def test():
    global vm
    global mn_host
    global pub_mn_ip
    global mag_mn_ip

    test_stub.skip_if_scenario_not_multiple_networks()

    mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config, test_lib.scenario_file)
    if len(mn_host) != 1:
        test_util.test_fail('MN VM is running on %d host(s)' % len(mn_host))

    pub_mn_ip = os.environ['ZSTACK_BUILT_IN_HTTP_SERVER_IP']
    mag_mn_ip = res_ops.query_resource(res_ops.MANAGEMENT_NODE)[0].hostName
    os.environ['ZSTACK_BUILT_IN_HTTP_SERVER_IP'] = mag_mn_ip
   
    test_util.test_logger("shutdown host's network [%s] that mn vm is running on" % (mn_host[0].ip_))
    test_stub.shutdown_host_network(mn_host[0], test_lib.all_scenario_config, downMagt=False)
    test_util.test_logger("wait for 20 seconds to see if management node VM starts on another host")
    time.sleep(20)

    new_mn_host_ip = test_stub.get_host_by_consul_leader(test_lib.all_scenario_config, test_lib.scenario_file)
    if new_mn_host_ip == "" or new_mn_host_ip == mn_host[0].ip_ or new_mn_host_ip == mn_host[0].managementIp_:
        test_util.test_fail("management node VM not run correctly on [%s] after its former host [%s] down for 20s" % (new_mn_host_ip, mn_host[0].ip_))

    count = 120
    while count > 0:
        new_mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config, test_lib.scenario_file)
        if len(new_mn_host) == 1:
            test_util.test_logger("management node VM run after its former host down for 120s")
            break
        elif len(new_mn_host) > 1:
            test_util.test_fail("management node VM runs on more than one host after its former host down")
        time.sleep(5)
        count -= 1

    if len(new_mn_host) == 0:
        test_util.test_fail("management node VM does not run after its former host down for 120s")
    elif len(new_mn_host) > 1:
        test_util.test_fail("management node VM runs on more than one host after its former host down")

    try:
        node_ops.wait_for_management_server_start()
    except:
        test_util.test_fail("management node does not recover after its former host's network down")

    test_stub.ensure_hosts_connected(exclude_host=[mn_host[0]])
    test_stub.ensure_bss_host_connected_from_sep_net_down(test_lib.scenario_file, test_lib.all_scenario_config, downMagt=False)
    test_stub.ensure_bss_connected()
    test_stub.ensure_pss_connected()

    vm = test_stub.create_basic_vm()
    vm.check()
    vm.destroy()

    test_util.test_pass('Create VM Test Success')
def test():
    global vm
    global mn_host
    global pub_mn_ip
    global mag_mn_ip

    test_stub.skip_if_scenario_not_multiple_networks()

    mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config, test_lib.scenario_file)
    if len(mn_host) != 1:
        test_util.test_fail('MN VM is running on %d host(s)' % len(mn_host))

    pub_mn_ip = os.environ['ZSTACK_BUILT_IN_HTTP_SERVER_IP']
    mag_mn_ip = res_ops.query_resource(res_ops.MANAGEMENT_NODE)[0].hostName
    os.environ['ZSTACK_BUILT_IN_HTTP_SERVER_IP'] = mag_mn_ip
   
    test_util.test_logger("shutdown host's network [%s] that mn vm is running on" % (mn_host[0].ip_))
    test_stub.shutdown_host_network(mn_host[0], test_lib.all_scenario_config, downMagt=False)
    test_util.test_logger("wait for 20 seconds to see if management node VM starts on another host")
    time.sleep(20)

    new_mn_host_ip = test_stub.get_host_by_consul_leader(test_lib.all_scenario_config, test_lib.scenario_file)
    if new_mn_host_ip == "" or new_mn_host_ip == mn_host[0].ip_ or new_mn_host_ip == mn_host[0].managementIp_:
        test_util.test_fail("management node VM not run correctly on [%s] after its former host [%s] down for 20s" % (new_mn_host_ip, mn_host[0].ip_))

