657 lines
25 KiB
Python
657 lines
25 KiB
Python
# Copyright 2015 FUJITSU LIMITED
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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iRMC Boot Driver
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"""
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import os
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import shutil
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import tempfile
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from ironic_lib import metrics_utils
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from ironic_lib import utils as ironic_utils
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from oslo_log import log as logging
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from oslo_utils import importutils
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from ironic.common import boot_devices
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from ironic.common import exception
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from ironic.common.glance_service import service_utils
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from ironic.common.i18n import _, _LE, _LI
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from ironic.common import images
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from ironic.common import states
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from ironic.conductor import utils as manager_utils
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from ironic.conf import CONF
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from ironic.drivers import base
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from ironic.drivers.modules import deploy_utils
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from ironic.drivers.modules.irmc import common as irmc_common
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scci = importutils.try_import('scciclient.irmc.scci')
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try:
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if CONF.debug:
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scci.DEBUG = True
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except Exception:
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pass
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LOG = logging.getLogger(__name__)
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METRICS = metrics_utils.get_metrics_logger(__name__)
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REQUIRED_PROPERTIES = {
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'irmc_deploy_iso': _("Deployment ISO image file name. "
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"Required."),
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}
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COMMON_PROPERTIES = REQUIRED_PROPERTIES
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def _parse_config_option():
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"""Parse config file options.
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This method checks config file options validity.
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:raises: InvalidParameterValue, if config option has invalid value.
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"""
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error_msgs = []
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if not os.path.isdir(CONF.irmc.remote_image_share_root):
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error_msgs.append(
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_("Value '%s' for remote_image_share_root isn't a directory "
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"or doesn't exist.") %
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CONF.irmc.remote_image_share_root)
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if error_msgs:
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msg = (_("The following errors were encountered while parsing "
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"config file:%s") % error_msgs)
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raise exception.InvalidParameterValue(msg)
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def _parse_driver_info(node):
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"""Gets the driver specific Node deployment info.
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This method validates whether the 'driver_info' property of the
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supplied node contains the required or optional information properly
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for this driver to deploy images to the node.
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:param node: a target node of the deployment
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:returns: the driver_info values of the node.
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:raises: MissingParameterValue, if any of the required parameters are
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missing.
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:raises: InvalidParameterValue, if any of the parameters have invalid
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value.
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"""
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d_info = node.driver_info
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deploy_info = {}
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deploy_info['irmc_deploy_iso'] = d_info.get('irmc_deploy_iso')
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error_msg = _("Error validating iRMC virtual media deploy. Some parameters"
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" were missing in node's driver_info")
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deploy_utils.check_for_missing_params(deploy_info, error_msg)
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if service_utils.is_image_href_ordinary_file_name(
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deploy_info['irmc_deploy_iso']):
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deploy_iso = os.path.join(CONF.irmc.remote_image_share_root,
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deploy_info['irmc_deploy_iso'])
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if not os.path.isfile(deploy_iso):
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msg = (_("Deploy ISO file, %(deploy_iso)s, "
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"not found for node: %(node)s.") %
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{'deploy_iso': deploy_iso, 'node': node.uuid})
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raise exception.InvalidParameterValue(msg)
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return deploy_info
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def _parse_instance_info(node):
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"""Gets the instance specific Node deployment info.
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This method validates whether the 'instance_info' property of the
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supplied node contains the required or optional information properly
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for this driver to deploy images to the node.
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:param node: a target node of the deployment
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:returns: the instance_info values of the node.
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:raises: InvalidParameterValue, if any of the parameters have invalid
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value.
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"""
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i_info = node.instance_info
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deploy_info = {}
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if i_info.get('irmc_boot_iso'):
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deploy_info['irmc_boot_iso'] = i_info['irmc_boot_iso']
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if service_utils.is_image_href_ordinary_file_name(
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deploy_info['irmc_boot_iso']):
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boot_iso = os.path.join(CONF.irmc.remote_image_share_root,
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deploy_info['irmc_boot_iso'])
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if not os.path.isfile(boot_iso):
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msg = (_("Boot ISO file, %(boot_iso)s, "
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"not found for node: %(node)s.") %
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{'boot_iso': boot_iso, 'node': node.uuid})
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raise exception.InvalidParameterValue(msg)
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return deploy_info
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def _parse_deploy_info(node):
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"""Gets the instance and driver specific Node deployment info.
