299 lines
12 KiB
Python
299 lines
12 KiB
Python
# Copyright 2018 Red Hat, Inc.
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# All Rights Reserved.
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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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from oslo_log import log as logging
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from ironic.common import boot_modes
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from ironic.common import exception
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from ironic.common.i18n import _
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from ironic.common import utils as common_utils
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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 utils as driver_utils
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LOG = logging.getLogger(__name__)
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warn_about_default_boot_mode = False
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def _set_boot_mode_on_bm(task, ironic_boot_mode, fail_if_unsupported=False):
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try:
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manager_utils.node_set_boot_mode(task, ironic_boot_mode)
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except exception.UnsupportedDriverExtension as ex:
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if fail_if_unsupported:
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msg = (_("Baremetal node %(uuid)s boot mode is not set "
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"to boot mode %(boot_mode)s: %(error)s") %
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{'uuid': task.node.uuid,
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'boot_mode': ironic_boot_mode,
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'error': ex})
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LOG.error(msg)
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raise exception.UnsupportedDriverExtension(msg)
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msg_tmpl = _("Baremetal node %(uuid)s boot mode is not set "
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"to boot mode %(boot_mode)s. Assuming "
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"baremetal node is already in %(boot_mode)s or "
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"driver set boot mode via some other "
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"mechanism: %(error)s")
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LOG.debug(msg_tmpl, {'uuid': task.node.uuid,
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'boot_mode': ironic_boot_mode,
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'error': ex})
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except exception.InvalidParameterValue as ex:
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msg = (_("Node %(uuid)s boot mode is not set. "
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"Attempt to set %(ironic_boot_mode)s boot mode "
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"on the baremetal node failed with error %(error)s") %
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{'uuid': task.node.uuid,
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'ironic_boot_mode': ironic_boot_mode,
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'error': ex})
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LOG.error(msg)
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raise exception.InvalidParameterValue(msg)
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else:
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LOG.info("Baremetal node boot mode is set to boot "
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"mode %(boot_mode)s",
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{'uuid': task.node.uuid, 'boot_mode': ironic_boot_mode})
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def sync_boot_mode(task):
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"""Set node's boot mode from bare metal configuration
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Attempt to read currently set boot mode off the bare metal machine.
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Also read node's boot mode configuration:
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* If BM driver does not implement getting boot mode, assume
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BM boot mode is not set and apply the logic that follows
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* If Ironic node boot mode is not set and BM node boot mode is
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not set - set Ironic boot mode to `[deploy]/default_boot_mode`
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* If Ironic node boot mode is not set and BM node boot mode
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is set - set BM node boot mode on the Ironic node
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* If Ironic node boot mode is set and BM node boot mode is
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not set - set Ironic boot mode to BM boot mode
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* If both Ironic and BM node boot modes are set but they
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differ - try to set Ironic boot mode to BM boot mode and fail hard
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if underlying hardware type does not support setting boot mode
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In the end, the new boot mode may be set in
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'driver_internal_info/deploy_boot_mode'.
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:param task: a task object
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"""
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node = task.node
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try:
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bm_boot_mode = manager_utils.node_get_boot_mode(task)
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except exception.UnsupportedDriverExtension as ex:
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bm_boot_mode = None
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LOG.debug("Cannot determine node %(uuid)s boot mode: %(error)s",
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{'uuid': node.uuid, 'error': ex})
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ironic_boot_mode = get_boot_mode_for_deploy(node)
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# NOTE(etingof): the outcome of the branching that follows is that
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# the new boot mode may be set in 'driver_internal_info/deploy_boot_mode'
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if not ironic_boot_mode and not bm_boot_mode:
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driver_internal_info = node.driver_internal_info
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default_boot_mode = CONF.deploy.default_boot_mode
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driver_internal_info['deploy_boot_mode'] = default_boot_mode
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node.driver_internal_info = driver_internal_info
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node.save()
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LOG.debug("Ironic node %(uuid)s boot mode will be set to default "
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"boot mode %(boot_mode)s",
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{'uuid': node.uuid, 'boot_mode': default_boot_mode})
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_set_boot_mode_on_bm(task, default_boot_mode)
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elif not ironic_boot_mode and bm_boot_mode:
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driver_internal_info = node.driver_internal_info
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driver_internal_info['deploy_boot_mode'] = bm_boot_mode
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node.driver_internal_info = driver_internal_info
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node.save()
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LOG.debug("Ironic node %(uuid)s boot mode is set to boot mode "
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"%(boot_mode)s reported by the driver",
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{'uuid': node.uuid, 'boot_mode': bm_boot_mode})
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elif ironic_boot_mode and not bm_boot_mode:
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# NOTE(etingof): if only ironic boot mode is known, try to synchronize
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# (e.g. ironic -> bm) and do not fail if setting boot mode is not
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# supported by the underlying hardware type
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_set_boot_mode_on_bm(task, ironic_boot_mode)
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elif ironic_boot_mode != bm_boot_mode:
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msg = (_("Boot mode %(node_boot_mode)s currently configured "
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"on node %(uuid)s does not match the boot mode "
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"%(ironic_boot_mode)s requested for provisioning."
