A common library that interfaces with VMware NSX.
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# Copyright (c) 2015 VMware, 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 copy
from unittest import mock
from oslo_log import log
from vmware_nsxlib.tests.unit.v3 import nsxlib_testcase
from vmware_nsxlib.tests.unit.v3 import test_constants
from vmware_nsxlib.v3 import nsx_constants
LOG = log.getLogger(__name__)
class NsxLibQosTestCase(nsxlib_testcase.NsxClientTestCase):
def _body(self, qos_marking=None, dscp=None,
description=test_constants.FAKE_NAME):
body = {
"resource_type": "QosSwitchingProfile",
"tags": []
}
if qos_marking:
body = self.nsxlib.qos_switching_profile._update_dscp_in_args(
body, qos_marking, dscp)
body["display_name"] = test_constants.FAKE_NAME
body["description"] = description
return body
def _body_with_shaping(self, shaping_enabled=False,
burst_size=None,
peak_bandwidth=None,
average_bandwidth=None,
description=test_constants.FAKE_NAME,
qos_marking=None,
dscp=0, direction=nsx_constants.EGRESS,
body=None):
if body is None:
body = copy.deepcopy(test_constants.FAKE_QOS_PROFILE)
body["display_name"] = test_constants.FAKE_NAME
body["description"] = description
resource_type = (nsx_constants.EGRESS_SHAPING
if direction == nsx_constants.EGRESS
else nsx_constants.INGRESS_SHAPING)
for shaper in body["shaper_configuration"]:
if shaper["resource_type"] == resource_type:
shaper["enabled"] = shaping_enabled
if burst_size:
shaper["burst_size_bytes"] = burst_size
if peak_bandwidth:
shaper["peak_bandwidth_mbps"] = peak_bandwidth
if average_bandwidth:
shaper["average_bandwidth_mbps"] = average_bandwidth
break
if qos_marking:
body = self.nsxlib.qos_switching_profile._update_dscp_in_args(
body, qos_marking, dscp)
return body
def test_create_qos_switching_profile(self):
"""Test creating a qos-switching profile
returns the correct response
"""
with mock.patch.object(self.nsxlib.client, 'create') as create:
self.nsxlib.qos_switching_profile.create(
tags=[],
name=test_constants.FAKE_NAME,
description=test_constants.FAKE_NAME)
create.assert_called_with(
'switching-profiles', self._body())
def test_update_qos_switching_profile(self):
"""Test updating a qos-switching profile
returns the correct response
"""
original_profile = self._body()
new_description = "Test"
with mock.patch.object(self.nsxlib.client, 'get',
return_value=original_profile):
with mock.patch.object(self.nsxlib.client, 'update') as update:
# update the description of the profile
self.nsxlib.qos_switching_profile.update(
test_constants.FAKE_QOS_PROFILE['id'],
tags=[],
description=new_description)
update.assert_called_with(
'switching-profiles/%s'
% test_constants.FAKE_QOS_PROFILE['id'],
self._body(description=new_description),
headers=None)
def _enable_qos_switching_profile_shaping(
self, direction=nsx_constants.EGRESS, new_burst_size=100):
"""Test updating a qos-switching profile
returns the correct response
"""
original_burst = 10
original_profile = self._body_with_shaping(direction=direction,
burst_size=original_burst)
peak_bandwidth = 200
average_bandwidth = 300
qos_marking = "untrusted"
dscp = 10
with mock.patch.object(self.nsxlib.client, 'get',
return_value=original_profile):
with mock.patch.object(self.nsxlib.client, 'update') as update:
# update the bw shaping of the profile
self.nsxlib.qos_switching_profile.update_shaping(
test_constants.FAKE_QOS_PROFILE['id'],
shaping_enabled=True,
burst_size=new_burst_size,
peak_bandwidth=peak_bandwidth,
average_bandwidth=average_bandwidth,
qos_marking=qos_marking,
dscp=dscp, direction=direction)
actual_body = copy.deepcopy(update.call_args[0][1])
actual_path = update.call_args[0][0]
expected_path = ('switching-profiles/%s' %
test_constants.FAKE_QOS_PROFILE['id'])
expected_burst = (new_burst_size if new_burst_size is not None
else original_burst)
expected_body = self._body_with_shaping(
shaping_enabled=True,
burst_size=expected_burst,
peak_bandwidth=peak_bandwidth,
average_bandwidth=average_bandwidth,
qos_marking="untrusted", dscp=10,
direction=direction)
self.assertEqual(expected_path, actual_path)
self.assertEqual(expected_body, actual_body)
def test_enable_qos_switching_profile_egress_shaping(self):
self._enable_qos_switching_profile_shaping(
direction=nsx_constants.EGRESS)
def test_enable_qos_switching_profile_ingress_shaping(self):
self._enable_qos_switching_profile_shaping(
direction=nsx_constants.INGRESS)
def test_update_qos_switching_profile_with_burst_size(self):
self._enable_qos_switching_profile_shaping(
direction=nsx_constants.EGRESS, new_burst_size=101)
def test_update_qos_switching_profile_without_burst_size(self):
self._enable_qos_switching_profile_shaping(
direction=nsx_constants.EGRESS, new_burst_size=None)
def test_update_qos_switching_profile_zero_burst_size(self):
self._enable_qos_switching_profile_shaping(
direction=nsx_constants.EGRESS, new_burst_size=0)
def _disable_qos_switching_profile_shaping(
self, direction=nsx_constants.EGRESS):
"""Test updating a qos-switching profile.