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This method validates whether the 'instance_info' and 'driver_info'
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property of the supplied node contains the required information for
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this driver to deploy images to the node.
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:param node: a target node of the deployment
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:returns: a dict with the instance_info and driver_info values.
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:raises: MissingParameterValue, if any of the required parameters are
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missing.
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:raises: InvalidParameterValue, if any of the parameters have invalid
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value.
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"""
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deploy_info = {}
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deploy_info.update(deploy_utils.get_image_instance_info(node))
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deploy_info.update(_parse_driver_info(node))
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deploy_info.update(_parse_instance_info(node))
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return deploy_info
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def _setup_deploy_iso(task, ramdisk_options):
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"""Attaches virtual media and sets it as boot device.
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This method attaches the given deploy ISO as virtual media, prepares the
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arguments for ramdisk in virtual media floppy.
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:param task: a TaskManager instance containing the node to act on.
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:param ramdisk_options: the options to be passed to the ramdisk in virtual
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media floppy.
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:raises: ImageRefValidationFailed if no image service can handle specified
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href.
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:raises: ImageCreationFailed, if it failed while creating the floppy image.
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:raises: IRMCOperationError, if some operation on iRMC failed.
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:raises: InvalidParameterValue if the validation of the
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PowerInterface or ManagementInterface fails.
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"""
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d_info = task.node.driver_info
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deploy_iso_href = d_info['irmc_deploy_iso']
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if service_utils.is_image_href_ordinary_file_name(deploy_iso_href):
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deploy_iso_file = deploy_iso_href
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else:
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deploy_iso_file = _get_deploy_iso_name(task.node)
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deploy_iso_fullpathname = os.path.join(
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CONF.irmc.remote_image_share_root, deploy_iso_file)
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images.fetch(task.context, deploy_iso_href, deploy_iso_fullpathname)
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_setup_vmedia_for_boot(task, deploy_iso_file, ramdisk_options)
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manager_utils.node_set_boot_device(task, boot_devices.CDROM)
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def _get_deploy_iso_name(node):
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"""Returns the deploy ISO file name for a given node.
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:param node: the node for which ISO file name is to be provided.
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"""
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return "deploy-%s.iso" % node.uuid
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def _get_boot_iso_name(node):
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"""Returns the boot ISO file name for a given node.
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:param node: the node for which ISO file name is to be provided.
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"""
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return "boot-%s.iso" % node.uuid
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def _prepare_boot_iso(task, root_uuid):
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"""Prepare a boot ISO to boot the node.
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:param task: a TaskManager instance containing the node to act on.
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:param root_uuid: the uuid of the root partition.
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:raises: MissingParameterValue, if any of the required parameters are
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missing.
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:raises: InvalidParameterValue, if any of the parameters have invalid
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value.
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:raises: ImageCreationFailed, if creating boot ISO
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for BIOS boot_mode failed.
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"""
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deploy_info = _parse_deploy_info(task.node)
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driver_internal_info = task.node.driver_internal_info
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# fetch boot iso
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if deploy_info.get('irmc_boot_iso'):
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boot_iso_href = deploy_info['irmc_boot_iso']
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if service_utils.is_image_href_ordinary_file_name(boot_iso_href):
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driver_internal_info['irmc_boot_iso'] = boot_iso_href
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else:
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boot_iso_filename = _get_boot_iso_name(task.node)
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boot_iso_fullpathname = os.path.join(
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CONF.irmc.remote_image_share_root, boot_iso_filename)
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images.fetch(task.context, boot_iso_href, boot_iso_fullpathname)
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driver_internal_info['irmc_boot_iso'] = boot_iso_filename
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# create boot iso
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else:
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image_href = deploy_info['image_source']
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image_props = ['kernel_id', 'ramdisk_id']
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image_properties = images.get_image_properties(
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task.context, image_href, image_props)
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kernel_href = (task.node.instance_info.get('kernel') or
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image_properties['kernel_id'])
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ramdisk_href = (task.node.instance_info.get('ramdisk') or
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image_properties['ramdisk_id'])
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deploy_iso_filename = _get_deploy_iso_name(task.node)
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deploy_iso = ('file://' + os.path.join(
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CONF.irmc.remote_image_share_root, deploy_iso_filename))
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boot_mode = deploy_utils.get_boot_mode_for_deploy(task.node)
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kernel_params = CONF.pxe.pxe_append_params
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boot_iso_filename = _get_boot_iso_name(task.node)
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boot_iso_fullpathname = os.path.join(
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CONF.irmc.remote_image_share_root, boot_iso_filename)
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images.create_boot_iso(task.context, boot_iso_fullpathname,
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kernel_href, ramdisk_href,
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deploy_iso, root_uuid,
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kernel_params, boot_mode)
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driver_internal_info['irmc_boot_iso'] = boot_iso_filename
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# save driver_internal_info['irmc_boot_iso']
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task.node.driver_internal_info = driver_internal_info
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task.node.save()
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def _get_floppy_image_name(node):
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"""Returns the floppy image name for a given node.
