Add tap-as-a-service scenario tests
As tap-as-a-service was moved under Neutron governance its tests should
be in neutron-tempest-plugin.
Change-Id: I3055d8512c099eea2e25376f3525d96a040e70fa
diff --git a/neutron_tempest_plugin/config.py b/neutron_tempest_plugin/config.py
index a40fb0d..aea79ad 100644
--- a/neutron_tempest_plugin/config.py
+++ b/neutron_tempest_plugin/config.py
@@ -220,6 +220,25 @@
CONF.register_group(sfc_group)
CONF.register_opts(SfcGroup, group="sfc")
+
+TaasGroup = [
+ cfg.StrOpt('provider_physical_network',
+ default='',
+ help='Physical network to be used for creating SRIOV network.'),
+ cfg.StrOpt('provider_segmentation_id',
+ default='',
+ help='Segmentation-id to be used for creating SRIOV network.'),
+ cfg.StrOpt('vlan_filter',
+ default='',
+ help='Comma separated list of VLANs to be mirrored '
+ 'for a Tap-Flow.'),
+]
+taas_group = cfg.OptGroup(name='taas',
+ title='TaaS Tempest Options')
+CONF.register_group(taas_group)
+CONF.register_opts(TaasGroup, group="taas")
+
+
config_opts_translator = {
'project_network_cidr': 'tenant_network_cidr',
'project_network_v6_cidr': 'tenant_network_v6_cidr',
diff --git a/neutron_tempest_plugin/scenario/base.py b/neutron_tempest_plugin/scenario/base.py
index cbe5df6..de3d8fa 100644
--- a/neutron_tempest_plugin/scenario/base.py
+++ b/neutron_tempest_plugin/scenario/base.py
@@ -615,3 +615,38 @@
result = shell.execute_local_command(cmd)
self.assertEqual(0, result.exit_status)
return result.stdout
+
+ def _ensure_public_router(self, client=None, tenant_id=None):
+ """Retrieve a router for the given tenant id.
+
+ If a public router has been configured, it will be returned.
+
+ If a public router has not been configured, but a public
+ network has, a tenant router will be created and returned that
+ routes traffic to the public network.
+ """
+ if not client:
+ client = self.client
+ if not tenant_id:
+ tenant_id = client.tenant_id
+ router_id = CONF.network.public_router_id
+ network_id = CONF.network.public_network_id
+ if router_id:
+ body = client.show_router(router_id)
+ return body['router']
+ elif network_id:
+ router = self.create_router_by_client()
+ self.addCleanup(test_utils.call_and_ignore_notfound_exc,
+ client.delete_router, router['id'])
+ kwargs = {'external_gateway_info': dict(network_id=network_id)}
+ router = client.update_router(router['id'], **kwargs)['router']
+ return router
+ else:
+ raise Exception("Neither of 'public_router_id' or "
+ "'public_network_id' has been defined.")
+
+ def _update_router_admin_state(self, router, admin_state_up):
+ kwargs = dict(admin_state_up=admin_state_up)
+ router = self.client.update_router(
+ router['id'], **kwargs)['router']
+ self.assertEqual(admin_state_up, router['admin_state_up'])
diff --git a/neutron_tempest_plugin/tap_as_a_service/scenario/__init__.py b/neutron_tempest_plugin/tap_as_a_service/scenario/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/neutron_tempest_plugin/tap_as_a_service/scenario/__init__.py
diff --git a/neutron_tempest_plugin/tap_as_a_service/scenario/manager.py b/neutron_tempest_plugin/tap_as_a_service/scenario/manager.py
new file mode 100644
index 0000000..80389c1
--- /dev/null
+++ b/neutron_tempest_plugin/tap_as_a_service/scenario/manager.py
@@ -0,0 +1,293 @@
+# Copyright 2012 OpenStack Foundation
+# Copyright 2013 IBM Corp.
