octavia-tempest-plugin/octavia_tempest_plugin/tests/test_base.py

896 lines
40 KiB
Python

# Copyright 2018 Rackspace US Inc. 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 ipaddress
import pkg_resources
import random
import requests
import shlex
import six
import string
import subprocess
import tempfile
import time
from oslo_log import log as logging
from oslo_utils import uuidutils
from tempest import config
from tempest.lib.common.utils import data_utils
from tempest.lib.common.utils.linux import remote_client
from tempest.lib import exceptions
from tempest import test
import tenacity
from octavia_tempest_plugin import clients
from octavia_tempest_plugin.common import constants as const
from octavia_tempest_plugin.tests import validators
from octavia_tempest_plugin.tests import waiters
CONF = config.CONF
LOG = logging.getLogger(__name__)
RETRY_ATTEMPTS = 15
RETRY_INITIAL_DELAY = 1
RETRY_BACKOFF = 1
RETRY_MAX = 5
class LoadBalancerBaseTest(test.BaseTestCase):
"""Base class for load balancer tests."""
# Setup cls.os_roles_lb_member. cls.os_primary, cls.os_roles_lb_member,
# and cls.os_roles_lb_admin credentials.
credentials = ['admin', 'primary',
['lb_member', CONF.load_balancer.member_role],
['lb_member2', CONF.load_balancer.member_role],
['lb_admin', CONF.load_balancer.admin_role]]
client_manager = clients.ManagerV2
webserver1_response = 1
webserver2_response = 5
used_ips = []
@classmethod
def skip_checks(cls):
"""Check if we should skip all of the children tests."""
super(LoadBalancerBaseTest, cls).skip_checks()
service_list = {
'load_balancer': CONF.service_available.load_balancer,
}
live_service_list = {
'compute': CONF.service_available.nova,
'image': CONF.service_available.glance,
'neutron': CONF.service_available.neutron
}
if not CONF.load_balancer.test_with_noop:
service_list.update(live_service_list)
for service, available in service_list.items():
if not available:
skip_msg = ("{0} skipped as {1} service is not "
"available.".format(cls.__name__, service))
raise cls.skipException(skip_msg)
# We must be able to reach our VIP and instances
if not (CONF.network.project_networks_reachable
or CONF.network.public_network_id):
msg = ('Either project_networks_reachable must be "true", or '
'public_network_id must be defined.')
raise cls.skipException(msg)
@classmethod
def setup_credentials(cls):
"""Setup test credentials and network resources."""
# Do not auto create network resources
cls.set_network_resources()
super(LoadBalancerBaseTest, cls).setup_credentials()
@classmethod
def setup_clients(cls):
"""Setup client aliases."""
super(LoadBalancerBaseTest, cls).setup_clients()
cls.lb_mem_float_ip_client = cls.os_roles_lb_member.floating_ips_client
cls.lb_mem_keypairs_client = cls.os_roles_lb_member.keypairs_client
cls.lb_mem_net_client = cls.os_roles_lb_member.networks_client
cls.lb_mem_ports_client = cls.os_roles_lb_member.ports_client
cls.lb_mem_routers_client = cls.os_roles_lb_member.routers_client
cls.lb_mem_SG_client = cls.os_roles_lb_member.security_groups_client
cls.lb_mem_SGr_client = (
cls.os_roles_lb_member.security_group_rules_client)
cls.lb_mem_servers_client = cls.os_roles_lb_member.servers_client
cls.lb_mem_subnet_client = cls.os_roles_lb_member.subnets_client
cls.mem_lb_client = cls.os_roles_lb_member.loadbalancer_client
cls.mem_listener_client = cls.os_roles_lb_member.listener_client
cls.mem_pool_client = cls.os_roles_lb_member.pool_client
cls.mem_member_client = cls.os_roles_lb_member.member_client
cls.mem_healthmonitor_client = (
cls.os_roles_lb_member.healthmonitor_client)
cls.mem_l7policy_client = cls.os_roles_lb_member.l7policy_client
cls.mem_l7rule_client = cls.os_roles_lb_member.l7rule_client
cls.mem_amphora_client = cls.os_roles_lb_member.amphora_client
cls.lb_admin_flavor_profile_client = (
cls.os_roles_lb_admin.flavor_profile_client)
@classmethod
def resource_setup(cls):
"""Setup resources needed by the tests."""
