Source code for compute.admin.test_servers_on_multinodes
# Copyright 2016 NEC Corporation. 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.
import testtools
from tempest.api.compute import base
from tempest.common import compute
from tempest import config
from tempest.lib import decorators
CONF = config.CONF
[docs]class ServersOnMultiNodesTest(base.BaseV2ComputeAdminTest):
"""Test creating servers on mutiple nodes with scheduler_hints."""
@classmethod
def resource_setup(cls):
super(ServersOnMultiNodesTest, cls).resource_setup()
cls.server01 = cls.create_test_server(wait_until='ACTIVE')['id']
cls.host01 = cls.get_host_for_server(cls.server01)
@classmethod
def skip_checks(cls):
super(ServersOnMultiNodesTest, cls).skip_checks()
if CONF.compute.min_compute_nodes < 2:
raise cls.skipException(
"Less than 2 compute nodes, skipping multi-nodes test.")
def _create_servers_with_group(self, policy):
group_id = self.create_test_server_group(policy=[policy])['id']
hints = {'group': group_id}
reservation_id = self.create_test_server(
scheduler_hints=hints, wait_until='ACTIVE', min_count=2,
return_reservation_id=True)['reservation_id']
# Get the servers using the reservation_id.
servers = self.servers_client.list_servers(
detail=True, reservation_id=reservation_id)['servers']
self.assertEqual(2, len(servers))
# Assert the servers are in the group.
server_group = self.server_groups_client.show_server_group(
group_id)['server_group']
hosts = {}
for server in servers:
self.assertIn(server['id'], server_group['members'])
hosts[server['id']] = self.get_host_for_server(server['id'])
return hosts
[docs] @decorators.idempotent_id('26a9d5df-6890-45f2-abc4-a659290cb130')
@testtools.skipUnless(
compute.is_scheduler_filter_enabled("SameHostFilter"),
'SameHostFilter is not available.')
def test_create_servers_on_same_host(self):
"""Test creating servers with hints 'same_host'"""
hints = {'same_host': self.server01}
server02 = self.create_test_server(scheduler_hints=hints,
wait_until='ACTIVE')['id']
host02 = self.get_host_for_server(server02)
self.assertEqual(self.host01, host02)
[docs] @decorators.idempotent_id('cc7ca884-6e3e-42a3-a92f-c522fcf25e8e')
@testtools.skipUnless(
compute.is_scheduler_filter_enabled("DifferentHostFilter"),
'DifferentHostFilter is not available.')
def test_create_servers_on_different_hosts(self):
"""Test creating servers with hints of single 'different_host'"""
hints = {'different_host': self.server01}
server02 = self.create_test_server(scheduler_hints=hints,
wait_until='ACTIVE')['id']
host02 = self.get_host_for_server(server02)
self.assertNotEqual(self.host01, host02)
[docs] @decorators.idempotent_id('7869cc84-d661-4e14-9f00-c18cdc89cf57')
@testtools.skipUnless(
compute.is_scheduler_filter_enabled("DifferentHostFilter"),
'DifferentHostFilter is not available.')
def test_create_servers_on_different_hosts_with_list_of_servers(self):
"""Test creating servers with hints of a list of 'different_host'"""
hints = {'different_host': [self.server01]}
server02 = self.create_test_server(scheduler_hints=hints,
wait_until='ACTIVE')['id']
host02 = self.get_host_for_server(server02)
self.assertNotEqual(self.host01, host02)
[docs] @decorators.idempotent_id('f8bd0867-e459-45f5-ba53-59134552fe04')
@testtools.skipUnless(
compute.is_scheduler_filter_enabled("ServerGroupAntiAffinityFilter"),
'ServerGroupAntiAffinityFilter is not available.')
def test_create_server_with_scheduler_hint_group_anti_affinity(self):
"""Tests the ServerGroupAntiAffinityFilter
Creates two servers in an anti-affinity server group and
asserts the servers are in the group and on different hosts.
"""
hosts = self._create_servers_with_group('anti-affinity')
hostnames = list(hosts.values())
self.assertNotEqual(hostnames[0], hostnames[1],
'Servers are on the same host: %s' % hosts)
[docs] @decorators.idempotent_id('9d2e924a-baf4-11e7-b856-fa163e65f5ce')
@testtools.skipUnless(
compute.is_scheduler_filter_enabled("ServerGroupAffinityFilter"),
'ServerGroupAffinityFilter is not available.')
def test_create_server_with_scheduler_hint_group_affinity(self):
"""Tests the ServerGroupAffinityFilter
Creates two servers in an affinity server group and
asserts the servers are in the group and on same host.
"""
hosts = self._create_servers_with_group('affinity')
hostnames = list(hosts.values())
self.assertEqual(hostnames[0], hostnames[1],
'Servers are on the different hosts: %s' % hosts)