+# 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 oslo_log import log
+from oslo_utils import netutils
+
+from tempest import config
+from tempest.lib.common.utils import data_utils
+from tempest.lib.common.utils import test_utils
+from tempest.lib import exceptions as lib_exc
+
+from neutron_tempest_plugin.scenario import base
+from neutron_tempest_plugin.tap_as_a_service.services import taas_client
+
+CONF = config.CONF
+
+LOG = log.getLogger(__name__)
+
+
+class BaseTaasScenarioTests(base.BaseTempestTestCase):
+
+ credentials = ['primary', 'admin']
+
+ @classmethod
+ def setup_clients(cls):
+ super(BaseTaasScenarioTests, cls).setup_clients()
+
+ cls.client = cls.os_primary.network_client
+ cls.admin_network_client = cls.os_admin.network_client
+
+ # Setup taas clients
+ cls.tap_services_client = taas_client.TapServicesClient(
+ cls.os_primary.auth_provider,
+ CONF.network.catalog_type,
+ CONF.network.region or CONF.identity.region,
+ endpoint_type=CONF.network.endpoint_type,
+ build_interval=CONF.network.build_interval,
+ build_timeout=CONF.network.build_timeout,
+ **cls.os_primary.default_params)
+ cls.tap_flows_client = taas_client.TapFlowsClient(
+ cls.os_primary.auth_provider,
+ CONF.network.catalog_type,
+ CONF.network.region or CONF.identity.region,
+ endpoint_type=CONF.network.endpoint_type,
+ build_interval=CONF.network.build_interval,
+ build_timeout=CONF.network.build_timeout,
+ **cls.os_primary.default_params)
+
+ def _create_subnet(self, network, subnets_client=None,
+ namestart='subnet-smoke', **kwargs):
+ """Create a subnet for the given network
+
+ within the cidr block configured for tenant networks.
+ """
+ if not subnets_client:
+ subnets_client = self.client
+
+ def cidr_in_use(cidr, tenant_id):
+ """Check cidr existence
+
+ :returns: True if subnet with cidr already exist in tenant
+ False else
+ """
+ cidr_in_use = self.os_admin.network_client.list_subnets(
+ tenant_id=tenant_id, cidr=cidr)['subnets']
+ return len(cidr_in_use) != 0
+
+ ip_version = kwargs.pop('ip_version', 4)
+
+ if ip_version == 6:
+ tenant_cidr = netaddr.IPNetwork(
+ CONF.network.project_network_v6_cidr)
+ num_bits = CONF.network.project_network_v6_mask_bits
+ else:
+ tenant_cidr = netaddr.IPNetwork(CONF.network.project_network_cidr)
+ num_bits = CONF.network.project_network_mask_bits
+
+ result = None
+ str_cidr = None
+ # Repeatedly attempt subnet creation with sequential cidr
+ # blocks until an unallocated block is found.
+ for subnet_cidr in tenant_cidr.subnet(num_bits):
+ str_cidr = str(subnet_cidr)
+ if cidr_in_use(str_cidr, tenant_id=network['tenant_id']):
+ continue
+
+ subnet = dict(
+ name=data_utils.rand_name(namestart),
+ network_id=network['id'],
+ tenant_id=network['tenant_id'],
+ cidr=str_cidr,
+ ip_version=ip_version,
+ **kwargs
+ )
+ try:
+ result = subnets_client.create_subnet(**subnet)
+ break
+ except lib_exc.Conflict as e:
+ is_overlapping_cidr = 'overlaps with another subnet' in str(e)
+ if not is_overlapping_cidr:
+ raise
+ assert result is not None, 'Unable to allocate tenant network'
+
+ subnet = result['subnet']
+ assert subnet['cidr'] == str_cidr
+
+ self.addCleanup(test_utils.call_and_ignore_notfound_exc,
+ subnets_client.delete_subnet, subnet['id'])
+
+ return subnet
+
+ def _get_server_port_id_and_ip4(self, server, ip_addr=None):
+ ports = self.os_admin.network_client.list_ports(
+ device_id=server['id'], fixed_ip=ip_addr)['ports']
+ # A port can have more than one IP address in some cases.
+ # If the network is dual-stack (IPv4 + IPv6), this port is associated
+ # with 2 subnets
+ p_status = ['ACTIVE']
+ # NOTE(vsaienko) With Ironic, instances live on separate hardware
+ # servers. Neutron does not bind ports for Ironic instances, as a
+ # result the port remains in the DOWN state.
+ # TODO(vsaienko) remove once bug: #1599836 is resolved.