super(LoadBalancerBaseTest, cls).resource_setup()
conf_lb = CONF.load_balancer
cls.api_version = cls.mem_lb_client.get_max_api_version()
if conf_lb.test_subnet_override and not conf_lb.test_network_override:
raise exceptions.InvalidConfiguration(
"Configuration value test_network_override must be "
"specified if test_subnet_override is used.")
show_subnet = cls.lb_mem_subnet_client.show_subnet
if CONF.load_balancer.test_with_noop:
cls.lb_member_vip_net = {'id': uuidutils.generate_uuid()}
cls.lb_member_vip_subnet = {'id': uuidutils.generate_uuid()}
cls.lb_member_1_net = {'id': uuidutils.generate_uuid()}
cls.lb_member_1_subnet = {'id': uuidutils.generate_uuid()}
cls.lb_member_2_net = {'id': uuidutils.generate_uuid()}
cls.lb_member_2_subnet = {'id': uuidutils.generate_uuid()}
if CONF.load_balancer.test_with_ipv6:
cls.lb_member_vip_ipv6_net = {'id': uuidutils.generate_uuid()}
cls.lb_member_vip_ipv6_subnet = {'id':
uuidutils.generate_uuid()}
cls.lb_member_1_ipv6_subnet = {'id': uuidutils.generate_uuid()}
cls.lb_member_2_ipv6_subnet = {'id': uuidutils.generate_uuid()}
return
elif CONF.load_balancer.test_network_override:
if conf_lb.test_subnet_override:
override_subnet = show_subnet(conf_lb.test_subnet_override)
else:
override_subnet = None
show_net = cls.lb_mem_net_client.show_network
override_network = show_net(conf_lb.test_network_override)
override_network = override_network.get('network')
cls.lb_member_vip_net = override_network
cls.lb_member_vip_subnet = override_subnet
cls.lb_member_1_net = override_network
cls.lb_member_1_subnet = override_subnet
cls.lb_member_2_net = override_network
cls.lb_member_2_subnet = override_subnet
if (CONF.load_balancer.test_with_ipv6 and
conf_lb.test_IPv6_subnet_override):
override_ipv6_subnet = show_subnet(
conf_lb.test_IPv6_subnet_override)
cls.lb_member_vip_ipv6_subnet = override_ipv6_subnet
cls.lb_member_1_ipv6_subnet = override_ipv6_subnet
cls.lb_member_2_ipv6_subnet = override_ipv6_subnet
else:
cls.lb_member_vip_ipv6_subnet = None
cls.lb_member_1_ipv6_subnet = None
cls.lb_member_2_ipv6_subnet = None
else:
cls._create_networks()
LOG.debug('Octavia Setup: lb_member_vip_net = {}'.format(
cls.lb_member_vip_net[const.ID]))
if cls.lb_member_vip_subnet:
LOG.debug('Octavia Setup: lb_member_vip_subnet = {}'.format(
cls.lb_member_vip_subnet[const.ID]))
LOG.debug('Octavia Setup: lb_member_1_net = {}'.format(
cls.lb_member_1_net[const.ID]))
if cls.lb_member_1_subnet:
LOG.debug('Octavia Setup: lb_member_1_subnet = {}'.format(
cls.lb_member_1_subnet[const.ID]))
LOG.debug('Octavia Setup: lb_member_2_net = {}'.format(
cls.lb_member_2_net[const.ID]))
if cls.lb_member_2_subnet:
LOG.debug('Octavia Setup: lb_member_2_subnet = {}'.format(
cls.lb_member_2_subnet[const.ID]))
if CONF.load_balancer.test_with_ipv6:
if cls.lb_member_vip_ipv6_subnet:
LOG.debug('Octavia Setup: lb_member_vip_ipv6_subnet = '
'{}'.format(cls.lb_member_vip_ipv6_subnet[const.ID]))
if cls.lb_member_1_ipv6_subnet:
LOG.debug('Octavia Setup: lb_member_1_ipv6_subnet = {}'.format(
cls.lb_member_1_ipv6_subnet[const.ID]))
if cls.lb_member_2_ipv6_subnet:
LOG.debug('Octavia Setup: lb_member_2_ipv6_subnet = {}'.format(
cls.lb_member_2_ipv6_subnet[const.ID]))
