3 = fake_stack(
id='33', stack_status=cluster_status.UPDATE_COMPLETE,
stack_status_reason='fake_reason_33')
self.stack5 = fake_stack(
id='55', stack_status=cluster_status.ROLLBACK_COMPLETE,
stack_status_reason='fake_reason_55')
self.mock_heat_client.stacks.list.return_value = [
self.stack1, self.stack2, self.stack3, self.stack5]
self.get_stacks = {
'11': self.stack1,
'22': self.stack2,
'33': self.stack3,
'55': self.stack5
}
self.mock_driver = mock.MagicMock(spec=driver.Driver)
def _mock_update_status(context, cluster):
try:
stack = self.get_stacks[cluster.stack_id]
except KeyError:
cluster.status_reason = "Stack %s not found" % cluster.stack_id
if cluster.status == "DELETE_IN_PROGRESS":
cluster.status = cluster_status.DELETE_COMPLETE
else:
cluster.status = cluster.status.replace("IN_PROGRESS",
"FAILED")
cluster.status = cluster.status.replace("COMPLETE",
"FAILED")
else:
if cluster.status != stack.stack_status:
cluster.status = stack.stack_status
cluster.status_reason = stack.stack_status_reason
self.mock_driver.update_cluster_status.side_effect = (
_mock_update_status)
@mock.patch('oslo_service.loopingcall.FixedIntervalLoopingCall',
new=fakes.FakeLoopingCall)
@mock.patch('magnum.drivers.common.driver.Driver.get_driver_for_cluster')
@mock.patch('magnum.objects.Cluster.list')
@mock.patch.object(dbapi.Connection, 'destroy_nodegroup')
@mock.patch.object(dbapi.Connection, 'destroy_cluster')
def test_sync_cluster_status_changes(self, mock_db_destroy,
mock_ng_destroy,
mock_cluster_list,
mock_get_driver):
mock_cluster_list.return_value = [self.cluster1, self.cluster2,
self.cluster3, self.cluster4,
self.cluster5]
mock_get_driver.return_value = self.mock_driver
with mock.patch.object(dbapi.Connection, 'list_cluster_nodegroups',
mock_nodegroup_list):
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)
# make sure cluster 2 didn't change
self.assertEqual(cluster_status.DELETE_IN_PROGRESS,
self.cluster2.status)
self.assertEqual('no change', self.cluster2.status_reason)
self.assertEqual(cluster_status.UPDATE_COMPLETE,
self.cluster3.status)
self.assertEqual('fake_reason_33', self.cluster3.status_reason)
self.assertEqual(2, mock_ng_destroy.call_count)
mock_db_destroy.assert_called_once_with(self.cluster4.uuid)
self.assertEqual(cluster_status.ROLLBACK_COMPLETE,
self.cluster5.status)
self.assertEqual('fake_reason_55', self.cluster5.status_reason)
notifications = fake_notifier.NOTIFICATIONS
self.assertEqual(4, len(notifications))
@mock.patch('oslo_service.loopingcall.FixedIntervalLoopingCall',
new=fakes.FakeLoopingCall)
@mock.patch('magnum.drivers.common.driver.Driver.get_driver_for_cluster')
@mock.patch('magnum.objects.Cluster.list')
def test_sync_cluster_status_not_changes(self, mock_cluster_list,
mock_get_driver):
self.stack1.stack_status = self.cluster1.status
self.stack2.stack_status = self.cluster2.status
self.stack3.stack_status = self.cluster3.status
self.stack5.stack_status = self.cluster5.status
mock_cluster_list.return_value = [self.cluster1, self.cluster2,
self.cluster3, self.cluster5]
mock_get_driver.return_value = self.mock_driver
periodic.MagnumPeriodicTasks(CONF).sync_cluster_status(None)
self.assertEqual(cluster_status.CREATE_IN_PROGRESS,
self.cluster1.status)
self.assertEqual('no change', self.cluster1.status_reason)
self.assertEqual(cluster_status.DELETE_IN_PROGRESS,
self.cluster2.status)
self.assertEqual('no change', self.cluster2.status_reason)
self.assertEqual(cluster_status.UPDATE_IN_PROGRESS,
self.cluster3.status)
self.assertEqual('no change', self.cluster3.status_reason)
self.assertEqual(cluster_status.ROLLBACK_IN_PROGRESS,
self.cluster5.status)
self.assertEqual('no change', self.cluster5.status_reason)
notifications = fake_notifier.NOTIFICATIONS
self.assertEqual(0, len(notifications))
@mock.patch('oslo_service.loopingcall.FixedIntervalLoopingCall',
new=fakes.FakeLoopingCall)
@mock.patch('magnum.drivers.common.driver.Driver.get_driver_for_cluster')
@mock.patch('magnum.objects.Cluster.list')
