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# Copyright (c) 2016-2017 Intel Corporation
#
# 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 errno
import mock
import unittest
from yardstick.network_services.nfvi.resource import ResourceProfile
from yardstick.network_services.nfvi import resource, collectd
from yardstick.common.exceptions import ResourceCommandError
from yardstick.common.exceptions import SSHError
class TestResourceProfile(unittest.TestCase):
VNFD = {'vnfd:vnfd-catalog':
{'vnfd':
[{'short-name': 'VpeVnf',
'vdu':
[{'routing_table':
[{'network': '172.16.100.20',
'netmask': '255.255.255.0',
'gateway': '172.16.100.20',
'if': 'xe0'},
{'network': '172.16.40.20',
'netmask': '255.255.255.0',
'gateway': '172.16.40.20',
'if': 'xe1'}],
'description': 'VPE approximation using DPDK',
'name': 'vpevnf-baremetal',
'nd_route_tbl':
[{'network': '0064:ff9b:0:0:0:0:9810:6414',
'netmask': '112',
'gateway': '0064:ff9b:0:0:0:0:9810:6414',
'if': 'xe0'},
{'network': '0064:ff9b:0:0:0:0:9810:2814',
'netmask': '112',
'gateway': '0064:ff9b:0:0:0:0:9810:2814',
'if': 'xe1'}],
'id': 'vpevnf-baremetal',
'external-interface':
[{'virtual-interface':
{'dst_mac': '3c:fd:fe:9e:64:38',
'vpci': '0000:05:00.0',
'local_ip': '172.16.100.19',
'type': 'PCI-PASSTHROUGH',
'netmask': '255.255.255.0',
'dpdk_port_num': 0,
'bandwidth': '10 Gbps',
'dst_ip': '172.16.100.20',
'local_mac': '3c:fd:fe:a1:2b:80'},
'vnfd-connection-point-ref': 'xe0',
'name': 'xe0'},
{'virtual-interface':
{'dst_mac': '00:1e:67:d0:60:5c',
'vpci': '0000:05:00.1',
'local_ip': '172.16.40.19',
'type': 'PCI-PASSTHROUGH',
'netmask': '255.255.255.0',
'dpdk_port_num': 1,
'bandwidth': '10 Gbps',
'dst_ip': '172.16.40.20',
'local_mac': '3c:fd:fe:a1:2b:81'},
'vnfd-connection-point-ref': 'xe1',
'name': 'xe1'}]}],
'description': 'Vpe approximation using DPDK',
'mgmt-interface':
{'vdu-id': 'vpevnf-baremetal',
'host': '127.0.0.1',
'password': 'r00t',
'user': 'root',
'ip': '127.0.0.1'},
'benchmark':
{'kpi': ['packets_in', 'packets_fwd', 'packets_dropped']},
'connection-point': [{'type': 'VPORT', 'name': 'xe0'},
{'type': 'VPORT', 'name': 'xe1'}],
'id': 'VpeApproxVnf', 'name': 'VPEVnfSsh'}]}}
def setUp(self):
with mock.patch("yardstick.ssh.AutoConnectSSH") as ssh:
self.ssh_mock = mock.Mock(autospec=ssh.SSH)
self.ssh_mock.execute = \
mock.Mock(return_value=(0, "", ""))
ssh.from_node.return_value = self.ssh_mock
mgmt = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]['mgmt-interface']
# interfaces = \
# self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]['vdu'][0]['external-interface']
port_names = \
self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]['vdu'][0]['external-interface']
self.resource_profile = \
ResourceProfile(mgmt, port_names)
self.resource_profile.connection = self.ssh_mock
def test___init__(self):
self.assertTrue(self.resource_profile.enable)
def test_check_if_system_agent_running(self):
self.assertEqual(self.resource_profile.check_if_system_agent_running("collectd"),
(0, ""))
def test_check_if_system_agent_running_excetion(self):
with mock.patch.object(self.resource_profile.connection, "execute") as mock_execute:
mock_execute.side_effect = OSError(errno.ECONNRESET, "error")
self.assertEqual(
