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#!/usr/bin/env python
# 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.
#
# Unittest for yardstick.network_services.vnf_generic.vnf.test_base
from __future__ import absolute_import
import unittest
import os
import mock
from multiprocessing import Queue
from yardstick.network_services.vnf_generic.vnf.base import \
QueueFileWrapper, GenericVNF, GenericTrafficGen
from yardstick.ssh import SSH
IP_PIPELINE_CFG_FILE_TPL = """
arp_route_tbl = ({port0_local_ip_hex},{port0_netmask_hex},1,"""
"""{port1_local_ip_hex}) ({port1_local_ip_hex},{port1_netmask_hex},0,"""
"""{port0_local_ip_hex})"""
IP_PIPELINE_ND_CFG_FILE_TPL = """
nd_route_tbl = ({port1_dst_ip_hex6},"""
"""{port1_dst_netmask_hex6},1,{port1_dst_ip_hex6})"""
_LOCAL_OBJECT = object()
class FileAbsPath(object):
def __init__(self, module_file):
super(FileAbsPath, self).__init__()
self.module_path = os.path.dirname(os.path.abspath(module_file))
def get_path(self, filename):
file_path = os.path.join(self.module_path, filename)
return file_path
def mock_ssh(mock_ssh_type, spec=None, exec_result=_LOCAL_OBJECT, run_result=_LOCAL_OBJECT):
if spec is None:
spec = SSH
if exec_result is _LOCAL_OBJECT:
exec_result = 0, "", ""
if run_result is _LOCAL_OBJECT:
run_result = 0, "", ""
mock_ssh_instance = mock.Mock(autospec=spec)
mock_ssh_instance._get_client.return_value = mock.Mock()
mock_ssh_instance.execute.return_value = exec_result
mock_ssh_instance.run.return_value = run_result
mock_ssh_type.from_node.return_value = mock_ssh_instance
return mock_ssh_instance
class TestQueueFileWrapper(unittest.TestCase):
def setUp(self):
self.prompt = "pipeline>"
self.q_in = Queue()
self.q_out = Queue()
def test___init__(self):
queue_file_wrapper = \
QueueFileWrapper(self.q_in, self.q_out, self.prompt)
self.assertEqual(queue_file_wrapper.prompt, self.prompt)
def test_clear(self):
queue_file_wrapper = \
QueueFileWrapper(self.q_in, self.q_out, self.prompt)
queue_file_wrapper.bufsize = 5
queue_file_wrapper.write("pipeline>")
queue_file_wrapper.close()
self.assertIsNone(queue_file_wrapper.clear())
self.assertIsNotNone(queue_file_wrapper.q_out.empty())
def test_close(self):
queue_file_wrapper = \
QueueFileWrapper(self.q_in, self.q_out, self.prompt)
self.assertEqual(None, queue_file_wrapper.close())
def test_read(self):
queue_file_wrapper = \
QueueFileWrapper(self.q_in, self.q_out, self.prompt)
queue_file_wrapper.q_in.put("pipeline>")
self.assertEqual("pipeline>", queue_file_wrapper.read(20))
def test_write(self):
queue_file_wrapper = \
QueueFileWrapper(self.q_in, self.q_out, self.prompt)
queue_file_wrapper.write("pipeline>")
self.assertIsNotNone(queue_file_wrapper.q_out.empty())
class TestGenericVNF(unittest.TestCase):
VNFD_0 = {
'short-name': 'VpeVnf',
'vdu': [
{
'routing_table': [
{
'network': '152.16.100.20',
'netmask': '255.255.255.0',
'gateway': '152.16.100.20',
'if': 'xe0'
},
{
'network': '152.16.40.20',
'netmask': '255.255.255.0',
'gateway': '152.16.40.20',
'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': '00:00:00:00:00:03',
'vpci': '0000:05:00.0',
'local_ip': '152.16.100.19',
'type': 'PCI-PASSTHROUGH',
'netmask': '255.255.255.0',
'dpdk_port_num': 0,
'bandwidth': '10 Gbps',
'dst_ip': '152.16.100.20',
'local_mac': '00:00:00:00:00:01'
},
'vnfd-connection-point-ref': 'xe0',
'name': 'xe0'
},
{
'virtual-interface': {
'dst_mac': '00:00:00:00:00:04',
'vpci': '0000:05:00.1',
'local_ip': '152.16.40.19',
'type': 'PCI-PASSTHROUGH',
'netmask': '255.255.255.0',
'dpdk_port_num': 1,
'bandwidth': '10 Gbps',
'dst_ip': '152.16.40.20',
'local_mac': '00:00:00:00:00:02'
},
'vnfd-connection-point-ref': 'xe1',
'name': 'xe1'
},
],
},
],
'description': 'Vpe approximation using DPDK',
'mgmt-interface': {
'vdu-id': 'vpevnf-baremetal',
'host': '1.1.1.1',
'password': 'r00t',
'user': 'root',
'ip': '1.1.1.1'
},
'benchmark': {
'kpi': [
'packets_in',
'packets_fwd',
'packets_dropped',
],
},
'connection-point': [
{
'type': 'VPORT',
'name': 'xe0',
},
{
'type': 'VPORT',
'name': 'xe1',
},
],
'id': 'VpeApproxVnf', 'name': 'VPEVnfSsh'
}
VNFD = {
'vnfd:vnfd-catalog': {
'vnfd': [
VNFD_0,
]
}
}
def test___init__(self):
generic_vnf = GenericVNF('vnf1', self.VNFD_0)
assert generic_vnf.kpi
def test_collect_kpi(self):
generic_vnf = GenericVNF('vnf1', self.VNFD_0)
self.assertRaises(NotImplementedError, generic_vnf.collect_kpi)
def test__get_kpi_definition(self):
vnfd = self.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
generic_vnf = GenericVNF('vnf1', vnfd)
kpi = generic_vnf._get_kpi_definition()
self.assertEqual(kpi, ['packets_in', 'packets_fwd', 'packets_dropped'])
def test_instantiate(self):
generic_vnf = GenericVNF('vnf1', self.VNFD['vnfd:vnfd-catalog']['vnfd'][0])
with self.assertRaises(NotImplementedError):
generic_vnf.instantiate({}, {})
def test_scale(self):
generic_vnf = GenericVNF('vnf1', self.VNFD['vnfd:vnfd-catalog']['vnfd'][0])
with self.assertRaises(NotImplementedError):
generic_vnf.scale()
def test_terminate(self):
generic_vnf = GenericVNF('vnf1', self.VNFD['vnfd:vnfd-catalog']['vnfd'][0])
with self.assertRaises(NotImplementedError):
generic_vnf.terminate()
class TestGenericTrafficGen(unittest.TestCase):
def test_definition(self):
"""Make sure that the abstract class cannot be instantiated"""
vnfd = TestGenericVNF.VNFD['vnfd:vnfd-catalog']['vnfd'][0]
name = 'vnf1'
with self.assertRaises(TypeError) as exc:
GenericTrafficGen(name, vnfd)
msg = ("Can't instantiate abstract class GenericTrafficGen with "
"abstract methods run_traffic, terminate")
self.assertEqual(msg, str(exc.exception))
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