openstack/neutron-tempest-plugin
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neutron-tempest-plugin/neutron_tempest_plugin/scenario/test_connectivity.py
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Change-Id: I5996e5f07493f69f14172b4bb0535852e89d5456
2023-11-08 15:52:37 +01:00

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# Copyright 2018 Red Hat, 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 netaddr
from neutron_lib import constants
from tempest.common import compute
from tempest.common import utils
from tempest.lib.common.utils import data_utils
from tempest.lib import decorators
from neutron_tempest_plugin.common import ip as ip_utils
from neutron_tempest_plugin.common import ssh
from neutron_tempest_plugin import config
from neutron_tempest_plugin.scenario import base
CONF = config.CONF
class NetworkConnectivityTest(base.BaseTempestTestCase):
credentials = ['primary', 'admin']
@classmethod
@utils.requires_ext(extension="router", service="network")
def resource_setup(cls):
super(NetworkConnectivityTest, cls).resource_setup()
# Create keypair with admin privileges
cls.keypair = cls.create_keypair()
# Create security group with admin privileges
cls.secgroup = cls.create_security_group(
name=data_utils.rand_name('secgroup'))
# Execute funcs to achieve ssh and ICMP capabilities
cls.create_loginable_secgroup_rule(secgroup_id=cls.secgroup['id'])
cls.create_pingable_secgroup_rule(secgroup_id=cls.secgroup['id'])
def _create_servers(self, port_1, port_2):
params = {
'flavor_ref': CONF.compute.flavor_ref,
'image_ref': CONF.compute.image_ref,
'key_name': self.keypair['name']
}
vms = []
vms.append(
self.create_server(networks=[{'port': port_1['id']}], **params))
if (CONF.compute.min_compute_nodes > 1 and
compute.is_scheduler_filter_enabled("DifferentHostFilter")):
params['scheduler_hints'] = {
'different_host': [vms[0]['server']['id']]}
vms.append(
self.create_server(networks=[{'port': port_2['id']}], **params))
for vm in vms:
self.wait_for_server_active(vm['server'])
self.wait_for_guest_os_ready(vm['server'])
return vms
@decorators.idempotent_id('8944b90d-1766-4669-bd8a-672b5d106bb7')
def test_connectivity_through_2_routers(self):
ap1_net = self.create_network()
ap2_net = self.create_network()
wan_net = self.create_network()
ap1_subnet = self.create_subnet(
ap1_net, cidr="10.10.210.0/24", gateway="10.10.210.254")
ap2_subnet = self.create_subnet(
ap2_net, cidr="10.10.220.0/24", gateway="10.10.220.254")
self.create_subnet(
wan_net, cidr="10.10.200.0/24", gateway="10.10.200.254")
ap1_rt = self.create_router(
router_name=data_utils.rand_name("ap1_rt"),
admin_state_up=True,
external_network_id=CONF.network.public_network_id)
ap2_rt = self.create_router(
router_name=data_utils.rand_name("ap2_rt"),
admin_state_up=True)
self._wait_for_router_ha_active(ap1_rt['id'])
self._wait_for_router_ha_active(ap2_rt['id'])
ap1_internal_port = self.create_port(
ap1_net, security_groups=[self.secgroup['id']])
ap2_internal_port = self.create_port(
ap2_net, security_groups=[self.secgroup['id']])
ap1_wan_port = self.create_port(wan_net)
ap2_wan_port = self.create_port(wan_net)
self.client.add_router_interface_with_port_id(
ap1_rt['id'], ap1_wan_port['id'])
self.client.add_router_interface_with_port_id(
ap2_rt['id'], ap2_wan_port['id'])
self.create_router_interface(ap1_rt['id'], ap1_subnet['id'])
self.create_router_interface(ap2_rt['id'], ap2_subnet['id'])
self.client.update_router(
ap1_rt['id'],
routes=[{"destination": ap2_subnet['cidr'],
"nexthop": ap2_wan_port['fixed_ips'][0]['ip_address']}])
self.client.update_router(
ap2_rt['id'],
routes=[{"destination": ap1_subnet['cidr'],
"nexthop": ap1_wan_port['fixed_ips'][0]['ip_address']}])
servers = self._create_servers(ap1_internal_port, ap2_internal_port)
ap1_fip = self.create_and_associate_floatingip(
ap1_internal_port['id'])
ap1_sshclient = ssh.Client(
ap1_fip['floating_ip_address'], CONF.validation.image_ssh_user,
pkey=self.keypair['private_key'])
self.check_remote_connectivity(
ap1_sshclient, ap2_internal_port['fixed_ips'][0]['ip_address'],
servers=servers)
@decorators.idempotent_id('b72c3b77-3396-4144-b05d-9cd3c0099893')
def test_connectivity_router_east_west_traffic(self):
"""This case is intended to test router east west taffic
The case can be used in various scenarios: legacy/distributed router,
same/different host.
