#
# Copyright 2014 Rackspace, Inc
# All Rights Reserved
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.

import os
import tempfile

from ironic_lib import utils as ironic_utils
import mock
from oslo_config import cfg
from oslo_utils import fileutils
from oslo_utils import uuidutils
import six

from ironic.common import exception
from ironic.common.glance_service import base_image_service
from ironic.common import pxe_utils
from ironic.common import states
from ironic.common import utils
from ironic.conductor import task_manager
from ironic.drivers.modules import deploy_utils
from ironic.drivers.modules import ipxe
from ironic.drivers.modules import pxe
from ironic.tests.unit.db import base as db_base
from ironic.tests.unit.db import utils as db_utils
from ironic.tests.unit.objects import utils as object_utils

CONF = cfg.CONF
INST_INFO_DICT = db_utils.get_test_pxe_instance_info()
DRV_INFO_DICT = db_utils.get_test_pxe_driver_info()
DRV_INTERNAL_INFO_DICT = db_utils.get_test_pxe_driver_internal_info()


# Prevent /httpboot validation on creating the node
@mock.patch('ironic.drivers.modules.pxe.PXEBoot.__init__', lambda self: None)
class TestPXEUtils(db_base.DbTestCase):

    def setUp(self):
        super(TestPXEUtils, self).setUp()

        self.pxe_options = {
            'deployment_aki_path': u'/tftpboot/1be26c0b-03f2-4d2e-ae87-'
                                   u'c02d7f33c123/deploy_kernel',
            'aki_path': u'/tftpboot/1be26c0b-03f2-4d2e-ae87-c02d7f33c123/'
                        u'kernel',
            'ari_path': u'/tftpboot/1be26c0b-03f2-4d2e-ae87-c02d7f33c123/'
                        u'ramdisk',
            'pxe_append_params': 'test_param',
            'deployment_ari_path': u'/tftpboot/1be26c0b-03f2-4d2e-ae87-c02d7'
                                   u'f33c123/deploy_ramdisk',
            'ipa-api-url': 'http://192.168.122.184:6385',
            'ipxe_timeout': 0,
            'ramdisk_opts': 'ramdisk_param',
        }

        self.ipxe_options = self.pxe_options.copy()
        self.ipxe_options.update({
            'deployment_aki_path': 'http://1.2.3.4:1234/deploy_kernel',
            'deployment_ari_path': 'http://1.2.3.4:1234/deploy_ramdisk',
            'aki_path': 'http://1.2.3.4:1234/kernel',
            'ari_path': 'http://1.2.3.4:1234/ramdisk',
            'initrd_filename': 'deploy_ramdisk',
        })

        self.ipxe_options_timeout = self.ipxe_options.copy()
        self.ipxe_options_timeout.update({
            'ipxe_timeout': 120
        })

        self.ipxe_options_boot_from_volume_no_extra_volume = \
            self.ipxe_options.copy()
        self.ipxe_options_boot_from_volume_no_extra_volume.update({
            'boot_from_volume': True,
            'iscsi_boot_url': 'iscsi:fake_host::3260:0:fake_iqn',
            'iscsi_initiator_iqn': 'fake_iqn',
            'iscsi_volumes': [],
            'username': 'fake_username',
            'password': 'fake_password',
        })

        self.ipxe_options_boot_from_volume_extra_volume = \
            self.ipxe_options.copy()
        self.ipxe_options_boot_from_volume_extra_volume.update({
            'boot_from_volume': True,
            'iscsi_boot_url': 'iscsi:fake_host::3260:0:fake_iqn',
            'iscsi_initiator_iqn': 'fake_iqn',
            'iscsi_volumes': [{'url': 'iscsi:fake_host::3260:1:fake_iqn',
                               'username': 'fake_username_1',
                               'password': 'fake_password_1',
                               }],
            'username': 'fake_username',
            'password': 'fake_password',
        })

        self.ipxe_options_boot_from_volume_no_extra_volume.pop(
            'initrd_filename', None)
        self.ipxe_options_boot_from_volume_extra_volume.pop(
            'initrd_filename', None)

        self.node = object_utils.create_test_node(self.context)

    def test_default_pxe_config(self):

        rendered_template = utils.render_template(
            CONF.pxe.pxe_config_template,
            {'pxe_options': self.pxe_options,
             'ROOT': '{{ ROOT }}',
             'DISK_IDENTIFIER': '{{ DISK_IDENTIFIER }}'})

        with open('ironic/tests/unit/drivers/pxe_config.template') as f:
            expected_template = f.read().rstrip()

        self.assertEqual(six.text_type(expected_template), rendered_template)

    def test_default_ipxe_boot_script(self):
        rendered_template = utils.render_template(
            CONF.pxe.ipxe_boot_script,
            {'ipxe_for_mac_uri': 'pxelinux.cfg/'})

        with open('ironic/tests/unit/drivers/boot.ipxe') as f:
            expected_template = f.read().rstrip()

        self.assertEqual(six.text_type(expected_template), rendered_template)

    def test_default_ipxe_config(self):
        # NOTE(lucasagomes): iPXE is just an extension of the PXE driver,
        # it doesn't have it's own configuration option for template.
        # More info:
        # https://docs.openstack.org/ironic/latest/install/
        self.config(
            pxe_config_template='ironic/drivers/modules/ipxe_config.template',
            group='pxe'
        )
        self.config(http_url='http://1.2.3.4:1234', group='deploy')
        rendered_template = utils.render_template(
            CONF.pxe.pxe_config_template,
            {'pxe_options': self.ipxe_options,
             'ROOT': '{{ ROOT }}',
             'DISK_IDENTIFIER': '{{ DISK_IDENTIFIER }}'})

        templ_file = 'ironic/tests/unit/drivers/ipxe_config.template'
        with open(templ_file) as f:
            expected_template = f.read().rstrip()

        self.assertEqual(six.text_type(expected_template), rendered_template)

    def test_default_ipxe_timeout_config(self):
        # NOTE(lucasagomes): iPXE is just an extension of the PXE driver,
        # it doesn't have it's own configuration option for template.
        # More info:
        # https://docs.openstack.org/ironic/latest/install/
        self.config(
            pxe_config_template='ironic/drivers/modules/ipxe_config.template',
            group='pxe'
        )
        self.config(http_url='http://1.2.3.4:1234', group='deploy')
        rendered_template = utils.render_template(
            CONF.pxe.pxe_config_template,
            {'pxe_options': self.ipxe_options_timeout,
             'ROOT': '{{ ROOT }}',
             'DISK_IDENTIFIER': '{{ DISK_IDENTIFIER }}'})

        templ_file = 'ironic/tests/unit/drivers/ipxe_config_timeout.template'
        with open(templ_file) as f:
            expected_template = f.read().rstrip()

        self.assertEqual(six.text_type(expected_template), rendered_template)

    def test_default_ipxe_boot_from_volume_config(self):
        self.config(
            pxe_config_template='ironic/drivers/modules/ipxe_config.template',
            group='pxe'
        )
        self.config(http_url='http://1.2.3.4:1234', group='deploy')
        rendered_template = utils.render_template(
            CONF.pxe.pxe_config_template,
            {'pxe_options': self.ipxe_options_boot_from_volume_extra_volume,
             'ROOT': '{{ ROOT }}',
             'DISK_IDENTIFIER': '{{ DISK_IDENTIFIER }}'})

        templ_file = 'ironic/tests/unit/drivers/' \
                     'ipxe_config_boot_from_volume_extra_volume.template'
        with open(templ_file) as f:
            expected_template = f.read().rstrip()

        self.assertEqual(six.text_type(expected_template), rendered_template)

    def test_default_ipxe_boot_from_volume_config_no_extra_volumes(self):
        self.config(
            pxe_config_template='ironic/drivers/modules/ipxe_config.template',
            group='pxe'
        )
        self.config(http_url='http://1.2.3.4:1234', group='deploy')

        pxe_options = self.ipxe_options_boot_from_volume_no_extra_volume
        pxe_options['iscsi_volumes'] = []

        rendered_template = utils.render_template(
            CONF.pxe.pxe_config_template,
            {'pxe_options': pxe_options,
             'ROOT': '{{ ROOT }}',
             'DISK_IDENTIFIER': '{{ DISK_IDENTIFIER }}'})

        templ_file = 'ironic/tests/unit/drivers/' \
                     'ipxe_config_boot_from_volume_no_extra_volumes.template'
        with open(templ_file) as f:
            expected_template = f.read().rstrip()
        self.assertEqual(six.text_type(expected_template), rendered_template)

    # NOTE(TheJulia): Remove elilo support after the deprecation period,
    # in the Queens release.
    def test_default_elilo_config(self):
        pxe_opts = self.pxe_options
        pxe_opts['boot_mode'] = 'uefi'
        self.config(
            uefi_pxe_config_template=('ironic/drivers/modules/'
                                      'elilo_efi_pxe_config.template'),
            group='pxe'
        )
        rendered_template = utils.render_template(
            CONF.pxe.uefi_pxe_config_template,
            {'pxe_options': pxe_opts,
             'ROOT': '{{ ROOT }}',
             'DISK_IDENTIFIER': '{{ DISK_IDENTIFIER }}'})

        templ_file = 'ironic/tests/unit/drivers/elilo_efi_pxe_config.template'
        with open(templ_file) as f:
            expected_template = f.read().rstrip()

        self.assertEqual(six.text_type(expected_template), rendered_template)

    def test_default_grub_config(self):
        pxe_opts = self.pxe_options
        pxe_opts['boot_mode'] = 'uefi'
        pxe_opts['tftp_server'] = '192.0.2.1'
        rendered_template = utils.render_template(
            CONF.pxe.uefi_pxe_config_template,
            {'pxe_options': pxe_opts,
             'ROOT': '(( ROOT ))',
             'DISK_IDENTIFIER': '(( DISK_IDENTIFIER ))'})

        templ_file = 'ironic/tests/unit/drivers/pxe_grub_config.template'
        with open(templ_file) as f:
            expected_template = f.read().rstrip()

        self.assertEqual(six.text_type(expected_template), rendered_template)

