Esempio n. 1
0
def run(test, params, env):
    """
    Convert a remote vm to local libvirt(KVM).
    """
    for v in list(params.values()):
        if "V2V_EXAMPLE" in v:
            raise exceptions.TestSkipError("Please set real value for %s" % v)

    vm_name = params.get("main_vm")
    source_user = params.get("username", "root")
    xen_ip = params.get("xen_hostname")
    xen_pwd = params.get("xen_pwd")
    vpx_ip = params.get("vpx_hostname")
    vpx_pwd = params.get("vpx_pwd")
    vpx_pwd_file = params.get("vpx_passwd_file")
    vpx_dc = params.get("vpx_dc")
    esx_ip = params.get("esx_hostname")
    hypervisor = params.get("hypervisor")
    input_mode = params.get("input_mode")
    target = params.get("target")
    v2v_opts = params.get("v2v_opts")

    # Prepare step for different hypervisor
    if hypervisor == "esx":
        source_ip = vpx_ip
        source_pwd = vpx_pwd
        # Create password file to access ESX hypervisor
        with open(vpx_pwd_file, 'w') as f:
            f.write(vpx_pwd)
    elif hypervisor == "xen":
        source_ip = xen_ip
        source_pwd = xen_pwd
        # Set up ssh access using ssh-agent and authorized_keys
        ssh_key.setup_ssh_key(source_ip, source_user, source_pwd)
        try:
            utils_misc.add_identities_into_ssh_agent()
        except:
            process.run("ssh-agent -k")
            raise exceptions.TestError("Fail to setup ssh-agent")
    else:
        raise exceptions.TestSkipError("Unspported hypervisor: %s" %
                                       hypervisor)

    # Create libvirt URI for the source node
    v2v_uri = utils_v2v.Uri(hypervisor)
    remote_uri = v2v_uri.get_uri(source_ip, vpx_dc, esx_ip)
    logging.debug("Remote host uri for converting: %s", remote_uri)

    # Make sure the VM exist before convert
    virsh_dargs = {
        'uri': remote_uri,
        'remote_ip': source_ip,
        'remote_user': source_user,
        'remote_pwd': source_pwd,
        'debug': True
    }
    remote_virsh = virsh.VirshPersistent(**virsh_dargs)
    try:
        if not remote_virsh.domain_exists(vm_name):
            raise exceptions.TestError("VM '%s' not exist" % vm_name)
    finally:
        remote_virsh.close_session()

    # Prepare libvirt storage pool
    pool_type = params.get("pool_type")
    pool_name = params.get("pool_name")
    pool_target = params.get("pool_target")
    libvirt_pool = utlv.PoolVolumeTest(test, params)
    libvirt_pool.pre_pool(pool_name, pool_type, pool_target, '')

    # Preapre libvirt virtual network
    network = params.get("network")
    net_kwargs = {
        'net_name': network,
        'address': params.get('network_addr'),
        'dhcp_start': params.get('network_dhcp_start'),
        'dhcp_end': params.get('network_dhcp_end')
    }
    libvirt_net = utlv.LibvirtNetwork('vnet', **net_kwargs)
    net_info = virsh.net_info(network).stdout.strip()
    bridge = re.search(r'Bridge:\s+(\S+)', net_info).group(1)
    params['netdst'] = bridge

    # Maintain a single params for v2v to avoid duplicate parameters
    v2v_params = {
        'target': target,
        'hypervisor': hypervisor,
        'main_vm': vm_name,
        'input_mode': input_mode,
        'network': network,
        'bridge': bridge,
        'storage': pool_name,
        'hostname': source_ip
    }
    if vpx_dc:
        v2v_params.update({"vpx_dc": vpx_dc})
    if esx_ip:
        v2v_params.update({"esx_ip": esx_ip})
    if v2v_opts:
        v2v_params.update({"v2v_opts": v2v_opts})

    # Set libguestfs environment
    if hypervisor == 'xen':
        os.environ['LIBGUESTFS_BACKEND'] = 'direct'
    try:
        # Execute virt-v2v command
        ret = utils_v2v.v2v_cmd(v2v_params)
        logging.debug("virt-v2v verbose messages:\n%s", ret)
        if ret.exit_status != 0:
            raise exceptions.TestFail("Convert VM failed")

        logging.debug("XML info:\n%s", virsh.dumpxml(vm_name))
        vm = env.create_vm("libvirt", "libvirt", vm_name, params, test.bindir)
        # Win10 is not supported by some cpu model,
        # need to modify to 'host-model'
        if params.get('os_version') in ['win10', 'win2016']:
            logging.info('Set cpu mode to "host-model" for win10 and win2016')
            vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
            cpu_xml = vm_xml.VMCPUXML()
            cpu_xml.mode = 'host-model'
            cpu_xml.fallback = 'allow'
            vmxml['cpu'] = cpu_xml
            vmxml.sync()
        vm.start()

