trunk: Add tempest test validating subport connectivity
The patch uses commands over SSH to define VLAN interfaces within
guests.
Test creates two instances with one trunk port and one subport - each
port is on different network. Connectivity is tested
using ping from one instance to the addresses on VLAN interfaces of the
other instance.
Change-Id: Iac801621c19ad488ea6210401f73f76564e4a9d3
diff --git a/neutron/tests/tempest/scenario/test_trunk.py b/neutron/tests/tempest/scenario/test_trunk.py
index b350392..64f3471 100644
--- a/neutron/tests/tempest/scenario/test_trunk.py
+++ b/neutron/tests/tempest/scenario/test_trunk.py
@@ -12,7 +12,9 @@
# License for the specific language governing permissions and limitations
# under the License.
+import netaddr
from oslo_log import log as logging
+from tempest.common.utils.linux import remote_client
from tempest.common import waiters
from tempest.lib.common.utils import data_utils
from tempest import test
@@ -25,6 +27,17 @@
CONF = config.CONF
LOG = logging.getLogger(__name__)
+CONFIGURE_VLAN_INTERFACE_COMMANDS = (
+ 'IFACE=$(ip l | grep "^[0-9]*: e" | cut -d \: -f 2) && '
+ 'sudo su -c '
+ '"ip l a link $IFACE name $IFACE.%(tag)d type vlan id %(tag)d && '
+ 'ip l s up dev $IFACE.%(tag)d && '
+ 'dhclient $IFACE.%(tag)d"')
+
+
+def get_next_subnet(cidr):
+ return netaddr.IPNetwork(cidr).next()
+
class TrunkTest(base.BaseTempestTestCase):
credentials = ['primary']
@@ -49,18 +62,24 @@
port = self.create_port(self.network, security_groups=[
self.secgroup['security_group']['id']])
trunk = self.client.create_trunk(port['id'], subports=[])['trunk']
- fip = self.create_and_associate_floatingip(port['id'])
- server = self.create_server(
- flavor_ref=CONF.compute.flavor_ref,
- image_ref=CONF.compute.image_ref,
- key_name=self.keypair['name'],
- networks=[{'port': port['id']}],
- security_groups=[{'name': self.secgroup[
- 'security_group']['name']}])['server']
+ server, fip = self._create_server_with_fip(port['id'])
self.addCleanup(self._detach_and_delete_trunk, server, trunk)
return {'port': port, 'trunk': trunk, 'fip': fip,
'server': server}
+ def _create_server_with_fip(self, port_id, **server_kwargs):
+ fip = self.create_and_associate_floatingip(port_id)
+ return (
+ self.create_server(
+ flavor_ref=CONF.compute.flavor_ref,
+ image_ref=CONF.compute.image_ref,
+ key_name=self.keypair['name'],
+ networks=[{'port': port_id}],
+ security_groups=[{'name': self.secgroup[
+ 'security_group']['name']}],
+ **server_kwargs)['server'],
+ fip)
+
def _detach_and_delete_trunk(self, server, trunk):
# we have to detach the interface from the server before
# the trunk can be deleted.
@@ -85,6 +104,44 @@
t = self.client.show_trunk(trunk_id)['trunk']
return t['status'] == 'ACTIVE'
+ def _create_server_with_port_and_subport(self, vlan_network, vlan_tag):
+ parent_port = self.create_port(self.network, security_groups=[
+ self.secgroup['security_group']['id']])
+ port_for_subport = self.create_port(
+ vlan_network,
+ security_groups=[self.secgroup['security_group']['id']],
+ mac_address=parent_port['mac_address'])
+ subport = {
+ 'port_id': port_for_subport['id'],
+ 'segmentation_type': 'vlan',
+ 'segmentation_id': vlan_tag}
+ trunk = self.client.create_trunk(
+ parent_port['id'], subports=[subport])['trunk']
+
+ server, fip = self._create_server_with_fip(parent_port['id'])
+ self.addCleanup(self._detach_and_delete_trunk, server, trunk)
+
+ server_ssh_client = remote_client.RemoteClient(
+ fip['floating_ip_address'],
+ CONF.validation.image_ssh_user,
+ pkey=self.keypair['private_key'],
+ server=server)
+
+ return {
+ 'server': server,
+ 'fip': fip,
+ 'ssh_client': server_ssh_client,
+ 'subport': port_for_subport,
+ }
+
+ def _wait_for_server(self, server):
+ waiters.wait_for_server_status(self.manager.servers_client,
+ server['server']['id'],
+ constants.SERVER_STATUS_ACTIVE)
+ self.check_connectivity(server['fip']['floating_ip_address'],
+ CONF.validation.image_ssh_user,
+ self.keypair['private_key'])
+
@test.idempotent_id('bb13fe28-f152-4000-8131-37890a40c79e')
def test_trunk_subport_lifecycle(self):
"""Test trunk creation and subport transition to ACTIVE status.
@@ -101,12 +158,7 @@
server1 = self._create_server_with_trunk_port()
server2 = self._create_server_with_trunk_port()
for server in (server1, server2):
- waiters.wait_for_server_status(self.manager.servers_client,
- server['server']['id'],
- constants.SERVER_STATUS_ACTIVE)
- self.check_connectivity(server['fip']['floating_ip_address'],
- CONF.validation.image_ssh_user,
- self.keypair['private_key'])
+ self._wait_for_server(server)
trunk1_id, trunk2_id = server1['trunk']['id'], server2['trunk']['id']
# trunks should transition to ACTIVE without any subports
utils.wait_until_true(
@@ -166,3 +218,26 @@
self.check_connectivity(server2['fip']['floating_ip_address'],
CONF.validation.image_ssh_user,
self.keypair['private_key'])
+
+ @test.idempotent_id('a8a02c9b-b453-49b5-89a2-cce7da66aafb')
+ def test_subport_connectivity(self):
+ vlan_tag = 10
+
+ vlan_network = self.create_network()
+ new_subnet_cidr = get_next_subnet(
+ config.safe_get_config_value('network', 'project_network_cidr'))
+ self.create_subnet(vlan_network, cidr=new_subnet_cidr)
+
+ servers = [
+ self._create_server_with_port_and_subport(vlan_network, vlan_tag)
+ for i in range(2)]
+
+ for server in servers:
+ self._wait_for_server(server)
+ # Configure VLAN interfaces on server
+ command = CONFIGURE_VLAN_INTERFACE_COMMANDS % {'tag': vlan_tag}
+ server['ssh_client'].exec_command(command)
+
+ # Ping from server1 to server2 via VLAN interface
+ servers[0]['ssh_client'].ping_host(
+ servers[1]['subport']['fixed_ips'][0]['ip_address'])