+ if getattr(CONF.service_available, 'ironic', False):
+ p_status.append('DOWN')
+ port_map = [(p["id"], fxip["ip_address"])
+ for p in ports
+ for fxip in p["fixed_ips"]
+ if netutils.is_valid_ipv4(fxip["ip_address"]) and
+ p['status'] in p_status]
+ inactive = [p for p in ports if p['status'] != 'ACTIVE']
+ if inactive:
+ LOG.warning("Instance has ports that are not ACTIVE: %s", inactive)
+
+ self.assertNotEqual(0, len(port_map),
+ "No IPv4 addresses found in: %s" % ports)
+ self.assertEqual(len(port_map), 1,
+ "Found multiple IPv4 addresses: %s. "
+ "Unable to determine which port to target."
+ % port_map)
+ return port_map[0]
+
+ def _get_network_by_name(self, network_name):
+ net = self.os_admin.network_client.list_networks(
+ name=network_name)['networks']
+ self.assertNotEqual(len(net), 0,
+ "Unable to get network by name: %s" % network_name)
+ return net[0]
+
+ def _run_in_background(self, sshclient, cmd):
+ runInBg = "nohup %s 2>&1 &" % cmd
+ sshclient.exec_command(runInBg)
+
+ def create_networks(self, networks_client=None,
+ routers_client=None, subnets_client=None,
+ dns_nameservers=None, port_security_enabled=True):
+ """Create a network with a subnet connected to a router.
+
+ The baremetal driver is a special case since all nodes are
+ on the same shared network.
+
+ :param dns_nameservers: list of dns servers to send to subnet.
+ :returns: network, subnet, router
+ """
+ if CONF.network.shared_physical_network:
+ # NOTE(Shrews): This exception is for environments where tenant
+ # credential isolation is available, but network separation is
+ # not (the current baremetal case). Likely can be removed when
+ # test account mgmt is reworked:
+ # https://blueprints.launchpad.net/tempest/+spec/test-accounts
+ if not CONF.compute.fixed_network_name:
+ m = 'fixed_network_name must be specified in config'
+ raise lib_exc.InvalidConfiguration(m)
+ network = self._get_network_by_name(
+ CONF.compute.fixed_network_name)
+ router = None
+ subnet = None
+ else:
+ network = self.create_network(
+ client=networks_client,
+ port_security_enabled=port_security_enabled)
+ router = self._ensure_public_router(client=routers_client)
+ subnet_kwargs = dict(network=network,
+ subnets_client=subnets_client)
+ # use explicit check because empty list is a valid option
+ if dns_nameservers is not None:
+ subnet_kwargs['dns_nameservers'] = dns_nameservers
+ subnet = self._create_subnet(**subnet_kwargs)
+ if not routers_client:
+ routers_client = self.client
+ router_id = router['id']
+ routers_client.add_router_interface_with_subnet_id(
+ router_id=router_id, subnet_id=subnet['id'])
+
+ # save a cleanup job to remove this association between
+ # router and subnet
+ self.addCleanup(
+ test_utils.call_and_ignore_notfound_exc,
+ routers_client.remove_router_interface_with_subnet_id,
+ router_id=router_id, subnet_id=subnet['id'])
+ return network, subnet, router
+
+ def _create_server_with_floatingip(self, use_taas_cloud_image=False,
+ provider_net=False, **kwargs):
+ network = self.network
+ if use_taas_cloud_image:
+ image = CONF.neutron_plugin_options.advanced_image_ref
+ flavor = CONF.neutron_plugin_options.advanced_image_flavor_ref
+ else:
+ flavor = CONF.compute.flavor_ref
+ image = CONF.compute.image_ref
+
+ if provider_net:
+ network = self.provider_network
+
+ port = self.create_port(
+ network=network, security_groups=[self.secgroup['id']], **kwargs)
+ self.addCleanup(test_utils.call_and_ignore_notfound_exc,
+ self.client.delete_port, port['id'])
+
+ params = {
+ 'flavor_ref': flavor,
+ 'image_ref': image,
+ 'key_name': self.keypair['name']
+ }
+ vm = self.create_server(networks=[{'port': port['id']}], **params)
+ self.wait_for_server_active(vm['server'])
+ self.wait_for_guest_os_ready(vm['server'])
+
+ fip = self.create_and_associate_floatingip(
+ port_id=port['id'])
+
