566 lines
23 KiB
Python
566 lines
23 KiB
Python
# Copyright 2015 Huawei Technologies Co.,LTD.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from collections import namedtuple
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from unittest import mock
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from oslo_serialization import jsonutils
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from magnum.common import exception
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from magnum.drivers.common import k8s_monitor
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from magnum.drivers.mesos_ubuntu_v1 import monitor as mesos_monitor
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from magnum.drivers.swarm_fedora_atomic_v1 import monitor as swarm_monitor
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from magnum.drivers.swarm_fedora_atomic_v2 import monitor as swarm_v2_monitor
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from magnum import objects
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from magnum.objects import fields as m_fields
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from magnum.tests import base
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from magnum.tests.unit.db import utils
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NODE_STATUS_CONDITION = namedtuple('Condition',
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['type', 'status'])
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class MonitorsTestCase(base.TestCase):
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test_metrics_spec = {
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'metric1': {
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'unit': 'metric1_unit',
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'func': 'metric1_func',
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},
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'metric2': {
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'unit': 'metric2_unit',
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'func': 'metric2_func',
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},
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}
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def setUp(self):
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super(MonitorsTestCase, self).setUp()
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cluster = utils.get_test_cluster(node_addresses=['1.2.3.4'],
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api_address='https://5.6.7.8:2376',
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master_addresses=['10.0.0.6'],
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labels={})
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self.cluster = objects.Cluster(self.context, **cluster)
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cluster_template = (
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utils.get_test_cluster_template(master_lb_enabled=False))
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self.cluster.cluster_template = (
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objects.ClusterTemplate(self.context, **cluster_template))
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nodegroups = utils.get_nodegroups_for_cluster(
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node_addresses=['1.2.3.4'], master_addresses=['10.0.0.6'])
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self.nodegroups = [
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objects.NodeGroup(self.context, **nodegroups['master']),
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objects.NodeGroup(self.context, **nodegroups['worker'])
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]
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self.monitor = swarm_monitor.SwarmMonitor(self.context, self.cluster)
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self.v2_monitor = swarm_v2_monitor.SwarmMonitor(self.context,
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self.cluster)
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self.k8s_monitor = k8s_monitor.K8sMonitor(self.context, self.cluster)
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self.mesos_monitor = mesos_monitor.MesosMonitor(self.context,
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self.cluster)
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p = mock.patch('magnum.drivers.swarm_fedora_atomic_v1.monitor.'
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'SwarmMonitor.metrics_spec',
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new_callable=mock.PropertyMock)
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self.mock_metrics_spec = p.start()
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self.mock_metrics_spec.return_value = self.test_metrics_spec
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self.addCleanup(p.stop)
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p2 = mock.patch('magnum.drivers.swarm_fedora_atomic_v2.monitor.'
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'SwarmMonitor.metrics_spec',
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new_callable=mock.PropertyMock)
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self.mock_metrics_spec_v2 = p2.start()
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self.mock_metrics_spec_v2.return_value = self.test_metrics_spec
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self.addCleanup(p2.stop)
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@mock.patch('magnum.common.docker_utils.docker_for_cluster')
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def test_swarm_monitor_pull_data_success(self, mock_docker_cluster):
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mock_docker = mock.MagicMock()
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mock_docker.info.return_value = {'DriverStatus': [[
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u' \u2514 Reserved Memory', u'0 B / 1 GiB']]}
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mock_docker.containers.return_value = [mock.MagicMock()]
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mock_docker.inspect_container.return_value = 'test_container'
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mock_docker_cluster.return_value.__enter__.return_value = mock_docker
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self.monitor.pull_data()
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self.assertEqual([{'MemTotal': 1073741824.0}],
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self.monitor.data['nodes'])
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self.assertEqual(['test_container'], self.monitor.data['containers'])
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@mock.patch('magnum.common.docker_utils.docker_for_cluster')
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def test_swarm_v2_monitor_pull_data_success(self, mock_docker_cluster):
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mock_docker = mock.MagicMock()
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mock_docker.info.return_value = {'DriverStatus': [[
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u' \u2514 Reserved Memory', u'0 B / 1 GiB']]}
