Exemplo n.º 1
0
    def test_cleanup_network_namespaces_cleans_dhcp_and_l3_namespaces(self):
        dhcp_namespace = self.useFixture(
            net_helpers.NamespaceFixture(dhcp.NS_PREFIX)).name
        l3_namespace = self.useFixture(
            net_helpers.NamespaceFixture(l3_agent.NS_PREFIX)).name
        bridge = self.useFixture(
            net_helpers.VethPortFixture(namespace=dhcp_namespace)).bridge
        self.useFixture(net_helpers.VethPortFixture(bridge, l3_namespace))

        # we scope the get_namespaces to our own ones not to affect other
        # tests, as otherwise cleanup will kill them all
        self.get_namespaces.return_value = [l3_namespace, dhcp_namespace]

        # launch processes in each namespace to make sure they're
        # killed during cleanup
        procs_launched = self._launch_processes([l3_namespace, dhcp_namespace])
        self.assertIsNot(procs_launched, 0)
        common_utils.wait_until_true(
            lambda: self._get_num_spawned_procs() == procs_launched,
            timeout=15,
            exception=Exception("Didn't spawn expected number of processes"))

        netns_cleanup.cleanup_network_namespaces(self.conf)

        self.get_namespaces_p.stop()
        namespaces_now = ip_lib.IPWrapper.get_namespaces()
        procs_after = self._get_num_spawned_procs()
        self.assertEqual(procs_after, 0)
        self.assertNotIn(l3_namespace, namespaces_now)
        self.assertNotIn(dhcp_namespace, namespaces_now)
Exemplo n.º 2
0
    def test_cleanup_network_namespaces_cleans_dhcp_and_l3_namespaces(self):
        dhcp_namespace = self.useFixture(
            net_helpers.NamespaceFixture(dhcp.NS_PREFIX)).name
        l3_namespace = self.useFixture(
            net_helpers.NamespaceFixture(namespaces.NS_PREFIX)).name
        bridge = self.useFixture(
            net_helpers.VethPortFixture(namespace=dhcp_namespace)).bridge
        self.useFixture(net_helpers.VethPortFixture(bridge, l3_namespace))

        # we scope the get_namespaces to our own ones not to affect other
        # tests, as otherwise cleanup will kill them all
        self.get_namespaces.return_value = [l3_namespace, dhcp_namespace]

        netns_cleanup.cleanup_network_namespaces(self.conf)

        self.get_namespaces_p.stop()
        namespaces_now = ip_lib.IPWrapper.get_namespaces()
        self.assertNotIn(l3_namespace, namespaces_now)
        self.assertNotIn(dhcp_namespace, namespaces_now)
Exemplo n.º 3
0
    def test_cleanup_network_namespaces_cleans_dhcp_and_l3_namespaces(self):
        dhcp_namespace = self.useFixture(
            net_helpers.NamespaceFixture(dhcp.NS_PREFIX)).name
        l3_namespace = self.useFixture(
            net_helpers.NamespaceFixture(namespaces.NS_PREFIX)).name
        bridge = self.useFixture(
            net_helpers.VethPortFixture(namespace=dhcp_namespace)).bridge
        self.useFixture(
            net_helpers.VethPortFixture(bridge, l3_namespace))

        # we scope the get_namespaces to our own ones not to affect other
        # tests, as otherwise cleanup will kill them all
        self.get_namespaces.return_value = [l3_namespace, dhcp_namespace]

        # launch processes in each namespace to make sure they're
        # killed during cleanup
        procs_launched = self._launch_processes([l3_namespace, dhcp_namespace])
        self.assertIsNot(procs_launched, 0)
        try:
            common_utils.wait_until_true(
                lambda: self._get_num_spawned_procs() == procs_launched,
                timeout=15)
        except eventlet.Timeout:
            num_spawned_procs = self._get_num_spawned_procs()
            err_str = ("Expected number/spawned number: {0}/{1}\nProcess "
                       "information:\n".format(num_spawned_procs,
                                               procs_launched))
            cmd = ['ps', '-f', '-u', 'root']
            err_str += utils.execute(cmd, run_as_root=True)

            raise Exception(err_str)

        netns_cleanup.cleanup_network_namespaces(self.conf)

        self.get_namespaces_p.stop()
        namespaces_now = ip_lib.list_network_namespaces()
        procs_after = self._get_num_spawned_procs()
        self.assertEqual(procs_after, 0)
        self.assertNotIn(l3_namespace, namespaces_now)
        self.assertNotIn(dhcp_namespace, namespaces_now)