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:param node: the node for which image name is to be provided.
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"""
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return "image-%s.img" % node.uuid
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def _prepare_floppy_image(task, params):
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"""Prepares the floppy image for passing the parameters.
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This method prepares a temporary vfat filesystem image, which
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contains the parameters to be passed to the ramdisk.
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Then it uploads the file NFS or CIFS server.
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:param task: a TaskManager instance containing the node to act on.
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:param params: a dictionary containing 'parameter name'->'value' mapping
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to be passed to the deploy ramdisk via the floppy image.
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:returns: floppy image filename
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:raises: ImageCreationFailed, if it failed while creating the floppy image.
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:raises: IRMCOperationError, if copying floppy image file failed.
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"""
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floppy_filename = _get_floppy_image_name(task.node)
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floppy_fullpathname = os.path.join(
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CONF.irmc.remote_image_share_root, floppy_filename)
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with tempfile.NamedTemporaryFile() as vfat_image_tmpfile_obj:
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images.create_vfat_image(vfat_image_tmpfile_obj.name,
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parameters=params)
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try:
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shutil.copyfile(vfat_image_tmpfile_obj.name,
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floppy_fullpathname)
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except IOError as e:
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operation = _("Copying floppy image file")
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raise exception.IRMCOperationError(
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operation=operation, error=e)
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return floppy_filename
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def attach_boot_iso_if_needed(task):
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"""Attaches boot ISO for a deployed node if it exists.
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This method checks the instance info of the bare metal node for a
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boot ISO. If the instance info has a value of key 'irmc_boot_iso',
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it indicates that 'boot_option' is 'netboot'. Threfore it attaches
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the boot ISO on the bare metal node and then sets the node to boot from
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virtual media cdrom.
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:param task: a TaskManager instance containing the node to act on.
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:raises: IRMCOperationError if attaching virtual media failed.
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:raises: InvalidParameterValue if the validation of the
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ManagementInterface fails.
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"""
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d_info = task.node.driver_internal_info
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node_state = task.node.provision_state
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if 'irmc_boot_iso' in d_info and node_state == states.ACTIVE:
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_setup_vmedia_for_boot(task, d_info['irmc_boot_iso'])
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manager_utils.node_set_boot_device(task, boot_devices.CDROM)
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def _setup_vmedia_for_boot(task, bootable_iso_filename, parameters=None):
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"""Sets up the node to boot from the boot ISO image.
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This method attaches a boot_iso on the node and passes
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the required parameters to it via a virtual floppy image.
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:param task: a TaskManager instance containing the node to act on.
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:param bootable_iso_filename: a bootable ISO image to attach to.
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The iso file should be present in NFS/CIFS server.
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:param parameters: the parameters to pass in a virtual floppy image
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in a dictionary. This is optional.
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:raises: ImageCreationFailed, if it failed while creating a floppy image.
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:raises: IRMCOperationError, if attaching a virtual media failed.
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"""
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LOG.info(_LI("Setting up node %s to boot from virtual media"),
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task.node.uuid)
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_detach_virtual_cd(task.node)
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_detach_virtual_fd(task.node)
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if parameters:
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floppy_image_filename = _prepare_floppy_image(task, parameters)
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_attach_virtual_fd(task.node, floppy_image_filename)
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_attach_virtual_cd(task.node, bootable_iso_filename)
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def _cleanup_vmedia_boot(task):
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"""Cleans a node after a virtual media boot.