+ return port, fip
+
+ def _setup_provider_network(self):
+ net = self._create_provider_network()
+ self._create_provider_subnet(net["id"])
+ return net
+
+ def _create_provider_network(self):
+ network_kwargs = {
+ "admin_state_up": True,
+ "shared": True,
+ "provider:network_type": "vlan",
+ "provider:physical_network":
+ CONF.taas.provider_physical_network,
+ }
+
+ segmentation_id = CONF.taas.provider_segmentation_id
+ if segmentation_id and segmentation_id == "0":
+ network_kwargs['provider:network_type'] = 'flat'
+ elif segmentation_id:
+ network_kwargs['provider:segmentation_id'] = segmentation_id
+
+ network = self.admin_network_client.create_network(
+ **network_kwargs)['network']
+ self.addCleanup(test_utils.call_and_ignore_notfound_exc,
+ self.admin_network_client.delete_network,
+ network['id'])
+
+ return network
+
+ def _create_provider_subnet(self, net_id):
+ subnet = dict(
+ network_id=net_id,
+ cidr="172.25.100.0/24",
+ ip_version=4,
+ )
+ result = self.admin_network_client.create_subnet(**subnet)
+ self.addCleanup(
+ test_utils.call_and_ignore_notfound_exc,
+ self.admin_network_client.delete_subnet, result['subnet']['id'])
+
+ self.admin_network_client.add_router_interface_with_subnet_id(
+ self.router['id'], subnet_id=result['subnet']['id'])
+
+ self.addCleanup(
+ test_utils.call_and_ignore_notfound_exc,
+ self.admin_network_client.remove_router_interface_with_subnet_id,
+ self.router['id'], subnet_id=result['subnet']['id'])
diff --git a/neutron_tempest_plugin/tap_as_a_service/scenario/test_taas.py b/neutron_tempest_plugin/tap_as_a_service/scenario/test_taas.py
new file mode 100644
index 0000000..5598fbe
--- /dev/null
+++ b/neutron_tempest_plugin/tap_as_a_service/scenario/test_taas.py
@@ -0,0 +1,249 @@
+# Copyright (c) 2015 Midokura SARL
+# 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.
+
+from oslo_log import log as logging
+from tempest.common import utils
+from tempest import config
+from tempest.lib.common.utils import data_utils
+from tempest.lib.common.utils import test_utils
+from tempest.lib import decorators
+from tempest.lib import exceptions as lib_exc
+import testtools
+
+from neutron_tempest_plugin.tap_as_a_service.scenario import manager
+
+CONF = config.CONF
+LOG = logging.getLogger(__name__)
+
+
+# pylint: disable=too-many-ancestors
+class TestTaaS(manager.BaseTaasScenarioTests):
+ """Config Requirement in tempest.conf:
+
+ - project_network_cidr_bits- specifies the subnet range for each network
+ - project_network_cidr
+ - public_network_id.
+ """
+
+ @classmethod
+ @utils.requires_ext(extension='taas', service='network')
+ @utils.requires_ext(extension='security-group', service='network')
+ @utils.requires_ext(extension='router', service='network')
+ def skip_checks(cls):
+ super(TestTaaS, cls).skip_checks()
+
+ @classmethod
+ def resource_setup(cls):
+ super(TestTaaS, cls).resource_setup()
+ cls.keypair = cls.create_keypair()
+ cls.secgroup = cls.create_security_group(
+ name=data_utils.rand_name('secgroup'))
+ cls.create_loginable_secgroup_rule(secgroup_id=cls.secgroup['id'])
+ LOG.debug("TaaSScenarioTest Setup done.")
+
+ def _create_server(self, network, security_group=None):
+ """Create a server
+
+ Creates a server having a port on given network and security group.
+ """
+ keys = self.create_keypair()
+ kwargs = {}
+ if security_group is not None:
+ kwargs['security_groups'] = [{'name': security_group['name']}]
+ server = self.create_server(
+ key_name=keys['name'],
+ networks=[{'uuid': network['id']}],
+ flavor_ref=CONF.compute.flavor_ref,
+ image_ref=CONF.compute.image_ref,
+ **kwargs)
+ self.wait_for_server_active(server['server'])
+ self.wait_for_guest_os_ready(server['server'])
+ return server, keys
+
+ @testtools.skipUnless(CONF.taas.provider_physical_network,
+ 'Provider physical network parameter not provided.')