        # Check all checkpoints after convert
        vmchecker = VMChecker(test, params, env)
        ret = vmchecker.run()
        if len(ret) == 0:
            logging.info("All checkpoints passed")
        else:
            raise exceptions.TestFail("%d checkpoints failed: %s" %
                                      (len(ret), ret))
    finally:
        vmcheck = utils_v2v.VMCheck(test, params, env)
        vmcheck.cleanup()
        utils_v2v.cleanup_constant_files(params)
        if hypervisor == "xen":
            process.run("ssh-agent -k")
        # Clean libvirt VM
        virsh.remove_domain(vm_name)
        # Clean libvirt pool
        if libvirt_pool:
            libvirt_pool.cleanup_pool(pool_name, pool_type, pool_target, '')
        # Clean libvirt network
        if libvirt_net:
            libvirt_net.cleanup()
Esempio n. 2
0
def run(test, params, env):
    """
    Test command: virsh net-event

    1. Prepare a new network.
    2. Running virsh net-event with different options, and start/stop
       the network if needed, then check the output of net-event.
    3. Clean the environment.
    """

    prepare_net = "yes" == params.get("prepare_net", "yes")
    net_addr = params.get("net_addr")
    net_name = params.get("net_name")
    net_event_list = "yes" == params.get("net_event_list", "no")
    net_event_loop = "yes" == params.get("net_event_loop", "no")
    net_event_name = params.get("net_event_name")
    net_event_timeout = params.get("net_event_timeout")
    net_event_amount = int(params.get("net_event_amount", 1))
    status_error = "yes" == params.get("status_error", "no")
    net_event_option = params.get("net_event_option", "")
    virsh_dargs = {'debug': True, 'ignore_status': True}
    net_event_interrupt = False
    libv_net = None
    expected_event_list = []
    virsh_session = aexpect.ShellSession(virsh.VIRSH_EXEC, auto_close=True)

    def trigger_net_event(event_amount=1):
        """
        Trigger network start/stop actions in event_number times
        """
        i = event_amount // 2
        event_list = []
        try:
            while i > 0:
                virsh.net_start(net_name, **virsh_dargs)
                event_list.append("Started")
                virsh.net_destroy(net_name, **virsh_dargs)
                event_list.append("Stopped")
                i -= 1
            if event_amount % 2:
                virsh.net_start(net_name, **virsh_dargs)
                event_list.append("Started")
        finally:
            return event_list

    def check_output(output, expected_event_list):
        """
        Check received net-event in output.

        :param output: The virsh shell output, such as:
            Welcome to virsh, the virtualization interactive terminal.

            Type:  'help' for help with commands
                   'quit' to quit

            virsh # event 'lifecycle' for network virttest_net: Started
            events received: 1

            virsh #
         : expected_event_list: A list of expected events
            ['Started', 'Stopped', ..]
        """
        event_match_str = "event 'lifecycle' for network %s: %s"
        if net_event_interrupt:
            output = output.strip().splitlines()[5:]
        else:
            output = output.strip().splitlines()[5:-2]
        output = [o.replace("virsh #", "").strip() for o in output]
        # Both order and content should match
        index = 0
        for event_str in expected_event_list:
            match_str = event_match_str % (net_name, event_str)
            logging.debug("Expected output: %s", match_str)
            logging.debug("Actual output: %s", output[index])
            if not output[index].count(match_str):
                test.fail("Event received not match")
            index += 1

    try:
        if prepare_net:
            libv_net = utlv.LibvirtNetwork("vnet", address=net_addr,
                                           net_name=net_name, persistent=True)
            # Destroy the network
            if virsh.net_state_dict()[net_name]['active']:
                virsh.net_destroy(net_name)
            logging.info("Defined network %s", net_name)

        if net_event_list:
            net_event_option += " --list"
        if net_event_loop:
            net_event_option += " --loop"

