Jose Guedez
488 lines
18 KiB
Python
488 lines
18 KiB
Python
#!/usr/bin/env python3
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# Copyright 2018 Canonical Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Encapsulating `neutron-openvswitch` testing."""
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import logging
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import tenacity
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import unittest
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import zaza
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import zaza.openstack.charm_tests.glance.setup as glance_setup
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import zaza.openstack.charm_tests.nova.utils as nova_utils
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import zaza.openstack.charm_tests.test_utils as test_utils
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import zaza.openstack.configure.guest as guest
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import zaza.openstack.utilities.openstack as openstack_utils
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class NeutronGatewayTest(test_utils.OpenStackBaseTest):
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"""Test basic Neutron Gateway Charm functionality."""
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@classmethod
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def setUpClass(cls):
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"""Run class setup for running Neutron Gateway tests."""
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super(NeutronGatewayTest, cls).setUpClass()
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cls.current_os_release = openstack_utils.get_os_release()
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cls.services = cls._get_services()
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bionic_stein = openstack_utils.get_os_release('bionic_stein')
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cls.pgrep_full = (True if cls.current_os_release >= bionic_stein
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else False)
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def test_900_restart_on_config_change(self):
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"""Checking restart happens on config change.
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Change disk format and assert then change propagates to the correct
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file and that services are restarted as a result
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"""
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# Expected default and alternate values
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current_value = zaza.model.get_application_config(
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'neutron-gateway')['debug']['value']
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new_value = str(not bool(current_value)).title()
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current_value = str(current_value).title()
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set_default = {'debug': current_value}
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set_alternate = {'debug': new_value}
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default_entry = {'DEFAULT': {'debug': [current_value]}}
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alternate_entry = {'DEFAULT': {'debug': [new_value]}}
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# Config file affected by juju set config change
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conf_file = '/etc/neutron/neutron.conf'
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# Make config change, check for service restarts
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logging.info(
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'Setting verbose on neutron-api {}'.format(set_alternate))
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self.restart_on_changed(
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conf_file,
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set_default,
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set_alternate,
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default_entry,
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alternate_entry,
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self.services,
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pgrep_full=self.pgrep_full)
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def test_910_pause_and_resume(self):
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"""Run pause and resume tests.
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Pause service and check services are stopped then resume and check
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they are started
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"""
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with self.pause_resume(
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self.services,
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pgrep_full=self.pgrep_full):
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logging.info("Testing pause resume")
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def test_920_change_aa_profile(self):
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"""Test changing the Apparmor profile mode."""
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services = ['neutron-openvswitch-agent',
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'neutron-dhcp-agent',
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'neutron-l3-agent',
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'neutron-metadata-agent',
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'neutron-metering-agent']
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set_default = {'aa-profile-mode': 'disable'}
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set_alternate = {'aa-profile-mode': 'complain'}
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mtime = zaza.model.get_unit_time(
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self.lead_unit,
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model_name=self.model_name)
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logging.debug('Remote unit timestamp {}'.format(mtime))
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with self.config_change(set_default, set_alternate):
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for unit in zaza.model.get_units('neutron-gateway',
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model_name=self.model_name):
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logging.info('Checking number of profiles in complain '
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'mode in {}'.format(unit.entity_id))
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run = zaza.model.run_on_unit(
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unit.entity_id,
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'aa-status --complaining',
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model_name=self.model_name)
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output = run['Stdout']
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self.assertTrue(int(output) >= len(services))
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@classmethod
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def _get_services(cls):
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"""
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Return the services expected in Neutron Gateway.
