/usr/lib/python2.7/dist-packages/magnum/tests/unit/conductor/test_monitors.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.
import mock
from oslo_serialization import jsonutils
from magnum.conductor import k8s_monitor
from magnum.conductor import mesos_monitor
from magnum.conductor import monitors
from magnum.conductor import swarm_monitor
from magnum import objects
from magnum.tests import base
from magnum.tests.unit.db import utils
from magnum.tests.unit.objects import utils as obj_utils
class MonitorsTestCase(base.TestCase):
test_metrics_spec = {
'metric1': {
'unit': 'metric1_unit',
'func': 'metric1_func',
},
'metric2': {
'unit': 'metric2_unit',
'func': 'metric2_func',
},
}
def setUp(self):
super(MonitorsTestCase, self).setUp()
cluster = utils.get_test_cluster(node_addresses=['1.2.3.4'],
api_address='https://5.6.7.8:2376',
master_addresses=['10.0.0.6'])
self.cluster = objects.Cluster(self.context, **cluster)
self.monitor = swarm_monitor.SwarmMonitor(self.context, self.cluster)
self.k8s_monitor = k8s_monitor.K8sMonitor(self.context, self.cluster)
self.mesos_monitor = mesos_monitor.MesosMonitor(self.context,
self.cluster)
p = mock.patch('magnum.conductor.swarm_monitor.SwarmMonitor.'
'metrics_spec', new_callable=mock.PropertyMock)
self.mock_metrics_spec = p.start()
self.mock_metrics_spec.return_value = self.test_metrics_spec
self.addCleanup(p.stop)
def test_create_monitor_success(self):
self.cluster.cluster_template = obj_utils.get_test_cluster_template(
self.context, uuid=self.cluster.cluster_template_id, coe='swarm')
monitor = monitors.create_monitor(self.context, self.cluster)
self.assertIsInstance(monitor, swarm_monitor.SwarmMonitor)
def test_create_monitor_k8s_cluster(self):
self.cluster.cluster_template = obj_utils.get_test_cluster_template(
self.context, uuid=self.cluster.cluster_template_id,
coe='kubernetes')
monitor = monitors.create_monitor(self.context, self.cluster)
self.assertIsInstance(monitor, k8s_monitor.K8sMonitor)
def test_create_monitor_mesos_cluster(self):
self.cluster.cluster_template = obj_utils.get_test_cluster_template(
self.context, uuid=self.cluster.cluster_template_id, coe='mesos')
monitor = monitors.create_monitor(self.context, self.cluster)
self.assertIsInstance(monitor, mesos_monitor.MesosMonitor)
@mock.patch('magnum.common.docker_utils.docker_for_cluster')
def test_swarm_monitor_pull_data_success(self, mock_docker_cluster):
mock_docker = mock.MagicMock()
mock_docker.info.return_value = {'DriverStatus': [[
u' \u2514 Reserved Memory', u'0 B / 1 GiB']]}
mock_docker.containers.return_value = [mock.MagicMock()]
mock_docker.inspect_container.return_value = 'test_container'
mock_docker_cluster.return_value.__enter__.return_value = mock_docker
self.monitor.pull_data()
self.assertEqual([{'MemTotal': 1073741824.0}],
self.monitor.data['nodes'])
self.assertEqual(['test_container'], self.monitor.data['containers'])
@mock.patch('magnum.common.docker_utils.docker_for_cluster')
def test_swarm_monitor_pull_data_raise(self, mock_docker_cluster):
mock_container = mock.MagicMock()
mock_docker = mock.MagicMock()
mock_docker.info.return_value = {'DriverStatus': [[
u' \u2514 Reserved Memory', u'0 B / 1 GiB']]}
mock_docker.containers.return_value = [mock_container]
mock_docker.inspect_container.side_effect = Exception("inspect error")
mock_docker_cluster.return_value.__enter__.return_value = mock_docker