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This method cleans up a node after a virtual media boot.
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It deletes floppy and cdrom images if they exist in NFS/CIFS server.
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It also ejects both the virtual media cdrom and the virtual media floppy.
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:param task: a TaskManager instance containing the node to act on.
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:raises: IRMCOperationError if ejecting virtual media failed.
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"""
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LOG.debug("Cleaning up node %s after virtual media boot", task.node.uuid)
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node = task.node
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_detach_virtual_cd(node)
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_detach_virtual_fd(node)
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_remove_share_file(_get_floppy_image_name(node))
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_remove_share_file(_get_deploy_iso_name(node))
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def _remove_share_file(share_filename):
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"""Remove given file from the share file system.
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:param share_filename: a file name to be removed.
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"""
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share_fullpathname = os.path.join(
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CONF.irmc.remote_image_share_name, share_filename)
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ironic_utils.unlink_without_raise(share_fullpathname)
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def _attach_virtual_cd(node, bootable_iso_filename):
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"""Attaches the given url as virtual media on the node.
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:param node: an ironic node object.
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:param bootable_iso_filename: a bootable ISO image to attach to.
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The iso file should be present in NFS/CIFS server.
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:raises: IRMCOperationError if attaching virtual media failed.
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"""
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try:
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irmc_client = irmc_common.get_irmc_client(node)
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cd_set_params = scci.get_virtual_cd_set_params_cmd(
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CONF.irmc.remote_image_server,
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CONF.irmc.remote_image_user_domain,
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scci.get_share_type(CONF.irmc.remote_image_share_type),
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CONF.irmc.remote_image_share_name,
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bootable_iso_filename,
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CONF.irmc.remote_image_user_name,
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CONF.irmc.remote_image_user_password)
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irmc_client(cd_set_params, async=False)
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irmc_client(scci.MOUNT_CD, async=False)
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except scci.SCCIClientError as irmc_exception:
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LOG.exception(_LE("Error while inserting virtual cdrom "
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"into node %(uuid)s. Error: %(error)s"),
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{'uuid': node.uuid, 'error': irmc_exception})
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operation = _("Inserting virtual cdrom")
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raise exception.IRMCOperationError(operation=operation,
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error=irmc_exception)
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LOG.info(_LI("Attached virtual cdrom successfully"
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" for node %s"), node.uuid)
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def _detach_virtual_cd(node):
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"""Detaches virtual cdrom on the node.
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:param node: an ironic node object.
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:raises: IRMCOperationError if eject virtual cdrom failed.
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"""
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try:
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irmc_client = irmc_common.get_irmc_client(node)
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irmc_client(scci.UNMOUNT_CD)
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except scci.SCCIClientError as irmc_exception:
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LOG.exception(_LE("Error while ejecting virtual cdrom "
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"from node %(uuid)s. Error: %(error)s"),
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{'uuid': node.uuid, 'error': irmc_exception})
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operation = _("Ejecting virtual cdrom")
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raise exception.IRMCOperationError(operation=operation,
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error=irmc_exception)
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LOG.info(_LI("Detached virtual cdrom successfully"
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" for node %s"), node.uuid)
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def _attach_virtual_fd(node, floppy_image_filename):
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"""Attaches virtual floppy on the node.
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:param node: an ironic node object.
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:raises: IRMCOperationError if insert virtual floppy failed.