    @mock.patch('ironic.common.utils.create_link_without_raise', autospec=True)
    @mock.patch('ironic_lib.utils.unlink_without_raise', autospec=True)
    def test__write_mac_pxe_configs(self, unlink_mock, create_link_mock):
        port_1 = object_utils.create_test_port(
            self.context, node_id=self.node.id,
            address='11:22:33:44:55:66', uuid=uuidutils.generate_uuid())
        port_2 = object_utils.create_test_port(
            self.context, node_id=self.node.id,
            address='11:22:33:44:55:67', uuid=uuidutils.generate_uuid())
        create_link_calls = [
            mock.call(u'../1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      '/tftpboot/pxelinux.cfg/01-11-22-33-44-55-66'),
            mock.call(u'1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      '/tftpboot/11:22:33:44:55:66.conf'),
            mock.call(u'../1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      '/tftpboot/pxelinux.cfg/01-11-22-33-44-55-67'),
            mock.call(u'1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      '/tftpboot/11:22:33:44:55:67.conf')
        ]
        unlink_calls = [
            mock.call('/tftpboot/pxelinux.cfg/01-11-22-33-44-55-66'),
            mock.call('/tftpboot/11:22:33:44:55:66.conf'),
            mock.call('/tftpboot/pxelinux.cfg/01-11-22-33-44-55-67'),
            mock.call('/tftpboot/11:22:33:44:55:67.conf')
        ]
        with task_manager.acquire(self.context, self.node.uuid) as task:
            task.ports = [port_1, port_2]
            pxe_utils._link_mac_pxe_configs(task)

        unlink_mock.assert_has_calls(unlink_calls)
        create_link_mock.assert_has_calls(create_link_calls)

    @mock.patch('ironic.common.utils.create_link_without_raise', autospec=True)
    @mock.patch('ironic_lib.utils.unlink_without_raise', autospec=True)
    def test__write_infiniband_mac_pxe_configs(
            self, unlink_mock, create_link_mock):
        client_id1 = (
            '20:00:55:04:01:fe:80:00:00:00:00:00:00:00:02:c9:02:00:23:13:92')
        port_1 = object_utils.create_test_port(
            self.context, node_id=self.node.id,
            address='11:22:33:44:55:66', uuid=uuidutils.generate_uuid(),
            extra={'client-id': client_id1})
        client_id2 = (
            '20:00:55:04:01:fe:80:00:00:00:00:00:00:00:02:c9:02:00:23:45:12')
        port_2 = object_utils.create_test_port(
            self.context, node_id=self.node.id,
            address='11:22:33:44:55:67', uuid=uuidutils.generate_uuid(),
            extra={'client-id': client_id2})
        create_link_calls = [
            mock.call(u'../1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      '/tftpboot/pxelinux.cfg/20-11-22-33-44-55-66'),
            mock.call(u'1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      '/tftpboot/11:22:33:44:55:66.conf'),
            mock.call(u'../1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      '/tftpboot/pxelinux.cfg/20-11-22-33-44-55-67'),
            mock.call(u'1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      '/tftpboot/11:22:33:44:55:67.conf')
        ]
        unlink_calls = [
            mock.call('/tftpboot/pxelinux.cfg/20-11-22-33-44-55-66'),
            mock.call('/tftpboot/11:22:33:44:55:66.conf'),
            mock.call('/tftpboot/pxelinux.cfg/20-11-22-33-44-55-67'),
            mock.call('/tftpboot/11:22:33:44:55:67.conf')
        ]
        with task_manager.acquire(self.context, self.node.uuid) as task:
            task.ports = [port_1, port_2]
            pxe_utils._link_mac_pxe_configs(task)

        unlink_mock.assert_has_calls(unlink_calls)
        create_link_mock.assert_has_calls(create_link_calls)

    @mock.patch('ironic.common.utils.create_link_without_raise', autospec=True)
    @mock.patch('ironic_lib.utils.unlink_without_raise', autospec=True)
    def test__write_mac_ipxe_configs(self, unlink_mock, create_link_mock):
        self.config(ipxe_enabled=True, group='pxe')
        port_1 = object_utils.create_test_port(
            self.context, node_id=self.node.id,
            address='11:22:33:44:55:66', uuid=uuidutils.generate_uuid())
        port_2 = object_utils.create_test_port(
            self.context, node_id=self.node.id,
            address='11:22:33:44:55:67', uuid=uuidutils.generate_uuid())
        create_link_calls = [
            mock.call(u'../1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      '/httpboot/pxelinux.cfg/11-22-33-44-55-66'),
            mock.call(u'1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      '/httpboot/11:22:33:44:55:66.conf'),
            mock.call(u'../1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      '/httpboot/pxelinux.cfg/11-22-33-44-55-67'),
            mock.call(u'1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      '/httpboot/11:22:33:44:55:67.conf')
        ]
        unlink_calls = [
            mock.call('/httpboot/pxelinux.cfg/11-22-33-44-55-66'),
            mock.call('/httpboot/11:22:33:44:55:66.conf'),
            mock.call('/httpboot/pxelinux.cfg/11-22-33-44-55-67'),
            mock.call('/httpboot/11:22:33:44:55:67.conf'),
        ]
        with task_manager.acquire(self.context, self.node.uuid) as task:
            task.ports = [port_1, port_2]
            pxe_utils._link_mac_pxe_configs(task, ipxe_enabled=True)

        unlink_mock.assert_has_calls(unlink_calls)
        create_link_mock.assert_has_calls(create_link_calls)

    @mock.patch('ironic.common.utils.create_link_without_raise', autospec=True)
    @mock.patch('ironic_lib.utils.unlink_without_raise', autospec=True)
    @mock.patch('ironic.common.dhcp_factory.DHCPFactory.provider',
                autospec=True)
    def test__link_ip_address_pxe_configs(self, provider_mock, unlink_mock,
                                          create_link_mock):
        ip_address = '10.10.0.1'
        address = "aa:aa:aa:aa:aa:aa"
        object_utils.create_test_port(self.context, node_id=self.node.id,
                                      address=address)

        provider_mock.get_ip_addresses.return_value = [ip_address]
        create_link_calls = [
            mock.call(u'1be26c0b-03f2-4d2e-ae87-c02d7f33c123/config',
                      u'/tftpboot/10.10.0.1.conf'),
        ]
        with task_manager.acquire(self.context, self.node.uuid) as task:
            pxe_utils._link_ip_address_pxe_configs(task, False)

        unlink_mock.assert_called_once_with('/tftpboot/10.10.0.1.conf')
        create_link_mock.assert_has_calls(create_link_calls)

    @mock.patch.object(os, 'chmod', autospec=True)
    @mock.patch('ironic.common.utils.write_to_file', autospec=True)
    @mock.patch('ironic.common.utils.render_template', autospec=True)
    @mock.patch('oslo_utils.fileutils.ensure_tree', autospec=True)
    def test_create_pxe_config(self, ensure_tree_mock, render_mock,
                               write_mock, chmod_mock):
        with task_manager.acquire(self.context, self.node.uuid) as task:
            pxe_utils.create_pxe_config(task, self.pxe_options,
                                        CONF.pxe.pxe_config_template)
            render_mock.assert_called_with(
                CONF.pxe.pxe_config_template,
                {'pxe_options': self.pxe_options,
                 'ROOT': '{{ ROOT }}',
                 'DISK_IDENTIFIER': '{{ DISK_IDENTIFIER }}'}
            )
        node_dir = os.path.join(CONF.pxe.tftp_root, self.node.uuid)
        pxe_dir = os.path.join(CONF.pxe.tftp_root, 'pxelinux.cfg')
        ensure_calls = [
            mock.call(node_dir), mock.call(pxe_dir),
        ]
        ensure_tree_mock.assert_has_calls(ensure_calls)
        chmod_mock.assert_not_called()

        pxe_cfg_file_path = pxe_utils.get_pxe_config_file_path(self.node.uuid)
        write_mock.assert_called_with(pxe_cfg_file_path,
                                      render_mock.return_value)

    @mock.patch.object(os, 'chmod', autospec=True)
    @mock.patch('ironic.common.utils.write_to_file', autospec=True)
    @mock.patch('ironic.common.utils.render_template', autospec=True)
    @mock.patch('oslo_utils.fileutils.ensure_tree', autospec=True)
    def test_create_pxe_config_set_dir_permission(self, ensure_tree_mock,
                                                  render_mock,
                                                  write_mock, chmod_mock):
        self.config(dir_permission=0o755, group='pxe')
        with task_manager.acquire(self.context, self.node.uuid) as task:
            pxe_utils.create_pxe_config(task, self.pxe_options,
                                        CONF.pxe.pxe_config_template)
            render_mock.assert_called_with(
                CONF.pxe.pxe_config_template,
                {'pxe_options': self.pxe_options,
                 'ROOT': '{{ ROOT }}',
                 'DISK_IDENTIFIER': '{{ DISK_IDENTIFIER }}'}
            )
        node_dir = os.path.join(CONF.pxe.tftp_root, self.node.uuid)
        pxe_dir = os.path.join(CONF.pxe.tftp_root, 'pxelinux.cfg')
        ensure_calls = [
            mock.call(node_dir), mock.call(pxe_dir),
        ]
        ensure_tree_mock.assert_has_calls(ensure_calls)
        chmod_calls = [mock.call(node_dir, 0o755), mock.call(pxe_dir, 0o755)]
        chmod_mock.assert_has_calls(chmod_calls)

        pxe_cfg_file_path = pxe_utils.get_pxe_config_file_path(self.node.uuid)
        write_mock.assert_called_with(pxe_cfg_file_path,
                                      render_mock.return_value)