self.monitor.pull_data()
self.assertEqual([{'MemTotal': 1073741824.0}],
self.monitor.data['nodes'])
self.assertEqual([mock_container], self.monitor.data['containers'])
def test_swarm_monitor_get_metric_names(self):
names = self.monitor.get_metric_names()
self.assertEqual(sorted(['metric1', 'metric2']), sorted(names))
def test_swarm_monitor_get_metric_unit(self):
unit = self.monitor.get_metric_unit('metric1')
self.assertEqual('metric1_unit', unit)
def test_swarm_monitor_compute_metric_value(self):
mock_func = mock.MagicMock()
mock_func.return_value = 'metric1_value'
self.monitor.metric1_func = mock_func
value = self.monitor.compute_metric_value('metric1')
self.assertEqual('metric1_value', value)
def test_swarm_monitor_compute_memory_util(self):
test_data = {
'nodes': [
{
'Name': 'node',
'MemTotal': 20,
},
],
'containers': [
{
'Name': 'container',
'HostConfig': {
'Memory': 10,
},
},
],
}
self.monitor.data = test_data
mem_util = self.monitor.compute_memory_util()
self.assertEqual(50, mem_util)
test_data = {
'nodes': [],
'containers': [],
}
self.monitor.data = test_data
mem_util = self.monitor.compute_memory_util()
self.assertEqual(0, mem_util)
@mock.patch('magnum.conductor.k8s_api.create_k8s_api')
def test_k8s_monitor_pull_data_success(self, mock_k8s_api):
mock_nodes = mock.MagicMock()
mock_node = mock.MagicMock()
mock_node.status = mock.MagicMock()
mock_node.status.capacity = "{'memory': '2000Ki', 'cpu': '1'}"
mock_nodes.items = [mock_node]
mock_k8s_api.return_value.list_namespaced_node.return_value = (
mock_nodes)
mock_pods = mock.MagicMock()
mock_pod = mock.MagicMock()
mock_pod.spec = mock.MagicMock()
mock_container = mock.MagicMock()
mock_container.resources = mock.MagicMock()
mock_container.resources.limits = "{'memory': '100Mi', 'cpu': '500m'}"
mock_pod.spec.containers = [mock_container]
mock_pods.items = [mock_pod]
mock_k8s_api.return_value.list_namespaced_pod.return_value = mock_pods
self.k8s_monitor.pull_data()
self.assertEqual(self.k8s_monitor.data['nodes'],
[{'Memory': 2048000.0, 'Cpu': 1}])
self.assertEqual(self.k8s_monitor.data['pods'],
[{'Memory': 104857600.0, 'Cpu': 0.5}])
def test_k8s_monitor_get_metric_names(self):
k8s_metric_spec = 'magnum.conductor.k8s_monitor.K8sMonitor.'\
'metrics_spec'
with mock.patch(k8s_metric_spec,
new_callable=mock.PropertyMock) as mock_k8s_metric:
mock_k8s_metric.return_value = self.test_metrics_spec
names = self.k8s_monitor.get_metric_names()
self.assertEqual(sorted(['metric1', 'metric2']), sorted(names))
def test_k8s_monitor_get_metric_unit(self):
k8s_metric_spec = 'magnum.conductor.k8s_monitor.K8sMonitor.' \
'metrics_spec'
with mock.patch(k8s_metric_spec,
new_callable=mock.PropertyMock) as mock_k8s_metric:
mock_k8s_metric.return_value = self.test_metrics_spec
unit = self.k8s_monitor.get_metric_unit('metric1')
self.assertEqual('metric1_unit', unit)
def test_k8s_monitor_compute_memory_util(self):
test_data = {
'nodes': [
{
'Memory': 20,
},
],
'pods': [
{
'Memory': 10,
},
],
}
self.k8s_monitor.data = test_data
mem_util = self.k8s_monitor.compute_memory_util()
self.assertEqual(50, mem_util)
test_data = {
'nodes': [],
'pods': [],
}
self.k8s_monitor.data = test_data
mem_util = self.k8s_monitor.compute_memory_util()
self.assertEqual(0, mem_util)
def test_k8s_monitor_compute_cpu_util(self):
test_data = {
'nodes': [
{
'Cpu': 1,
},
],
'pods': [
{
'Cpu': 0.5,
},
],
}
self.k8s_monitor.data = test_data
