Merge "[Scenario] New test to check extra_dhcp_opts"
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_log import log
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from paramiko import ssh_exception as ssh_exc
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from tempest.common import utils
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from tempest.lib.common.utils import data_utils
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from tempest.lib import decorators
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from tempest.lib import exceptions as lib_exc
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from neutron_tempest_plugin.common import ssh
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from neutron_tempest_plugin import config
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from neutron_tempest_plugin.scenario import base
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CONF = config.CONF
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LOG = log.getLogger(__name__)
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class DHCPTest(base.BaseTempestTestCase):
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credentials = ['primary', 'admin']
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force_tenant_isolation = False
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@classmethod
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def resource_setup(cls):
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super(DHCPTest, cls).resource_setup()
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cls.rand_name = data_utils.rand_name(
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cls.__name__.rsplit('.', 1)[-1])
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cls.network = cls.create_network(name=cls.rand_name)
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cls.subnet = cls.create_subnet(
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network=cls.network, name=cls.rand_name)
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cls.router = cls.create_router_by_client()
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cls.create_router_interface(cls.router['id'], cls.subnet['id'])
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cls.keypair = cls.create_keypair(name=cls.rand_name)
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cls.security_group = cls.create_security_group(name=cls.rand_name)
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cls.create_loginable_secgroup_rule(cls.security_group['id'])
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@utils.requires_ext(extension='extra_dhcp_opt', service='network')
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@decorators.idempotent_id('58f7c094-1980-4e03-b0d3-6c4dd27217b1')
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def test_extra_dhcp_opts(self):
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"""This test case tests DHCP extra options configured for Neutron port.
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Test is checking just extra option "15" which is domain-name
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according to the RFC 2132:
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https://tools.ietf.org/html/rfc2132#section-5.3
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To test that option, there is spawned VM connected to the port with
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configured extra_dhcp_opts and test asserts that search domain name is
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configured inside VM in /etc/resolv.conf file
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"""
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test_domain = "test.domain"
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extra_dhcp_opts = [
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{'opt_name': 'domain-name',
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'opt_value': '"%s"' % test_domain}]
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port = self.create_port(
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network=self.network, name=self.rand_name,
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security_groups=[self.security_group['id']],
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extra_dhcp_opts=extra_dhcp_opts)
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floating_ip = self.create_floatingip(port=port)
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server = self.create_server(
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flavor_ref=CONF.compute.flavor_ref,
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image_ref=CONF.compute.image_ref,
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key_name=self.keypair['name'],
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networks=[{'port': port['id']}])
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self.wait_for_server_active(server['server'])
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self.wait_for_guest_os_ready(server['server'])
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try:
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ssh_client = ssh.Client(
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floating_ip['floating_ip_address'],
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CONF.validation.image_ssh_user,
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pkey=self.keypair['private_key'])
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vm_resolv_conf = ssh_client.exec_command(
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"cat /etc/resolv.conf")
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self.assertIn(test_domain, vm_resolv_conf)
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except (lib_exc.SSHTimeout,
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ssh_exc.AuthenticationException,
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AssertionError) as error:
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LOG.debug(error)
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self._log_console_output([server])
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self._log_local_network_status()
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raise
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