    @mock.patch.object(os.path, 'isdir', autospec=True)
    @mock.patch.object(os, 'chmod', autospec=True)
    @mock.patch('ironic.common.utils.write_to_file', autospec=True)
    @mock.patch('ironic.common.utils.render_template', autospec=True)
    @mock.patch('oslo_utils.fileutils.ensure_tree', autospec=True)
    def test_create_pxe_config_existing_dirs(self, ensure_tree_mock,
                                             render_mock,
                                             write_mock, chmod_mock,
                                             isdir_mock):
        self.config(dir_permission=0o755, group='pxe')
        with task_manager.acquire(self.context, self.node.uuid) as task:
            isdir_mock.return_value = True
            pxe_utils.create_pxe_config(task, self.pxe_options,
                                        CONF.pxe.pxe_config_template)
            render_mock.assert_called_with(
                CONF.pxe.pxe_config_template,
                {'pxe_options': self.pxe_options,
                 'ROOT': '{{ ROOT }}',
                 'DISK_IDENTIFIER': '{{ DISK_IDENTIFIER }}'}
            )
        ensure_tree_mock.assert_has_calls([])
        chmod_mock.assert_not_called()
        isdir_mock.assert_has_calls([])
        pxe_cfg_file_path = pxe_utils.get_pxe_config_file_path(self.node.uuid)
        write_mock.assert_called_with(pxe_cfg_file_path,
                                      render_mock.return_value)

    # NOTE(TheJulia): Remove elilo support after the deprecation period,
    # in the Queens release.
    @mock.patch.object(os, 'chmod', autospec=True)
    @mock.patch('ironic.common.pxe_utils._link_ip_address_pxe_configs',
                autospec=True)
    @mock.patch('ironic.common.utils.write_to_file', autospec=True)
    @mock.patch('ironic.common.utils.render_template', autospec=True)
    @mock.patch('oslo_utils.fileutils.ensure_tree', autospec=True)
    def test_create_pxe_config_uefi_elilo(self, ensure_tree_mock, render_mock,
                                          write_mock, link_ip_configs_mock,
                                          chmod_mock):
        self.config(
            uefi_pxe_config_template=('ironic/drivers/modules/'
                                      'elilo_efi_pxe_config.template'),
            group='pxe'
        )
        with task_manager.acquire(self.context, self.node.uuid) as task:
            task.node.properties['capabilities'] = 'boot_mode:uefi'
            pxe_utils.create_pxe_config(task, self.pxe_options,
                                        CONF.pxe.uefi_pxe_config_template)

            ensure_calls = [
                mock.call(os.path.join(CONF.pxe.tftp_root, self.node.uuid)),
                mock.call(os.path.join(CONF.pxe.tftp_root, 'pxelinux.cfg')),
            ]
            ensure_tree_mock.assert_has_calls(ensure_calls)
            chmod_mock.assert_not_called()
            render_mock.assert_called_with(
                CONF.pxe.uefi_pxe_config_template,
                {'pxe_options': self.pxe_options,
                 'ROOT': '{{ ROOT }}',
                 'DISK_IDENTIFIER': '{{ DISK_IDENTIFIER }}'})
            link_ip_configs_mock.assert_called_once_with(task, True, False)

        pxe_cfg_file_path = pxe_utils.get_pxe_config_file_path(self.node.uuid)
        write_mock.assert_called_with(pxe_cfg_file_path,
                                      render_mock.return_value)

    @mock.patch.object(os, 'chmod', autospec=True)
    @mock.patch('ironic.common.pxe_utils._link_ip_address_pxe_configs',
                autospec=True)
    @mock.patch('ironic.common.utils.write_to_file', autospec=True)
    @mock.patch('ironic.common.utils.render_template', autospec=True)
    @mock.patch('oslo_utils.fileutils.ensure_tree', autospec=True)
    def test_create_pxe_config_uefi_grub(self, ensure_tree_mock, render_mock,
                                         write_mock, link_ip_configs_mock,
                                         chmod_mock):
        grub_tmplte = "ironic/drivers/modules/pxe_grub_config.template"
        with task_manager.acquire(self.context, self.node.uuid) as task:
            task.node.properties['capabilities'] = 'boot_mode:uefi'
            pxe_utils.create_pxe_config(task, self.pxe_options,
                                        grub_tmplte)

            ensure_calls = [
                mock.call(os.path.join(CONF.pxe.tftp_root, self.node.uuid)),
                mock.call(os.path.join(CONF.pxe.tftp_root, 'pxelinux.cfg')),
            ]
            ensure_tree_mock.assert_has_calls(ensure_calls)
            chmod_mock.assert_not_called()
            render_mock.assert_called_with(
                grub_tmplte,
                {'pxe_options': self.pxe_options,
                 'ROOT': '(( ROOT ))',
                 'DISK_IDENTIFIER': '(( DISK_IDENTIFIER ))'})
            link_ip_configs_mock.assert_called_once_with(task, False, False)

        pxe_cfg_file_path = pxe_utils.get_pxe_config_file_path(self.node.uuid)
        write_mock.assert_called_with(pxe_cfg_file_path,
                                      render_mock.return_value)

    @mock.patch.object(os, 'chmod', autospec=True)
    @mock.patch('ironic.common.pxe_utils._link_mac_pxe_configs',
                autospec=True)
    @mock.patch('ironic.common.pxe_utils._link_ip_address_pxe_configs',
                autospec=True)
    @mock.patch('ironic.common.utils.write_to_file', autospec=True)
    @mock.patch('ironic.common.utils.render_template', autospec=True)
    @mock.patch('oslo_utils.fileutils.ensure_tree', autospec=True)
    def test_create_pxe_config_uefi_mac_address(
            self, ensure_tree_mock, render_mock,
            write_mock, link_ip_configs_mock,
            link_mac_pxe_configs_mock, chmod_mock):
        # TODO(TheJulia): We should... like... fix the template to
        # enable mac address usage.....
        grub_tmplte = "ironic/drivers/modules/pxe_grub_config.template"
        link_ip_configs_mock.side_efect = exception.FailedToGetIPAddressOnPort(
            port_id='blah')
        with task_manager.acquire(self.context, self.node.uuid) as task:
            task.node.properties['capabilities'] = 'boot_mode:uefi'
            pxe_utils.create_pxe_config(task, self.pxe_options,
                                        grub_tmplte)

            ensure_calls = [
                mock.call(os.path.join(CONF.pxe.tftp_root, self.node.uuid)),
                mock.call(os.path.join(CONF.pxe.tftp_root, 'pxelinux.cfg')),
            ]
            ensure_tree_mock.assert_has_calls(ensure_calls)
            chmod_mock.assert_not_called()
            render_mock.assert_called_with(
                grub_tmplte,
                {'pxe_options': self.pxe_options,
                 'ROOT': '(( ROOT ))',
                 'DISK_IDENTIFIER': '(( DISK_IDENTIFIER ))'})
            link_mac_pxe_configs_mock.assert_called_once_with(
                task, ipxe_enabled=False)
            link_ip_configs_mock.assert_called_once_with(task, False, False)

        pxe_cfg_file_path = pxe_utils.get_pxe_config_file_path(self.node.uuid)
        write_mock.assert_called_with(pxe_cfg_file_path,
                                      render_mock.return_value)

    @mock.patch.object(os, 'chmod', autospec=True)
    @mock.patch('ironic.common.pxe_utils._link_mac_pxe_configs', autospec=True)
    @mock.patch('ironic.common.utils.write_to_file', autospec=True)
    @mock.patch('ironic.common.utils.render_template', autospec=True)
    @mock.patch('oslo_utils.fileutils.ensure_tree', autospec=True)
    def test_create_pxe_config_uefi_ipxe(self, ensure_tree_mock, render_mock,
                                         write_mock, link_mac_pxe_mock,
                                         chmod_mock):
        self.config(ipxe_enabled=True, group='pxe')
        ipxe_template = "ironic/drivers/modules/ipxe_config.template"
        with task_manager.acquire(self.context, self.node.uuid) as task:
            task.node.properties['capabilities'] = 'boot_mode:uefi'
            pxe_utils.create_pxe_config(task, self.ipxe_options,
                                        ipxe_template, ipxe_enabled=True)

            ensure_calls = [
                mock.call(os.path.join(CONF.deploy.http_root, self.node.uuid)),
                mock.call(os.path.join(CONF.deploy.http_root, 'pxelinux.cfg')),
            ]
            ensure_tree_mock.assert_has_calls(ensure_calls)
            chmod_mock.assert_not_called()
            render_mock.assert_called_with(
                ipxe_template,
                {'pxe_options': self.ipxe_options,
                 'ROOT': '{{ ROOT }}',
                 'DISK_IDENTIFIER': '{{ DISK_IDENTIFIER }}'})
            link_mac_pxe_mock.assert_called_once_with(task, ipxe_enabled=True)

        pxe_cfg_file_path = pxe_utils.get_pxe_config_file_path(
            self.node.uuid, ipxe_enabled=True)
        write_mock.assert_called_with(pxe_cfg_file_path,
                                      render_mock.return_value)

    @mock.patch('ironic.common.utils.rmtree_without_raise', autospec=True)
    @mock.patch('ironic_lib.utils.unlink_without_raise', autospec=True)
    def test_clean_up_pxe_config(self, unlink_mock, rmtree_mock):
        address = "aa:aa:aa:aa:aa:aa"
        object_utils.create_test_port(self.context, node_id=self.node.id,
                                      address=address)

        with task_manager.acquire(self.context, self.node.uuid) as task:
            pxe_utils.clean_up_pxe_config(task)

        ensure_calls = [
            mock.call("/tftpboot/pxelinux.cfg/01-%s"
                      % address.replace(':', '-')),
            mock.call("/tftpboot/%s.conf" % address)
        ]

        unlink_mock.assert_has_calls(ensure_calls)
        rmtree_mock.assert_called_once_with(
            os.path.join(CONF.pxe.tftp_root, self.node.uuid))