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:returns: A list of services
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:rtype: list[str]
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"""
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services = ['neutron-dhcp-agent',
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'neutron-metadata-agent',
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'neutron-metering-agent',
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'neutron-openvswitch-agent']
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trusty_icehouse = openstack_utils.get_os_release('trusty_icehouse')
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xenial_newton = openstack_utils.get_os_release('xenial_newton')
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bionic_train = openstack_utils.get_os_release('bionic_train')
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if cls.current_os_release <= trusty_icehouse:
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services.append('neutron-vpn-agent')
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if cls.current_os_release < xenial_newton:
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services.append('neutron-lbaas-agent')
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if xenial_newton <= cls.current_os_release < bionic_train:
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services.append('neutron-lbaasv2-agent')
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return services
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class NeutronApiTest(test_utils.OpenStackBaseTest):
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"""Test basic Neutron API Charm functionality."""
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@classmethod
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def setUpClass(cls):
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"""Run class setup for running Neutron Gateway tests."""
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super(NeutronApiTest, cls).setUpClass()
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cls.current_os_release = openstack_utils.get_os_release()
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# set up clients
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cls.neutron_client = (
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openstack_utils.get_neutron_session_client(cls.keystone_session))
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def test_400_create_network(self):
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"""Create a network, verify that it exists, and then delete it."""
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logging.debug('Creating neutron network...')
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self.neutron_client.format = 'json'
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net_name = 'test_net'
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# Verify that the network doesn't exist
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networks = self.neutron_client.list_networks(name=net_name)
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net_count = len(networks['networks'])
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assert net_count == 0, (
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"Expected zero networks, found {}".format(net_count))
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# Create a network and verify that it exists
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network = {'name': net_name}
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self.neutron_client.create_network({'network': network})
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networks = self.neutron_client.list_networks(name=net_name)
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logging.debug('Networks: {}'.format(networks))
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net_len = len(networks['networks'])
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assert net_len == 1, (
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"Expected 1 network, found {}".format(net_len))
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logging.debug('Confirming new neutron network...')
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network = networks['networks'][0]
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assert network['name'] == net_name, "network ext_net not found"
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# Cleanup
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logging.debug('Deleting neutron network...')
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self.neutron_client.delete_network(network['id'])
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def test_401_enable_qos(self):
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"""Check qos settings set via neutron-api charm."""
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if (self.current_os_release >=
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openstack_utils.get_os_release('trusty_mitaka')):
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logging.info('running qos check')
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with self.config_change(
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{'enable-qos': 'False'},
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{'enable-qos': 'True'},
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application_name="neutron-api"):
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self._validate_openvswitch_agent_qos()
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def test_900_restart_on_config_change(self):
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"""Checking restart happens on config change.
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Change disk format and assert then change propagates to the correct
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file and that services are restarted as a result
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"""
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# Expected default and alternate values
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current_value = zaza.model.get_application_config(
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'neutron-api')['debug']['value']
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new_value = str(not bool(current_value)).title()
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current_value = str(current_value).title()
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set_default = {'debug': current_value}
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set_alternate = {'debug': new_value}
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default_entry = {'DEFAULT': {'debug': [current_value]}}
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alternate_entry = {'DEFAULT': {'debug': [new_value]}}
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# Config file affected by juju set config change
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conf_file = '/etc/neutron/neutron.conf'
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# Make config change, check for service restarts
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logging.info(
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'Setting verbose on neutron-api {}'.format(set_alternate))
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bionic_stein = openstack_utils.get_os_release('bionic_stein')
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if openstack_utils.get_os_release() >= bionic_stein:
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pgrep_full = True
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else:
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pgrep_full = False
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self.restart_on_changed(
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conf_file,
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set_default,
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set_alternate,
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default_entry,
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alternate_entry,
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['neutron-server'],
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pgrep_full=pgrep_full)
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def test_901_pause_resume(self):
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"""Run pause and resume tests.
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Pause service and check services are stopped then resume and check
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they are started
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"""
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bionic_stein = openstack_utils.get_os_release('bionic_stein')
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if openstack_utils.get_os_release() >= bionic_stein:
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pgrep_full = True
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else:
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pgrep_full = False
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with self.pause_resume(
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["neutron-server", "apache2", "haproxy"],
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pgrep_full=pgrep_full):
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logging.info("Testing pause resume")
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@tenacity.retry(wait=tenacity.wait_exponential(min=5, max=60))
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def _validate_openvswitch_agent_qos(self):
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"""Validate that the qos extension is enabled in the ovs agent."""