    count = 120
    while count > 0:
        new_mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config, test_lib.scenario_file)
        if len(new_mn_host) == 1:
            test_util.test_logger("management node VM run after its former host down for 120s")
            break
        elif len(new_mn_host) > 1:
            test_util.test_fail("management node VM runs on more than one host after its former host down")
        time.sleep(5)
        count -= 1

    if len(new_mn_host) == 0:
        test_util.test_fail("management node VM does not run after its former host down for 120s")
    elif len(new_mn_host) > 1:
        test_util.test_fail("management node VM runs on more than one host after its former host down")

    #node_ops.wait_for_management_server_start()
    test_stub.wrapper_of_wait_for_management_server_start(600)

    test_stub.ensure_hosts_connected(exclude_host=[mn_host[0]])
    test_stub.ensure_bss_host_connected_from_sep_net_down(test_lib.scenario_file, test_lib.all_scenario_config, downMagt=False)
    test_stub.ensure_bss_connected()
    test_stub.ensure_pss_connected()

    test_stub.return_pass_ahead_if_3sites("TEST PASS")
    vm = test_stub.create_basic_vm()
    vm.check()
    vm.destroy()

    test_util.test_pass('Create VM Test Success')
def test():
    global vm
    global mn_host

    test_stub.skip_if_scenario_not_multiple_networks()

    mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config, test_lib.scenario_file)
    if len(mn_host) != 1:
        test_util.test_fail('MN VM is running on %d host(s)' % len(mn_host))
    test_util.test_logger("shutdown host's network [%s] that mn vm is running on" % (mn_host[0].ip_))
    test_stub.shutdown_host_network(mn_host[0], test_lib.all_scenario_config, downMagt=True)
    test_util.test_logger("wait for 20 seconds to see if management node VM starts on another host")
    time.sleep(20)

    new_mn_host_ip = test_stub.get_host_by_consul_leader(test_lib.all_scenario_config, test_lib.scenario_file)
    if new_mn_host_ip == "" or (new_mn_host_ip != mn_host[0].ip_ and new_mn_host_ip != mn_host[0].managementIp_):
        test_util.test_fail("management network down, mn host should not changed. Expected on [%s] while is on [%s]" % (mn_host[0].ip_, new_mn_host_ip))

    count = 120
    while count > 0:
        new_mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config, test_lib.scenario_file)
        if len(new_mn_host) == 1:
            test_util.test_logger("management node VM run after its former host down for 120s")
            break
        elif len(new_mn_host) > 1:
            test_util.test_fail("management node VM runs on more than one host after its former host down")
        time.sleep(5)
        count -= 1

    if len(new_mn_host) == 0:
        test_util.test_fail("management node VM does not run after its former host down for 120s")
    elif len(new_mn_host) > 1:
        test_util.test_fail("management node VM runs on more than one host after its former host down")

    #node_ops.wait_for_management_server_start()
    test_stub.wrapper_of_wait_for_management_server_start(600)

    test_stub.reopen_host_network(mn_host[0], test_lib.all_scenario_config)
    test_stub.wait_for_mn_ha_ready(test_lib.all_scenario_config, test_lib.scenario_file)

    test_stub.ensure_hosts_connected()
    test_stub.ensure_bss_host_connected_from_sep_net_down(test_lib.scenario_file, test_lib.all_scenario_config, downMagt=True)
    test_stub.ensure_bss_connected()
    test_stub.ensure_pss_connected()

    test_stub.return_pass_ahead_if_3sites("TEST PASS")
    vm = test_stub.create_basic_vm()
    vm.check()
    vm.destroy()

    test_util.test_pass('Create VM Test Success')
def test():
    global vm
    global mn_host_list
    global need_recover_mn_host_list

    test_stub.skip_if_scenario_is_multiple_networks()

