tempest/tempest/common/compute.py

126 lines
4.9 KiB
Python

# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
# 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 oslo_log import log as logging
from oslo_utils import excutils
from tempest_lib.common.utils import data_utils
from tempest.common import fixed_network
from tempest.common import waiters
from tempest import config
CONF = config.CONF
LOG = logging.getLogger(__name__)
def create_test_server(clients, validatable, validation_resources=None,
tenant_network=None, **kwargs):
"""Common wrapper utility returning a test server.
This method is a common wrapper returning a test server that can be
pingable or sshable.
:param clients: Client manager which provides Openstack Tempest clients.
:param validatable: Whether the server will be pingable or sshable.
:param validation_resources: Resources created for the connection to the
server. Include a keypair, a security group and an IP.
:returns a tuple
"""
# TODO(jlanoux) add support of wait_until PINGABLE/SSHABLE
if 'name' in kwargs:
name = kwargs.pop('name')
else:
name = data_utils.rand_name(__name__ + "-instance")
flavor = kwargs.get('flavor', CONF.compute.flavor_ref)
image_id = kwargs.get('image_id', CONF.compute.image_ref)
kwargs = fixed_network.set_networks_kwarg(
tenant_network, kwargs) or {}
if CONF.validation.run_validation and validatable:
# As a first implementation, multiple pingable or sshable servers will
# not be supported
if 'min_count' in kwargs or 'max_count' in kwargs:
msg = ("Multiple pingable or sshable servers not supported at "
"this stage.")
raise ValueError(msg)
if 'security_groups' in kwargs:
kwargs['security_groups'].append(
{'name': validation_resources['security_group']['name']})
else:
try:
kwargs['security_groups'] = [
{'name': validation_resources['security_group']['name']}]
except KeyError:
LOG.debug("No security group provided.")
if 'key_name' not in kwargs:
try:
kwargs['key_name'] = validation_resources['keypair']['name']
except KeyError:
LOG.debug("No key provided.")
if CONF.validation.connect_method == 'floating':
if 'wait_until' not in kwargs:
kwargs['wait_until'] = 'ACTIVE'
body = clients.servers_client.create_server(name, image_id, flavor,
**kwargs)
# handle the case of multiple servers
servers = [body]
if 'min_count' in kwargs or 'max_count' in kwargs:
# Get servers created which name match with name param.
body_servers = clients.servers_client.list_servers()
servers = \
[s for s in body_servers['servers'] if s['name'].startswith(name)]
# The name of the method to associate a floating IP to as server is too
# long for PEP8 compliance so:
assoc = clients.floating_ips_client.associate_floating_ip_to_server
if 'wait_until' in kwargs:
for server in servers:
try:
waiters.wait_for_server_status(
clients.servers_client, server['id'], kwargs['wait_until'])
# Multiple validatable servers are not supported for now. Their
# creation will fail with the condition above (l.58).
if CONF.validation.run_validation and validatable:
if CONF.validation.connect_method == 'floating':
assoc(floating_ip=validation_resources[
'floating_ip']['ip'],
server_id=servers[0]['id'])
except Exception:
with excutils.save_and_reraise_exception():
if ('preserve_server_on_error' not in kwargs
or kwargs['preserve_server_on_error'] is False):
for server in servers:
try:
clients.servers_client.delete_server(
server['id'])
except Exception:
LOG.exception('Deleting server %s failed'
% server['id'])
return body, servers