@classmethod
# Neutron can be slow to clean up ports from the subnets/networks.
# Retry this delete a few times if we get a "Conflict" error to give
# neutron time to fully cleanup the ports.
@tenacity.retry(
retry=tenacity.retry_if_exception_type(exceptions.Conflict),
wait=tenacity.wait_incrementing(
RETRY_INITIAL_DELAY, RETRY_BACKOFF, RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def _logging_delete_network(cls, net_id):
try:
cls.lb_mem_net_client.delete_network(net_id)
except Exception:
LOG.error('Unable to delete network {}. Active ports:'.format(
net_id))
LOG.error(cls.lb_mem_ports_client.list_ports())
raise
@classmethod
# Neutron can be slow to clean up ports from the subnets/networks.
# Retry this delete a few times if we get a "Conflict" error to give
# neutron time to fully cleanup the ports.
@tenacity.retry(
retry=tenacity.retry_if_exception_type(exceptions.Conflict),
wait=tenacity.wait_incrementing(
RETRY_INITIAL_DELAY, RETRY_BACKOFF, RETRY_MAX),
stop=tenacity.stop_after_attempt(RETRY_ATTEMPTS))
def _logging_delete_subnet(cls, subnet_id):
try:
cls.lb_mem_subnet_client.delete_subnet(subnet_id)
except Exception:
LOG.error('Unable to delete subnet {}. Active ports:'.format(
subnet_id))
LOG.error(cls.lb_mem_ports_client.list_ports())
raise
@classmethod
def _create_networks(cls):
"""Creates networks, subnets, and routers used in tests.
The following are expected to be defined and available to the tests:
cls.lb_member_vip_net
cls.lb_member_vip_subnet
cls.lb_member_vip_ipv6_subnet (optional)
cls.lb_member_1_net
cls.lb_member_1_subnet
cls.lb_member_1_ipv6_subnet (optional)
cls.lb_member_2_net
cls.lb_member_2_subnet
cls.lb_member_2_ipv6_subnet (optional)
"""
# Create tenant VIP network
network_kwargs = {
'name': data_utils.rand_name("lb_member_vip_network")}
if CONF.network_feature_enabled.port_security:
# Note: Allowed Address Pairs requires port security
network_kwargs['port_security_enabled'] = True
result = cls.lb_mem_net_client.create_network(**network_kwargs)
cls.lb_member_vip_net = result['network']
LOG.info('lb_member_vip_net: {}'.format(cls.lb_member_vip_net))
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls._logging_delete_network,
cls.lb_mem_net_client.show_network,
cls.lb_member_vip_net['id'])
# Create tenant VIP subnet
subnet_kwargs = {
'name': data_utils.rand_name("lb_member_vip_subnet"),
'network_id': cls.lb_member_vip_net['id'],
'cidr': CONF.load_balancer.vip_subnet_cidr,
'ip_version': 4}
result = cls.lb_mem_subnet_client.create_subnet(**subnet_kwargs)
cls.lb_member_vip_subnet = result['subnet']
LOG.info('lb_member_vip_subnet: {}'.format(cls.lb_member_vip_subnet))
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls._logging_delete_subnet,
cls.lb_mem_subnet_client.show_subnet,
cls.lb_member_vip_subnet['id'])
# Create tenant VIP IPv6 subnet
if CONF.load_balancer.test_with_ipv6:
# See if ipv6-public-subnet exists and use it if so.
pub_ipv6_subnet = cls.os_admin.subnets_client.list_subnets(
name='ipv6-public-subnet')['subnets']
if len(pub_ipv6_subnet) == 1:
cls.lb_member_vip_ipv6_subnet = pub_ipv6_subnet[0]
cls.lb_member_vip_ipv6_net = {
'id': pub_ipv6_subnet[0]['network_id']}
else:
subnet_kwargs = {
'name': data_utils.rand_name("lb_member_vip_ipv6_subnet"),
'network_id': cls.lb_member_vip_net['id'],
'cidr': CONF.load_balancer.vip_ipv6_subnet_cidr,
'ip_version': 6}
result = cls.lb_mem_subnet_client.create_subnet(
**subnet_kwargs)
cls.lb_member_vip_ipv6_subnet = result['subnet']
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls._logging_delete_subnet,
cls.lb_mem_subnet_client.show_subnet,
cls.lb_member_vip_ipv6_subnet['id'])
LOG.info('lb_member_vip_ipv6_subnet: {}'.format(
cls.lb_member_vip_ipv6_subnet))
# Create tenant member 1 network
network_kwargs = {
'name': data_utils.rand_name("lb_member_1_network")}
if CONF.network_feature_enabled.port_security:
if CONF.load_balancer.enable_security_groups:
network_kwargs['port_security_enabled'] = True
else:
network_kwargs['port_security_enabled'] = False