cpu_util = self.k8s_monitor.compute_cpu_util()
self.assertEqual(50, cpu_util)
test_data = {
'nodes': [],
'pods': [],
}
self.k8s_monitor.data = test_data
cpu_util = self.k8s_monitor.compute_cpu_util()
self.assertEqual(0, cpu_util)
def _test_mesos_monitor_pull_data(
self, mock_url_get, state_json, expected_mem_total,
expected_mem_used, expected_cpu_total, expected_cpu_used):
state_json = jsonutils.dumps(state_json)
mock_url_get.return_value = state_json
self.mesos_monitor.pull_data()
self.assertEqual(self.mesos_monitor.data['mem_total'],
expected_mem_total)
self.assertEqual(self.mesos_monitor.data['mem_used'],
expected_mem_used)
self.assertEqual(self.mesos_monitor.data['cpu_total'],
expected_cpu_total)
self.assertEqual(self.mesos_monitor.data['cpu_used'],
expected_cpu_used)
@mock.patch('magnum.common.urlfetch.get')
def test_mesos_monitor_pull_data_success(self, mock_url_get):
state_json = {
'leader': 'master@10.0.0.6:5050',
'pid': 'master@10.0.0.6:5050',
'slaves': [{
'resources': {
'mem': 100,
'cpus': 1,
},
'used_resources': {
'mem': 50,
'cpus': 0.2,
}
}]
}
self._test_mesos_monitor_pull_data(mock_url_get, state_json,
100, 50, 1, 0.2)
@mock.patch('magnum.common.urlfetch.get')
def test_mesos_monitor_pull_data_success_not_leader(self, mock_url_get):
state_json = {
'leader': 'master@10.0.0.6:5050',
'pid': 'master@1.1.1.1:5050',
'slaves': []
}
self._test_mesos_monitor_pull_data(mock_url_get, state_json,
0, 0, 0, 0)
@mock.patch('magnum.common.urlfetch.get')
def test_mesos_monitor_pull_data_success_no_master(self, mock_url_get):
self.cluster.master_addresses = []
self._test_mesos_monitor_pull_data(mock_url_get, {}, 0, 0, 0, 0)
def test_mesos_monitor_get_metric_names(self):
mesos_metric_spec = 'magnum.conductor.mesos_monitor.MesosMonitor.'\
'metrics_spec'
with mock.patch(mesos_metric_spec,
new_callable=mock.PropertyMock) as mock_mesos_metric:
mock_mesos_metric.return_value = self.test_metrics_spec
names = self.mesos_monitor.get_metric_names()
self.assertEqual(sorted(['metric1', 'metric2']), sorted(names))
def test_mesos_monitor_get_metric_unit(self):
mesos_metric_spec = 'magnum.conductor.mesos_monitor.MesosMonitor.' \
'metrics_spec'
with mock.patch(mesos_metric_spec,
new_callable=mock.PropertyMock) as mock_mesos_metric:
mock_mesos_metric.return_value = self.test_metrics_spec
unit = self.mesos_monitor.get_metric_unit('metric1')
self.assertEqual('metric1_unit', unit)
def test_mesos_monitor_compute_memory_util(self):
test_data = {
'mem_total': 100,
'mem_used': 50
}
self.mesos_monitor.data = test_data
mem_util = self.mesos_monitor.compute_memory_util()
self.assertEqual(50, mem_util)
test_data = {
'mem_total': 0,
'pods': 0,
}
self.mesos_monitor.data = test_data
mem_util = self.mesos_monitor.compute_memory_util()
self.assertEqual(0, mem_util)
test_data = {
'mem_total': 100,
'mem_used': 0,
'pods': 0,
}
self.mesos_monitor.data = test_data
mem_util = self.mesos_monitor.compute_memory_util()
self.assertEqual(0, mem_util)
def test_mesos_monitor_compute_cpu_util(self):
test_data = {
'cpu_total': 1,
'cpu_used': 0.2,
}
self.mesos_monitor.data = test_data
cpu_util = self.mesos_monitor.compute_cpu_util()
self.assertEqual(20, cpu_util)
test_data = {
'cpu_total': 100,
'cpu_used': 0,
}
self.mesos_monitor.data = test_data
cpu_util = self.mesos_monitor.compute_cpu_util()
self.assertEqual(0, cpu_util)
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