    @mock.patch.object(os.path, 'isfile', lambda path: False)
    @mock.patch('ironic.common.utils.file_has_content', autospec=True)
    @mock.patch('ironic.common.utils.write_to_file', autospec=True)
    @mock.patch('ironic.common.utils.render_template', autospec=True)
    def test_create_ipxe_boot_script(self, render_mock, write_mock,
                                     file_has_content_mock):
        render_mock.return_value = 'foo'
        pxe_utils.create_ipxe_boot_script()
        self.assertFalse(file_has_content_mock.called)
        write_mock.assert_called_once_with(
            os.path.join(CONF.deploy.http_root,
                         os.path.basename(CONF.pxe.ipxe_boot_script)),
            'foo')
        render_mock.assert_called_once_with(
            CONF.pxe.ipxe_boot_script,
            {'ipxe_for_mac_uri': 'pxelinux.cfg/'})

    @mock.patch.object(os.path, 'isfile', lambda path: True)
    @mock.patch('ironic.common.utils.file_has_content', autospec=True)
    @mock.patch('ironic.common.utils.write_to_file', autospec=True)
    @mock.patch('ironic.common.utils.render_template', autospec=True)
    def test_create_ipxe_boot_script_copy_file_different(
            self, render_mock, write_mock, file_has_content_mock):
        file_has_content_mock.return_value = False
        render_mock.return_value = 'foo'
        pxe_utils.create_ipxe_boot_script()
        file_has_content_mock.assert_called_once_with(
            os.path.join(CONF.deploy.http_root,
                         os.path.basename(CONF.pxe.ipxe_boot_script)),
            'foo')
        write_mock.assert_called_once_with(
            os.path.join(CONF.deploy.http_root,
                         os.path.basename(CONF.pxe.ipxe_boot_script)),
            'foo')
        render_mock.assert_called_once_with(
            CONF.pxe.ipxe_boot_script,
            {'ipxe_for_mac_uri': 'pxelinux.cfg/'})

    @mock.patch.object(os.path, 'isfile', lambda path: True)
    @mock.patch('ironic.common.utils.file_has_content', autospec=True)
    @mock.patch('ironic.common.utils.write_to_file', autospec=True)
    @mock.patch('ironic.common.utils.render_template', autospec=True)
    def test_create_ipxe_boot_script_already_exists(self, render_mock,
                                                    write_mock,
                                                    file_has_content_mock):
        file_has_content_mock.return_value = True
        pxe_utils.create_ipxe_boot_script()
        self.assertFalse(write_mock.called)

    def test__get_pxe_mac_path(self):
        mac = '00:11:22:33:44:55:66'
        self.assertEqual('/tftpboot/pxelinux.cfg/01-00-11-22-33-44-55-66',
                         pxe_utils._get_pxe_mac_path(mac))

    def test__get_pxe_mac_path_ipxe(self):
        self.config(http_root='/httpboot', group='deploy')
        mac = '00:11:22:33:AA:BB:CC'
        self.assertEqual('/httpboot/pxelinux.cfg/00-11-22-33-aa-bb-cc',
                         pxe_utils._get_pxe_mac_path(mac, ipxe_enabled=True))

    def test__get_pxe_ip_address_path(self):
        ipaddress = '10.10.0.1'
        self.assertEqual('/tftpboot/10.10.0.1.conf',
                         pxe_utils._get_pxe_ip_address_path(ipaddress, False))

    def test_get_root_dir(self):
        expected_dir = '/tftproot'
        self.config(ipxe_enabled=False, group='pxe')
        self.config(tftp_root=expected_dir, group='pxe')
        self.assertEqual(expected_dir, pxe_utils.get_root_dir())

    def test_get_root_dir_ipxe(self):
        expected_dir = '/httpboot'
        self.config(ipxe_enabled=True, group='pxe')
        self.config(http_root=expected_dir, group='deploy')
        self.assertEqual(expected_dir, pxe_utils.get_root_dir())

    def test_get_pxe_config_file_path(self):
        self.assertEqual(os.path.join(CONF.pxe.tftp_root,
                                      self.node.uuid,
                                      'config'),
                         pxe_utils.get_pxe_config_file_path(self.node.uuid))

    def _dhcp_options_for_instance(self, ip_version=4):
        self.config(ip_version=ip_version, group='pxe')
        if ip_version == 4:
            self.config(tftp_server='192.0.2.1', group='pxe')
        elif ip_version == 6:
            self.config(tftp_server='ff80::1', group='pxe')
        self.config(pxe_bootfile_name='fake-bootfile', group='pxe')
        self.config(tftp_root='/tftp-path/', group='pxe')

        if ip_version == 6:
            # NOTE(TheJulia): DHCPv6 RFCs seem to indicate that the prior
            # options are not imported, although they may be supported
            # by vendors. The apparent proper option is to return a
            # URL in the field https://tools.ietf.org/html/rfc5970#section-3
            expected_info = [{'opt_name': '59',
                              'opt_value': 'tftp://[ff80::1]/fake-bootfile',
                              'ip_version': ip_version}]
        elif ip_version == 4:
            expected_info = [{'opt_name': '67',
                              'opt_value': 'fake-bootfile',
                              'ip_version': ip_version},
                             {'opt_name': '210',
                              'opt_value': '/tftp-path/',
                              'ip_version': ip_version},
                             {'opt_name': '66',
                              'opt_value': '192.0.2.1',
                              'ip_version': ip_version},
                             {'opt_name': '150',
                              'opt_value': '192.0.2.1',
                              'ip_version': ip_version},
                             {'opt_name': 'server-ip-address',
                              'opt_value': '192.0.2.1',
                              'ip_version': ip_version}
                             ]
        with task_manager.acquire(self.context, self.node.uuid) as task:
            self.assertEqual(expected_info,
                             pxe_utils.dhcp_options_for_instance(task))

    def test_dhcp_options_for_instance(self):
        self._dhcp_options_for_instance(ip_version=4)

    def test_dhcp_options_for_instance_ipv6(self):
        self.config(tftp_server='ff80::1', group='pxe')
        self._dhcp_options_for_instance(ip_version=6)

    def _test_get_kernel_ramdisk_info(self, expected_dir, mode='deploy'):
        node_uuid = 'fake-node'

        driver_info = {
            '%s_kernel' % mode: 'glance://%s-kernel' % mode,
            '%s_ramdisk' % mode: 'glance://%s-ramdisk' % mode,
        }

        expected = {}
        for k, v in driver_info.items():
            expected[k] = (v, expected_dir + '/fake-node/%s' % k)
        kr_info = pxe_utils.get_kernel_ramdisk_info(node_uuid,
                                                    driver_info,
                                                    mode=mode)
        self.assertEqual(expected, kr_info)

    def test_get_kernel_ramdisk_info(self):
        expected_dir = '/tftp'
        self.config(tftp_root=expected_dir, group='pxe')
        self._test_get_kernel_ramdisk_info(expected_dir)

    def test_get_kernel_ramdisk_info_ipxe(self):
        expected_dir = '/http'
        self.config(ipxe_enabled=True, group='pxe')
        self.config(http_root=expected_dir, group='deploy')
        self._test_get_kernel_ramdisk_info(expected_dir)

    def test_get_kernel_ramdisk_info_bad_driver_info(self):
        self.config(tftp_root='/tftp', group='pxe')
        node_uuid = 'fake-node'
        driver_info = {}
        self.assertRaises(KeyError,
                          pxe_utils.get_kernel_ramdisk_info,
                          node_uuid,
                          driver_info)

    def test_get_rescue_kr_info(self):
        expected_dir = '/tftp'
        self.config(tftp_root=expected_dir, group='pxe')
        self._test_get_kernel_ramdisk_info(expected_dir, mode='rescue')

    def test_get_rescue_kr_info_ipxe(self):
        expected_dir = '/http'
        self.config(ipxe_enabled=True, group='pxe')
        self.config(http_root=expected_dir, group='deploy')
        self._test_get_kernel_ramdisk_info(expected_dir, mode='rescue')

    def _dhcp_options_for_instance_ipxe(self, task, boot_file, ip_version=4):
        self.config(ipxe_enabled=True, group='pxe')
        self.config(ipxe_boot_script='/test/boot.ipxe', group='pxe')
        self.config(tftp_root='/tftp-path/', group='pxe')
        if ip_version == 4:
            self.config(tftp_server='192.0.2.1', group='pxe')
            self.config(http_url='http://192.0.3.2:1234', group='deploy')
            self.config(ipxe_boot_script='/test/boot.ipxe', group='pxe')
        elif ip_version == 6:
            self.config(tftp_server='ff80::1', group='pxe')
            self.config(http_url='http://[ff80::1]:1234', group='deploy')

        self.config(dhcp_provider='isc', group='dhcp')
        if ip_version == 6:
            # NOTE(TheJulia): DHCPv6 RFCs seem to indicate that the prior
            # options are not imported, although they may be supported
            # by vendors. The apparent proper option is to return a
            # URL in the field https://tools.ietf.org/html/rfc5970#section-3
            expected_boot_script_url = 'http://[ff80::1]:1234/boot.ipxe'
            expected_info = [{'opt_name': '!175,59',
                              'opt_value': 'tftp://[ff80::1]/fake-bootfile',
                              'ip_version': ip_version},
                             {'opt_name': '59',
                              'opt_value': expected_boot_script_url,
                              'ip_version': ip_version}]