result = cls.lb_mem_net_client.create_network(**network_kwargs)
cls.lb_member_1_net = result['network']
LOG.info('lb_member_1_net: {}'.format(cls.lb_member_1_net))
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls._logging_delete_network,
cls.lb_mem_net_client.show_network,
cls.lb_member_1_net['id'])
# Create tenant member 1 subnet
subnet_kwargs = {
'name': data_utils.rand_name("lb_member_1_subnet"),
'network_id': cls.lb_member_1_net['id'],
'cidr': CONF.load_balancer.member_1_ipv4_subnet_cidr,
'ip_version': 4}
result = cls.lb_mem_subnet_client.create_subnet(**subnet_kwargs)
cls.lb_member_1_subnet = result['subnet']
LOG.info('lb_member_1_subnet: {}'.format(cls.lb_member_1_subnet))
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls._logging_delete_subnet,
cls.lb_mem_subnet_client.show_subnet,
cls.lb_member_1_subnet['id'])
# Create tenant member 1 ipv6 subnet
if CONF.load_balancer.test_with_ipv6:
subnet_kwargs = {
'name': data_utils.rand_name("lb_member_1_ipv6_subnet"),
'network_id': cls.lb_member_1_net['id'],
'cidr': CONF.load_balancer.member_1_ipv6_subnet_cidr,
'ip_version': 6}
result = cls.lb_mem_subnet_client.create_subnet(**subnet_kwargs)
cls.lb_member_1_subnet_prefix = (
CONF.load_balancer.member_1_ipv6_subnet_cidr.rpartition('/')[2]
)
assert(cls.lb_member_1_subnet_prefix.isdigit())
cls.lb_member_1_ipv6_subnet = result['subnet']
LOG.info('lb_member_1_ipv6_subnet: {}'.format(
cls.lb_member_1_ipv6_subnet))
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls._logging_delete_subnet,
cls.lb_mem_subnet_client.show_subnet,
cls.lb_member_1_ipv6_subnet['id'])
# Create tenant member 2 network
network_kwargs = {
'name': data_utils.rand_name("lb_member_2_network")}
if CONF.network_feature_enabled.port_security:
if CONF.load_balancer.enable_security_groups:
network_kwargs['port_security_enabled'] = True
else:
network_kwargs['port_security_enabled'] = False
result = cls.lb_mem_net_client.create_network(**network_kwargs)
cls.lb_member_2_net = result['network']
LOG.info('lb_member_2_net: {}'.format(cls.lb_member_2_net))
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls._logging_delete_network,
cls.lb_mem_net_client.show_network,
cls.lb_member_2_net['id'])
# Create tenant member 2 subnet
subnet_kwargs = {
'name': data_utils.rand_name("lb_member_2_subnet"),
'network_id': cls.lb_member_2_net['id'],
'cidr': CONF.load_balancer.member_2_ipv4_subnet_cidr,
'ip_version': 4}
result = cls.lb_mem_subnet_client.create_subnet(**subnet_kwargs)
cls.lb_member_2_subnet = result['subnet']
LOG.info('lb_member_2_subnet: {}'.format(cls.lb_member_2_subnet))
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls._logging_delete_subnet,
cls.lb_mem_subnet_client.show_subnet,
cls.lb_member_2_subnet['id'])
# Create tenant member 2 ipv6 subnet
if CONF.load_balancer.test_with_ipv6:
subnet_kwargs = {
'name': data_utils.rand_name("lb_member_2_ipv6_subnet"),
'network_id': cls.lb_member_2_net['id'],
'cidr': CONF.load_balancer.member_2_ipv6_subnet_cidr,
'ip_version': 6}
result = cls.lb_mem_subnet_client.create_subnet(**subnet_kwargs)
cls.lb_member_2_subnet_prefix = (
CONF.load_balancer.member_2_ipv6_subnet_cidr.rpartition('/')[2]
)
assert(cls.lb_member_2_subnet_prefix.isdigit())
cls.lb_member_2_ipv6_subnet = result['subnet']
LOG.info('lb_member_2_ipv6_subnet: {}'.format(
cls.lb_member_2_ipv6_subnet))
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls._logging_delete_subnet,
cls.lb_mem_subnet_client.show_subnet,
cls.lb_member_2_ipv6_subnet['id'])
@classmethod
def _setup_lb_network_kwargs(cls, lb_kwargs, ip_version=None,
use_fixed_ip=False):
if not ip_version:
ip_version = 6 if CONF.load_balancer.test_with_ipv6 else 4
if cls.lb_member_vip_subnet or cls.lb_member_vip_ipv6_subnet:
ip_index = data_utils.rand_int_id(start=10, end=100)
while ip_index in cls.used_ips:
ip_index = data_utils.rand_int_id(start=10, end=100)
cls.used_ips.append(ip_index)
if ip_version == 4:
subnet_id = cls.lb_member_vip_subnet[const.ID]
if CONF.load_balancer.test_with_noop:
lb_vip_address = '198.18.33.33'
else:
subnet = cls.os_admin.subnets_client.show_subnet(subnet_id)
network = ipaddress.IPv4Network(subnet['subnet']['cidr'])
lb_vip_address = str(network[ip_index])
else:
subnet_id = cls.lb_member_vip_ipv6_subnet[const.ID]
if CONF.load_balancer.test_with_noop:
lb_vip_address = '2001:db8:33:33:33:33:33:33'
else:
subnet = cls.os_admin.subnets_client.show_subnet(subnet_id)
network = ipaddress.IPv6Network(subnet['subnet']['cidr'])
lb_vip_address = str(network[ip_index])
lb_kwargs[const.VIP_SUBNET_ID] = subnet_id
if use_fixed_ip:
lb_kwargs[const.VIP_ADDRESS] = lb_vip_address
if CONF.load_balancer.test_with_noop:
lb_kwargs[const.VIP_NETWORK_ID] = (
cls.lb_member_vip_net[const.ID])
else:
lb_kwargs[const.VIP_NETWORK_ID] = cls.lb_member_vip_net[const.ID]
lb_kwargs[const.VIP_SUBNET_ID] = None
class LoadBalancerBaseTestWithCompute(LoadBalancerBaseTest):
@classmethod
def resource_setup(cls):
super(LoadBalancerBaseTestWithCompute, cls).resource_setup()
# If validation is disabled in this cloud, we won't be able to
# start the webservers, so don't even boot them.
if not CONF.validation.run_validation:
return
# Create a keypair for the webservers
keypair_name = data_utils.rand_name('lb_member_keypair')
result = cls.lb_mem_keypairs_client.create_keypair(
name=keypair_name)
cls.lb_member_keypair = result['keypair']
LOG.info('lb_member_keypair: {}'.format(cls.lb_member_keypair))
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls.lb_mem_keypairs_client.delete_keypair,
cls.lb_mem_keypairs_client.show_keypair,
keypair_name)
if (CONF.load_balancer.enable_security_groups and
CONF.network_feature_enabled.port_security):
# Set up the security group for the webservers
SG_name = data_utils.rand_name('lb_member_SG')
cls.lb_member_sec_group = (
cls.lb_mem_SG_client.create_security_group(
name=SG_name)['security_group'])
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls.lb_mem_SG_client.delete_security_group,
cls.lb_mem_SG_client.show_security_group,
cls.lb_member_sec_group['id'])
# Create a security group rule to allow 80-81 (test webservers)
SGr = cls.lb_mem_SGr_client.create_security_group_rule(
direction='ingress',
security_group_id=cls.lb_member_sec_group['id'],
protocol='tcp',
ethertype='IPv4',
port_range_min=80,
port_range_max=81)['security_group_rule']
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls.lb_mem_SGr_client.delete_security_group_rule,
cls.lb_mem_SGr_client.show_security_group_rule,
SGr['id'])
# Create a security group rule to allow 22 (ssh)
SGr = cls.lb_mem_SGr_client.create_security_group_rule(
direction='ingress',
security_group_id=cls.lb_member_sec_group['id'],
protocol='tcp',
ethertype='IPv4',
port_range_min=22,
port_range_max=22)['security_group_rule']
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls.lb_mem_SGr_client.delete_security_group_rule,
cls.lb_mem_SGr_client.show_security_group_rule,
SGr['id'])
if CONF.load_balancer.test_with_ipv6:
# Create a security group rule to allow 80-81 (test webservers)
SGr = cls.lb_mem_SGr_client.create_security_group_rule(
direction='ingress',
security_group_id=cls.lb_member_sec_group['id'],
protocol='tcp',
ethertype='IPv6',
port_range_min=80,
port_range_max=81)['security_group_rule']
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls.lb_mem_SGr_client.delete_security_group_rule,
cls.lb_mem_SGr_client.show_security_group_rule,
SGr['id'])
# Create a security group rule to allow 22 (ssh)
SGr = cls.lb_mem_SGr_client.create_security_group_rule(
direction='ingress',
security_group_id=cls.lb_member_sec_group['id'],
protocol='tcp',
ethertype='IPv6',
port_range_min=22,
port_range_max=22)['security_group_rule']
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls.lb_mem_SGr_client.delete_security_group_rule,
cls.lb_mem_SGr_client.show_security_group_rule,
SGr['id'])
LOG.info('lb_member_sec_group: {}'.format(cls.lb_member_sec_group))
# Create webserver 1 instance
server_details = cls._create_webserver('lb_member_webserver1',
cls.lb_member_1_net)
