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# Copyright 2013 IBM Corp.
# 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 tempest.common import tempest_fixtures as fixtures
from tempest.common import utils
from tempest.lib.common.utils import data_utils
from tempest.lib import decorators
from tempest.scenario import manager
@decorators.serial
class TestAggregatesBasicOps(manager.ScenarioTest):
"""Creates an aggregate within an availability zone
Adds a host to the aggregate
Checks aggregate details
Updates aggregate's name
Removes host from aggregate
Deletes aggregate
"""
credentials = ['primary', 'admin']
@classmethod
def setup_clients(cls):
super(TestAggregatesBasicOps, cls).setup_clients()
# Use admin client by default
cls.aggregates_client = cls.os_admin.aggregates_client
cls.services_client = cls.os_admin.services_client
def _create_aggregate(self, **kwargs):
aggregate = (self.aggregates_client.create_aggregate(**kwargs)
['aggregate'])
self.addCleanup(self.aggregates_client.delete_aggregate,
aggregate['id'])
aggregate_name = kwargs['name']
availability_zone = kwargs['availability_zone']
self.assertEqual(aggregate['name'], aggregate_name)
self.assertEqual(aggregate['availability_zone'], availability_zone)
return aggregate
def _get_host_name(self):
# Find a host that has not been added to other availability zone,
# for one host can't be added to different availability zones.
svc_list = self.services_client.list_services(
binary='nova-compute')['services']
self.assertNotEmpty(svc_list)
hosts_available = []
for host in svc_list:
if (host['state'] == 'up' and host['status'] == 'enabled'):
hosts_available.append(host['host'])
aggregates = self.aggregates_client.list_aggregates()['aggregates']
hosts_in_zone = []
for agg in aggregates:
if agg['availability_zone']:
hosts_in_zone.extend(agg['hosts'])
hosts = [v for v in hosts_available if v not in hosts_in_zone]
if not hosts:
raise self.skipException("All hosts are already in other "
"availability zones, so can't add "
"host to aggregate. \nAggregates list: "
"%s" % aggregates)
return hosts[0]
def _add_host(self, aggregate_id, host):
aggregate = (self.aggregates_client.add_host(aggregate_id, host=host)
['aggregate'])
self.addCleanup(self._remove_host, aggregate['id'], host)
self.assertIn(host, aggregate['hosts'])
def _remove_host(self, aggregate_id, host):
aggregate = self.aggregates_client.remove_host(aggregate_id, host=host)
self.assertNotIn(host, aggregate['aggregate']['hosts'])
def _check_aggregate_details(self, aggregate, aggregate_name, azone,
hosts, metadata):
aggregate = (self.aggregates_client.show_aggregate(aggregate['id'])
['aggregate'])
self.assertEqual(aggregate_name, aggregate['name'])
self.assertEqual(azone, aggregate['availability_zone'])
self.assertEqual(hosts, aggregate['hosts'])
for meta_key in metadata:
self.assertIn(meta_key, aggregate['metadata'])
self.assertEqual(metadata[meta_key],
aggregate['metadata'][meta_key])
def _set_aggregate_metadata(self, aggregate, meta):
aggregate = self.aggregates_client.set_metadata(aggregate['id'],
metadata=meta)
for key in meta.keys():
self.assertEqual(meta[key],
aggregate['aggregate']['metadata'][key])
def _update_aggregate(self, aggregate, aggregate_name,
availability_zone):
aggregate = self.aggregates_client.update_aggregate(
aggregate['id'], name=aggregate_name,
availability_zone=availability_zone)['aggregate']
self.assertEqual(aggregate['name'], aggregate_name)
self.assertEqual(aggregate['availability_zone'], availability_zone)
return aggregate
@decorators.idempotent_id('cb2b4c4f-0c7c-4164-bdde-6285b302a081')
@decorators.attr(type='slow')
@utils.services('compute')
def test_aggregate_basic_ops(self):
self.useFixture(fixtures.LockFixture('availability_zone'))
az = 'foo_zone'
aggregate_name = data_utils.rand_name('aggregate-scenario')
aggregate = self._create_aggregate(name=aggregate_name,
availability_zone=az)
metadata = {'meta_key': 'meta_value'}
self._set_aggregate_metadata(aggregate, metadata)
host = self._get_host_name()
self._add_host(aggregate['id'], host)
self._check_aggregate_details(aggregate, aggregate_name, az, [host],
metadata)
aggregate_name = data_utils.rand_name('renamed-aggregate-scenario')
# Updating the name alone. The az must be specified again otherwise
# the tempest client would send None in the put body
aggregate = self._update_aggregate(aggregate, aggregate_name, az)
new_metadata = {'foo': 'bar'}
self._set_aggregate_metadata(aggregate, new_metadata)
self._check_aggregate_details(aggregate, aggregate['name'], az,
[host], new_metadata)
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