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# 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 os.path
from oslo_log import log as logging
from tempest_lib.common.utils import data_utils
from tempest_lib import exceptions as lib_exc
import yaml
from tempest import clients
from tempest import config
import tempest.test
CONF = config.CONF
LOG = logging.getLogger(__name__)
class BaseOrchestrationTest(tempest.test.BaseTestCase):
"""Base test case class for all Orchestration API tests."""
credentials = ['primary']
@classmethod
def skip_checks(cls):
super(BaseOrchestrationTest, cls).skip_checks()
if not CONF.service_available.heat:
raise cls.skipException("Heat support is required")
@classmethod
def setup_credentials(cls):
super(BaseOrchestrationTest, cls).setup_credentials()
stack_owner_role = CONF.orchestration.stack_owner_role
if not cls.isolated_creds.is_role_available(stack_owner_role):
skip_msg = ("%s skipped because the configured credential provider"
" is not able to provide credentials with the %s role "
"assigned." % (cls.__name__, stack_owner_role))
raise cls.skipException(skip_msg)
else:
cls.os = clients.Manager(cls.isolated_creds.get_creds_by_roles(
[stack_owner_role]))
@classmethod
def setup_clients(cls):
super(BaseOrchestrationTest, cls).setup_clients()
cls.orchestration_client = cls.os.orchestration_client
cls.client = cls.orchestration_client
cls.servers_client = cls.os.servers_client
cls.keypairs_client = cls.os.keypairs_client
cls.network_client = cls.os.network_client
cls.volumes_client = cls.os.volumes_client
cls.images_v2_client = cls.os.image_client_v2
@classmethod
def resource_setup(cls):
super(BaseOrchestrationTest, cls).resource_setup()
cls.build_timeout = CONF.orchestration.build_timeout
cls.build_interval = CONF.orchestration.build_interval
cls.stacks = []
cls.keypairs = []
cls.images = []
@classmethod
def create_stack(cls, stack_name, template_data, parameters=None,
environment=None, files=None):
if parameters is None:
parameters = {}
body = cls.client.create_stack(
stack_name,
template=template_data,
parameters=parameters,
environment=environment,
files=files)
stack_id = body.response['location'].split('/')[-1]
stack_identifier = '%s/%s' % (stack_name, stack_id)
cls.stacks.append(stack_identifier)
return stack_identifier
@classmethod
def _clear_stacks(cls):
for stack_identifier in cls.stacks:
try:
cls.client.delete_stack(stack_identifier)
except lib_exc.NotFound:
pass
for stack_identifier in cls.stacks:
try:
cls.client.wait_for_stack_status(
stack_identifier, 'DELETE_COMPLETE')
except lib_exc.NotFound:
pass
@classmethod
def _create_keypair(cls, name_start='keypair-heat-'):
kp_name = data_utils.rand_name(name_start)
body = cls.keypairs_client.create_keypair(kp_name)
cls.keypairs.append(kp_name)
return body
@classmethod
def _clear_keypairs(cls):
for kp_name in cls.keypairs:
try:
cls.keypairs_client.delete_keypair(kp_name)
except Exception:
pass
@classmethod
def _create_image(cls, name_start='image-heat-', container_format='bare',
disk_format='iso'):
image_name = data_utils.rand_name(name_start)
body = cls.images_v2_client.create_image(image_name,
container_format,
disk_format)
image_id = body['id']
cls.images.append(image_id)
return body
@classmethod
def _clear_images(cls):
for image_id in cls.images:
try:
cls.images_v2_client.delete_image(image_id)
except lib_exc.NotFound:
pass
@classmethod
def read_template(cls, name, ext='yaml'):
loc = ["stacks", "templates", "%s.%s" % (name, ext)]
fullpath = os.path.join(os.path.dirname(__file__), *loc)
with open(fullpath, "r") as f:
content = f.read()
return content
@classmethod
def load_template(cls, name, ext='yaml'):
loc = ["stacks", "templates", "%s.%s" % (name, ext)]
fullpath = os.path.join(os.path.dirname(__file__), *loc)
with open(fullpath, "r") as f:
return yaml.safe_load(f)
@classmethod
def resource_cleanup(cls):
cls._clear_stacks()
cls._clear_keypairs()
cls._clear_images()
super(BaseOrchestrationTest, cls).resource_cleanup()
@staticmethod
def stack_output(stack, output_key):
"""Return a stack output value for a given key."""
return next((o['output_value'] for o in stack['outputs']
if o['output_key'] == output_key), None)
def assert_fields_in_dict(self, obj, *fields):
for field in fields:
self.assertIn(field, obj)
def list_resources(self, stack_identifier):
"""Get a dict mapping of resource names to types."""
resources = self.client.list_resources(stack_identifier)
self.assertIsInstance(resources, list)
for res in resources:
self.assert_fields_in_dict(res, 'logical_resource_id',
'resource_type', 'resource_status',
'updated_time')
return dict((r['resource_name'], r['resource_type'])
for r in resources)
def get_stack_output(self, stack_identifier, output_key):
body = self.client.show_stack(stack_identifier)
return self.stack_output(body, output_key)
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