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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 time
from oslo_utils import timeutils
from tempest_lib.common.utils import data_utils
from tempest_lib import exceptions as lib_exc
from tempest import config
from tempest import exceptions
import tempest.test
CONF = config.CONF
class BaseTelemetryTest(tempest.test.BaseTestCase):
"""Base test case class for all Telemetry API tests."""
credentials = ['primary']
@classmethod
def skip_checks(cls):
super(BaseTelemetryTest, cls).skip_checks()
if not CONF.service_available.ceilometer:
raise cls.skipException("Ceilometer support is required")
@classmethod
def setup_credentials(cls):
cls.set_network_resources()
super(BaseTelemetryTest, cls).setup_credentials()
@classmethod
def setup_clients(cls):
super(BaseTelemetryTest, cls).setup_clients()
cls.telemetry_client = cls.os.telemetry_client
cls.servers_client = cls.os.servers_client
cls.flavors_client = cls.os.flavors_client
cls.image_client = cls.os.image_client
cls.image_client_v2 = cls.os.image_client_v2
@classmethod
def resource_setup(cls):
super(BaseTelemetryTest, cls).resource_setup()
cls.nova_notifications = ['memory', 'vcpus', 'disk.root.size',
'disk.ephemeral.size']
cls.glance_notifications = ['image.update', 'image.upload',
'image.delete']
cls.glance_v2_notifications = ['image.download', 'image.serve']
cls.server_ids = []
cls.alarm_ids = []
cls.image_ids = []
@classmethod
def create_alarm(cls, **kwargs):
body = cls.telemetry_client.create_alarm(
name=data_utils.rand_name('telemetry_alarm'),
type='threshold', **kwargs)
cls.alarm_ids.append(body['alarm_id'])
return body
@classmethod
def create_server(cls):
body = cls.servers_client.create_server(
data_utils.rand_name('ceilometer-instance'),
CONF.compute.image_ref, CONF.compute.flavor_ref,
wait_until='ACTIVE')
cls.server_ids.append(body['id'])
return body
@classmethod
def create_image(cls, client):
body = client.create_image(
data_utils.rand_name('image'), container_format='bare',
disk_format='raw', visibility='private')
cls.image_ids.append(body['id'])
return body
@staticmethod
def cleanup_resources(method, list_of_ids):
for resource_id in list_of_ids:
try:
method(resource_id)
except lib_exc.NotFound:
pass
@classmethod
def resource_cleanup(cls):
cls.cleanup_resources(cls.telemetry_client.delete_alarm, cls.alarm_ids)
cls.cleanup_resources(cls.servers_client.delete_server, cls.server_ids)
cls.cleanup_resources(cls.image_client.delete_image, cls.image_ids)
super(BaseTelemetryTest, cls).resource_cleanup()
def await_samples(self, metric, query):
"""
This method is to wait for sample to add it to database.
There are long time delays when using Postgresql (or Mysql)
database as ceilometer backend
"""
timeout = CONF.compute.build_timeout
start = timeutils.utcnow()
while timeutils.delta_seconds(start, timeutils.utcnow()) < timeout:
body = self.telemetry_client.list_samples(metric, query)
if body:
return body
time.sleep(CONF.compute.build_interval)
raise exceptions.TimeoutException(
'Sample for metric:%s with query:%s has not been added to the '
'database within %d seconds' % (metric, query,
CONF.compute.build_timeout))
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