whitebox-tempest-plugin/whitebox_tempest_plugin/api/compute/base.py

159 lines
6.6 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 import exceptions
from whitebox_tempest_plugin.services import clients
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, *args, **kwargs):
# override the function to return the admin view of the created server
kwargs['wait_until'] = 'ACTIVE'
server = super(BaseWhiteboxComputeTest, self).create_test_server(
*args, **kwargs)
return self.admin_servers_client.show_server(server['id'])['server']
def create_flavor(self, ram=64, vcpus=2, disk=1, 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 get_ctlplane_address(self, compute_hostname):
"""Return the appropriate host address depending on a deployment.
In TripleO deployments the Undercloud does not have DNS entries for
the compute hosts. This method checks if there are 'DNS' mappings of
the provided hostname to its control plane IP address and returns it.
For Devstack deployments, no such parameters will exist and the method
will just return compute_hostname
:param compute_hostname: str the compute hostname
:return: The address to be used to access the compute host. For
devstack deployments, this is compute_host itself. For
TripleO, it needs to be looked up in the configuration.
"""
if not CONF.whitebox.ctlplane_addresses:
return compute_hostname
if compute_hostname in CONF.whitebox.ctlplane_addresses:
return CONF.whitebox.ctlplane_addresses[compute_hostname]
raise exceptions.CtrlplaneAddressResolutionError(host=compute_hostname)
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 = self.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)