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mock_docker.containers.return_value = [mock.MagicMock()]
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mock_docker.inspect_container.return_value = 'test_container'
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mock_docker_cluster.return_value.__enter__.return_value = mock_docker
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self.v2_monitor.pull_data()
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self.assertEqual([{'MemTotal': 1073741824.0}],
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self.v2_monitor.data['nodes'])
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self.assertEqual(['test_container'],
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self.v2_monitor.data['containers'])
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@mock.patch('magnum.common.docker_utils.docker_for_cluster')
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def test_swarm_monitor_pull_data_raise(self, mock_docker_cluster):
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mock_container = mock.MagicMock()
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mock_docker = mock.MagicMock()
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mock_docker.info.return_value = {'DriverStatus': [[
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u' \u2514 Reserved Memory', u'0 B / 1 GiB']]}
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mock_docker.containers.return_value = [mock_container]
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mock_docker.inspect_container.side_effect = Exception("inspect error")
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mock_docker_cluster.return_value.__enter__.return_value = mock_docker
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self.monitor.pull_data()
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self.assertEqual([{'MemTotal': 1073741824.0}],
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self.monitor.data['nodes'])
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self.assertEqual([mock_container], self.monitor.data['containers'])
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@mock.patch('magnum.common.docker_utils.docker_for_cluster')
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def test_swarm_v2_monitor_pull_data_raise(self, mock_docker_cluster):
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mock_container = mock.MagicMock()
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mock_docker = mock.MagicMock()
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mock_docker.info.return_value = {'DriverStatus': [[
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u' \u2514 Reserved Memory', u'0 B / 1 GiB']]}
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mock_docker.containers.return_value = [mock_container]
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mock_docker.inspect_container.side_effect = Exception("inspect error")
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mock_docker_cluster.return_value.__enter__.return_value = mock_docker
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self.v2_monitor.pull_data()
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self.assertEqual([{'MemTotal': 1073741824.0}],
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self.v2_monitor.data['nodes'])
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self.assertEqual([mock_container], self.v2_monitor.data['containers'])
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def test_swarm_monitor_get_metric_names(self):
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names = self.monitor.get_metric_names()
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self.assertEqual(sorted(['metric1', 'metric2']), sorted(names))
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def test_swarm_v2_monitor_get_metric_names(self):
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names = self.v2_monitor.get_metric_names()
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self.assertEqual(sorted(['metric1', 'metric2']), sorted(names))
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def test_swarm_monitor_get_metric_unit(self):
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unit = self.monitor.get_metric_unit('metric1')
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self.assertEqual('metric1_unit', unit)
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def test_swarm_v2_monitor_get_metric_unit(self):
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unit = self.v2_monitor.get_metric_unit('metric1')
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self.assertEqual('metric1_unit', unit)
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def test_swarm_monitor_compute_metric_value(self):
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mock_func = mock.MagicMock()
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mock_func.return_value = 'metric1_value'
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self.monitor.metric1_func = mock_func
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value = self.monitor.compute_metric_value('metric1')
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self.assertEqual('metric1_value', value)
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def test_swarm_v2_monitor_compute_metric_value(self):
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mock_func = mock.MagicMock()
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mock_func.return_value = 'metric1_value'
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self.v2_monitor.metric1_func = mock_func
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value = self.v2_monitor.compute_metric_value('metric1')
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self.assertEqual('metric1_value', value)
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def test_swarm_monitor_compute_memory_util(self):
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test_data = {
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'nodes': [
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{
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'Name': 'node',
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'MemTotal': 20,
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},
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],
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'containers': [
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{
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'Name': 'container',
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'HostConfig': {
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'Memory': 10,
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},
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},
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],
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}
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self.monitor.data = test_data
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mem_util = self.monitor.compute_memory_util()
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self.assertEqual(50, mem_util)
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test_data = {
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'nodes': [],
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'containers': [],