self.resource_profile.check_if_system_agent_running("collectd"),
(1, None))
def test_get_cpu_data(self):
reskey = ["", "cpufreq", "cpufreq-0"]
value = "metric:10"
val = self.resource_profile.get_cpu_data(reskey[1], reskey[2], value)
self.assertIsNotNone(val)
def test_get_cpu_data_error(self):
reskey = ["", "", ""]
value = "metric:10"
val = self.resource_profile.get_cpu_data(reskey[0], reskey[1], value)
self.assertEqual(val, ('error', 'Invalid', '', ''))
def test__start_collectd(self):
ssh_mock = mock.Mock()
ssh_mock.execute = mock.Mock(return_value=(0, "", ""))
self.assertIsNone(self.resource_profile._start_collectd(ssh_mock,
"/opt/nsb_bin"))
ssh_mock.execute = mock.Mock(side_effect=SSHError)
with self.assertRaises(SSHError):
self.resource_profile._start_collectd(ssh_mock, "/opt/nsb_bin")
ssh_mock.execute = mock.Mock(return_value=(1, "", ""))
self.assertIsNone(self.resource_profile._start_collectd(ssh_mock,
"/opt/nsb_bin"))
def test__start_rabbitmq(self):
ssh_mock = mock.Mock()
ssh_mock.execute = mock.Mock(return_value=(0, "RabbitMQ", ""))
self.assertIsNone(self.resource_profile._start_rabbitmq(ssh_mock))
ssh_mock.execute = mock.Mock(return_value=(0, "", ""))
with self.assertRaises(ResourceCommandError):
self.resource_profile._start_rabbitmq(ssh_mock)
ssh_mock.execute = mock.Mock(return_value=(1, "", ""))
with self.assertRaises(ResourceCommandError):
self.resource_profile._start_rabbitmq(ssh_mock)
def test__prepare_collectd_conf(self):
self.assertIsNone(
self.resource_profile._prepare_collectd_conf("/opt/nsb_bin"))
def test__setup_ovs_stats(self):
# TODO(elfoley): This method doesn't actually return anything, the side
# effects should be checked
self.assertIsNone(
self.resource_profile._setup_ovs_stats(self.ssh_mock))
def test__provide_config_file(self,):
loadplugin = range(5)
port_names = range(5)
kwargs = {
"interval": '25',
"loadplugin": loadplugin,
"port_names": port_names,
}
self.resource_profile._provide_config_file("/opt/nsb_bin", "collectd.conf", kwargs)
self.ssh_mock.execute.assert_called_once()
def test_initiate_systemagent(self):
self.resource_profile._start_collectd = mock.Mock()
self.resource_profile._start_rabbitmq = mock.Mock()
self.assertIsNone(
self.resource_profile.initiate_systemagent("/opt/nsb_bin"))
def test_initiate_systemagent_raise(self):
self.resource_profile._start_rabbitmq = mock.Mock(side_effect=RuntimeError)
with self.assertRaises(RuntimeError):
self.resource_profile.initiate_systemagent("/opt/nsb_bin")
def test__parse_hugepages(self):
reskey = ["cpu", "cpuFreq"]
value = "timestamp:12345"
res = self.resource_profile.parse_hugepages(reskey, value)
self.assertEqual({'cpu/cpuFreq': '12345'}, res)
def test__parse_dpdkstat(self):
reskey = ["dpdk0", "0"]
value = "tx:12345"
res = self.resource_profile.parse_dpdkstat(reskey, value)
self.assertEqual({'dpdk0/0': '12345'}, res)
def test__parse_virt(self):
reskey = ["vm0", "cpu"]
value = "load:45"
res = self.resource_profile.parse_virt(reskey, value)
self.assertEqual({'vm0/cpu': '45'}, res)
def test__parse_ovs_stats(self):
reskey = ["ovs", "stats"]
value = "tx:45"
res = self.resource_profile.parse_ovs_stats(reskey, value)
self.assertEqual({'ovs/stats': '45'}, res)
def test_parse_collectd_result(self):