@mock.patch.object(dbapi.Connection, 'destroy_cluster')
@mock.patch.object(dbapi.Connection, 'destroy_nodegroup')
def test_sync_cluster_status_heat_not_found(self, mock_ng_destroy,
mock_db_destroy,
mock_cluster_list,
mock_get_driver):
self.get_stacks.clear()
mock_get_driver.return_value = self.mock_driver
mock_cluster_list.return_value = [self.cluster1, self.cluster2,
self.cluster3, self.cluster4,
self.cluster5]
with mock.patch.object(dbapi.Connection, 'list_cluster_nodegroups',
mock_nodegroup_list):
periodic.MagnumPeriodicTasks(CONF).sync_cluster_status(None)
self.assertEqual(cluster_status.CREATE_FAILED,
self.cluster1.status)
self.assertEqual('Stack 11 not found', self.cluster1.status_reason)
self.assertEqual(cluster_status.UPDATE_FAILED,
self.cluster3.status)
self.assertEqual('Stack 33 not found', self.cluster3.status_reason)
self.assertEqual(cluster_status.ROLLBACK_FAILED,
self.cluster5.status)
self.assertEqual('Stack 55 not found', self.cluster5.status_reason)
mock_db_destroy.assert_has_calls([
mock.call(self.cluster2.uuid),
mock.call(self.cluster4.uuid)
])
self.assertEqual(2, mock_db_destroy.call_count)
notifications = fake_notifier.NOTIFICATIONS
self.assertEqual(5, len(notifications))
@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"""
CONF.set_override('send_cluster_metrics', True, group='drivers')
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]
self.cluster4.status = cluster_status.CREATE_COMPLETE
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):
CONF.set_override('send_cluster_metrics', True, group='drivers')
mock_make_admin_context.return_value = self.context
notifier = mock.MagicMock()
mock_get_notifier.return_value = notifier
mock_cluster_list.return_value = [self.cluster4]
self.cluster4.status = cluster_status.CREATE_COMPLETE
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):
CONF.set_override('send_cluster_metrics', True, group='drivers')
mock_make_admin_context.return_value = self.context
notifier = mock.MagicMock()
mock_get_notifier.return_value = notifier
mock_cluster_list.return_value = [self.cluster4]
self.cluster4.status = cluster_status.CREATE_COMPLETE
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):
CONF.set_override('send_cluster_metrics', True, group='drivers')
mock_make_admin_context.return_value = self.context
notifier = mock.MagicMock()
mock_get_notifier.return_value = notifier
mock_cluster_list.return_value = [self.cluster4]
self.cluster4.status = cluster_status.CREATE_COMPLETE
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)
@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_disable_pull_data(
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.cluster1, self.cluster2,
self.cluster3, self.cluster4]
self.cluster4.status = cluster_status.CREATE_COMPLETE
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)
self.assertEqual(0, mock_create_monitor.call_count)
self.assertEqual(0, notifier.info.call_count)
@mock.patch('oslo_service.loopingcall.FixedIntervalLoopingCall',
new=fakes.FakeLoopingCall)
@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_sync_cluster_health_status(self, mock_make_admin_context,
mock_get_notifier, mock_cluster_list,
mock_create_monitor):
"""Test sync cluster health status"""
mock_make_admin_context.return_value = self.context
notifier = mock.MagicMock()
mock_get_notifier.return_value = notifier
mock_cluster_list.return_value = [self.cluster4]
self.cluster4.status = cluster_status.CREATE_COMPLETE
health = {'health_status': cluster_health_status.UNHEALTHY,
'health_status_reason': {'api': 'ok', 'node-0.Ready': False}}
monitor = mock.MagicMock(spec=k8s_monitor.K8sMonitor, name='test',
data=health)
mock_create_monitor.return_value = monitor
periodic.MagnumPeriodicTasks(CONF).sync_cluster_health_status(
self.context)
self.assertEqual(cluster_health_status.UNHEALTHY,
self.cluster4.health_status)
self.assertEqual({'api': 'ok', 'node-0.Ready': 'False'},
self.cluster4.health_status_reason)