Merge "Test that no router namespace is created for DVR on compute node"
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b4fc2404b0
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@ -130,3 +130,36 @@ class L3HARouterTest(RouterTest):
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for backup_agent in backup_agents:
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self._check_routers_namespace_on_host(
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backup_agent['host'], state="backup")
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class NetworkWithNoServersStack(stacks.NetworkStackFixture):
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pass
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@neutron.skip_unless_is_ovs()
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class DVRTest(testtools.TestCase):
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router_stack = tobiko.required_setup_fixture(NetworkWithNoServersStack)
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server_stack = tobiko.required_setup_fixture(
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stacks.CirrosExternalServerStackFixture)
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def setUp(self):
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super(DVRTest, self).setUp()
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if not self.router_stack.gateway_details.get('distributed'):
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tobiko.skip_test('No DVR enabled')
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def test_router_not_created_on_compute_if_no_instance_connected(self):
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'''Test that no router namespace is created for DVR on compute node
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Namespace should be only created if there is VM with router that is set
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as a default gateway. Need to verify that there will be no namespace
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created on the compute node where VM is connected to the external
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network. The same network is used as the default gateway for the router
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'''
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router_namespace = f'qrouter-{self.router_stack.gateway_details["id"]}'
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cirros_hypervisor = topology.get_openstack_node(
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hostname=self.server_stack.hypervisor_host)
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namespaces = ip.list_network_namespaces(
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ssh_client=cirros_hypervisor.ssh_client)
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self.assertNotIn(router_namespace, namespaces)
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