cls.lb_member_webserver1 = server_details['server']
cls.webserver1_ip = server_details.get('ipv4_address')
cls.webserver1_ipv6 = server_details.get('ipv6_address')
cls.webserver1_public_ip = server_details['public_ipv4_address']
LOG.debug('Octavia Setup: lb_member_webserver1 = {}'.format(
cls.lb_member_webserver1[const.ID]))
LOG.debug('Octavia Setup: webserver1_ip = {}'.format(
cls.webserver1_ip))
LOG.debug('Octavia Setup: webserver1_ipv6 = {}'.format(
cls.webserver1_ipv6))
LOG.debug('Octavia Setup: webserver1_public_ip = {}'.format(
cls.webserver1_public_ip))
# Create webserver 2 instance
server_details = cls._create_webserver('lb_member_webserver2',
cls.lb_member_2_net)
cls.lb_member_webserver2 = server_details['server']
cls.webserver2_ip = server_details.get('ipv4_address')
cls.webserver2_ipv6 = server_details.get('ipv6_address')
cls.webserver2_public_ip = server_details['public_ipv4_address']
LOG.debug('Octavia Setup: lb_member_webserver2 = {}'.format(
cls.lb_member_webserver2[const.ID]))
LOG.debug('Octavia Setup: webserver2_ip = {}'.format(
cls.webserver2_ip))
LOG.debug('Octavia Setup: webserver2_ipv6 = {}'.format(
cls.webserver2_ipv6))
LOG.debug('Octavia Setup: webserver2_public_ip = {}'.format(
cls.webserver2_public_ip))
if CONF.load_balancer.test_with_ipv6:
# Enable the IPv6 nic in webserver 1
cls._enable_ipv6_nic_webserver(
cls.webserver1_public_ip, cls.lb_member_keypair['private_key'],
cls.webserver1_ipv6, cls.lb_member_1_subnet_prefix)
# Enable the IPv6 nic in webserver 2
cls._enable_ipv6_nic_webserver(
cls.webserver2_public_ip, cls.lb_member_keypair['private_key'],
cls.webserver2_ipv6, cls.lb_member_2_subnet_prefix)
# Set up serving on webserver 1
cls._install_start_webserver(cls.webserver1_public_ip,
cls.lb_member_keypair['private_key'],
cls.webserver1_response)
# Validate webserver 1
cls._validate_webserver(cls.webserver1_public_ip,
cls.webserver1_response)
# Set up serving on webserver 2
cls._install_start_webserver(cls.webserver2_public_ip,
cls.lb_member_keypair['private_key'],
cls.webserver2_response)
# Validate webserver 2
cls._validate_webserver(cls.webserver2_public_ip,
cls.webserver2_response)
@classmethod
def _create_networks(cls):
super(LoadBalancerBaseTestWithCompute, cls)._create_networks()
# Create a router for the subnets (required for the floating IP)
router_name = data_utils.rand_name("lb_member_router")
result = cls.lb_mem_routers_client.create_router(
name=router_name, admin_state_up=True,
external_gateway_info=dict(
network_id=CONF.network.public_network_id))
cls.lb_member_router = result['router']
LOG.info('lb_member_router: {}'.format(cls.lb_member_router))
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls.lb_mem_routers_client.delete_router,
cls.lb_mem_routers_client.show_router,
cls.lb_member_router['id'])
# Add VIP subnet to router
cls.lb_mem_routers_client.add_router_interface(
cls.lb_member_router['id'],
subnet_id=cls.lb_member_vip_subnet['id'])
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls.lb_mem_routers_client.remove_router_interface,
cls.lb_mem_routers_client.remove_router_interface,
cls.lb_member_router['id'],
subnet_id=cls.lb_member_vip_subnet['id'])
# Add member subnet 1 to router
cls.lb_mem_routers_client.add_router_interface(
cls.lb_member_router['id'],
subnet_id=cls.lb_member_1_subnet['id'])
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls.lb_mem_routers_client.remove_router_interface,
cls.lb_mem_routers_client.remove_router_interface,
cls.lb_member_router['id'], subnet_id=cls.lb_member_1_subnet['id'])
# Add member subnet 2 to router
cls.lb_mem_routers_client.add_router_interface(
cls.lb_member_router['id'],
subnet_id=cls.lb_member_2_subnet['id'])
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls.lb_mem_routers_client.remove_router_interface,
cls.lb_mem_routers_client.remove_router_interface,
cls.lb_member_router['id'], subnet_id=cls.lb_member_2_subnet['id'])
@classmethod
def _create_webserver(cls, name, network):
"""Creates a webserver with two ports.
