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# Copyright 2017 - Nokia
#
# 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 time
from oslo_log import log as logging
from vitrage_tempest_plugin.tests.common import general_utils as g_utils
from vitrage_tempest_plugin.tests.common import glance_utils
from vitrage_tempest_plugin.tests.common import neutron_utils
from vitrage_tempest_plugin.tests.common.tempest_clients import TempestClients
from vitrage_tempest_plugin.tests.utils import wait_for_status
LOG = logging.getLogger(__name__)
def create_instances(num_instances=1, set_public_network=True, name='vm'):
nics = []
flavor = get_first_flavor()
image = glance_utils.get_first_image()
if set_public_network:
public_net = neutron_utils.get_neutron_network('public')
if public_net:
nics = [{'net-id': public_net['id']}]
for i in range(3):
success, resources = _create_instances(flavor, image, name, nics,
num_instances)
time.sleep(2)
if success:
return resources
if not success:
LOG.warning("create instance failed, delete and retry %s",
resources)
delete_created_instances(resources)
time.sleep(10)
raise AssertionError("Unable to create vms, retries failed")
def _create_instances(flavor, image, name, nics, num_instances):
LOG.info("create instance with flavor=%s image=%s" % (flavor, image))
resources = [TempestClients.nova().servers.create(
name='%s-%s' % (name, index),
flavor=flavor,
image=image,
nics=nics) for index in range(num_instances)]
success = wait_for_status(
30, check_new_instances, ids=[instance.id for instance in resources])
return success, resources
def delete_created_instances(instances):
if not instances:
return
for instance in instances:
delete_all_instances(id=instance.id)
def delete_all_instances(**kwargs):
instances = TempestClients.nova().servers.list()
instances_to_delete = g_utils.all_matches(instances, **kwargs)
for item in instances_to_delete:
try:
TempestClients.nova().servers.force_delete(item)
except Exception:
LOG.exception('Failed to force delete instance %s', item.id)
wait_for_status(
30,
check_deleted_instances,
ids=[instance.id for instance in instances_to_delete])
time.sleep(2)
def get_first_flavor():
return TempestClients.nova().flavors.list(sort_key='memory_mb')[0]
def check_deleted_instances(ids):
servers = TempestClients.nova().servers.list()
for s in servers:
if s.id in ids:
return False
return True
def check_new_instances(ids):
servers = TempestClients.nova().servers.list()
for _id in ids:
ok = False
for s in servers:
if _id == s.id and s.status.lower() == 'active':
ok = True
break
if not ok:
return False
return True
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