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"""
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try:
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irmc_client = irmc_common.get_irmc_client(node)
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fd_set_params = scci.get_virtual_fd_set_params_cmd(
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CONF.irmc.remote_image_server,
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CONF.irmc.remote_image_user_domain,
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scci.get_share_type(CONF.irmc.remote_image_share_type),
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CONF.irmc.remote_image_share_name,
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floppy_image_filename,
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CONF.irmc.remote_image_user_name,
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CONF.irmc.remote_image_user_password)
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irmc_client(fd_set_params, async=False)
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irmc_client(scci.MOUNT_FD, async=False)
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except scci.SCCIClientError as irmc_exception:
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LOG.exception(_LE("Error while inserting virtual floppy "
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"into node %(uuid)s. Error: %(error)s"),
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{'uuid': node.uuid, 'error': irmc_exception})
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operation = _("Inserting virtual floppy")
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raise exception.IRMCOperationError(operation=operation,
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error=irmc_exception)
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LOG.info(_LI("Attached virtual floppy successfully"
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" for node %s"), node.uuid)
|
|
|
|
|
|
def _detach_virtual_fd(node):
|
|
"""Detaches virtual media floppy on the node.
|
|
|
|
:param node: an ironic node object.
|
|
:raises: IRMCOperationError if eject virtual media floppy failed.
|
|
"""
|
|
try:
|
|
irmc_client = irmc_common.get_irmc_client(node)
|
|
|
|
irmc_client(scci.UNMOUNT_FD)
|
|
|
|
except scci.SCCIClientError as irmc_exception:
|
|
LOG.exception(_LE("Error while ejecting virtual floppy "
|
|
"from node %(uuid)s. Error: %(error)s"),
|
|
{'uuid': node.uuid, 'error': irmc_exception})
|
|
operation = _("Ejecting virtual floppy")
|
|
raise exception.IRMCOperationError(operation=operation,
|
|
error=irmc_exception)
|
|
|
|
LOG.info(_LI("Detached virtual floppy successfully"
|
|
" for node %s"), node.uuid)
|
|
|
|
|
|
def check_share_fs_mounted():
|
|
"""Check if Share File System (NFS or CIFS) is mounted.
|
|
|
|
:raises: InvalidParameterValue, if config option has invalid value.
|
|
:raises: IRMCSharedFileSystemNotMounted, if shared file system is
|
|
not mounted.
|
|
"""
|
|
_parse_config_option()
|
|
if not os.path.ismount(CONF.irmc.remote_image_share_root):
|
|
raise exception.IRMCSharedFileSystemNotMounted(
|
|
share=CONF.irmc.remote_image_share_root)
|
|
|
|
|
|
class IRMCVirtualMediaBoot(base.BootInterface):
|
|
"""iRMC Virtual Media boot-related actions."""
|
|
|
|
def __init__(self):
|
|
"""Constructor of IRMCVirtualMediaBoot.
|
|
|
|
:raises: IRMCSharedFileSystemNotMounted, if shared file system is
|
|
not mounted.
|
|
:raises: InvalidParameterValue, if config option has invalid value.
|
|
"""
|
|
check_share_fs_mounted()
|
|
super(IRMCVirtualMediaBoot, self).__init__()
|
|
|
|
def get_properties(self):
|
|
return COMMON_PROPERTIES
|
|
|
|
@METRICS.timer('IRMCVirtualMediaBoot.validate')
|
|
def validate(self, task):
|
|
"""Validate the deployment information for the task's node.
|
|
|
|
:param task: a TaskManager instance containing the node to act on.
|
|
:raises: InvalidParameterValue, if config option has invalid value.
|
|
:raises: IRMCSharedFileSystemNotMounted, if shared file system is
|
|
not mounted.
|
|
:raises: InvalidParameterValue, if some information is invalid.
|
|
:raises: MissingParameterValue if 'kernel_id' and 'ramdisk_id' are
|
|
missing in the Glance image, or if 'kernel' and 'ramdisk' are
|
|
missing in the Non Glance image.
|
|
"""
|
|
check_share_fs_mounted()
|
|
|
|
d_info = _parse_deploy_info(task.node)
|
|
if task.node.driver_internal_info.get('is_whole_disk_image'):
|
|
props = []
|
|
elif service_utils.is_glance_image(d_info['image_source']):
|
|
props = ['kernel_id', 'ramdisk_id']
|
|
else:
|
|
props = ['kernel', 'ramdisk']
|
|
deploy_utils.validate_image_properties(task.context, d_info,
|
|
props)
|
|
|
|
@METRICS.timer('IRMCVirtualMediaBoot.prepare_ramdisk')
|
|
def prepare_ramdisk(self, task, ramdisk_params):
|
|
"""Prepares the deploy ramdisk using virtual media.
