openstack/whitebox-tempest-plugin
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Merge "Test file_backed_memory instance resize/live migration operation"

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Zuul 2020-09-10 01:57:02 +00:00 committed by Gerrit Code Review
commit 2deafa4b66
4 changed files with 120 additions and 1 deletions
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1
devstack/plugin.sh
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@ -12,6 +12,7 @@ function configure {
if [ -n "$SMT_HOSTS" ]; then
iniset $TEMPEST_CONFIG whitebox-hardware smt_hosts "$SMT_HOSTS"
fi
iniset $TEMPEST_CONFIG whitebox file_backed_memory_size $WHITEBOX_FILE_BACKED_MEMORY_SIZE
iniset $TEMPEST_CONFIG whitebox-nova-compute config_path "$WHITEBOX_NOVA_COMPUTE_CONFIG_PATH"
iniset $TEMPEST_CONFIG whitebox-nova-compute stop_command "$WHITEBOX_NOVA_COMPUTE_STOP_COMMAND"

1
devstack/settings
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@ -2,6 +2,7 @@ NOVA_FILTERS="$NOVA_FILTERS,NUMATopologyFilter"
WHITEBOX_AVAILABLE_CINDER_STORAGE=${WHITEBOX_AVAILABLE_CINDER_STORAGE:-24}
SMT_HOSTS=${SMT_HOSTS:-''}
WHITEBOX_FILE_BACKED_MEMORY_SIZE=${WHITEBOX_FILE_BACKED_MEMORY_SIZE:-8192}
WHITEBOX_NOVA_COMPUTE_CONFIG_PATH=${WHITEBOX_NOVA_COMPUTE_CONFIG_PATH:-/etc/nova/nova-cpu.conf}
WHITEBOX_NOVA_COMPUTE_STOP_COMMAND=${WHITEBOX_NOVA_COMPUTE_STOP_COMMAND:-'systemctl stop devstack@n-cpu'}

112
whitebox_tempest_plugin/api/compute/test_file_backed_memory.py Normal file
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@ -0,0 +1,112 @@
# Copyright 2020 Red Hat
# All Rights Reserved.
#
# 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.
from tempest import config
from tempest.lib import exceptions as lib_exc
from whitebox_tempest_plugin.api.compute import base
from whitebox_tempest_plugin.services import clients
from whitebox_tempest_plugin import utils as whitebox_utils
CONF = config.CONF
class FileBackedMemory(base.BaseWhiteboxComputeTest):
"""Test the support of file backed memory in resize
and live migration testcase with validating the memory
backed source type and access mode of an instance
"""
min_microversion = '2.25'
size = CONF.whitebox.file_backed_memory_size
@classmethod
def skip_checks(cls):
super(FileBackedMemory, cls).skip_checks()
if not CONF.whitebox.file_backed_memory_size:
raise cls.skipException("file backed memory is not enabled")
if (CONF.compute.min_compute_nodes < 2 or
CONF.whitebox.max_compute_nodes > 2):
raise cls.skipException(
"Need exactly 2 compute nodes,"
"skipping file backed memory tests.")
def setUp(self):
super(FileBackedMemory, self).setUp()
self.new_flavor = self.create_flavor(vcpus=2, ram=256)
def _assert_shared_mode_and_file_type(self, server):
root = self.get_server_xml(server['id'])
source_type = root.find('./memoryBacking/source')
access_mode = root.find('./memoryBacking/access')
self.assertEqual('file', source_type.get('type'))
self.assertEqual('shared', access_mode.get('mode'))
def test_resize_file_backed_server_on_diff_host(self):
host1, host2 = self.list_compute_hosts()
host1_sm = clients.NovaServiceManager(host1, 'nova-compute',
self.os_admin.services_client)
host2_sm = clients.NovaServiceManager(host2, 'nova-compute',
self.os_admin.services_client)
with whitebox_utils.multicontext(
host1_sm.config_options(('libvirt',
'file_backed_memory', self.size),
('DEFAULT',
'ram_allocation_ratio', '1')),
host2_sm.config_options(('libvirt',
'file_backed_memory', self.size),
('DEFAULT',
'ram_allocation_ratio', '1'))
):
server = self.create_test_server()
self._assert_shared_mode_and_file_type(server)
server = self.resize_server(
server['id'], self.new_flavor['id'])
self._assert_shared_mode_and_file_type(server)
def test_live_migrate_file_backed_server(self):
host1, host2 = self.list_compute_hosts()
host1_sm = clients.NovaServiceManager(host1, 'nova-compute',
self.os_admin.services_client)
host2_sm = clients.NovaServiceManager(host2, 'nova-compute',
self.os_admin.services_client)
with whitebox_utils.multicontext(
host1_sm.config_options(('libvirt',
'file_backed_memory', self.size),
('DEFAULT',
'ram_allocation_ratio', '1')),
host2_sm.config_options(('libvirt',
'file_backed_memory', self.size),
('DEFAULT',
'ram_allocation_ratio', '1'))
):
server = self.create_test_server()
self._assert_shared_mode_and_file_type(server)
destination_host = self.get_host_other_than(server['id'])
self.live_migrate(server['id'], destination_host, 'ACTIVE')
self._assert_shared_mode_and_file_type(server)
def test_live_migrate_non_file_backed_host_to_file_backed_host(self):
server_1 = self.create_test_server()
destination_host = self.get_host_other_than(server_1['id'])
host1_sm = clients.NovaServiceManager(destination_host,
'nova-compute',
self.os_admin.services_client)
with host1_sm.config_options(('libvirt',
'file_backed_memory', self.size),
('DEFAULT',
'ram_allocation_ratio', '1')):
self.assertRaises(lib_exc.BadRequest,
self.admin_servers_client.live_migrate_server,
server_1['id'], host=destination_host)

7
whitebox_tempest_plugin/config.py
View File

@ -69,7 +69,12 @@ general_opts = [
default="docker",
choices=["docker", "podman"],
help="Name of the executable running containers. Correct values are"
" 'docker' (default) for osp 12 to 14, and 'podman' starting 15")
" 'docker' (default) for osp 12 to 14, and 'podman' starting 15"),
cfg.IntOpt(
'file_backed_memory_size',
default=0,
help="file_backed_memory size in mb used to set the"
" [libvirt]/file_backed_memory in nova.conf")
]
nova_compute_group = cfg.OptGroup(