+ @utils.requires_ext(extension="provider", service="network")
+ def _create_network_sriov(self, networks_client=None,
+ tenant_id=None,
+ namestart='network-smoke-sriov-',
+ port_security_enabled=True):
+ if not networks_client:
+ networks_client = self.networks_client
+ if not tenant_id:
+ tenant_id = networks_client.tenant_id
+ name = data_utils.rand_name(namestart)
+ network_kwargs = dict(name=name, tenant_id=tenant_id)
+ # Neutron disables port security by default so we have to check the
+ # config before trying to create the network with
+ # port_security_enabled
+ if CONF.network_feature_enabled.port_security:
+ network_kwargs['port_security_enabled'] = port_security_enabled
+
+ if CONF.network.port_vnic_type and \
+ CONF.network.port_vnic_type == 'direct':
+ network_kwargs['provider:network_type'] = 'vlan'
+ if CONF.taas_plugin_options.provider_segmentation_id:
+ if CONF.taas_plugin_options.provider_segmentation_id == '0':
+ network_kwargs['provider:network_type'] = 'flat'
+ else:
+ network_kwargs['provider:segmentation_id'] = \
+ CONF.taas_plugin_options.provider_segmentation_id
+
+ network_kwargs['provider:physical_network'] = \
+ CONF.taas_plugin_options.provider_physical_network
+
+ result = networks_client.create_network(**network_kwargs)
+ network = result['network']
+ self.assertEqual(network['name'], name)
+ self.addCleanup(test_utils.call_and_ignore_notfound_exc,
+ networks_client.delete_network,
+ network['id'])
+ return network
+
+ @testtools.skipUnless(CONF.taas.provider_physical_network,
+ 'Provider physical network parameter not provided.')
+ @utils.requires_ext(extension="provider", service="network")
+ def create_networks_sriov(self, networks_client=None,
+ routers_client=None, subnets_client=None,
+ tenant_id=None, dns_nameservers=None,
+ port_security_enabled=True):
+ """Create a network with a subnet connected to a router.
+
+ The baremetal driver is a special case since all nodes are
+ on the same shared network.
+
+ :param tenant_id: id of tenant to create resources in.
+ :param dns_nameservers: list of dns servers to send to subnet.
+ :returns: network, subnet, router
+ """
+ router = None
+ if CONF.network.shared_physical_network:
+ # NOTE(Shrews): This exception is for environments where tenant
+ # credential isolation is available, but network separation is
+ # not (the current baremetal case). Likely can be removed when
+ # test account mgmt is reworked:
+ # https://blueprints.launchpad.net/tempest/+spec/test-accounts
+ if not CONF.compute.fixed_network_name:
+ msg = 'fixed_network_name must be specified in config'
+ raise lib_exc.InvalidConfiguration(msg)
+ network = self._get_network_by_name(
+ CONF.compute.fixed_network_name)
+ subnet = None
+ else:
+ network = self._create_network_sriov(
+ networks_client=networks_client,
+ tenant_id=tenant_id,
+ port_security_enabled=port_security_enabled)
+ subnet_kwargs = dict(network=network,
+ subnets_client=subnets_client,
+ routers_client=routers_client)
+ # use explicit check because empty list is a valid option
+ if dns_nameservers is not None:
+ subnet_kwargs['dns_nameservers'] = dns_nameservers
+ subnet = self._create_subnet(**subnet_kwargs)
+ return network, subnet, router
+
+ def _create_topology(self):
+ """Topology
+
+ +----------+ +----------+
+ | "server" | | "server" |
+ | VM-1 | | VM-2 |
+ | | | |
+ +----+-----+ +----+-----+
+ | |
+ | |
+ +----+----+----+----+----+----+-----+
+ |
+ |
+ |
+ +------+------+
+ | "server" |
+ | tap-service |
+ +-------------+
+ """
+ LOG.debug('Starting Topology Creation')
+ resp = {}
+ # Create Network1 and Subnet1.
+ vnic_type = CONF.network.port_vnic_type
+ if vnic_type == 'direct':
+ self.network1, self.subnet1, self.router1 = \
+ self.create_networks_sriov()
+ else:
+ self.network1, self.subnet1, self.router1 = self.create_networks()
+ resp['network1'] = self.network1
+ resp['subnet1'] = self.subnet1
+ resp['router1'] = self.router1
+
+ # Create a security group allowing icmp and ssh traffic.
+ self.security_group = self.create_security_group(
+ name=data_utils.rand_name('secgroup'))
+ self.create_loginable_secgroup_rule(
+ secgroup_id=self.security_group['id'])
+
+ # Create 3 VMs and assign them a floating IP each.