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}
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self.monitor.data = test_data
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mem_util = self.monitor.compute_memory_util()
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self.assertEqual(0, mem_util)
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def test_swarm_v2_monitor_compute_memory_util(self):
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test_data = {
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'nodes': [
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{
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'Name': 'node',
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'MemTotal': 20,
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},
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],
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'containers': [
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{
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'Name': 'container',
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'HostConfig': {
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'Memory': 10,
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},
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},
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],
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}
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self.v2_monitor.data = test_data
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mem_util = self.v2_monitor.compute_memory_util()
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self.assertEqual(50, mem_util)
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test_data = {
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'nodes': [],
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'containers': [],
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}
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self.v2_monitor.data = test_data
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mem_util = self.v2_monitor.compute_memory_util()
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self.assertEqual(0, mem_util)
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@mock.patch('magnum.conductor.k8s_api.create_k8s_api')
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def test_k8s_monitor_pull_data_success(self, mock_k8s_api):
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mock_nodes = mock.MagicMock()
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mock_node = mock.MagicMock()
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mock_node.status = mock.MagicMock()
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mock_node.status.capacity = {'memory': '2000Ki', 'cpu': '1'}
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mock_nodes.items = [mock_node]
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mock_k8s_api.return_value.list_node.return_value = (
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mock_nodes)
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mock_pods = mock.MagicMock()
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mock_pod = mock.MagicMock()
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mock_pod.spec = mock.MagicMock()
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mock_container = mock.MagicMock()
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mock_container.resources = mock.MagicMock()
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mock_container.resources.limits = "{'memory': '100Mi', 'cpu': '500m'}"
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mock_pod.spec.containers = [mock_container]
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mock_pods.items = [mock_pod]
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mock_k8s_api.return_value.list_namespaced_pod.return_value = mock_pods
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self.k8s_monitor.pull_data()
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self.assertEqual(self.k8s_monitor.data['nodes'],
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[{'Memory': 2048000.0, 'Cpu': 1}])
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self.assertEqual(self.k8s_monitor.data['pods'],
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[{'Memory': 104857600.0, 'Cpu': 0.5}])
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def test_k8s_monitor_get_metric_names(self):
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k8s_metric_spec = 'magnum.drivers.common.k8s_monitor.K8sMonitor.'\
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'metrics_spec'
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with mock.patch(k8s_metric_spec,
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new_callable=mock.PropertyMock) as mock_k8s_metric:
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mock_k8s_metric.return_value = self.test_metrics_spec
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names = self.k8s_monitor.get_metric_names()
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self.assertEqual(sorted(['metric1', 'metric2']), sorted(names))
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def test_k8s_monitor_get_metric_unit(self):
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k8s_metric_spec = 'magnum.drivers.common.k8s_monitor.K8sMonitor.'\
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'metrics_spec'
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with mock.patch(k8s_metric_spec,
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new_callable=mock.PropertyMock) as mock_k8s_metric:
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mock_k8s_metric.return_value = self.test_metrics_spec
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unit = self.k8s_monitor.get_metric_unit('metric1')
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self.assertEqual('metric1_unit', unit)
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def test_k8s_monitor_compute_memory_util(self):
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test_data = {
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'nodes': [
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{
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'Memory': 20,
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},
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],
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'pods': [
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{
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'Memory': 10,
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},
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],
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}
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self.k8s_monitor.data = test_data
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mem_util = self.k8s_monitor.compute_memory_util()
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self.assertEqual(50, mem_util)
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test_data = {
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'nodes': [],
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'pods': [],
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}