res = self.resource_profile.parse_collectd_result({})
expected_result = {'cpu': {}, 'dpdkstat': {}, 'hugepages': {},
'memory': {}, 'ovs_stats': {}, 'timestamp': '',
'virt': {}}
self.assertDictEqual(res, expected_result)
def test_parse_collectd_result_cpu(self):
metric = {"nsb_stats/cpu/0/ipc": "101"}
self.resource_profile.get_cpu_data = mock.Mock(return_value=[1,
"ipc",
"1234",
""])
res = self.resource_profile.parse_collectd_result(metric)
expected_result = {'cpu': {1: {'ipc': '1234'}}, 'dpdkstat': {}, 'hugepages': {},
'memory': {}, 'ovs_stats': {}, 'timestamp': '',
'virt': {}}
self.assertDictEqual(res, expected_result)
def test_parse_collectd_result_memory(self):
metric = {"nsb_stats/memory/bw": "101"}
res = self.resource_profile.parse_collectd_result(metric)
expected_result = {'cpu': {}, 'dpdkstat': {}, 'hugepages': {},
'memory': {'bw': '101'}, 'ovs_stats': {}, 'timestamp': '',
'virt': {}}
self.assertDictEqual(res, expected_result)
def test_parse_collectd_result_hugepage(self):
# amqp returns bytes
metric = {b"nsb_stats/hugepages/free": b"101"}
self.resource_profile.parse_hugepages = mock.Mock(return_value={"free": "101"})
res = self.resource_profile.parse_collectd_result(metric)
expected_result = {'cpu': {}, 'dpdkstat': {}, 'hugepages': {'free': '101'},
'memory': {}, 'ovs_stats': {}, 'timestamp': '',
'virt': {}}
self.assertDictEqual(res, expected_result)
def test_parse_collectd_result_dpdk_virt_ovs(self):
metric = {b"nsb_stats/dpdkstat/tx": b"101",
b"nsb_stats/ovs_stats/tx": b"101",
b"nsb_stats/virt/virt/memory": b"101"}
self.resource_profile.parse_dpdkstat = \
mock.Mock(return_value={"tx": "101"})
self.resource_profile.parse_virt = \
mock.Mock(return_value={"memory": "101"})
self.resource_profile.parse_ovs_stats = \
mock.Mock(return_value={"tx": "101"})
res = self.resource_profile.parse_collectd_result(metric)
expected_result = {'cpu': {}, 'dpdkstat': {'tx': '101'}, 'hugepages': {},
'memory': {}, 'ovs_stats': {'tx': '101'}, 'timestamp': '',
'virt': {'memory': '101'}}
self.assertDictEqual(res, expected_result)
def test_amqp_process_for_nfvi_kpi(self):
self.resource_profile.amqp_client = \
mock.MagicMock(side_effect=[None, mock.MagicMock()])
self.resource_profile.run_collectd_amqp = \
mock.Mock(return_value=0)
res = self.resource_profile.amqp_process_for_nfvi_kpi()
self.assertIsNone(res)
def test_amqp_collect_nfvi_kpi(self):
self.resource_profile.amqp_client = \
mock.MagicMock(side_effect=[None, mock.MagicMock()])
self.resource_profile.run_collectd_amqp = \
mock.Mock(return_value=0)
self.resource_profile.parse_collectd_result = mock.Mock()
res = self.resource_profile.amqp_collect_nfvi_kpi()
self.assertIsNotNone(res)
def test_run_collectd_amqp(self):
resource.AmqpConsumer = mock.Mock(autospec=collectd)
self.assertIsNone(self.resource_profile.run_collectd_amqp())
def test_start(self):
self.assertIsNone(self.resource_profile.start())
def test_stop(self):
self.assertIsNone(self.resource_profile.stop())
def test_stop_amqp_not_running(self):
self.resource_profile.amqp_client = mock.MagicMock()
# TODO(efoley): Fix this incorrect test.
# Should check that we don't try to stop amqp when it's not running
self.assertIsNone(self.resource_profile.stop())
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