+ port1, server_floating_ip_1 = self._create_server_with_floatingip()
+ port2, server_floating_ip_2 = self._create_server_with_floatingip()
+ port3, server_floating_ip_3 = self._create_server_with_floatingip()
+
+ # Store the received information to be used later
+ resp['port1'] = port1
+ resp['server_floating_ip_1'] = server_floating_ip_1
+
+ resp['port2'] = port2
+ resp['server_floating_ip_2'] = server_floating_ip_2
+
+ resp['port3'] = port3
+ resp['server_floating_ip_3'] = server_floating_ip_3
+
+ return resp
+
+ @utils.services('network')
+ @utils.requires_ext(extension="taas-vlan-filter", service="network")
+ @decorators.attr(type='slow')
+ @decorators.idempotent_id('40903cbd-0e3c-464d-b311-dc77d3894e65')
+ def test_tap_flow_data_mirroring(self):
+ """Create test topology and TaaS resources
+
+ Creates test topology consisting of 3 servers, one routable network,
+ ports and TaaS resources, i.e. tap-service and tap-flow using those
+ ports.
+ """
+ self.network, self.subnet, self.router = self.create_networks()
+ topology = self._create_topology()
+
+ # Create Tap-Service.
+ tap_service = self.tap_services_client.create_tap_service(
+ port_id=topology['port1']['id'])['tap_service']
+
+ LOG.debug('TaaS Config options: vlan-filter: %s',
+ CONF.taas.vlan_filter)
+
+ # Create Tap-Flow.
+ vnic_type = CONF.network.port_vnic_type
+ vlan_filter = None
+ if vnic_type == 'direct':
+ vlan_filter = '108-117,126,135-144'
+ if CONF.taas.vlan_filter:
+ vlan_filter = CONF.taas.vlan_filter
+ elif topology['network1']['provider:segmentation_id'] != '0':
+ vlan_filter = topology['network1']['provider:segmentation_id']
+
+ tap_flow = self.tap_flows_client.create_tap_flow(
+ tap_service_id=tap_service['id'], direction='BOTH',
+ source_port=topology['port3']['id'],
+ vlan_filter=vlan_filter)['tap_flow']
+
+ self.assertEqual(tap_flow['vlan_filter'], vlan_filter)
diff --git a/neutron_tempest_plugin/tap_as_a_service/scenario/test_traffic_impact.py b/neutron_tempest_plugin/tap_as_a_service/scenario/test_traffic_impact.py
new file mode 100644
index 0000000..e2b14c7
--- /dev/null
+++ b/neutron_tempest_plugin/tap_as_a_service/scenario/test_traffic_impact.py
@@ -0,0 +1,261 @@
+# Copyright (c) 2019 AT&T
+# 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.
+
+from contextlib import contextmanager
+from oslo_log import log
+import testtools
+
+from tempest.common import utils
+from tempest import config
+from tempest.lib.common.utils import data_utils
+from tempest.lib.common.utils.linux import remote_client
+from tempest.lib.common.utils import test_utils
+
+from tempest.lib import decorators
+
+from neutron_tempest_plugin.tap_as_a_service.scenario import manager
+
+
+CONF = config.CONF
+LOG = log.getLogger(__name__)
+
+
+class TestTaaSTrafficScenarios(manager.BaseTaasScenarioTests):
+
+ @classmethod
+ @utils.requires_ext(extension='taas', service='network')
+ @utils.requires_ext(extension='security-group', service='network')
+ @utils.requires_ext(extension='router', service='network')
+ def skip_checks(cls):
+ super(TestTaaSTrafficScenarios, cls).skip_checks()
+
+ @classmethod
+ def resource_setup(cls):
+ super(TestTaaSTrafficScenarios, cls).resource_setup()
+ cls.provider_network = None
+ cls.keypair = cls.create_keypair()
+ cls.secgroup = cls.create_security_group(
+ name=data_utils.rand_name('secgroup'))
+ cls.create_loginable_secgroup_rule(secgroup_id=cls.secgroup['id'])
+ cls.create_pingable_secgroup_rule(secgroup_id=cls.secgroup['id'])
+
+ @contextmanager
+ def _setup_topology(self, taas=True, use_taas_cloud_image=False,
+ provider_net=False):
+ """Setup topology for the test
+
+ +------------+
+ | monitor vm |
+ +-----+------+
+ |
+ +-----v---+
+ +--+ network <--+
+ | +----^----+ |
+ | | |
+ | +----+-+ +---+--+
+ | | vm 1 | | vm 2 |
+ | +------+ +------+
+ |
+ | +--------+
+ +--> router |
+ +-----+--+