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self.k8s_monitor.data = test_data
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mem_util = self.k8s_monitor.compute_memory_util()
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self.assertEqual(0, mem_util)
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def test_k8s_monitor_compute_cpu_util(self):
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test_data = {
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'nodes': [
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{
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'Cpu': 1,
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},
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],
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'pods': [
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{
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'Cpu': 0.5,
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},
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],
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}
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self.k8s_monitor.data = test_data
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cpu_util = self.k8s_monitor.compute_cpu_util()
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self.assertEqual(50, cpu_util)
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test_data = {
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'nodes': [],
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'pods': [],
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}
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self.k8s_monitor.data = test_data
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cpu_util = self.k8s_monitor.compute_cpu_util()
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self.assertEqual(0, cpu_util)
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def _test_mesos_monitor_pull_data(
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self, mock_url_get, state_json, expected_mem_total,
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expected_mem_used, expected_cpu_total, expected_cpu_used):
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state_json = jsonutils.dumps(state_json)
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mock_url_get.return_value = state_json
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self.mesos_monitor.pull_data()
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self.assertEqual(self.mesos_monitor.data['mem_total'],
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expected_mem_total)
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self.assertEqual(self.mesos_monitor.data['mem_used'],
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expected_mem_used)
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self.assertEqual(self.mesos_monitor.data['cpu_total'],
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expected_cpu_total)
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self.assertEqual(self.mesos_monitor.data['cpu_used'],
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expected_cpu_used)
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@mock.patch('magnum.objects.NodeGroup.list')
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@mock.patch('magnum.common.urlfetch.get')
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def test_mesos_monitor_pull_data_success(self, mock_url_get,
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mock_ng_list):
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mock_ng_list.return_value = self.nodegroups
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state_json = {
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'leader': 'master@10.0.0.6:5050',
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'pid': 'master@10.0.0.6:5050',
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'slaves': [{
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'resources': {
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'mem': 100,
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'cpus': 1,
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},
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'used_resources': {
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'mem': 50,
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'cpus': 0.2,
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}
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}]
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}
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self._test_mesos_monitor_pull_data(mock_url_get, state_json,
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100, 50, 1, 0.2)
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@mock.patch('magnum.objects.NodeGroup.list')
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@mock.patch('magnum.common.urlfetch.get')
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def test_mesos_monitor_pull_data_success_not_leader(self, mock_url_get,
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mock_ng_list):
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mock_ng_list.return_value = self.nodegroups
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state_json = {
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'leader': 'master@10.0.0.6:5050',
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'pid': 'master@1.1.1.1:5050',
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'slaves': []
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}
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self._test_mesos_monitor_pull_data(mock_url_get, state_json,
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0, 0, 0, 0)
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@mock.patch('magnum.objects.NodeGroup.list')
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@mock.patch('magnum.common.urlfetch.get')
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def test_mesos_monitor_pull_data_success_no_master(self, mock_url_get,
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mock_ng_list):
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mock_ng_list.return_value = []
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self._test_mesos_monitor_pull_data(mock_url_get, {}, 0, 0, 0, 0)
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def test_mesos_monitor_get_metric_names(self):
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mesos_metric_spec = ('magnum.drivers.mesos_ubuntu_v1.monitor.'
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'MesosMonitor.metrics_spec')
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with mock.patch(mesos_metric_spec,
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new_callable=mock.PropertyMock) as mock_mesos_metric:
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mock_mesos_metric.return_value = self.test_metrics_spec
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names = self.mesos_monitor.get_metric_names()
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self.assertEqual(sorted(['metric1', 'metric2']), sorted(names))
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def test_mesos_monitor_get_metric_unit(self):
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mesos_metric_spec = ('magnum.drivers.mesos_ubuntu_v1.monitor.'