        elif ip_version == 4:
            expected_boot_script_url = 'http://192.0.3.2:1234/boot.ipxe'
            expected_info = [{'opt_name': '!175,67',
                              'opt_value': boot_file,
                              'ip_version': ip_version},
                             {'opt_name': '66',
                              'opt_value': '192.0.2.1',
                              'ip_version': ip_version},
                             {'opt_name': '150',
                              'opt_value': '192.0.2.1',
                              'ip_version': ip_version},
                             {'opt_name': '67',
                              'opt_value': expected_boot_script_url,
                              'ip_version': ip_version},
                             {'opt_name': 'server-ip-address',
                              'opt_value': '192.0.2.1',
                              'ip_version': ip_version}]

        self.assertItemsEqual(expected_info,
                              pxe_utils.dhcp_options_for_instance(
                                  task, ipxe_enabled=True))

        self.config(dhcp_provider='neutron', group='dhcp')
        if ip_version == 6:
            # Boot URL variable set from prior test of isc parameters.
            expected_info = [{'opt_name': 'tag:!ipxe,59',
                              'opt_value': 'tftp://[ff80::1]/fake-bootfile',
                              'ip_version': ip_version},
                             {'opt_name': 'tag:ipxe,59',
                              'opt_value': expected_boot_script_url,
                              'ip_version': ip_version}]
        elif ip_version == 4:
            expected_info = [{'opt_name': 'tag:!ipxe,67',
                              'opt_value': boot_file,
                              'ip_version': ip_version},
                             {'opt_name': '66',
                              'opt_value': '192.0.2.1',
                              'ip_version': ip_version},
                             {'opt_name': '150',
                              'opt_value': '192.0.2.1',
                              'ip_version': ip_version},
                             {'opt_name': 'tag:ipxe,67',
                              'opt_value': expected_boot_script_url,
                              'ip_version': ip_version},
                             {'opt_name': 'server-ip-address',
                              'opt_value': '192.0.2.1',
                              'ip_version': ip_version}]

        self.assertItemsEqual(expected_info,
                              pxe_utils.dhcp_options_for_instance(
                                  task, ipxe_enabled=True))

    def test_dhcp_options_for_instance_ipxe_bios(self):
        self.config(ip_version=4, group='pxe')
        boot_file = 'fake-bootfile-bios'
        self.config(pxe_bootfile_name=boot_file, group='pxe')
        with task_manager.acquire(self.context, self.node.uuid) as task:
            self._dhcp_options_for_instance_ipxe(task, boot_file)

    def test_dhcp_options_for_instance_ipxe_uefi(self):
        self.config(ip_version=4, group='pxe')
        boot_file = 'fake-bootfile-uefi'
        self.config(uefi_pxe_bootfile_name=boot_file, group='pxe')
        with task_manager.acquire(self.context, self.node.uuid) as task:
            task.node.properties['capabilities'] = 'boot_mode:uefi'
            self._dhcp_options_for_instance_ipxe(task, boot_file)

    def test_dhcp_options_for_ipxe_ipv6(self):
        self.config(ip_version=6, group='pxe')
        boot_file = 'fake-bootfile'
        self.config(pxe_bootfile_name=boot_file, group='pxe')
        with task_manager.acquire(self.context, self.node.uuid) as task:
            self._dhcp_options_for_instance_ipxe(task, boot_file, ip_version=6)

    @mock.patch('ironic.common.utils.rmtree_without_raise', autospec=True)
    @mock.patch('ironic_lib.utils.unlink_without_raise', autospec=True)
    @mock.patch('ironic.common.dhcp_factory.DHCPFactory.provider',
                autospec=True)
    def test_clean_up_pxe_config_uefi(self, provider_mock, unlink_mock,
                                      rmtree_mock):
        ip_address = '10.10.0.1'
        address = "aa:aa:aa:aa:aa:aa"
        properties = {'capabilities': 'boot_mode:uefi'}
        object_utils.create_test_port(self.context, node_id=self.node.id,
                                      address=address)

        provider_mock.get_ip_addresses.return_value = [ip_address]

        with task_manager.acquire(self.context, self.node.uuid) as task:
            task.node.properties = properties
            pxe_utils.clean_up_pxe_config(task)

            unlink_calls = [
                mock.call('/tftpboot/10.10.0.1.conf'),
                mock.call('/tftpboot/0A0A0001.conf')
            ]
            unlink_mock.assert_has_calls(unlink_calls)
            rmtree_mock.assert_called_once_with(
                os.path.join(CONF.pxe.tftp_root, self.node.uuid))

    @mock.patch('ironic.common.utils.rmtree_without_raise', autospec=True)
    @mock.patch('ironic_lib.utils.unlink_without_raise', autospec=True)
    @mock.patch('ironic.common.dhcp_factory.DHCPFactory.provider',
                autospec=True)
    def test_clean_up_pxe_config_uefi_mac_address(
            self, provider_mock, unlink_mock, rmtree_mock):
        ip_address = '10.10.0.1'
        address = "aa:aa:aa:aa:aa:aa"
        properties = {'capabilities': 'boot_mode:uefi'}
        object_utils.create_test_port(self.context, node_id=self.node.id,
                                      address=address)

        provider_mock.get_ip_addresses.return_value = [ip_address]

        with task_manager.acquire(self.context, self.node.uuid) as task:
            task.node.properties = properties
            pxe_utils.clean_up_pxe_config(task)

            unlink_calls = [
                mock.call('/tftpboot/10.10.0.1.conf'),
                mock.call('/tftpboot/0A0A0001.conf'),
                mock.call('/tftpboot/pxelinux.cfg/01-%s' %
                          address.replace(':', '-'))
            ]

            unlink_mock.assert_has_calls(unlink_calls)
            rmtree_mock.assert_called_once_with(
                os.path.join(CONF.pxe.tftp_root, self.node.uuid))

    @mock.patch('ironic.common.utils.rmtree_without_raise', autospec=True)
    @mock.patch('ironic_lib.utils.unlink_without_raise', autospec=True)
    @mock.patch('ironic.common.dhcp_factory.DHCPFactory.provider',
                autospec=True)
    def test_clean_up_pxe_config_uefi_instance_info(self,
                                                    provider_mock, unlink_mock,
                                                    rmtree_mock):
        ip_address = '10.10.0.1'
        address = "aa:aa:aa:aa:aa:aa"
        object_utils.create_test_port(self.context, node_id=self.node.id,
                                      address=address)

        provider_mock.get_ip_addresses.return_value = [ip_address]

        with task_manager.acquire(self.context, self.node.uuid) as task:
            task.node.instance_info['deploy_boot_mode'] = 'uefi'
            pxe_utils.clean_up_pxe_config(task)

            unlink_calls = [
                mock.call('/tftpboot/10.10.0.1.conf'),
                mock.call('/tftpboot/0A0A0001.conf')
            ]
            unlink_mock.assert_has_calls(unlink_calls)
            rmtree_mock.assert_called_once_with(
                os.path.join(CONF.pxe.tftp_root, self.node.uuid))

    @mock.patch('ironic.common.utils.rmtree_without_raise', autospec=True)
    @mock.patch('ironic_lib.utils.unlink_without_raise', autospec=True)
    def test_clean_up_ipxe_config_uefi(self, unlink_mock, rmtree_mock):
        self.config(ipxe_enabled=True, group='pxe')
        address = "aa:aa:aa:aa:aa:aa"
        properties = {'capabilities': 'boot_mode:uefi'}
        object_utils.create_test_port(self.context, node_id=self.node.id,
                                      address=address)

        with task_manager.acquire(self.context, self.node.uuid) as task:
            task.node.properties = properties
            pxe_utils.clean_up_pxe_config(task, ipxe_enabled=True)

            ensure_calls = [
                mock.call("/httpboot/pxelinux.cfg/%s"
                          % address.replace(':', '-')),
                mock.call("/httpboot/%s.conf" % address)
            ]

            unlink_mock.assert_has_calls(ensure_calls)
            rmtree_mock.assert_called_once_with(
                os.path.join(CONF.deploy.http_root, self.node.uuid))

    def test_get_tftp_path_prefix_with_trailing_slash(self):
        self.config(tftp_root='/tftpboot-path/', group='pxe')
        path_prefix = pxe_utils.get_tftp_path_prefix()
        self.assertEqual(path_prefix, '/tftpboot-path/')

    def test_get_tftp_path_prefix_without_trailing_slash(self):
        self.config(tftp_root='/tftpboot-path', group='pxe')
        path_prefix = pxe_utils.get_tftp_path_prefix()
        self.assertEqual(path_prefix, '/tftpboot-path/')

    def test_get_path_relative_to_tftp_root_with_trailing_slash(self):
        self.config(tftp_root='/tftpboot-path/', group='pxe')
        test_file_path = '/tftpboot-path/pxelinux.cfg/test'
        relpath = pxe_utils.get_path_relative_to_tftp_root(test_file_path)
        self.assertEqual(relpath, 'pxelinux.cfg/test')

    def test_get_path_relative_to_tftp_root_without_trailing_slash(self):
        self.config(tftp_root='/tftpboot-path', group='pxe')
        test_file_path = '/tftpboot-path/pxelinux.cfg/test'
        relpath = pxe_utils.get_path_relative_to_tftp_root(test_file_path)
        self.assertEqual(relpath, 'pxelinux.cfg/test')