"""
net_1 = self.create_network()
net_2 = self.create_network()
subnet_1 = self.create_subnet(net_1, cidr="10.10.1.0/24")
subnet_2 = self.create_subnet(net_2, cidr="10.10.2.0/24")
router = self.create_router(
router_name=data_utils.rand_name("east_west_traffic_router"),
admin_state_up=True,
external_network_id=CONF.network.public_network_id)
self._wait_for_router_ha_active(router['id'])
internal_port_1 = self.create_port(
net_1, security_groups=[self.secgroup['id']])
internal_port_2 = self.create_port(
net_2, security_groups=[self.secgroup['id']])
self.create_router_interface(router['id'], subnet_1['id'])
self.create_router_interface(router['id'], subnet_2['id'])
servers = self._create_servers(internal_port_1, internal_port_2)
fip = self.create_and_associate_floatingip(
internal_port_1['id'])
sshclient = ssh.Client(
fip['floating_ip_address'], CONF.validation.image_ssh_user,
pkey=self.keypair['private_key'])
self.check_remote_connectivity(
sshclient, internal_port_2['fixed_ips'][0]['ip_address'],
ping_count=10, servers=servers)
@utils.requires_ext(extension="dvr", service="network")
@decorators.idempotent_id('69d3650a-5c32-40bc-ae56-5c4c849ddd37')
def test_connectivity_dvr_and_no_dvr_routers_in_same_subnet(self):
"""This test case tests connectivity between vm and 2 routers.
Subnet is connected to dvr and non-dvr routers in the same time, test
ensures that connectivity from VM to both routers is working.
Test scenario: (NOTE: 10.1.0.0/24 private CIDR is used as an example)
.. code-block:: HTML
+----------------+ +------------+
| Non-dvr router | | DVR router |
| | | |
| 10.1.0.1 | | 10.1.0.x |
+-------+--------+ +-----+------+
| |
| 10.1.0.0/24 |
+----------------+----------------+
|
+-+-+
|VM |
+---+
where:
10.1.0.1 - is subnet's gateway IP address,
10.1.0.x - is any other IP address taken from subnet's range
Test ensures that both 10.1.0.1 and 10.1.0.x IP addresses are
reachable from VM.
"""
ext_network = self.client.show_network(self.external_network_id)
for ext_subnetid in ext_network['network']['subnets']:
ext_subnet = self.os_admin.network_client.show_subnet(ext_subnetid)
ext_cidr = ext_subnet['subnet']['cidr']
if ext_subnet['subnet']['ip_version'] == constants.IP_VERSION_4:
break
else:
self.fail('No IPv4 subnet was found in external network %s' %
ext_network['network']['id'])
subnet_cidr = ip_utils.find_valid_cidr(used_cidr=ext_cidr)
gw_ip = netaddr.IPAddress(subnet_cidr.first + 1)
network = self.create_network()
subnet = self.create_subnet(
network, cidr=str(subnet_cidr), gateway=str(gw_ip))
non_dvr_router = self.create_router_by_client(
tenant_id=self.client.project_id,
is_admin=True,
router_name=data_utils.rand_name("nondvr-2-routers-same-network"),
admin_state_up=True,
distributed=False)
self.create_router_interface(non_dvr_router['id'], subnet['id'])
dvr_router = self.create_router_by_client(
tenant_id=self.client.project_id,
is_admin=True,
router_name=data_utils.rand_name("dvr-2-rotuers-same-network"),
admin_state_up=True,
distributed=True)
dvr_router_port = self.create_port(network)
self.client.add_router_interface_with_port_id(
dvr_router['id'], dvr_router_port['id'])
vm = self.create_server(
flavor_ref=CONF.compute.flavor_ref,
image_ref=CONF.compute.image_ref,
key_name=self.keypair['name'],
networks=[{'uuid': network['id']}],
security_groups=[{'name': self.secgroup['name']}])
self.wait_for_server_active(vm['server'])
self.wait_for_guest_os_ready(vm['server'])
vm_port = self.client.list_ports(
network_id=network['id'], device_id=vm['server']['id'])['ports'][0]
fip = self.create_and_associate_floatingip(vm_port['id'])
sshclient = ssh.Client(
fip['floating_ip_address'], CONF.validation.image_ssh_user,
pkey=self.keypair['private_key'])
self.check_remote_connectivity(
sshclient, str(gw_ip), ping_count=10, servers=[vm])
self.check_remote_connectivity(
sshclient, dvr_router_port['fixed_ips'][0]['ip_address'],
ping_count=10, servers=[vm])
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