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'MesosMonitor.metrics_spec')
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with mock.patch(mesos_metric_spec,
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new_callable=mock.PropertyMock) as mock_mesos_metric:
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mock_mesos_metric.return_value = self.test_metrics_spec
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unit = self.mesos_monitor.get_metric_unit('metric1')
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self.assertEqual('metric1_unit', unit)
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def test_mesos_monitor_compute_memory_util(self):
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test_data = {
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'mem_total': 100,
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'mem_used': 50
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}
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self.mesos_monitor.data = test_data
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mem_util = self.mesos_monitor.compute_memory_util()
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self.assertEqual(50, mem_util)
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test_data = {
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'mem_total': 0,
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'pods': 0,
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}
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self.mesos_monitor.data = test_data
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mem_util = self.mesos_monitor.compute_memory_util()
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self.assertEqual(0, mem_util)
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test_data = {
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'mem_total': 100,
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'mem_used': 0,
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'pods': 0,
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}
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self.mesos_monitor.data = test_data
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mem_util = self.mesos_monitor.compute_memory_util()
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self.assertEqual(0, mem_util)
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def test_mesos_monitor_compute_cpu_util(self):
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test_data = {
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'cpu_total': 1,
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'cpu_used': 0.2,
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}
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self.mesos_monitor.data = test_data
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cpu_util = self.mesos_monitor.compute_cpu_util()
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self.assertEqual(20, cpu_util)
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test_data = {
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'cpu_total': 100,
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'cpu_used': 0,
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}
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self.mesos_monitor.data = test_data
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cpu_util = self.mesos_monitor.compute_cpu_util()
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self.assertEqual(0, cpu_util)
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@mock.patch('magnum.conductor.k8s_api.create_k8s_api')
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def test_k8s_monitor_health_healthy(self, mock_k8s_api):
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mock_nodes = mock.MagicMock()
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mock_node = mock.MagicMock()
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mock_api_client = mock.MagicMock()
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mock_node.status = mock.MagicMock()
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mock_node.metadata.name = 'k8s-cluster-node-0'
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mock_node.status.conditions = [NODE_STATUS_CONDITION(type='Ready',
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status='True')]
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mock_nodes.items = [mock_node]
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mock_k8s_api.return_value.list_node.return_value = (
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mock_nodes)