@mock.patch.object(ipxe.iPXEBoot, '__init__', lambda self: None)
@mock.patch.object(pxe.PXEBoot, '__init__', lambda self: None)
class PXEInterfacesTestCase(db_base.DbTestCase):

    def setUp(self):
        super(PXEInterfacesTestCase, self).setUp()
        n = {
            'driver': 'fake-hardware',
            'boot_interface': 'pxe',
            'instance_info': INST_INFO_DICT,
            'driver_info': DRV_INFO_DICT,
            'driver_internal_info': DRV_INTERNAL_INFO_DICT,
        }
        self.config_temp_dir('http_root', group='deploy')
        self.node = object_utils.create_test_node(self.context, **n)

    def _test_parse_driver_info_missing_kernel(self, mode='deploy'):
        del self.node.driver_info['%s_kernel' % mode]
        if mode == 'rescue':
            self.node.provision_state = states.RESCUING
        self.assertRaises(exception.MissingParameterValue,
                          pxe_utils.parse_driver_info, self.node, mode=mode)

    def test_parse_driver_info_missing_deploy_kernel(self):
        self._test_parse_driver_info_missing_kernel()

    def test_parse_driver_info_missing_rescue_kernel(self):
        self._test_parse_driver_info_missing_kernel(mode='rescue')

    def _test_parse_driver_info_missing_ramdisk(self, mode='deploy'):
        del self.node.driver_info['%s_ramdisk' % mode]
        if mode == 'rescue':
            self.node.provision_state = states.RESCUING
        self.assertRaises(exception.MissingParameterValue,
                          pxe_utils.parse_driver_info, self.node, mode=mode)

    def test_parse_driver_info_missing_deploy_ramdisk(self):
        self._test_parse_driver_info_missing_ramdisk()

    def test_parse_driver_info_missing_rescue_ramdisk(self):
        self._test_parse_driver_info_missing_ramdisk(mode='rescue')

    def _test_parse_driver_info(self, mode='deploy'):
        exp_info = {'%s_ramdisk' % mode: 'glance://%s_ramdisk_uuid' % mode,
                    '%s_kernel' % mode: 'glance://%s_kernel_uuid' % mode}
        image_info = pxe_utils.parse_driver_info(self.node, mode=mode)
        self.assertEqual(exp_info, image_info)

    def test_parse_driver_info_deploy(self):
        self._test_parse_driver_info()

    def test_parse_driver_info_rescue(self):
        self._test_parse_driver_info(mode='rescue')

    def test__get_deploy_image_info(self):
        expected_info = {'deploy_ramdisk':
                         (DRV_INFO_DICT['deploy_ramdisk'],
                          os.path.join(CONF.pxe.tftp_root,
                                       self.node.uuid,
                                       'deploy_ramdisk')),
                         'deploy_kernel':
                         (DRV_INFO_DICT['deploy_kernel'],
                          os.path.join(CONF.pxe.tftp_root,
                                       self.node.uuid,
                                       'deploy_kernel'))}
        image_info = pxe_utils.get_image_info(self.node)
        self.assertEqual(expected_info, image_info)

    def test__get_deploy_image_info_missing_deploy_kernel(self):
        del self.node.driver_info['deploy_kernel']
        self.assertRaises(exception.MissingParameterValue,
                          pxe_utils.get_image_info, self.node)

    def test__get_deploy_image_info_deploy_ramdisk(self):
        del self.node.driver_info['deploy_ramdisk']
        self.assertRaises(exception.MissingParameterValue,
                          pxe_utils.get_image_info, self.node)

    @mock.patch.object(base_image_service.BaseImageService, '_show',
                       autospec=True)
    def _test_get_instance_image_info(self, show_mock):
        properties = {'properties': {u'kernel_id': u'instance_kernel_uuid',
                      u'ramdisk_id': u'instance_ramdisk_uuid'}}

        expected_info = {'ramdisk':
                         ('instance_ramdisk_uuid',
                          os.path.join(CONF.pxe.tftp_root,
                                       self.node.uuid,
                                       'ramdisk')),
                         'kernel':
                         ('instance_kernel_uuid',
                          os.path.join(CONF.pxe.tftp_root,
                                       self.node.uuid,
                                       'kernel'))}
        show_mock.return_value = properties
        self.context.auth_token = 'fake'
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            image_info = pxe_utils.get_instance_image_info(task)
            show_mock.assert_called_once_with(mock.ANY, 'glance://image_uuid',
                                              method='get')
            self.assertEqual(expected_info, image_info)

            # test with saved info
            show_mock.reset_mock()
            image_info = pxe_utils.get_instance_image_info(task)
            self.assertEqual(expected_info, image_info)
            self.assertFalse(show_mock.called)
            self.assertEqual('instance_kernel_uuid',
                             task.node.instance_info['kernel'])
            self.assertEqual('instance_ramdisk_uuid',
                             task.node.instance_info['ramdisk'])

    def test_get_instance_image_info(self):
        # Tests when 'is_whole_disk_image' exists in driver_internal_info
        self._test_get_instance_image_info()

    def test_get_instance_image_info_without_is_whole_disk_image(self):
        # Tests when 'is_whole_disk_image' doesn't exists in
        # driver_internal_info
        del self.node.driver_internal_info['is_whole_disk_image']
        self.node.save()
        self._test_get_instance_image_info()

    @mock.patch('ironic.drivers.modules.deploy_utils.get_boot_option',
                return_value='local')
    def test_get_instance_image_info_localboot(self, boot_opt_mock):
        self.node.driver_internal_info['is_whole_disk_image'] = False
        self.node.save()
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            image_info = pxe_utils.get_instance_image_info(task)
            self.assertEqual({}, image_info)
            boot_opt_mock.assert_called_once_with(task.node)

    @mock.patch.object(base_image_service.BaseImageService, '_show',
                       autospec=True)
    def test_get_instance_image_info_whole_disk_image(self, show_mock):
        properties = {'properties': None}
        show_mock.return_value = properties
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            task.node.driver_internal_info['is_whole_disk_image'] = True
            image_info = pxe_utils.get_instance_image_info(task)
        self.assertEqual({}, image_info)

    @mock.patch('ironic.common.utils.render_template', autospec=True)
    def _test_build_pxe_config_options_pxe(self, render_mock,
                                           whle_dsk_img=False,
                                           debug=False, mode='deploy'):
        self.config(debug=debug)
        self.config(pxe_append_params='test_param', group='pxe')
        # NOTE: right '/' should be removed from url string
        self.config(api_url='http://192.168.122.184:6385', group='conductor')

        driver_internal_info = self.node.driver_internal_info
        driver_internal_info['is_whole_disk_image'] = whle_dsk_img
        self.node.driver_internal_info = driver_internal_info
        self.node.save()

        tftp_server = CONF.pxe.tftp_server

        kernel_label = '%s_kernel' % mode
        ramdisk_label = '%s_ramdisk' % mode

        pxe_kernel = os.path.join(self.node.uuid, kernel_label)
        pxe_ramdisk = os.path.join(self.node.uuid, ramdisk_label)
        kernel = os.path.join(self.node.uuid, 'kernel')
        ramdisk = os.path.join(self.node.uuid, 'ramdisk')
        root_dir = CONF.pxe.tftp_root

        image_info = {
            kernel_label: (kernel_label,
                           os.path.join(root_dir,
                                        self.node.uuid,
                                        kernel_label)),
            ramdisk_label: (ramdisk_label,
                            os.path.join(root_dir,
                                         self.node.uuid,
                                         ramdisk_label))
        }

        if (whle_dsk_img
            or deploy_utils.get_boot_option(self.node) == 'local'):
                ramdisk = 'no_ramdisk'
                kernel = 'no_kernel'
        else:
            image_info.update({
                'kernel': ('kernel_id',
                           os.path.join(root_dir,
                                        self.node.uuid,
                                        'kernel')),
                'ramdisk': ('ramdisk_id',
                            os.path.join(root_dir,
                                         self.node.uuid,
                                         'ramdisk'))
            })

        expected_pxe_params = 'test_param'
        if debug:
            expected_pxe_params += ' ipa-debug=1'

        expected_options = {
            'deployment_ari_path': pxe_ramdisk,
            'pxe_append_params': expected_pxe_params,
            'deployment_aki_path': pxe_kernel,
            'tftp_server': tftp_server,
            'ipxe_timeout': 0,
            'ari_path': ramdisk,
            'aki_path': kernel,
        }

        if mode == 'rescue':
            self.node.provision_state = states.RESCUING
            self.node.save()

        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            options = pxe_utils.build_pxe_config_options(task, image_info)
        self.assertEqual(expected_options, options)

    def test_build_pxe_config_options_pxe(self):
        self._test_build_pxe_config_options_pxe(whle_dsk_img=True)

    def test_build_pxe_config_options_pxe_ipa_debug(self):
        self._test_build_pxe_config_options_pxe(debug=True)

    def test_build_pxe_config_options_pxe_rescue(self):
        del self.node.driver_internal_info['is_whole_disk_image']
        self._test_build_pxe_config_options_pxe(mode='rescue')

    def test_build_pxe_config_options_ipa_debug_rescue(self):
        del self.node.driver_internal_info['is_whole_disk_image']
        self._test_build_pxe_config_options_pxe(debug=True, mode='rescue')

    def test_build_pxe_config_options_pxe_local_boot(self):
        del self.node.driver_internal_info['is_whole_disk_image']
        i_info = self.node.instance_info
        i_info.update({'capabilities': {'boot_option': 'local'}})
        self.node.instance_info = i_info
        self.node.save()
        self._test_build_pxe_config_options_pxe(whle_dsk_img=False)

    def test_build_pxe_config_options_pxe_without_is_whole_disk_image(self):
        del self.node.driver_internal_info['is_whole_disk_image']
        self.node.save()
        self._test_build_pxe_config_options_pxe(whle_dsk_img=False)

    def test_build_pxe_config_options_pxe_no_kernel_no_ramdisk(self):
        del self.node.driver_internal_info['is_whole_disk_image']
        self.node.save()
        pxe_params = 'my-pxe-append-params ipa-debug=0'
        self.config(group='pxe', tftp_server='my-tftp-server')
        self.config(group='pxe', pxe_append_params=pxe_params)
        self.config(group='pxe', tftp_root='/tftp-path/')
        image_info = {
            'deploy_kernel': ('deploy_kernel',
                              os.path.join(CONF.pxe.tftp_root,
                                           'path-to-deploy_kernel')),
            'deploy_ramdisk': ('deploy_ramdisk',
                               os.path.join(CONF.pxe.tftp_root,
                                            'path-to-deploy_ramdisk'))}