    mn_host_list = test_stub.get_mn_host(test_lib.all_scenario_config,
                                         test_lib.scenario_file)
    mn_host_num = len(mn_host_list)
    test_mn_host_list = random.sample(range(mn_host_num),
                                      (mn_host_num + 1) / 2)

    for host in mn_host_list:
        test_util.test_logger("shutdown host's network [%s]" % (host.ip_))
        test_stub.shutdown_host_network(host, test_lib.all_scenario_config)

    need_recover_mn_host_list = range(mn_host_num)

    test_util.test_logger("wait 10s for MN VM to stop")
    time.sleep(10)
    mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config,
                                          test_lib.scenario_file)
    if len(mn_host) != 0:
        test_util.test_fail('MN VM is still running on %d host(s)' %
                            len(mn_host))

    for index in test_mn_host_list:
        test_util.test_logger("recover host [%s]" % (mn_host_list[index].ip_))
        test_stub.recover_host(mn_host_list[index],
                               test_lib.all_scenario_config,
                               test_lib.deploy_config)
        need_recover_mn_host_list.remove(index)

    test_util.test_logger(
        "wait for 20 seconds to see if management node VM starts on any host")
    time.sleep(20)

    new_mn_host_ip = test_stub.get_host_by_consul_leader(
        test_lib.all_scenario_config, test_lib.scenario_file)
    if new_mn_host_ip == "":
        test_util.test_fail(
            "management node VM not run correctly on [%s] after its former host [%s] down for 20s"
            % (new_mn_host_ip, mn_host_list[0].ip_))

    count = 60
    while count > 0:
        new_mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config,
                                                  test_lib.scenario_file)
        if len(new_mn_host) == 1:
            test_util.test_logger(
                "management node VM run after its former host down for 30s")
            break
        elif len(new_mn_host) > 1:
            test_util.test_fail(
                "management node VM runs on more than one host after its former host down"
            )
        time.sleep(5)
        count -= 1

    if len(new_mn_host) == 0:
        test_util.test_fail(
            "management node VM does not run after its former host down for 30s"
        )
    elif len(new_mn_host) > 1:
        test_util.test_fail(
            "management node VM runs on more than one host after its former host down"
        )

    #node_ops.wait_for_management_server_start(300)
    test_stub.wrapper_of_wait_for_management_server_start(600)

    test_stub.ensure_hosts_connected(
        exclude_host=[mn_host_list[need_recover_mn_host_list[0]]])
    test_stub.ensure_bss_host_connected_from_sep_net_down(
        test_lib.scenario_file, test_lib.all_scenario_config, downMagt=False)
    test_stub.ensure_bss_connected()
    test_stub.ensure_pss_connected()

    test_stub.return_pass_ahead_if_3sites("TEST PASS")

    vm = test_stub.create_basic_vm()

    vm.check()
    vm.destroy()

    test_util.test_pass('Create VM Test Success')
def test():
    global vm
    global mn_host

    test_stub.skip_if_scenario_not_multiple_networks()

    mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config,
                                          test_lib.scenario_file)
    if len(mn_host) != 1:
        test_util.test_fail('MN VM is running on %d host(s)' % len(mn_host))
    test_util.test_logger(
        "shutdown host's network [%s] that mn vm is running on" %
        (mn_host[0].ip_))
    test_stub.shutdown_host_network(mn_host[0],
                                    test_lib.all_scenario_config,
                                    downMagt=True)
    test_util.test_logger(
        "wait for 20 seconds to see if management node VM starts on another host"
    )
    time.sleep(20)

    new_mn_host_ip = test_stub.get_host_by_consul_leader(
        test_lib.all_scenario_config, test_lib.scenario_file)
    if new_mn_host_ip == "" or (new_mn_host_ip != mn_host[0].ip_ and
                                new_mn_host_ip != mn_host[0].managementIp_):
        test_util.test_fail(
            "management network down, mn host should not changed. Expected on [%s] while is on [%s]"
            % (mn_host[0].ip_, new_mn_host_ip))