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mock_k8s_api.return_value.api_client = mock_api_client
|
|
mock_api_client.call_api.return_value = ('ok', None, None)
|
|
|
|
self.k8s_monitor.poll_health_status()
|
|
self.assertEqual(self.k8s_monitor.data['health_status'],
|
|
m_fields.ClusterHealthStatus.HEALTHY)
|
|
self.assertEqual(self.k8s_monitor.data['health_status_reason'],
|
|
{'api': 'ok', 'k8s-cluster-node-0.Ready': True})
|
|
|
|
@mock.patch('magnum.conductor.k8s_api.create_k8s_api')
|
|
def test_k8s_monitor_health_unhealthy_api(self, mock_k8s_api):
|
|
mock_nodes = mock.MagicMock()
|
|
mock_node = mock.MagicMock()
|
|
mock_api_client = mock.MagicMock()
|
|
mock_node.status = mock.MagicMock()
|
|
mock_node.metadata.name = 'k8s-cluster-node-0'
|
|
mock_node.status.conditions = [NODE_STATUS_CONDITION(type='Ready',
|
|
status='True')]
|
|
mock_nodes.items = [mock_node]
|
|
mock_k8s_api.return_value.list_node.return_value = (
|
|
mock_nodes)
|
|
mock_k8s_api.return_value.api_client = mock_api_client
|
|
mock_api_client.call_api.side_effect = exception.MagnumException(
|
|
message='failed')
|
|
|
|
self.k8s_monitor.poll_health_status()
|
|
self.assertEqual(self.k8s_monitor.data['health_status'],
|
|
m_fields.ClusterHealthStatus.UNHEALTHY)
|
|
self.assertEqual(self.k8s_monitor.data['health_status_reason'],
|
|
{'api': 'failed'})
|
|
|
|
@mock.patch('magnum.conductor.k8s_api.create_k8s_api')
|
|
def test_k8s_monitor_health_unhealthy_node(self, mock_k8s_api):
|
|
mock_nodes = mock.MagicMock()
|
|
mock_api_client = mock.MagicMock()
|
|
|
|
mock_node0 = mock.MagicMock()
|
|
mock_node0.status = mock.MagicMock()
|
|
mock_node0.metadata.name = 'k8s-cluster-node-0'
|
|
mock_node0.status.conditions = [NODE_STATUS_CONDITION(type='Ready',
|
|
status='False')]
|
|
mock_node1 = mock.MagicMock()
|
|
mock_node1.status = mock.MagicMock()
|
|
mock_node1.metadata.name = 'k8s-cluster-node-1'
|
|
mock_node1.status.conditions = [NODE_STATUS_CONDITION(type='Ready',
|
|
status='True')]
|
|
|
|
mock_nodes.items = [mock_node0, mock_node1]
|
|
mock_k8s_api.return_value.list_node.return_value = (
|
|
mock_nodes)
|
|
mock_k8s_api.return_value.api_client = mock_api_client
|
|
mock_api_client.call_api.return_value = ('ok', None, None)
|
|
|
|
self.k8s_monitor.poll_health_status()
|
|
self.assertEqual(self.k8s_monitor.data['health_status'],
|
|
m_fields.ClusterHealthStatus.UNHEALTHY)
|
|
self.assertEqual(self.k8s_monitor.data['health_status_reason'],
|
|
{'api': 'ok', 'k8s-cluster-node-0.Ready': False,
|
|
'api': 'ok', 'k8s-cluster-node-1.Ready': True})
|
|
|
|
@mock.patch('magnum.conductor.k8s_api.create_k8s_api')
|
|
def test_k8s_monitor_health_unreachable_cluster(self, mock_k8s_api):
|
|
mock_nodes = mock.MagicMock()
|
|
mock_node = mock.MagicMock()
|
|
mock_node.status = mock.MagicMock()
|
|
mock_nodes.items = [mock_node]
|
|
self.k8s_monitor.cluster.floating_ip_enabled = False
|
|
|
|
self.k8s_monitor.poll_health_status()
|
|
self.assertEqual(self.k8s_monitor.data['health_status'],
|
|
m_fields.ClusterHealthStatus.UNKNOWN)
|
|
|
|
@mock.patch('magnum.conductor.k8s_api.create_k8s_api')
|
|
def test_k8s_monitor_health_unreachable_with_master_lb(self, mock_k8s_api):
|
|
mock_nodes = mock.MagicMock()
|
|
mock_node = mock.MagicMock()
|
|
mock_node.status = mock.MagicMock()
|
|
mock_nodes.items = [mock_node]
|
|
cluster = self.k8s_monitor.cluster
|
|
cluster.floating_ip_enabled = True
|
|
cluster.cluster_template.master_lb_enabled = True
|
|
cluster.labels['master_lb_floating_ip_enabled'] = False
|
|
|
|
self.k8s_monitor.poll_health_status()
|
|
self.assertEqual(self.k8s_monitor.data['health_status'],
|
|
m_fields.ClusterHealthStatus.UNKNOWN)
|
|
|
|
def test_is_magnum_auto_healer_running(self):
|
|
cluster = self.k8s_monitor.cluster
|
|
cluster.labels['auto_healing_enabled'] = True
|
|
cluster.labels['auto_healing_controller'] = 'magnum-auto-healer'
|
|
self.k8s_monitor._is_magnum_auto_healer_running()
|
|
self.assertTrue(self.k8s_monitor._is_magnum_auto_healer_running())
|
|
|
|
cluster.labels['auto_healing_enabled'] = False
|
|
cluster.labels['auto_healing_controller'] = 'magnum-auto-healer'
|
|
self.k8s_monitor._is_magnum_auto_healer_running()
|
|
self.assertFalse(self.k8s_monitor._is_magnum_auto_healer_running())
|
|
|
|
cluster.labels['auto_healing_enabled'] = True
|
|
cluster.labels['auto_healing_controller'] = 'draino'
|
|
self.k8s_monitor._is_magnum_auto_healer_running()
|
|
self.assertFalse(self.k8s_monitor._is_magnum_auto_healer_running())
|
|
|
|
cluster.labels = {}
|
|
self.k8s_monitor._is_magnum_auto_healer_running()
|
|
self.assertFalse(self.k8s_monitor._is_magnum_auto_healer_running())
|