webserver_details dictionary contains:
server - The compute server object
ipv4_address - The IPv4 address for the server (optional)
ipv6_address - The IPv6 address for the server (optional)
public_ipv4_address - The publicly accessible IPv4 address for the
server, this may be a floating IP (optional)
:param name: The name of the server to create.
:param network: The network to boot the server on.
:returns: webserver_details dictionary.
"""
server_kwargs = {
'name': data_utils.rand_name(name),
'flavorRef': CONF.compute.flavor_ref,
'imageRef': CONF.compute.image_ref,
'key_name': cls.lb_member_keypair['name']}
if (CONF.load_balancer.enable_security_groups and
CONF.network_feature_enabled.port_security):
server_kwargs['security_groups'] = [
{'name': cls.lb_member_sec_group['name']}]
if not CONF.load_balancer.disable_boot_network:
server_kwargs['networks'] = [{'uuid': network['id']}]
# Replace the name for clouds that have limitations
if CONF.load_balancer.random_server_name_length:
r = random.SystemRandom()
server_kwargs['name'] = "m{}".format("".join(
[r.choice(string.ascii_uppercase + string.digits)
for _ in range(
CONF.load_balancer.random_server_name_length - 1)]
))
if CONF.load_balancer.availability_zone:
server_kwargs['availability_zone'] = (
CONF.load_balancer.availability_zone)
server = cls.lb_mem_servers_client.create_server(
**server_kwargs)['server']
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls.lb_mem_servers_client.delete_server,
cls.lb_mem_servers_client.show_server,
server['id'])
server = waiters.wait_for_status(
cls.lb_mem_servers_client.show_server,
server['id'], 'status', 'ACTIVE',
CONF.load_balancer.build_interval,
CONF.load_balancer.build_timeout,
root_tag='server')
webserver_details = {'server': server}
LOG.info('Created server: {}'.format(server))
addresses = server['addresses']
if CONF.load_balancer.disable_boot_network:
instance_network = addresses.values()[0]
else:
instance_network = addresses[network['name']]
for addr in instance_network:
if addr['version'] == 4:
webserver_details['ipv4_address'] = addr['addr']
if addr['version'] == 6:
webserver_details['ipv6_address'] = addr['addr']
if CONF.validation.connect_method == 'floating':
result = cls.lb_mem_ports_client.list_ports(
network_id=network['id'],
mac_address=instance_network[0]['OS-EXT-IPS-MAC:mac_addr'])
port_id = result['ports'][0]['id']
result = cls.lb_mem_float_ip_client.create_floatingip(
floating_network_id=CONF.network.public_network_id,
port_id=port_id)
floating_ip = result['floatingip']
LOG.info('webserver1_floating_ip: {}'.format(floating_ip))
cls.addClassResourceCleanup(
waiters.wait_for_not_found,
cls.lb_mem_float_ip_client.delete_floatingip,
cls.lb_mem_float_ip_client.show_floatingip,
floatingip_id=floating_ip['id'])
webserver_details['public_ipv4_address'] = (
floating_ip['floating_ip_address'])
else:
webserver_details['public_ipv4_address'] = (
instance_network[0]['addr'])
return webserver_details
@classmethod
def _install_start_webserver(cls, ip_address, ssh_key, start_id):
local_file = pkg_resources.resource_filename(
'octavia_tempest_plugin.contrib.httpd', 'httpd.bin')
dest_file = '/dev/shm/httpd.bin'
linux_client = remote_client.RemoteClient(
ip_address, CONF.validation.image_ssh_user, pkey=ssh_key)
linux_client.validate_authentication()
with tempfile.NamedTemporaryFile() as key:
key.write(ssh_key.encode('utf-8'))
key.flush()
cmd = ("scp -v -o UserKnownHostsFile=/dev/null "
"-o StrictHostKeyChecking=no "
"-o ConnectTimeout={0} -o ConnectionAttempts={1} "
"-i {2} {3} {4}@{5}:{6}").format(
CONF.load_balancer.scp_connection_timeout,
CONF.load_balancer.scp_connection_attempts,
key.name, local_file, CONF.validation.image_ssh_user,
ip_address, dest_file)
args = shlex.split(cmd)
subprocess_args = {'stdout': subprocess.PIPE,
'stderr': subprocess.STDOUT,
'cwd': None}
proc = subprocess.Popen(args, **subprocess_args)