    count = 120
    while count > 0:
        new_mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config,
                                                  test_lib.scenario_file)
        if len(new_mn_host) == 1:
            test_util.test_logger(
                "management node VM run after its former host down for 120s")
            break
        elif len(new_mn_host) > 1:
            test_util.test_fail(
                "management node VM runs on more than one host after its former host down"
            )
        time.sleep(5)
        count -= 1

    if len(new_mn_host) == 0:
        test_util.test_fail(
            "management node VM does not run after its former host down for 120s"
        )
    elif len(new_mn_host) > 1:
        test_util.test_fail(
            "management node VM runs on more than one host after its former host down"
        )

    try:
        node_ops.wait_for_management_server_start()
    except:
        test_util.test_fail(
            "management node does not recover after its former host's network down"
        )

    test_stub.reopen_host_network(mn_host[0], test_lib.all_scenario_config)
    test_stub.wait_for_mn_ha_ready(test_lib.all_scenario_config,
                                   test_lib.scenario_file)

    test_stub.ensure_hosts_connected()
    test_stub.ensure_bss_host_connected_from_sep_net_down(
        test_lib.scenario_file, test_lib.all_scenario_config, downMagt=True)
    test_stub.ensure_bss_connected()
    test_stub.ensure_pss_connected()

    vm = test_stub.create_basic_vm()
    vm.check()
    vm.destroy()

    test_util.test_pass('Create VM Test Success')
def test():
    global vm
    global mn_host_list
    global need_recover_mn_host_list
    global pub_mn_ip
    global mag_mn_ip

    test_stub.skip_if_scenario_not_multiple_networks()
    pub_mn_ip = os.environ['ZSTACK_BUILT_IN_HTTP_SERVER_IP']
    mag_mn_ip = res_ops.query_resource(res_ops.MANAGEMENT_NODE)[0].hostName
    os.environ['ZSTACK_BUILT_IN_HTTP_SERVER_IP'] = mag_mn_ip

    mn_host_list = test_stub.get_mn_host(test_lib.all_scenario_config, test_lib.scenario_file)
    mn_host_num = len(mn_host_list)
    test_mn_host_list = random.sample(range(mn_host_num), (mn_host_num + 1) / 2)

    for host in mn_host_list:
        test_util.test_logger("shutdown host's network [%s]" % (host.ip_))
        test_stub.shutdown_host_network(host, test_lib.all_scenario_config, downMagt=False)

    need_recover_mn_host_list = range(mn_host_num)

    test_util.test_logger("wait 10s for MN VM to stop")
    time.sleep(10)
    mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config, test_lib.scenario_file)
    if len(mn_host) == 0:
        test_util.test_fail('MN VM has been murdered, expected result should not be impacted when the separated network is down.')

    for index in test_mn_host_list:
        test_util.test_logger("recover host [%s]" % (mn_host_list[index].ip_))
        test_stub.recover_host(mn_host_list[index], test_lib.all_scenario_config, test_lib.deploy_config)
        need_recover_mn_host_list.remove(index)

    test_util.test_logger("wait for 20 seconds to see if management node VM starts on any host")
    time.sleep(20)

    new_mn_host_ip = test_stub.get_host_by_consul_leader(test_lib.all_scenario_config, test_lib.scenario_file)
    if new_mn_host_ip == "":
        test_util.test_fail("management node VM not run correctly on [%s] after its former host [%s] down for 20s" % (new_mn_host_ip, mn_host_list[0].ip_))

    count = 120
    while count > 0:
        new_mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config, test_lib.scenario_file)
        if len(new_mn_host) == 1:
            test_util.test_logger("management node VM run after its former host down for 120s")
            break
        elif len(new_mn_host) > 1:
            test_util.test_fail("management node VM runs on more than one host after its former host down")
        time.sleep(5)
        count -= 1

    if len(new_mn_host) == 0:
        test_util.test_fail("management node VM does not run after its former host down for 120s")
    elif len(new_mn_host) > 1:
        test_util.test_fail("management node VM runs on more than one host after its former host down")