+ |
+ +-----v------+
+ | public net |
+ +------------+
+ """
+ self.network, self.subnet, self.router = self.create_networks()
+ LOG.debug('Setup topology sbunet details: %s ', self.subnet)
+ if provider_net:
+ if CONF.taas.provider_physical_network:
+ self.provider_network = self._setup_provider_network()
+ else:
+ msg = "provider_physical_network not provided"
+ raise self.skipException(msg)
+
+ self.mon_port, mon_fip = self._create_server_with_floatingip(
+ use_taas_cloud_image=use_taas_cloud_image,
+ provider_net=provider_net)
+ LOG.debug('Setup topology monitor port: %s ### monitor FIP: %s ',
+ self.mon_port, mon_fip)
+ self.left_port, self.left_fip = self._create_server_with_floatingip(
+ provider_net=provider_net)
+ LOG.debug('Setup topology left port: %s ### left FIP: %s ',
+ self.left_port, self.left_fip)
+ self.right_port, self.right_fip = self._create_server_with_floatingip(
+ provider_net=provider_net)
+ LOG.debug('Setup topology right port: %s ### right FIP: %s ',
+ self.right_port, self.right_fip)
+
+ if taas:
+ LOG.debug("Create TAAS service")
+ tap_service = self.tap_services_client.create_tap_service(
+ port_id=self.mon_port['id'])['tap_service']
+ self.addCleanup(test_utils.call_and_ignore_notfound_exc,
+ self.client.delete_tap_service, tap_service['id'])
+ tap_flow = self.tap_flows_client.create_tap_flow(
+ tap_service_id=tap_service['id'], direction='BOTH',
+ source_port=self.left_port['id'])['tap_flow']
+ self.addCleanup(test_utils.call_and_ignore_notfound_exc,
+ self.client.delete_tap_flow, tap_flow['id'])
+ tap_flow = self.tap_flows_client.create_tap_flow(
+ tap_service_id=tap_service['id'], direction='BOTH',
+ source_port=self.right_port['id'])['tap_flow']
+ self.addCleanup(test_utils.call_and_ignore_notfound_exc,
+ self.client.delete_tap_flow, tap_flow['id'])
+
+ user = CONF.validation.image_ssh_user
+ if use_taas_cloud_image:
+ user = CONF.neutron_plugin_options.advanced_image_ssh_user
+
+ self.monitor_client = remote_client.RemoteClient(
+ mon_fip['floating_ip_address'], user,
+ pkey=self.keypair['private_key'])
+ self.monitor_client.validate_authentication()
+ self.left_client = remote_client.RemoteClient(
+ self.left_fip['floating_ip_address'],
+ CONF.validation.image_ssh_user,
+ pkey=self.keypair['private_key'])
+ self.left_client.validate_authentication()
+ self.right_client = remote_client.RemoteClient(
+ self.right_fip['floating_ip_address'],
+ CONF.validation.image_ssh_user,
+ pkey=self.keypair['private_key'])
+ self.right_client.validate_authentication()
+ yield
+
+ def _check_icmp_traffic(self):
+ log_location = "/tmp/tcpdumplog"
+
+ right_ip = self.right_port['fixed_ips'][0]['ip_address']
+ left_ip = self.left_port['fixed_ips'][0]['ip_address']
+
+ # Run tcpdump in background
+ self._run_in_background(self.monitor_client,
+ "sudo tcpdump -n -nn > %s" % log_location)
+
+ # Ensure tcpdump is up and running
+ psax = self.monitor_client.exec_command("ps -ax")
+ self.assertTrue("tcpdump" in psax)
+
+ # Run traffic from left_vm to right_vm
+ LOG.debug('Check ICMP traffic: ping %s ', right_ip)
+ # self.left_client.exec_command(
+ # "ping -c 50 %s" % self.right_fip['floating_ip_address'])
+ self.check_remote_connectivity(self.left_client, right_ip,
+ ping_count=50)
+
+ # Collect tcpdump results
+ output = self.monitor_client.exec_command("cat %s" % log_location)
+ self.assertLess(0, len(output))
+
+ looking_for = ["IP %s > %s: ICMP echo request" % (left_ip, right_ip),
+ "IP %s > %s: ICMP echo reply" % (right_ip, left_ip)]
+
+ results = []
+ for tcpdump_line in looking_for:
+ results.append(tcpdump_line in output)
+
+ return all(results)
+
+ def _test_taas_connectivity(self, use_provider_net=False):
+ """Ensure TAAS doesn't break connectivity
+
+ This test creates TAAS service between two servers and checks that
+ it doesn't break basic connectivity between them.
