How to use _check_network_internal_connectivity method in tempest

Best Python code snippet using tempest_python

test_network_basic_ops.py

Source:test_network_basic_ops.py

...248    def _get_server_nics(self, ssh_client):249        reg = re.compile(r'(?P<num>\d+): (?P<nic_name>\w+):')250        ipatxt = ssh_client.get_ip_list()251        return reg.findall(ipatxt)252    def _check_network_internal_connectivity(self, network,253                                             should_connect=True):254        """255        via ssh check VM internal connectivity:256        - ping internal gateway and DHCP port, implying in-tenant connectivity257        pinging both, because L3 and DHCP agents might be on different nodes258        """259        floating_ip, server = self.floating_ip_tuple260        # get internal ports' ips:261        # get all network ports in the new network262        internal_ips = (p['fixed_ips'][0]['ip_address'] for p in263                        self._list_ports(tenant_id=server['tenant_id'],264                                         network_id=network.id)265                        if p['device_owner'].startswith('network'))266        self._check_server_connectivity(floating_ip,267                                        internal_ips,268                                        should_connect)269    def _check_network_external_connectivity(self):270        """271        ping public network default gateway to imply external connectivity272        """273        if not CONF.network.public_network_id:274            msg = 'public network not defined.'275            LOG.info(msg)276            return277        # We ping the external IP from the instance using its floating IP278        # which is always IPv4, so we must only test connectivity to279        # external IPv4 IPs if the external network is dualstack.280        v4_subnets = [s for s in self._list_subnets(281            network_id=CONF.network.public_network_id) if s['ip_version'] == 4]282        self.assertEqual(1, len(v4_subnets),283                         "Found %d IPv4 subnets" % len(v4_subnets))284        external_ips = [v4_subnets[0]['gateway_ip']]285        self._check_server_connectivity(self.floating_ip_tuple.floating_ip,286                                        external_ips)287    def _check_server_connectivity(self, floating_ip, address_list,288                                   should_connect=True):289        ip_address = floating_ip.floating_ip_address290        private_key = self._get_server_key(self.floating_ip_tuple.server)291        ssh_source = self._ssh_to_server(ip_address, private_key)292        for remote_ip in address_list:293            if should_connect:294                msg = "Timed out waiting for "295                "%s to become reachable" % remote_ip296            else:297                msg = "ip address %s is reachable" % remote_ip298            try:299                self.assertTrue(self._check_remote_connectivity300                                (ssh_source, remote_ip, should_connect),301                                msg)302            except Exception:303                LOG.exception("Unable to access {dest} via ssh to "304                              "floating-ip {src}".format(dest=remote_ip,305                                                         src=floating_ip))306                raise307    @test.attr(type='smoke')308    @test.idempotent_id('f323b3ba-82f8-4db7-8ea6-6a895869ec49')309    @test.services('compute', 'network')310    def test_network_basic_ops(self):311        """312        For a freshly-booted VM with an IP address ("port") on a given313            network:314        - the Tempest host can ping the IP address.  This implies, but315         does not guarantee (see the ssh check that follows), that the316         VM has been assigned the correct IP address and has317         connectivity to the Tempest host.318        - the Tempest host can perform key-based authentication to an319         ssh server hosted at the IP address.  This check guarantees320         that the IP address is associated with the target VM.321        - the Tempest host can ssh into the VM via the IP address and322         successfully execute the following:323         - ping an external IP address, implying external connectivity.324         - ping an external hostname, implying that dns is correctly325           configured.326         - ping an internal IP address, implying connectivity to another327           VM on the same network.328        - detach the floating-ip from the VM and verify that it becomes329        unreachable330        - associate detached floating ip to a new VM and verify connectivity.331        VMs are created with unique keypair so connectivity also asserts that332        floating IP is associated with the new VM instead of the old one333        Verifies that floating IP status is updated correctly after each change334        """335        self._setup_network_and_servers()336        self.check_public_network_connectivity(should_connect=True)337        self._check_network_internal_connectivity(network=self.network)338        self._check_network_external_connectivity()339        self._disassociate_floating_ips()340        self.check_public_network_connectivity(should_connect=False,341                                               msg="after disassociate "342                                                   "floating ip")343        self._reassociate_floating_ips()344        self.check_public_network_connectivity(should_connect=True,345                                               msg="after re-associate "346                                                   "floating ip")347    @test.idempotent_id('1546850e-fbaa-42f5-8b5f-03d8a6a95f15')348    @testtools.skipIf(CONF.baremetal.driver_enabled,349                      'Baremetal relies on a shared physical network.')350    @test.services('compute', 'network')351    def test_connectivity_between_vms_on_different_networks(self):352        """353        For a freshly-booted VM with an IP address ("port") on a given354            network:355        - the Tempest host can ping the IP address.356        - the Tempest host can ssh into the VM via the IP address and357         successfully execute the following:358         - ping an external IP address, implying external connectivity.359         - ping an external hostname, implying that dns is correctly360           configured.361         - ping an internal IP address, implying connectivity to another362           VM on the same network.363        - Create another network on the same tenant with subnet, create364        an VM on the new network.365         - Ping the new VM from previous VM failed since the new network366         was not attached to router yet.367         - Attach the new network to the router, Ping the new VM from368         previous VM succeed.369        """370        self._setup_network_and_servers()371        self.check_public_network_connectivity(should_connect=True)372        self._check_network_internal_connectivity(network=self.network)373        self._check_network_external_connectivity()374        self._create_new_network(create_gateway=True)375        name = data_utils.rand_name('server-smoke')376        self._create_server(name, self.new_net)377        self._check_network_internal_connectivity(network=self.new_net,378                                                  should_connect=False)379        self.new_subnet.add_to_router(self.router.id)380        self._check_network_internal_connectivity(network=self.new_net,381                                                  should_connect=True)382    @test.idempotent_id('c5adff73-e961-41f1-b4a9-343614f18cfa')383    @testtools.skipUnless(CONF.compute_feature_enabled.interface_attach,384                          'NIC hotplug not available')385    @testtools.skipIf(CONF.network.port_vnic_type in ['direct', 'macvtap'],386                      'NIC hotplug not supported for '387                      'vnic_type direct or macvtap')388    @test.services('compute', 'network')389    def test_hotplug_nic(self):390        """391        1. create a new network, with no gateway (to prevent overwriting VM's392            gateway)393        2. connect VM to new network394        3. set static ip and bring new nic up395        4. check VM can ping new network dhcp port396        """397        self._setup_network_and_servers()398        self.check_public_network_connectivity(should_connect=True)399        self._create_new_network()400        self._hotplug_server()401        self._check_network_internal_connectivity(network=self.new_net)402    @test.idempotent_id('04b9fe4e-85e8-4aea-b937-ea93885ac59f')403    @testtools.skipIf(CONF.baremetal.driver_enabled,404                      'Router state cannot be altered on a shared baremetal '405                      'network')406    @test.services('compute', 'network')407    def test_update_router_admin_state(self):408        """409        1. Check public connectivity before updating410                admin_state_up attribute of router to False411        2. Check public connectivity after updating412                admin_state_up attribute of router to False413        3. Check public connectivity after updating414                admin_state_up attribute of router to True415        """...

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