Merge "Adds a mixed IPv4/IPv6 members traffic test"

This commit is contained in:
Zuul 2018-12-19 02:14:52 +00:00 committed by Gerrit Code Review
commit 38f574dcb0
2 changed files with 95 additions and 0 deletions

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@ -620,3 +620,66 @@ class TrafficOperationsScenarioTest(test_base.LoadBalancerBaseTestWithCompute):
self.assertConsistentResponse((403, None),
url_for_member1,
headers={'reject': 'true'})
@testtools.skipIf(CONF.load_balancer.test_with_noop,
'Traffic tests will not work in noop mode.')
@testtools.skipUnless(CONF.load_balancer.test_with_ipv6,
'Mixed IPv4/IPv6 member test requires IPv6.')
@decorators.idempotent_id('20b6b671-0101-4bed-a249-9af6ee3aa6d9')
def test_mixed_ipv4_ipv6_members_traffic(self):
"""Tests traffic through a loadbalancer with IPv4 and IPv6 members.
* Set up members on a loadbalancer.
* Test traffic to ensure it is balanced properly.
"""
# Set up Member 1 for Webserver 1
member1_name = data_utils.rand_name("lb_member_member1-traffic")
member1_kwargs = {
const.POOL_ID: self.pool_id,
const.NAME: member1_name,
const.ADMIN_STATE_UP: True,
const.ADDRESS: self.webserver1_ip,
const.PROTOCOL_PORT: 80,
}
if self.lb_member_1_subnet:
member1_kwargs[const.SUBNET_ID] = self.lb_member_1_subnet[const.ID]
member1 = self.mem_member_client.create_member(
**member1_kwargs)
self.addCleanup(
self.mem_member_client.cleanup_member,
member1[const.ID], pool_id=self.pool_id,
lb_client=self.mem_lb_client, lb_id=self.lb_id)
waiters.wait_for_status(
self.mem_lb_client.show_loadbalancer, self.lb_id,
const.PROVISIONING_STATUS, const.ACTIVE,
CONF.load_balancer.check_interval,
CONF.load_balancer.check_timeout)
# Set up Member 2 for Webserver 2
member2_name = data_utils.rand_name("lb_member_member2-traffic")
member2_kwargs = {
const.POOL_ID: self.pool_id,
const.NAME: member2_name,
const.ADMIN_STATE_UP: True,
const.ADDRESS: self.webserver2_ipv6,
const.PROTOCOL_PORT: 80,
}
if self.lb_member_2_ipv6_subnet:
member2_kwargs[const.SUBNET_ID] = (
self.lb_member_2_ipv6_subnet[const.ID])
member2 = self.mem_member_client.create_member(
**member2_kwargs)
self.addCleanup(
self.mem_member_client.cleanup_member,
member2[const.ID], pool_id=self.pool_id,
lb_client=self.mem_lb_client, lb_id=self.lb_id)
waiters.wait_for_status(
self.mem_lb_client.show_loadbalancer, self.lb_id,
const.PROVISIONING_STATUS, const.ACTIVE,
CONF.load_balancer.check_interval,
CONF.load_balancer.check_timeout)
# Send some traffic
self.check_members_balanced(self.lb_vip_address)

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@ -305,6 +305,10 @@ class LoadBalancerBaseTest(test.BaseTestCase):
'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))
@ -354,6 +358,10 @@ class LoadBalancerBaseTest(test.BaseTestCase):
'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))
@ -520,6 +528,17 @@ class LoadBalancerBaseTestWithCompute(LoadBalancerBaseTest):
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'],
@ -710,6 +729,19 @@ class LoadBalancerBaseTestWithCompute(LoadBalancerBaseTest):
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)