    #node_ops.wait_for_management_server_start(300)
    test_stub.wrapper_of_wait_for_management_server_start(600)

    test_stub.ensure_hosts_connected()
    test_stub.ensure_bss_host_connected_from_sep_net_down(test_lib.scenario_file, test_lib.all_scenario_config, downMagt=False)
    test_stub.ensure_bss_connected()
    test_stub.ensure_pss_connected()

    test_stub.return_pass_ahead_if_3sites("TEST PASS")
    vm = test_stub.create_basic_vm()

    vm.check()
    vm.destroy()

    test_util.test_pass('Create VM Test Success')
def test():
    global vm
    global mn_host

    test_stub.skip_if_scenario_not_multiple_networks()

    mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config,
                                          test_lib.scenario_file)
    if len(mn_host) != 1:
        test_util.test_fail('MN VM is running on %d host(s)' % len(mn_host))
    test_util.test_logger(
        "shutdown host's network [%s] that mn vm is running on" %
        (mn_host[0].ip_))
    test_stub.shutdown_host_network(mn_host[0],
                                    test_lib.all_scenario_config,
                                    downMagt=True)
    test_util.test_logger(
        "wait for 20 seconds to see if management node VM starts on another host"
    )
    time.sleep(20)

    new_mn_host_ip = test_stub.get_host_by_consul_leader(
        test_lib.all_scenario_config, test_lib.scenario_file)
    if new_mn_host_ip == "" or new_mn_host_ip == mn_host[
            0].ip_ or new_mn_host_ip == mn_host[0].managementIp_:
        test_util.test_fail(
            "management node VM not run correctly on [%s] after its former host [%s] down for 20s"
            % (new_mn_host_ip, mn_host[0].ip_))

    count = 120
    while count > 0:
        new_mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config,
                                                  test_lib.scenario_file)
        if len(new_mn_host) == 1:
            test_util.test_logger(
                "management node VM run after its former host down for 120s")
            break
        elif len(new_mn_host) > 1:
            test_util.test_fail(
                "management node VM runs on more than one host after its former host down"
            )
        time.sleep(5)
        count -= 1

    if len(new_mn_host) == 0:
        test_util.test_fail(
            "management node VM does not run after its former host down for 120s"
        )
    elif len(new_mn_host) > 1:
        test_util.test_fail(
            "management node VM runs on more than one host after its former host down"
        )

    #node_ops.wait_for_management_server_start()
    test_stub.wrapper_of_wait_for_management_server_start(600)

    test_stub.ensure_hosts_connected(exclude_host=[mn_host[0]])
    test_stub.ensure_bss_host_connected_from_sep_net_down(
        test_lib.scenario_file, test_lib.all_scenario_config, downMagt=True)
    test_stub.ensure_bss_connected()
    test_stub.ensure_pss_connected()

    test_stub.return_pass_ahead_if_3sites("TEST PASS")
    vm = test_stub.create_basic_vm()
    vm.check()
    vm.destroy()

    test_util.test_pass('Create VM Test Success')
Esempio n. 8
0
def test():
    global vm
    global mn_host_list
    global need_recover_mn_host_list

    test_stub.skip_if_scenario_not_multiple_networks()

    mn_host_list = test_stub.get_mn_host(test_lib.all_scenario_config, test_lib.scenario_file)
    mn_host_num = len(mn_host_list)
    test_mn_host_list = random.sample(range(mn_host_num), (mn_host_num + 1) / 2)

    for host in mn_host_list:
        test_util.test_logger("shutdown host's network [%s]" % (host.ip_))
        test_stub.shutdown_host_network(host, test_lib.all_scenario_config, downMagt=True)

    need_recover_mn_host_list = range(mn_host_num)

    test_util.test_logger("wait 10s for MN VM to stop")
    time.sleep(10)
    mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config, test_lib.scenario_file)
    if len(mn_host) == 0:
        test_util.test_fail('MN VM has been murdered!!! Expected should not be impacted when management network is down.')