        if not status_error and not net_event_list:
            # Assemble the net-event command
            net_event_cmd = "net-event %s" % net_event_option
            if net_name:
                net_event_cmd += " --network %s" % net_name
            if net_event_name:
                net_event_cmd += " --event %s" % net_event_name
            if net_event_timeout:
                net_event_cmd += " --timeout %s" % net_event_timeout
                if not status_error:
                    net_event_timeout = int(net_event_timeout)
            # Run the command in a new virsh session, then waiting for
            # 'lifecycle' events
            logging.info("Sending '%s' to virsh shell", net_event_cmd)
            virsh_session.sendline(net_event_cmd)
        else:
            result = virsh.net_event(network=net_name, event=net_event_name,
                                     event_timeout=net_event_timeout,
                                     options=net_event_option, **virsh_dargs)
            utlv.check_exit_status(result, status_error)

        if not status_error:
            # Verify 'lifecycle' events
            if not net_event_list and net_event_name == 'lifecycle':
                expected_event_list = trigger_net_event(net_event_amount)
                if net_event_timeout:
                    # Make sure net-event will timeout on time
                    time.sleep(net_event_timeout)
                elif net_event_loop:
                    virsh_session.send_ctrl("^C")
                    net_event_interrupt = True
                ret_output = virsh_session.get_stripped_output()
                check_output(ret_output, expected_event_list)
    finally:
        virsh_session.close()
        if libv_net:
            libv_net.cleanup()
def run(test, params, env):
    """
    Convert a remote vm to local libvirt(KVM).
    """
    for v in list(params.values()):
        if "V2V_EXAMPLE" in v:
            raise exceptions.TestSkipError("Please set real value for %s" % v)

    enable_legacy_policy = params_get(params, "enable_legacy_policy") == 'yes'
    vm_name = params.get("main_vm")
    source_user = params.get("username", "root")
    xen_ip = params.get("xen_hostname")
    xen_pwd = params.get("xen_pwd")
    vpx_ip = params.get("vpx_hostname")
    vpx_pwd = params.get("vpx_pwd")
    vpx_pwd_file = params.get("vpx_passwd_file")
    vpx_dc = params.get("vpx_dc")
    esx_ip = params.get("esx_hostname")
    hypervisor = params.get("hypervisor")
    input_mode = params.get("input_mode")
    target = params.get("target")
    v2v_opts = '-v -x' if params.get('v2v_debug', 'on') == 'on' else ''
    if params.get('v2v_opts'):
        # Add a blank by force
        v2v_opts += ' ' + params.get("v2v_opts")
    # For VDDK
    input_transport = params.get("input_transport")
    vddk_libdir = params.get('vddk_libdir')
    # nfs mount source
    vddk_libdir_src = params.get('vddk_libdir_src')
    vddk_thumbprint = params.get('vddk_thumbprint')
    source_pwd = None

    # Prepare step for different hypervisor
    if enable_legacy_policy:
        update_crypto_policy("LEGACY")

    if hypervisor == "esx":
        source_ip = vpx_ip
        source_pwd = vpx_pwd
        # Create password file to access ESX hypervisor
        with open(vpx_pwd_file, 'w') as f:
            f.write(vpx_pwd)
    elif hypervisor == "xen":
        source_ip = xen_ip
        source_pwd = xen_pwd
        # Set up ssh access using ssh-agent and authorized_keys
        xen_pubkey, xen_session = utils_v2v.v2v_setup_ssh_key(source_ip,
                                                              source_user,
                                                              source_pwd,
                                                              auto_close=False)
        try:
            utils_misc.add_identities_into_ssh_agent()
        except Exception:
            process.run("ssh-agent -k")
            raise exceptions.TestError("Fail to setup ssh-agent")
    else:
        raise exceptions.TestSkipError("Unsupported hypervisor: %s" %
                                       hypervisor)

    # Create libvirt URI for the source node
    v2v_uri = utils_v2v.Uri(hypervisor)
    remote_uri = v2v_uri.get_uri(source_ip, vpx_dc, esx_ip)
    LOG.debug("Remote host uri for converting: %s", remote_uri)

    # Make sure the VM exist before convert
    virsh_dargs = {
        'uri': remote_uri,
        'remote_ip': source_ip,
        'remote_user': source_user,
        'remote_pwd': source_pwd,
        'auto_close': True,
        'debug': True
    }
    remote_virsh = virsh.VirshPersistent(**virsh_dargs)
    try:
        if not remote_virsh.domain_exists(vm_name):
            raise exceptions.TestError("VM '%s' not exist" % vm_name)
    finally:
        remote_virsh.close_session()