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# obtain the dhcp agent to identify the neutron-gateway host
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dhcp_agent = self.neutron_client.list_agents(
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binary='neutron-dhcp-agent')['agents'][0]
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neutron_gw_host = dhcp_agent['host']
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logging.debug('neutron gw host: {}'.format(neutron_gw_host))
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# check extensions on the ovs agent to validate qos
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ovs_agent = self.neutron_client.list_agents(
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binary='neutron-openvswitch-agent',
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host=neutron_gw_host)['agents'][0]
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self.assertIn('qos', ovs_agent['configurations']['extensions'])
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class SecurityTest(test_utils.OpenStackBaseTest):
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"""Neutron Security Tests."""
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def test_security_checklist(self):
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"""Verify expected state with security-checklist."""
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expected_failures = []
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expected_passes = [
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'validate-file-ownership',
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'validate-file-permissions',
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]
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expected_to_pass = True
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# override settings depending on application name so we can reuse
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# the class for multiple charms
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if self.application_name == 'neutron-api':
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tls_checks = [
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'validate-uses-tls-for-keystone',
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]
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expected_failures = [
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'validate-enables-tls', # LP: #1851610
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]
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expected_passes.append('validate-uses-keystone')
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if zaza.model.get_relation_id(
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'neutron-api',
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'vault',
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remote_interface_name='certificates'):
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expected_passes.extend(tls_checks)
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else:
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expected_failures.extend(tls_checks)
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expected_to_pass = False
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for unit in zaza.model.get_units(self.application_name,
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model_name=self.model_name):
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logging.info('Running `security-checklist` action'
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' on unit {}'.format(unit.entity_id))
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test_utils.audit_assertions(
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zaza.model.run_action(
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unit.entity_id,
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'security-checklist',
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model_name=self.model_name,
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action_params={}),
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expected_passes,
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expected_failures,
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expected_to_pass=expected_to_pass)
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class NeutronNetworkingTest(unittest.TestCase):
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"""Ensure that openstack instances have valid networking."""
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RESOURCE_PREFIX = 'zaza-neutrontests'
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@classmethod
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def setUpClass(cls):
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"""Run class setup for running Neutron API Networking tests."""
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cls.keystone_session = (
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openstack_utils.get_overcloud_keystone_session())
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cls.nova_client = (
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openstack_utils.get_nova_session_client(cls.keystone_session))
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# NOTE(fnordahl): in the event of a test failure we do not want to run
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# tear down code as it will make debugging a problem virtually
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# impossible. To alleviate each test method will set the
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# `run_tearDown` instance variable at the end which will let us run
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# tear down only when there were no failure.
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cls.run_tearDown = False
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@classmethod
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def tearDown(cls):
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"""Remove test resources."""
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if cls.run_tearDown:
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logging.info('Running teardown')
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for server in cls.nova_client.servers.list():
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if server.name.startswith(cls.RESOURCE_PREFIX):
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openstack_utils.delete_resource(
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cls.nova_client.servers,
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server.id,
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msg="server")
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def test_instances_have_networking(self):
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"""Validate North/South and East/West networking."""
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guest.launch_instance(
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glance_setup.LTS_IMAGE_NAME,
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vm_name='{}-ins-1'.format(self.RESOURCE_PREFIX))
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guest.launch_instance(
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glance_setup.LTS_IMAGE_NAME,
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vm_name='{}-ins-2'.format(self.RESOURCE_PREFIX))
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instance_1 = self.nova_client.servers.find(
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name='{}-ins-1'.format(self.RESOURCE_PREFIX))
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instance_2 = self.nova_client.servers.find(
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name='{}-ins-2'.format(self.RESOURCE_PREFIX))
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def verify(stdin, stdout, stderr):
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"""Validate that the SSH command exited 0."""