+ """
+ # Check uninterrupted traffic between VMs
+ with self._setup_topology(provider_net=use_provider_net):
+ # Left to right
+ self.check_remote_connectivity(
+ self.left_client,
+ self.right_port['fixed_ips'][0]['ip_address'])
+
+ # Right to left
+ self.check_remote_connectivity(
+ self.right_client,
+ self.left_port['fixed_ips'][0]['ip_address'])
+
+ # TAAS vm to right
+ self.check_remote_connectivity(
+ self.monitor_client,
+ self.right_port['fixed_ips'][0]['ip_address'])
+
+ # TAAS vm to left
+ self.check_remote_connectivity(
+ self.monitor_client,
+ self.left_port['fixed_ips'][0]['ip_address'])
+
+ @decorators.idempotent_id('ff414b7d-e81c-47f2-b6c8-53bc2f1e9b00')
+ @decorators.attr(type='slow')
+ @utils.services('compute', 'network')
+ def test_taas_provider_network_connectivity(self):
+ self._test_taas_connectivity(use_provider_net=True)
+
+ @decorators.idempotent_id('e3c52e91-7abf-4dfd-8687-f7c071cdd333')
+ @decorators.attr(type='slow')
+ @utils.services('compute', 'network')
+ def test_taas_network_connectivity(self):
+ self._test_taas_connectivity(use_provider_net=False)
+
+ @decorators.idempotent_id('fcb15ca3-ef61-11e9-9792-f45c89c47e11')
+ @testtools.skipUnless(CONF.neutron_plugin_options.advanced_image_ref,
+ 'Cloud image not found.')
+ @decorators.attr(type='slow')
+ @utils.services('compute', 'network')
+ def test_taas_forwarded_traffic_positive(self):
+ """Check that TAAS forwards traffic as expected"""
+
+ with self._setup_topology(use_taas_cloud_image=True):
+ # Check that traffic was forwarded to TAAS service
+ self.assertTrue(self._check_icmp_traffic())
+
+ @decorators.idempotent_id('6c54d9c5-075a-4a1f-bbe6-12c3c9abf1e2')
+ @testtools.skipUnless(CONF.neutron_plugin_options.advanced_image_ref,
+ 'Cloud image not found.')
+ @decorators.attr(type='slow')
+ @utils.services('compute', 'network')
+ def test_taas_forwarded_traffic_negative(self):
+ """Check that TAAS doesn't forward traffic"""
+
+ with self._setup_topology(taas=False, use_taas_cloud_image=True):
+ # Check that traffic was NOT forwarded to TAAS service
+ self.assertFalse(self._check_icmp_traffic())
+
+ @decorators.idempotent_id('fcb15ca3-ef61-11e9-9792-f45c89c47e12')
+ @testtools.skipUnless(CONF.neutron_plugin_options.advanced_image_ref,
+ 'Cloud image not found.')
+ @decorators.attr(type='slow')
+ @utils.services('compute', 'network')
+ def test_taas_forwarded_traffic_provider_net_positive(self):
+ """Check that TAAS forwards traffic as expected in provider network"""
+
+ with self._setup_topology(use_taas_cloud_image=True,
+ provider_net=True):
+ # Check that traffic was forwarded to TAAS service
+ self.assertTrue(self._check_icmp_traffic())
+
+ @decorators.idempotent_id('6c54d9c5-075a-4a1f-bbe6-12c3c9abf1e3')
+ @testtools.skipUnless(CONF.neutron_plugin_options.advanced_image_ref,
+ 'Cloud image not found.')
+ @decorators.attr(type='slow')
+ @utils.services('compute', 'network')
+ def test_taas_forwarded_traffic_provider_net_negative(self):
+ """Check that TAAS doesn't forward traffic in provider network"""
+
+ with self._setup_topology(taas=False, use_taas_cloud_image=True,
+ provider_net=True):
+ # Check that traffic was NOT forwarded to TAAS service
+ self.assertFalse(self._check_icmp_traffic())