    for index in test_mn_host_list:
        test_util.test_logger("recover host [%s]" % (mn_host_list[index].ip_))
        test_stub.recover_host(mn_host_list[index], test_lib.all_scenario_config, test_lib.deploy_config)
        need_recover_mn_host_list.remove(index)

    test_util.test_logger("wait for 20 seconds to see if management node VM starts on any host")
    time.sleep(20)

    new_mn_host_ip = test_stub.get_host_by_consul_leader(test_lib.all_scenario_config, test_lib.scenario_file)
    if new_mn_host_ip == "":
        test_util.test_fail("management node VM not run correctly on [%s] after its former host [%s] down for 20s" % (new_mn_host_ip, mn_host_list[0].ip_))

    count = 120
    while count > 0:
        new_mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config, test_lib.scenario_file)
        if len(new_mn_host) == 1:
            test_util.test_logger("management node VM run after its former host down for 120s")
            break
        elif len(new_mn_host) > 1:
            test_util.test_fail("management node VM runs on more than one host after its former host down")
        time.sleep(5)
        count -= 1

    if len(new_mn_host) == 0:
        test_util.test_fail("management node VM does not run after its former host down for 120s")
    elif len(new_mn_host) > 1:
        test_util.test_fail("management node VM runs on more than one host after its former host down")

    try:
        node_ops.wait_for_management_server_start(300)
    except:
        test_util.test_fail("management node does not recover after MN VM is running")

    for index in need_recover_mn_host_list:
        test_util.test_logger("recover host: %s" % (mn_host_list[index].ip_))
        test_stub.recover_host(mn_host_list[index], test_lib.all_scenario_config, test_lib.deploy_config)

    test_stub.ensure_hosts_connected()
    test_stub.ensure_bss_host_connected_from_sep_net_down(test_lib.scenario_file, test_lib.all_scenario_config, downMagt=True)
    test_stub.ensure_bss_connected()
    test_stub.ensure_pss_connected()

    vm = test_stub.create_basic_vm()

    vm.check()
    vm.destroy()

    test_util.test_pass('Create VM Test Success')
def test():
    global vm
    global mn_host
    global pub_mn_ip
    global mag_mn_ip

    test_stub.skip_if_scenario_not_multiple_networks()

    mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config,
                                          test_lib.scenario_file)
    if len(mn_host) != 1:
        test_util.test_fail('MN VM is running on %d host(s)' % len(mn_host))

    pub_mn_ip = os.environ['ZSTACK_BUILT_IN_HTTP_SERVER_IP']
    mag_mn_ip = res_ops.query_resource(res_ops.MANAGEMENT_NODE)[0].hostName
    os.environ['ZSTACK_BUILT_IN_HTTP_SERVER_IP'] = mag_mn_ip

    test_util.test_logger(
        "shutdown host's network [%s] that mn vm is running on" %
        (mn_host[0].ip_))
    test_stub.shutdown_host_network(mn_host[0],
                                    test_lib.all_scenario_config,
                                    downMagt=False)
    test_util.test_logger(
        "wait for 20 seconds to see if management node VM starts on another host"
    )
    time.sleep(20)

    new_mn_host_ip = test_stub.get_host_by_consul_leader(
        test_lib.all_scenario_config, test_lib.scenario_file)
    if new_mn_host_ip == "" or (new_mn_host_ip != mn_host[0].ip_ and
                                new_mn_host_ip != mn_host[0].managementIp_):
        test_util.test_fail(
            "mn host should not changed if public network is down when public network is separated. Except [%s], while new host is [%s]"
            % (mn_host[0].ip_, new_mn_host_ip))

    count = 120
    while count > 0:
        new_mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config,
                                                  test_lib.scenario_file)
        if len(new_mn_host) == 1:
            test_util.test_logger(
                "management node VM run after its former host down for 120s")
            break
        elif len(new_mn_host) > 1:
            test_util.test_fail(
                "management node VM runs on more than one host after its former host down"
            )
        time.sleep(5)
        count -= 1

    if len(new_mn_host) == 0:
        test_util.test_fail(
            "management node VM does not run after its former host down for 120s"
        )
    elif len(new_mn_host) > 1:
        test_util.test_fail(
            "management node VM runs on more than one host after its former host down"
        )

