92 lines
3.5 KiB
Python
92 lines
3.5 KiB
Python
# Copyright (c) 2020 Red Hat
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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 __future__ import absolute_import
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import collections
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import testtools
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import tobiko
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from tobiko.openstack import neutron
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from tobiko.openstack import stacks
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from tobiko.openstack import topology
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from tobiko.shell import ping
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from tobiko.shell import sh
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from tobiko.tripleo import undercloud
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@neutron.skip_if_missing_networking_agents(binary='neutron-openvswitch-agent')
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@neutron.skip_if_missing_networking_agents(binary='neutron-l3-agent')
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class OpenvswitchTest(testtools.TestCase):
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stack = tobiko.required_setup_fixture(stacks.CirrosServerStackFixture)
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def setUp(self):
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super(OpenvswitchTest, self).setUp()
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self.ovs_agents = neutron.list_agents(agent_type="Open vSwitch agent")
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self.router_id = self.stack.network_stack.gateway_id
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self.deleted_bridges = collections.defaultdict(set)
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def tearDown(self):
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super(OpenvswitchTest, self).tearDown()
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# Try to create all bridges which were deleted during the tests
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self._create_bridges()
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def _create_bridges(self):
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for host, bridges in self.deleted_bridges.items():
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self._create_bridge(host, bridges)
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def _create_bridge(self, hostname, bridges):
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for br_name in bridges:
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agent_host = topology.get_openstack_node(hostname=hostname)
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sh.execute(
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"sudo ovs-vsctl --may-exist add-br %s" % br_name,
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ssh_client=agent_host.ssh_client)
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def _delete_bridges(self, hostname, bridges):
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for br_name in bridges:
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agent_host = topology.get_openstack_node(hostname=hostname)
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sh.execute(
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"sudo ovs-vsctl del-br %s" % br_name,
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ssh_client=agent_host.ssh_client)
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self.deleted_bridges[hostname].add(br_name)
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def _get_agent_from_host(self, hostname):
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host_shortname = tobiko.get_short_hostname(hostname)
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for agent in self.ovs_agents:
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if host_shortname == tobiko.get_short_hostname(agent['host']):
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return agent
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raise neutron.AgentNotFoundOnHost(agent_type="neutron-ovs-agent",
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host=hostname)
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@undercloud.skip_if_missing_undercloud
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def test_recreate_physical_bridge(self):
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# Check if vm is reachable before test
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ping.ping_until_received(self.stack.ip_address).assert_replied()
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network_l3_agents = neutron.list_l3_agent_hosting_routers(
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self.router_id)
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for agent in network_l3_agents:
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# Get neutron-ovs-agent bridge mappings
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ovs_agent = self._get_agent_from_host(agent['host'])
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self._delete_bridges(
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agent['host'],
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ovs_agent['configurations']['bridge_mappings'].values())
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ping.ping_until_unreceived(self.stack.ip_address).assert_not_replied()
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self._create_bridges()
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ping.ping_until_received(self.stack.ip_address).assert_replied()
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