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self.assertEqual(stdout.channel.recv_exit_status(), 0)
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# Verify network from 1 to 2
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self.validate_instance_can_reach_other(instance_1, instance_2, verify)
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# Verify network from 2 to 1
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self.validate_instance_can_reach_other(instance_2, instance_1, verify)
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# Validate tenant to external network routing
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self.validate_instance_can_reach_router(instance_1, verify)
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self.validate_instance_can_reach_router(instance_2, verify)
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# If we get here, it means the tests passed
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self.run_tearDown = True
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@tenacity.retry(wait=tenacity.wait_exponential(multiplier=1, max=60),
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reraise=True, stop=tenacity.stop_after_attempt(8))
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def validate_instance_can_reach_other(self,
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instance_1,
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instance_2,
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verify):
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"""
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Validate that an instance can reach a fixed and floating of another.
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:param instance_1: The instance to check networking from
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:type instance_1: nova_client.Server
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:param instance_2: The instance to check networking from
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:type instance_2: nova_client.Server
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"""
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floating_1 = floating_ips_from_instance(instance_1)[0]
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floating_2 = floating_ips_from_instance(instance_2)[0]
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address_2 = fixed_ips_from_instance(instance_2)[0]
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username = guest.boot_tests['bionic']['username']
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password = guest.boot_tests['bionic'].get('password')
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privkey = openstack_utils.get_private_key(nova_utils.KEYPAIR_NAME)
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openstack_utils.ssh_command(
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username, floating_1, 'instance-1',
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'ping -c 1 {}'.format(address_2),
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password=password, privkey=privkey, verify=verify)
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openstack_utils.ssh_command(
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username, floating_1, 'instance-1',
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'ping -c 1 {}'.format(floating_2),
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password=password, privkey=privkey, verify=verify)
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@tenacity.retry(wait=tenacity.wait_exponential(multiplier=1, max=60),
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reraise=True, stop=tenacity.stop_after_attempt(8))
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def validate_instance_can_reach_router(self, instance, verify):
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"""
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Validate that an instance can reach it's primary gateway.
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We make the assumption that the router's IP is 192.168.0.1
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as that's the network that is setup in
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neutron.setup.basic_overcloud_network which is used in all
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Zaza Neutron validations.
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:param instance: The instance to check networking from
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:type instance: nova_client.Server
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"""
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address = floating_ips_from_instance(instance)[0]
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username = guest.boot_tests['bionic']['username']
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password = guest.boot_tests['bionic'].get('password')
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privkey = openstack_utils.get_private_key(nova_utils.KEYPAIR_NAME)
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openstack_utils.ssh_command(
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username, address, 'instance', 'ping -c 1 192.168.0.1',
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password=password, privkey=privkey, verify=verify)
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pass
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def floating_ips_from_instance(instance):
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"""
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Retrieve floating IPs from an instance.
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:param instance: The instance to fetch floating IPs from
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:type instance: nova_client.Server
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:returns: A list of floating IPs for the specified server
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:rtype: list[str]
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"""
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return ips_from_instance(instance, 'floating')
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def fixed_ips_from_instance(instance):
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"""
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Retrieve fixed IPs from an instance.
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:param instance: The instance to fetch fixed IPs from
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:type instance: nova_client.Server
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:returns: A list of fixed IPs for the specified server
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:rtype: list[str]
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"""
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return ips_from_instance(instance, 'fixed')
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def ips_from_instance(instance, ip_type):
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"""
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Retrieve IPs of a certain type from an instance.
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:param instance: The instance to fetch IPs from
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:type instance: nova_client.Server
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:param ip_type: the type of IP to fetch, floating or fixed
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:type ip_type: str
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:returns: A list of IPs for the specified server
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:rtype: list[str]
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"""
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if ip_type not in ['floating', 'fixed']:
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raise RuntimeError(
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"Only 'floating' and 'fixed' are valid IP types to search for"
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)
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return list([
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ip['addr'] for ip in instance.addresses['private']
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if ip['OS-EXT-IPS:type'] == ip_type])
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