stdout, stderr = proc.communicate()
if proc.returncode != 0:
raise exceptions.CommandFailed(proc.returncode, cmd,
stdout, stderr)
linux_client.exec_command('sudo screen -d -m {0} -port 80 '
'-id {1}'.format(dest_file, start_id))
linux_client.exec_command('sudo screen -d -m {0} -port 81 '
'-id {1}'.format(dest_file, start_id + 1))
# Cirros does not configure the assigned IPv6 address by default
# so enable it manually like tempest does here:
# tempest/scenario/test_netowrk_v6.py turn_nic6_on()
@classmethod
def _enable_ipv6_nic_webserver(cls, ip_address, ssh_key,
ipv6_address, ipv6_prefix):
linux_client = remote_client.RemoteClient(
ip_address, CONF.validation.image_ssh_user, pkey=ssh_key)
linux_client.validate_authentication()
linux_client.exec_command('sudo ip address add {0}/{1} dev '
'eth0'.format(ipv6_address, ipv6_prefix))
@classmethod
def _validate_webserver(cls, ip_address, start_id):
URL = 'http://{0}'.format(ip_address)
validators.validate_URL_response(URL, expected_body=str(start_id))
URL = 'http://{0}:81'.format(ip_address)
validators.validate_URL_response(URL, expected_body=str(start_id + 1))
def _wait_for_lb_functional(self, vip_address,
protocol='http', verify=True):
session = requests.Session()
start = time.time()
while time.time() - start < CONF.load_balancer.build_timeout:
try:
session.get("{0}://{1}".format(protocol, vip_address),
timeout=2, verify=verify)
time.sleep(1)
return
except Exception:
LOG.warning('Server is not passing initial traffic. Waiting.')
time.sleep(1)
LOG.error('Server did not begin passing traffic within the timeout '
'period. Failing test.')
raise Exception()
def check_members_balanced(self, vip_address, traffic_member_count=2,
protocol='http', verify=True):
session = requests.Session()
response_counts = {}
if ipaddress.ip_address(vip_address).version == 6:
vip_address = '[{}]'.format(vip_address)
self._wait_for_lb_functional(vip_address, protocol, verify)
# Send a number requests to lb vip
for i in range(20):
try:
r = session.get('{0}://{1}'.format(protocol, vip_address),
timeout=2, verify=verify)
if r.content in response_counts:
response_counts[r.content] += 1
else:
response_counts[r.content] = 1
except Exception:
LOG.exception('Failed to send request to loadbalancer vip')
raise Exception('Failed to connect to lb')
LOG.debug('Loadbalancer response totals: %s', response_counts)
# Ensure the correct number of members
self.assertEqual(traffic_member_count, len(response_counts))
# Ensure both members got the same number of responses
self.assertEqual(1, len(set(response_counts.values())))
def assertConsistentResponse(self, response, url, method='GET', repeat=10,
redirect=False, timeout=2, **kwargs):
"""Assert that a request to URL gets the expected response.
:param response: Expected response in format (status_code, content).
:param url: The URL to request.
:param method: The HTTP method to use (GET, POST, PUT, etc)
:param repeat: How many times to test the response.
:param data: Optional data to send in the request.
:param headers: Optional headers to send in the request.
:param cookies: Optional cookies to send in the request.
:param redirect: Is the request a redirect? If true, assume the passed
content should be the next URL in the chain.
:param timeout: Optional seconds to wait for the server to send data.
:return: boolean success status
:raises: testtools.matchers.MismatchError
"""
session = requests.Session()
response_code, response_content = response
for i in range(0, repeat):
req = session.request(method, url, allow_redirects=not redirect,
timeout=timeout, **kwargs)
if response_code:
self.assertEqual(response_code, req.status_code)
if redirect:
self.assertTrue(req.is_redirect)
self.assertEqual(response_content,
session.get_redirect_target(req))
elif response_content:
self.assertEqual(six.text_type(response_content), req.text)