    # Prepare libvirt storage pool
    pool_type = params.get("pool_type")
    pool_name = params.get("pool_name")
    pool_target = params.get("pool_target")
    libvirt_pool = utlv.PoolVolumeTest(test, params)
    libvirt_pool.pre_pool(pool_name, pool_type, pool_target, '')

    # Prepare libvirt virtual network
    network = params.get("network")
    net_kwargs = {
        'net_name': network,
        'address': params.get('network_addr'),
        'dhcp_start': params.get('network_dhcp_start'),
        'dhcp_end': params.get('network_dhcp_end')
    }
    libvirt_net = utlv.LibvirtNetwork('vnet', **net_kwargs)
    net_info = virsh.net_info(network).stdout.strip()
    bridge = re.search(r'Bridge:\s+(\S+)', net_info).group(1)
    params['netdst'] = bridge

    # Maintain a single params for v2v to avoid duplicate parameters
    v2v_params = {
        'target': target,
        'hypervisor': hypervisor,
        'main_vm': vm_name,
        'input_mode': input_mode,
        'network': network,
        'bridge': bridge,
        'os_pool': pool_name,
        'hostname': source_ip,
        'password': source_pwd,
        'input_transport': input_transport,
        'vcenter_host': vpx_ip,
        'vcenter_password': vpx_pwd,
        'vddk_thumbprint': vddk_thumbprint,
        'vddk_libdir': vddk_libdir,
        'vddk_libdir_src': vddk_libdir_src,
        'params': params
    }
    if vpx_dc:
        v2v_params.update({"vpx_dc": vpx_dc})
    if esx_ip:
        v2v_params.update({"esx_ip": esx_ip})
    if v2v_opts:
        v2v_params.update({"v2v_opts": v2v_opts})

    # Set libguestfs environment
    if hypervisor == 'xen':
        os.environ['LIBGUESTFS_BACKEND'] = 'direct'
    try:
        # Execute virt-v2v command
        ret = utils_v2v.v2v_cmd(v2v_params)
        if ret.exit_status != 0:
            raise exceptions.TestFail("Convert VM failed")

        LOG.debug("XML info:\n%s", virsh.dumpxml(vm_name))
        vm = env.create_vm("libvirt", "libvirt", vm_name, params, test.bindir)
        # Win10 is not supported by some cpu model,
        # need to modify to 'host-model'
        unsupport_list = ['win10', 'win2016', 'win2019']
        if params.get('os_version') in unsupport_list:
            LOG.info('Set cpu mode to "host-model" for %s.', unsupport_list)
            vmxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)
            cpu_xml = vm_xml.VMCPUXML()
            cpu_xml.mode = 'host-model'
            cpu_xml.fallback = 'allow'
            vmxml['cpu'] = cpu_xml
            vmxml.sync()
        vm.start()

        # Check all checkpoints after convert
        vmchecker = VMChecker(test, params, env)
        # Cannot do "params['vmchecker'] = vmchecker" if vm was to_libvirt,
        # or exception 'Fatal Python error: Cannot recover from stack overflow'
        # will happen. Not sure how it happens now, if somebody knows about it,
        # Please help to fix it.
        #
        # The exception happens at:
        # avocado/utils/stacktrace.py, line 98 in analyze_unpickable_item
        # <FIXIT> in future.
        try:
            ret = vmchecker.run()
        finally:
            vmchecker.cleanup()

        if len(ret) == 0:
            LOG.info("All checkpoints passed")
        else:
            raise exceptions.TestFail("%d checkpoints failed: %s" %
                                      (len(ret), ret))
    finally:
        utils_v2v.cleanup_constant_files(params)
        if enable_legacy_policy:
            update_crypto_policy()
        if hypervisor == "xen":
            utils_v2v.v2v_setup_ssh_key_cleanup(xen_session, xen_pubkey)
            process.run("ssh-agent -k")
        # Clean libvirt VM
        virsh.remove_domain(vm_name)
        # Clean libvirt pool
        if libvirt_pool:
            libvirt_pool.cleanup_pool(pool_name, pool_type, pool_target, '')
        # Clean libvirt network
        if libvirt_net:
            libvirt_net.cleanup()