    #node_ops.wait_for_management_server_start()
    test_stub.wrapper_of_wait_for_management_server_start(600)

    test_stub.ensure_hosts_connected()
    test_stub.ensure_pss_connected()
    test_stub.ensure_bss_host_connected_from_sep_net_down(
        test_lib.scenario_file, test_lib.all_scenario_config, downMagt=False)
    test_stub.ensure_bss_connected()

    test_stub.return_pass_ahead_if_3sites("TEST PASS")
    vm = test_stub.create_basic_vm()
    vm.check()
    vm.destroy()

    test_util.test_pass('Create VM Test Success')
def test():
    global vm
    global mn_host_list
    global need_recover_mn_host_list

    test_stub.skip_if_scenario_is_multiple_networks()

    mn_host_list = test_stub.get_mn_host(test_lib.all_scenario_config, test_lib.scenario_file)
    mn_host_num = len(mn_host_list)
    test_mn_host_list = random.sample(range(mn_host_num), (mn_host_num + 1) / 2)

    for host in mn_host_list:
        test_util.test_logger("shutdown host's network [%s]" % (host.ip_))
        test_stub.shutdown_host_network(host, test_lib.all_scenario_config)

    need_recover_mn_host_list = range(mn_host_num)

    test_util.test_logger("wait 10s for MN VM to stop")
    time.sleep(10)
    mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config, test_lib.scenario_file)
    if len(mn_host) != 0:
        test_util.test_fail('MN VM is still running on %d host(s)' % len(mn_host))

    for index in test_mn_host_list:
        test_util.test_logger("recover host [%s]" % (mn_host_list[index].ip_))
        test_stub.recover_host(mn_host_list[index], test_lib.all_scenario_config, test_lib.deploy_config)
        need_recover_mn_host_list.remove(index)

    test_util.test_logger("wait for 20 seconds to see if management node VM starts on any host")
    time.sleep(20)

    new_mn_host_ip = test_stub.get_host_by_consul_leader(test_lib.all_scenario_config, test_lib.scenario_file)
    if new_mn_host_ip == "":
        test_util.test_fail("management node VM not run correctly on [%s] after its former host [%s] down for 20s" % (new_mn_host_ip, mn_host_list[0].ip_))

    count = 60
    while count > 0:
        new_mn_host = test_stub.get_host_by_mn_vm(test_lib.all_scenario_config, test_lib.scenario_file)
        if len(new_mn_host) == 1:
            test_util.test_logger("management node VM run after its former host down for 30s")
            break
        elif len(new_mn_host) > 1:
            test_util.test_fail("management node VM runs on more than one host after its former host down")
        time.sleep(5)
        count -= 1

    if len(new_mn_host) == 0:
        test_util.test_fail("management node VM does not run after its former host down for 30s")
    elif len(new_mn_host) > 1:
        test_util.test_fail("management node VM runs on more than one host after its former host down")

    #node_ops.wait_for_management_server_start(300)
    test_stub.wrapper_of_wait_for_management_server_start(600)

    test_stub.ensure_hosts_connected(exclude_host=[mn_host_list[need_recover_mn_host_list[0]]])
    test_stub.ensure_bss_host_connected_from_sep_net_down(test_lib.scenario_file, test_lib.all_scenario_config, downMagt=False)
    test_stub.ensure_bss_connected()
    test_stub.ensure_pss_connected()

    test_stub.return_pass_ahead_if_3sites("TEST PASS") 

    vm = test_stub.create_basic_vm()

    vm.check()
    vm.destroy()

    test_util.test_pass('Create VM Test Success')