|
|
|
|
Prepares the options for the deployment ramdisk, sets the node to boot
|
|
from virtual media cdrom.
|
|
|
|
:param task: a TaskManager instance containing the node to act on.
|
|
:param ramdisk_params: the options to be passed to the deploy ramdisk.
|
|
:raises: ImageRefValidationFailed if no image service can handle
|
|
specified href.
|
|
:raises: ImageCreationFailed, if it failed while creating the floppy
|
|
image.
|
|
:raises: InvalidParameterValue if the validation of the
|
|
PowerInterface or ManagementInterface fails.
|
|
:raises: IRMCOperationError, if some operation on iRMC fails.
|
|
"""
|
|
|
|
# NOTE(TheJulia): If this method is being called by something
|
|
# aside from deployment and clean, such as conductor takeover, we
|
|
# should treat this as a no-op and move on otherwise we would modify
|
|
# the state of the node due to virtual media operations.
|
|
if (task.node.provision_state != states.DEPLOYING and
|
|
task.node.provision_state != states.CLEANING):
|
|
return
|
|
|
|
deploy_nic_mac = deploy_utils.get_single_nic_with_vif_port_id(task)
|
|
ramdisk_params['BOOTIF'] = deploy_nic_mac
|
|
|
|
_setup_deploy_iso(task, ramdisk_params)
|
|
|
|
@METRICS.timer('IRMCVirtualMediaBoot.clean_up_ramdisk')
|
|
def clean_up_ramdisk(self, task):
|
|
"""Cleans up the boot of ironic ramdisk.
|
|
|
|
This method cleans up the environment that was setup for booting the
|
|
deploy ramdisk.
|
|
|
|
:param task: a task from TaskManager.
|
|
:returns: None
|
|
:raises: IRMCOperationError if iRMC operation failed.
|
|
"""
|
|
_cleanup_vmedia_boot(task)
|
|
|
|
@METRICS.timer('IRMCVirtualMediaBoot.prepare_instance')
|
|
def prepare_instance(self, task):
|
|
"""Prepares the boot of instance.
|
|
|
|
This method prepares the boot of the instance after reading
|
|
relevant information from the node's database.
|
|
|
|
:param task: a task from TaskManager.
|
|
:returns: None
|
|
"""
|
|
_cleanup_vmedia_boot(task)
|
|
|
|
node = task.node
|
|
iwdi = node.driver_internal_info.get('is_whole_disk_image')
|
|
if deploy_utils.get_boot_option(node) == "local" or iwdi:
|
|
manager_utils.node_set_boot_device(task, boot_devices.DISK,
|
|
persistent=True)
|
|
else:
|
|
driver_internal_info = node.driver_internal_info
|
|
root_uuid_or_disk_id = driver_internal_info['root_uuid_or_disk_id']
|
|
self._configure_vmedia_boot(task, root_uuid_or_disk_id)
|
|
|
|
@METRICS.timer('IRMCVirtualMediaBoot.clean_up_instance')
|
|
def clean_up_instance(self, task):
|
|
"""Cleans up the boot of instance.
|
|
|
|
This method cleans up the environment that was setup for booting
|
|
the instance.
|
|
|
|
:param task: a task from TaskManager.
|
|
:returns: None
|
|
:raises: IRMCOperationError if iRMC operation failed.
|
|
"""
|
|
_remove_share_file(_get_boot_iso_name(task.node))
|
|
driver_internal_info = task.node.driver_internal_info
|
|
driver_internal_info.pop('irmc_boot_iso', None)
|
|
driver_internal_info.pop('root_uuid_or_disk_id', None)
|
|
task.node.driver_internal_info = driver_internal_info
|
|
task.node.save()
|
|
_cleanup_vmedia_boot(task)
|
|
|
|
def _configure_vmedia_boot(self, task, root_uuid_or_disk_id):
|
|
"""Configure vmedia boot for the node."""
|
|
node = task.node
|
|
_prepare_boot_iso(task, root_uuid_or_disk_id)
|
|
_setup_vmedia_for_boot(
|
|
task, node.driver_internal_info['irmc_boot_iso'])
|
|
manager_utils.node_set_boot_device(task, boot_devices.CDROM,
|
|
persistent=True)
|