        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            options = pxe_utils.build_pxe_config_options(task, image_info)

        expected_options = {
            'deployment_aki_path': 'path-to-deploy_kernel',
            'deployment_ari_path': 'path-to-deploy_ramdisk',
            'pxe_append_params': pxe_params,
            'tftp_server': 'my-tftp-server',
            'aki_path': 'no_kernel',
            'ari_path': 'no_ramdisk',
            'ipxe_timeout': 0}
        self.assertEqual(expected_options, options)

    @mock.patch('ironic.common.image_service.GlanceImageService',
                autospec=True)
    @mock.patch('ironic.common.utils.render_template', autospec=True)
    def _test_build_pxe_config_options_ipxe(self, render_mock, glance_mock,
                                            whle_dsk_img=False,
                                            ipxe_timeout=0,
                                            ipxe_use_swift=False,
                                            debug=False,
                                            boot_from_volume=False,
                                            mode='deploy'):
        self.config(debug=debug)
        self.config(pxe_append_params='test_param', group='pxe')
        # NOTE: right '/' should be removed from url string
        self.config(api_url='http://192.168.122.184:6385', group='conductor')
        self.config(ipxe_timeout=ipxe_timeout, group='pxe')
        root_dir = CONF.deploy.http_root

        driver_internal_info = self.node.driver_internal_info
        driver_internal_info['is_whole_disk_image'] = whle_dsk_img
        self.node.driver_internal_info = driver_internal_info
        self.node.save()

        tftp_server = CONF.pxe.tftp_server

        http_url = 'http://192.1.2.3:1234'
        self.config(ipxe_enabled=True, group='pxe')
        self.config(http_url=http_url, group='deploy')

        kernel_label = '%s_kernel' % mode
        ramdisk_label = '%s_ramdisk' % mode

        if ipxe_use_swift:
            self.config(ipxe_use_swift=True, group='pxe')
            glance = mock.Mock()
            glance_mock.return_value = glance
            glance.swift_temp_url.side_effect = [
                pxe_kernel, pxe_ramdisk] = [
                'swift_kernel', 'swift_ramdisk']
            image_info = {
                kernel_label: (uuidutils.generate_uuid(),
                               os.path.join(root_dir,
                                            self.node.uuid,
                                            kernel_label)),
                ramdisk_label: (uuidutils.generate_uuid(),
                                os.path.join(root_dir,
                                             self.node.uuid,
                                             ramdisk_label))
            }
        else:
            pxe_kernel = os.path.join(http_url, self.node.uuid,
                                      kernel_label)
            pxe_ramdisk = os.path.join(http_url, self.node.uuid,
                                       ramdisk_label)
            image_info = {
                kernel_label: (kernel_label,
                               os.path.join(root_dir,
                                            self.node.uuid,
                                            kernel_label)),
                ramdisk_label: (ramdisk_label,
                                os.path.join(root_dir,
                                             self.node.uuid,
                                             ramdisk_label))
            }

        kernel = os.path.join(http_url, self.node.uuid, 'kernel')
        ramdisk = os.path.join(http_url, self.node.uuid, 'ramdisk')
        if (whle_dsk_img
            or deploy_utils.get_boot_option(self.node) == 'local'):
                ramdisk = 'no_ramdisk'
                kernel = 'no_kernel'
        else:
            image_info.update({
                'kernel': ('kernel_id',
                           os.path.join(root_dir,
                                        self.node.uuid,
                                        'kernel')),
                'ramdisk': ('ramdisk_id',
                            os.path.join(root_dir,
                                         self.node.uuid,
                                         'ramdisk'))
            })

        ipxe_timeout_in_ms = ipxe_timeout * 1000

        expected_pxe_params = 'test_param'
        if debug:
            expected_pxe_params += ' ipa-debug=1'

        expected_options = {
            'deployment_ari_path': pxe_ramdisk,
            'pxe_append_params': expected_pxe_params,
            'deployment_aki_path': pxe_kernel,
            'tftp_server': tftp_server,
            'ipxe_timeout': ipxe_timeout_in_ms,
            'ari_path': ramdisk,
            'aki_path': kernel,
            'initrd_filename': ramdisk_label,
        }

        if mode == 'rescue':
            self.node.provision_state = states.RESCUING
            self.node.save()

        if boot_from_volume:
            expected_options.update({
                'boot_from_volume': True,
                'iscsi_boot_url': 'iscsi:fake_host::3260:0:fake_iqn',
                'iscsi_initiator_iqn': 'fake_iqn_initiator',
                'iscsi_volumes': [{'url': 'iscsi:fake_host::3260:1:fake_iqn',
                                   'username': 'fake_username_1',
                                   'password': 'fake_password_1'
                                   }],
                'username': 'fake_username',
                'password': 'fake_password'
            })
            expected_options.pop('deployment_aki_path')
            expected_options.pop('deployment_ari_path')
            expected_options.pop('initrd_filename')

        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            options = pxe_utils.build_pxe_config_options(task,
                                                         image_info,
                                                         ipxe_enabled=True)
        self.assertEqual(expected_options, options)

    def test_build_pxe_config_options_ipxe(self):
        self._test_build_pxe_config_options_ipxe(whle_dsk_img=True)

    def test_build_pxe_config_options_ipxe_ipa_debug(self):
        self._test_build_pxe_config_options_ipxe(debug=True)

    def test_build_pxe_config_options_ipxe_local_boot(self):
        del self.node.driver_internal_info['is_whole_disk_image']
        i_info = self.node.instance_info
        i_info.update({'capabilities': {'boot_option': 'local'}})
        self.node.instance_info = i_info
        self.node.save()
        self._test_build_pxe_config_options_ipxe(whle_dsk_img=False)

    def test_build_pxe_config_options_ipxe_swift_wdi(self):
        self._test_build_pxe_config_options_ipxe(whle_dsk_img=True,
                                                 ipxe_use_swift=True)

    def test_build_pxe_config_options_ipxe_swift_partition(self):
        self._test_build_pxe_config_options_ipxe(whle_dsk_img=False,
                                                 ipxe_use_swift=True)

    def test_build_pxe_config_options_ipxe_and_ipxe_timeout(self):
        self._test_build_pxe_config_options_ipxe(whle_dsk_img=True,
                                                 ipxe_timeout=120)

    def test_build_pxe_config_options_ipxe_and_iscsi_boot(self):
        vol_id = uuidutils.generate_uuid()
        vol_id2 = uuidutils.generate_uuid()
        object_utils.create_test_volume_connector(
            self.context,
            uuid=uuidutils.generate_uuid(),
            type='iqn',
            node_id=self.node.id,
            connector_id='fake_iqn_initiator')
        object_utils.create_test_volume_target(
            self.context, node_id=self.node.id, volume_type='iscsi',
            boot_index=0, volume_id='1234', uuid=vol_id,
            properties={'target_lun': 0,
                        'target_portal': 'fake_host:3260',
                        'target_iqn': 'fake_iqn',
                        'auth_username': 'fake_username',
                        'auth_password': 'fake_password'})
        object_utils.create_test_volume_target(
            self.context, node_id=self.node.id, volume_type='iscsi',
            boot_index=1, volume_id='1235', uuid=vol_id2,
            properties={'target_lun': 1,
                        'target_portal': 'fake_host:3260',
                        'target_iqn': 'fake_iqn',
                        'auth_username': 'fake_username_1',
                        'auth_password': 'fake_password_1'})
        self.node.driver_internal_info.update({'boot_from_volume': vol_id})
        self._test_build_pxe_config_options_ipxe(boot_from_volume=True)

    def test_build_pxe_config_options_ipxe_and_iscsi_boot_from_lists(self):
        vol_id = uuidutils.generate_uuid()
        vol_id2 = uuidutils.generate_uuid()
        object_utils.create_test_volume_connector(
            self.context,
            uuid=uuidutils.generate_uuid(),
            type='iqn',
            node_id=self.node.id,
            connector_id='fake_iqn_initiator')
        object_utils.create_test_volume_target(
            self.context, node_id=self.node.id, volume_type='iscsi',
            boot_index=0, volume_id='1234', uuid=vol_id,
            properties={'target_luns': [0, 2],
                        'target_portals': ['fake_host:3260',
                                           'faker_host:3261'],
                        'target_iqns': ['fake_iqn', 'faker_iqn'],
                        'auth_username': 'fake_username',
                        'auth_password': 'fake_password'})
        object_utils.create_test_volume_target(
            self.context, node_id=self.node.id, volume_type='iscsi',
            boot_index=1, volume_id='1235', uuid=vol_id2,
            properties={'target_lun': [1, 3],
                        'target_portal': ['fake_host:3260', 'faker_host:3261'],
                        'target_iqn': ['fake_iqn', 'faker_iqn'],
                        'auth_username': 'fake_username_1',
                        'auth_password': 'fake_password_1'})
        self.node.driver_internal_info.update({'boot_from_volume': vol_id})
        self._test_build_pxe_config_options_ipxe(boot_from_volume=True)

