Adds a mixed IPv4/IPv6 members traffic test
This patch adds a traffic scenario test for a load balancer with one
IPv4 member and one IPv6 member.
It also makes sure the cirros web servers enable the IPv6 address
assigned to them.
Story: 1627892
Task: 5311
Depends-On: https://review.openstack.org/611460
Change-Id: Ic640c89b5a6ef0d6aade386a910b0d023520aedc
diff --git a/octavia_tempest_plugin/tests/scenario/v2/test_traffic_ops.py b/octavia_tempest_plugin/tests/scenario/v2/test_traffic_ops.py
index 627c261..edc2cbc 100644
--- a/octavia_tempest_plugin/tests/scenario/v2/test_traffic_ops.py
+++ b/octavia_tempest_plugin/tests/scenario/v2/test_traffic_ops.py
@@ -620,3 +620,66 @@
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)
diff --git a/octavia_tempest_plugin/tests/test_base.py b/octavia_tempest_plugin/tests/test_base.py
index c70c2f1..825b758 100644
--- a/octavia_tempest_plugin/tests/test_base.py
+++ b/octavia_tempest_plugin/tests/test_base.py
@@ -305,6 +305,10 @@
'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 @@
'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 @@
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 @@
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)