160 lines
6.4 KiB
Python

# Copyright 2016 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.
import six
import xml.etree.ElementTree as ET
from oslo_log import log as logging
from tempest.api.compute import base
from tempest.common import waiters
from tempest import config
from whitebox_tempest_plugin.services import clients
from whitebox_tempest_plugin import utils as whitebox_utils
CONF = config.CONF
LOG = logging.getLogger(__name__)
class BaseWhiteboxComputeTest(base.BaseV2ComputeAdminTest):
@classmethod
def setup_clients(cls):
super(BaseWhiteboxComputeTest, cls).setup_clients()
# TODO(stephenfin): Rewrite tests to use 'admin_servers_client' etc.
cls.servers_client = cls.os_admin.servers_client
cls.flavors_client = cls.os_admin.flavors_client
cls.service_client = cls.os_admin.services_client
cls.image_client = cls.os_admin.image_client_v2
cls.admin_migration_client = cls.os_admin.migrations_client
def create_test_server(self, wait_until='ACTIVE', *args, **kwargs):
# override the function to return the admin view of the created server
server = super(BaseWhiteboxComputeTest, self).create_test_server(
*args, wait_until=wait_until, **kwargs)
return self.admin_servers_client.show_server(server['id'])['server']
def create_flavor(self, ram=64, vcpus=2,
disk=CONF.whitebox.flavor_volume_size, name=None,
is_public='True', extra_specs=None, **kwargs):
flavor = super(BaseWhiteboxComputeTest, self).create_flavor(
ram, vcpus, disk, name, is_public, **kwargs)
if extra_specs:
self.flavors_client.set_flavor_extra_spec(flavor['id'],
**extra_specs)
return flavor
def resize_server(self, server_id, new_flavor_id, **kwargs):
# override the function to return the resized server
# TODO(stephenfin): Add this to upstream
super(BaseWhiteboxComputeTest, self).resize_server(
server_id, new_flavor_id, **kwargs)
return self.servers_client.show_server(server_id)['server']
def reboot_server(self, server_id, reboot_type):
# TODO(stephenfin): Add this to upstream
self.servers_client.reboot_server(server_id, type=reboot_type)
waiters.wait_for_server_status(self.servers_client, server_id,
'ACTIVE')
return self.servers_client.show_server(server_id)['server']
def copy_default_image(self, **kwargs):
"""Creates a new image by downloading the default image's bits and
uploading them to a new image. Any kwargs are set as image properties
on the new image.
:return image_id: The UUID of the newly created image.
"""
image = self.image_client.show_image(CONF.compute.image_ref)
image_data = self.image_client.show_image_file(
CONF.compute.image_ref).data
image_file = six.BytesIO(image_data)
create_dict = {
'container_format': image['container_format'],
'disk_format': image['disk_format'],
'min_disk': image['min_disk'],
'min_ram': image['min_ram'],
'visibility': 'public',
}
create_dict.update(kwargs)
new_image = self.image_client.create_image(**create_dict)
self.addCleanup(self.image_client.delete_image, new_image['id'])
self.image_client.store_image_file(new_image['id'], image_file)
return new_image['id']
def list_compute_hosts(self):
"""Returns a list of all nova-compute hostnames in the deployment.
Assumes all are up and running.
"""
binary_name = 'nova-compute'
services = \
self.service_client.list_services(binary=binary_name)['services']
return [service['host'] for service in services]
def get_server_xml(self, server_id):
server = self.servers_client.show_server(server_id)
host = server['server']['OS-EXT-SRV-ATTR:host']
cntrlplane_addr = whitebox_utils.get_ctlplane_address(host)
server_instance_name = self.servers_client.show_server(
server_id)['server']['OS-EXT-SRV-ATTR:instance_name']
virshxml = clients.VirshXMLClient(cntrlplane_addr)
xml = virshxml.dumpxml(server_instance_name)
return ET.fromstring(xml)
def live_migrate(self, server_id, target_host, state):
self.admin_servers_client.live_migrate_server(
server_id, host=target_host, block_migration='auto')
waiters.wait_for_server_status(self.servers_client, server_id, state)
migration_list = (self.admin_migration_client.list_migrations()
['migrations'])
msg = ("Live Migration failed. Migrations list for Instance "
"%s: [" % server_id)
for live_migration in migration_list:
if (live_migration['instance_uuid'] == server_id):
msg += "\n%s" % live_migration
msg += "]"
self.assertEqual(target_host, self.get_host_for_server(server_id),
msg)
def get_all_cpus(self):
"""Aggregate the dictionary values of [whitebox]/cpu_topology from
tempest.conf into a list of pCPU ids.
"""
topology_dict = CONF.whitebox_hardware.cpu_topology
cpus = []
[cpus.extend(c) for c in topology_dict.values()]
return cpus
def get_pinning_as_set(self, server_id):
pinset = set()
root = self.get_server_xml(server_id)
vcpupins = root.findall('./cputune/vcpupin')
for pin in vcpupins:
pinset |= whitebox_utils.parse_cpu_spec(pin.get('cpuset'))
return pinset
def _get_cpu_spec(self, cpu_list):
"""Returns a libvirt-style CPU spec from the provided list of integers. For
example, given [0, 2, 3], returns "0,2,3".
"""
return ','.join(map(str, cpu_list))