Returns the correct response
"""
burst_size = 100
peak_bandwidth = 200
average_bandwidth = 300
original_profile = self._body_with_shaping(
shaping_enabled=True,
burst_size=burst_size,
peak_bandwidth=peak_bandwidth,
average_bandwidth=average_bandwidth,
qos_marking="untrusted",
dscp=10, direction=direction)
with mock.patch.object(self.nsxlib.client, 'get',
return_value=original_profile):
with mock.patch.object(self.nsxlib.client, 'update') as update:
# update the bw shaping of the profile
self.nsxlib.qos_switching_profile.update_shaping(
test_constants.FAKE_QOS_PROFILE['id'],
shaping_enabled=False, qos_marking="trusted",
direction=direction)
actual_body = copy.deepcopy(update.call_args[0][1])
actual_path = update.call_args[0][0]
expected_path = ('switching-profiles/%s' %
test_constants.FAKE_QOS_PROFILE['id'])
expected_body = self._body_with_shaping(qos_marking="trusted",
direction=direction)
self.assertEqual(expected_path, actual_path)
self.assertEqual(expected_body, actual_body)
def test_disable_qos_switching_profile_egress_shaping(self):
self._disable_qos_switching_profile_shaping(
direction=nsx_constants.EGRESS)
def test_disable_qos_switching_profile_ingress_shaping(self):
self._disable_qos_switching_profile_shaping(
direction=nsx_constants.INGRESS)
def test_delete_qos_switching_profile(self):
"""Test deleting qos-switching-profile"""
with mock.patch.object(self.nsxlib.client, 'delete') as delete:
self.nsxlib.qos_switching_profile.delete(
test_constants.FAKE_QOS_PROFILE['id'])
delete.assert_called_with(
'switching-profiles/%s'
% test_constants.FAKE_QOS_PROFILE['id'],
headers=None)
def test_qos_switching_profile_set_shaping(self):
"""Test updating a qos-switching profile
returns the correct response
"""
egress_peak_bandwidth = 200
egress_average_bandwidth = 300
egress_burst_size = 500
ingress_peak_bandwidth = 100
ingress_average_bandwidth = 400
ingress_burst_size = 600
qos_marking = "untrusted"
dscp = 10
original_profile = self._body_with_shaping()
with mock.patch.object(self.nsxlib.client, 'get',
return_value=original_profile):
with mock.patch.object(self.nsxlib.client, 'update') as update:
# update the bw shaping of the profile
self.nsxlib.qos_switching_profile.set_profile_shaping(
test_constants.FAKE_QOS_PROFILE['id'],
ingress_bw_enabled=True,
ingress_burst_size=ingress_burst_size,
ingress_peak_bandwidth=ingress_peak_bandwidth,
ingress_average_bandwidth=ingress_average_bandwidth,
egress_bw_enabled=True,
egress_burst_size=egress_burst_size,
egress_peak_bandwidth=egress_peak_bandwidth,
egress_average_bandwidth=egress_average_bandwidth,
qos_marking=qos_marking,
dscp=dscp)
actual_body = copy.deepcopy(update.call_args[0][1])
actual_path = update.call_args[0][0]
expected_path = ('switching-profiles/%s' %
test_constants.FAKE_QOS_PROFILE['id'])
expected_body = self._body_with_shaping(
shaping_enabled=True,
burst_size=egress_burst_size,
peak_bandwidth=egress_peak_bandwidth,
average_bandwidth=egress_average_bandwidth,
qos_marking="untrusted", dscp=10,
direction=nsx_constants.EGRESS)
# Add the other direction to the body
expected_body = self._body_with_shaping(
shaping_enabled=True,
burst_size=ingress_burst_size,
peak_bandwidth=ingress_peak_bandwidth,
average_bandwidth=ingress_average_bandwidth,
direction=nsx_constants.INGRESS,
body=expected_body)
self.assertEqual(expected_path, actual_path)
self.assertEqual(expected_body, actual_body)