    def test_get_volume_pxe_options(self):
        vol_id = uuidutils.generate_uuid()
        vol_id2 = uuidutils.generate_uuid()
        object_utils.create_test_volume_connector(
            self.context,
            uuid=uuidutils.generate_uuid(),
            type='iqn',
            node_id=self.node.id,
            connector_id='fake_iqn_initiator')
        object_utils.create_test_volume_target(
            self.context, node_id=self.node.id, volume_type='iscsi',
            boot_index=0, volume_id='1234', uuid=vol_id,
            properties={'target_lun': [0, 1, 3],
                        'target_portal': 'fake_host:3260',
                        'target_iqns': 'fake_iqn',
                        'auth_username': 'fake_username',
                        'auth_password': 'fake_password'})
        object_utils.create_test_volume_target(
            self.context, node_id=self.node.id, volume_type='iscsi',
            boot_index=1, volume_id='1235', uuid=vol_id2,
            properties={'target_lun': 1,
                        'target_portal': 'fake_host:3260',
                        'target_iqn': 'fake_iqn',
                        'auth_username': 'fake_username_1',
                        'auth_password': 'fake_password_1'})
        self.node.driver_internal_info.update({'boot_from_volume': vol_id})
        driver_internal_info = self.node.driver_internal_info
        driver_internal_info['boot_from_volume'] = vol_id
        self.node.driver_internal_info = driver_internal_info
        self.node.save()

        expected = {'boot_from_volume': True,
                    'username': 'fake_username', 'password': 'fake_password',
                    'iscsi_boot_url': 'iscsi:fake_host::3260:0:fake_iqn',
                    'iscsi_initiator_iqn': 'fake_iqn_initiator',
                    'iscsi_volumes': [{
                        'url': 'iscsi:fake_host::3260:1:fake_iqn',
                        'username': 'fake_username_1',
                        'password': 'fake_password_1'
                    }]
                    }
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            options = pxe_utils.get_volume_pxe_options(task)
        self.assertEqual(expected, options)

    def test_get_volume_pxe_options_unsupported_volume_type(self):
        vol_id = uuidutils.generate_uuid()
        object_utils.create_test_volume_target(
            self.context, node_id=self.node.id, volume_type='fake_type',
            boot_index=0, volume_id='1234', uuid=vol_id,
            properties={'foo': 'bar'})

        driver_internal_info = self.node.driver_internal_info
        driver_internal_info['boot_from_volume'] = vol_id
        self.node.driver_internal_info = driver_internal_info
        self.node.save()
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            options = pxe_utils.get_volume_pxe_options(task)
        self.assertEqual({}, options)

    def test_get_volume_pxe_options_unsupported_additional_volume_type(self):
        vol_id = uuidutils.generate_uuid()
        vol_id2 = uuidutils.generate_uuid()
        object_utils.create_test_volume_target(
            self.context, node_id=self.node.id, volume_type='iscsi',
            boot_index=0, volume_id='1234', uuid=vol_id,
            properties={'target_lun': 0,
                        'target_portal': 'fake_host:3260',
                        'target_iqn': 'fake_iqn',
                        'auth_username': 'fake_username',
                        'auth_password': 'fake_password'})
        object_utils.create_test_volume_target(
            self.context, node_id=self.node.id, volume_type='fake_type',
            boot_index=1, volume_id='1234', uuid=vol_id2,
            properties={'foo': 'bar'})

        driver_internal_info = self.node.driver_internal_info
        driver_internal_info['boot_from_volume'] = vol_id
        self.node.driver_internal_info = driver_internal_info
        self.node.save()
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            options = pxe_utils.get_volume_pxe_options(task)
        self.assertEqual([], options['iscsi_volumes'])

    def test_build_pxe_config_options_ipxe_rescue(self):
        self._test_build_pxe_config_options_ipxe(mode='rescue')

    def test_build_pxe_config_options_ipxe_rescue_swift(self):
        self._test_build_pxe_config_options_ipxe(mode='rescue',
                                                 ipxe_use_swift=True)

    def test_build_pxe_config_options_ipxe_rescue_timeout(self):
        self._test_build_pxe_config_options_ipxe(mode='rescue',
                                                 ipxe_timeout=120)

    @mock.patch.object(deploy_utils, 'fetch_images', autospec=True)
    def test__cache_tftp_images_master_path(self, mock_fetch_image):
        temp_dir = tempfile.mkdtemp()
        self.config(tftp_root=temp_dir, group='pxe')
        self.config(tftp_master_path=os.path.join(temp_dir,
                                                  'tftp_master_path'),
                    group='pxe')
        image_path = os.path.join(temp_dir, self.node.uuid,
                                  'deploy_kernel')
        image_info = {'deploy_kernel': ('deploy_kernel', image_path)}
        fileutils.ensure_tree(CONF.pxe.tftp_master_path)
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            pxe_utils.cache_ramdisk_kernel(task, image_info)

        mock_fetch_image.assert_called_once_with(self.context,
                                                 mock.ANY,
                                                 [('deploy_kernel',
                                                   image_path)],
                                                 True)

    @mock.patch.object(pxe_utils, 'TFTPImageCache', lambda: None)
    @mock.patch.object(fileutils, 'ensure_tree', autospec=True)
    @mock.patch.object(deploy_utils, 'fetch_images', autospec=True)
    def test_cache_ramdisk_kernel(self, mock_fetch_image, mock_ensure_tree):
        self.config(ipxe_enabled=False, group='pxe')
        fake_pxe_info = {'foo': 'bar'}
        expected_path = os.path.join(CONF.pxe.tftp_root, self.node.uuid)
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            pxe_utils.cache_ramdisk_kernel(task, fake_pxe_info)
        mock_ensure_tree.assert_called_with(expected_path)
        mock_fetch_image.assert_called_once_with(
            self.context, mock.ANY, list(fake_pxe_info.values()), True)

    @mock.patch.object(pxe_utils, 'TFTPImageCache', lambda: None)
    @mock.patch.object(fileutils, 'ensure_tree', autospec=True)
    @mock.patch.object(deploy_utils, 'fetch_images', autospec=True)
    def test_cache_ramdisk_kernel_ipxe(self, mock_fetch_image,
                                       mock_ensure_tree):
        self.config(ipxe_enabled=True, group='pxe')
        fake_pxe_info = {'foo': 'bar'}
        expected_path = os.path.join(CONF.deploy.http_root,
                                     self.node.uuid)
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
                pxe_utils.cache_ramdisk_kernel(task, fake_pxe_info)
        mock_ensure_tree.assert_called_with(expected_path)
        mock_fetch_image.assert_called_once_with(self.context, mock.ANY,
                                                 list(fake_pxe_info.values()),
                                                 True)

    @mock.patch.object(pxe_utils.LOG, 'error', autospec=True)
    def test_validate_boot_parameters_for_trusted_boot_one(self, mock_log):
        properties = {'capabilities': 'boot_mode:uefi'}
        instance_info = {"boot_option": "netboot"}
        self.node.properties = properties
        self.node.instance_info['capabilities'] = instance_info
        self.node.driver_internal_info['is_whole_disk_image'] = False
        self.assertRaises(exception.InvalidParameterValue,
                          pxe.validate_boot_parameters_for_trusted_boot,
                          self.node)
        self.assertTrue(mock_log.called)

    @mock.patch.object(pxe_utils.LOG, 'error', autospec=True)
    def test_validate_boot_parameters_for_trusted_boot_two(self, mock_log):
        properties = {'capabilities': 'boot_mode:bios'}
        instance_info = {"boot_option": "local"}
        self.node.properties = properties
        self.node.instance_info['capabilities'] = instance_info
        self.node.driver_internal_info['is_whole_disk_image'] = False
        self.assertRaises(exception.InvalidParameterValue,
                          pxe.validate_boot_parameters_for_trusted_boot,
                          self.node)
        self.assertTrue(mock_log.called)

    @mock.patch.object(pxe_utils.LOG, 'error', autospec=True)
    def test_validate_boot_parameters_for_trusted_boot_three(self, mock_log):
        properties = {'capabilities': 'boot_mode:bios'}
        instance_info = {"boot_option": "netboot"}
        self.node.properties = properties
        self.node.instance_info['capabilities'] = instance_info
        self.node.driver_internal_info['is_whole_disk_image'] = True
        self.assertRaises(exception.InvalidParameterValue,
                          pxe.validate_boot_parameters_for_trusted_boot,
                          self.node)
        self.assertTrue(mock_log.called)

    @mock.patch.object(pxe_utils.LOG, 'error', autospec=True)
    def test_validate_boot_parameters_for_trusted_boot_pass(self, mock_log):
        properties = {'capabilities': 'boot_mode:bios'}
        instance_info = {"boot_option": "netboot"}
        self.node.properties = properties
        self.node.instance_info['capabilities'] = instance_info
        self.node.driver_internal_info['is_whole_disk_image'] = False
        pxe.validate_boot_parameters_for_trusted_boot(self.node)
        self.assertFalse(mock_log.called)


@mock.patch.object(ironic_utils, 'unlink_without_raise', autospec=True)
@mock.patch.object(pxe_utils, 'clean_up_pxe_config', autospec=True)
@mock.patch.object(pxe_utils, 'TFTPImageCache', autospec=True)
class CleanUpPxeEnvTestCase(db_base.DbTestCase):
    def setUp(self):
        super(CleanUpPxeEnvTestCase, self).setUp()
        instance_info = INST_INFO_DICT
        instance_info['deploy_key'] = 'fake-56789'
        self.node = object_utils.create_test_node(
            self.context, boot_interface='pxe',
            instance_info=instance_info,
            driver_info=DRV_INFO_DICT,
            driver_internal_info=DRV_INTERNAL_INFO_DICT,
        )

    def test__clean_up_pxe_env(self, mock_cache, mock_pxe_clean,
                               mock_unlink):
        image_info = {'label': ['', 'deploy_kernel']}
        with task_manager.acquire(self.context, self.node.uuid,
                                  shared=True) as task:
            pxe_utils.clean_up_pxe_env(task, image_info)
            mock_pxe_clean.assert_called_once_with(task, ipxe_enabled=False)
            mock_unlink.assert_any_call('deploy_kernel')
        mock_cache.return_value.clean_up.assert_called_once_with()