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"Attempting to set node boot mode to %(ironic_boot_mode)s.") %
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{'uuid': node.uuid, 'node_boot_mode': bm_boot_mode,
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'ironic_boot_mode': ironic_boot_mode})
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LOG.info(msg)
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# NOTE(etingof): if boot modes are known and different, try
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# to synchronize them (e.g. ironic -> bm) and fail hard if
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# underlying hardware type does not support setting boot mode as
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# it seems to be a hopeless misconfiguration
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_set_boot_mode_on_bm(task, ironic_boot_mode, fail_if_unsupported=True)
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def is_secure_boot_requested(node):
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"""Returns True if secure_boot is requested for deploy.
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This method checks node property for secure_boot and returns True
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if it is requested.
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:param node: a single Node.
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:raises: InvalidParameterValue if the capabilities string is not a
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dictionary or is malformed.
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:returns: True if secure_boot is requested.
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"""
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capabilities = common_utils.parse_instance_info_capabilities(node)
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sec_boot = capabilities.get('secure_boot', 'false').lower()
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return sec_boot == 'true'
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def is_trusted_boot_requested(node):
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"""Returns True if trusted_boot is requested for deploy.
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This method checks instance property for trusted_boot and returns True
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if it is requested.
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:param node: a single Node.
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:raises: InvalidParameterValue if the capabilities string is not a
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dictionary or is malformed.
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:returns: True if trusted_boot is requested.
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"""
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capabilities = common_utils.parse_instance_info_capabilities(node)
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trusted_boot = capabilities.get('trusted_boot', 'false').lower()
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return trusted_boot == 'true'
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def get_boot_mode_for_deploy(node):
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"""Returns the boot mode that would be used for deploy.
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This method returns boot mode to be used for deploy.
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It returns 'uefi' if 'secure_boot' is set to 'true' or returns 'bios' if
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'trusted_boot' is set to 'true' in 'instance_info/capabilities' of node.
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Otherwise it returns value of 'boot_mode' in 'properties/capabilities'
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of node if set. If that is not set, it returns boot mode in
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'internal_driver_info/deploy_boot_mode' for the node.
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If that is not set, it returns boot mode in
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'instance_info/deploy_boot_mode' for the node.
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It would return None if boot mode is present neither in 'capabilities' of
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node 'properties' nor in node's 'internal_driver_info' nor in node's
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'instance_info' (which could also be None).
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:param node: an ironic node object.
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:returns: 'bios', 'uefi' or None
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:raises: InvalidParameterValue, if the node boot mode disagrees with
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the boot mode set to node properties/capabilities
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"""
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if is_secure_boot_requested(node):
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LOG.debug('Deploy boot mode is uefi for %s.', node.uuid)
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return 'uefi'
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if is_trusted_boot_requested(node):
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# TODO(lintan) Trusted boot also supports uefi, but at the moment,
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# it should only boot with bios.
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LOG.debug('Deploy boot mode is bios for %s.', node.uuid)
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return 'bios'
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# NOTE(etingof):
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# The search for a boot mode should be in the priority order:
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#
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# 1) instance_info
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# 2) properties.capabilities
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# 3) driver_internal_info
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#
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# Because:
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#
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# (1) can be deleted before teardown
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# (3) will never be touched if node properties/capabilities
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# are still present.
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# (2) becomes operational default as the last resort
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instance_info = node.instance_info
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cap_boot_mode = driver_utils.get_node_capability(node, 'boot_mode')
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boot_mode = instance_info.get('deploy_boot_mode')
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if boot_mode is None:
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boot_mode = cap_boot_mode
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if cap_boot_mode is None:
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driver_internal_info = node.driver_internal_info
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boot_mode = driver_internal_info.get('deploy_boot_mode')
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if not boot_mode:
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return
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boot_mode = boot_mode.lower()
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# NOTE(etingof):
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# Make sure that the ultimate boot_mode agrees with the one set to
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# node properties/capabilities. This locks down node to use only
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# boot mode specified in properties/capabilities.
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# TODO(etingof): this logic will have to go away when we switch to traits
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if cap_boot_mode:
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cap_boot_mode = cap_boot_mode.lower()
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if cap_boot_mode != boot_mode:
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msg = (_("Node %(uuid)s boot mode %(boot_mode)s violates "
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"node properties/capabilities %(caps)s") %
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{'uuid': node.uuid,
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'boot_mode': boot_mode,
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'caps': cap_boot_mode})
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LOG.error(msg)
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raise exception.InvalidParameterValue(msg)
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LOG.debug('Deploy boot mode is %(boot_mode)s for %(node)s.',
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{'boot_mode': boot_mode, 'node': node.uuid})
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return boot_mode
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def get_boot_mode(node):
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"""Returns the boot mode.
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:param node: an ironic node object.
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:returns: 'bios' or 'uefi'
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:raises: InvalidParameterValue, if the node boot mode disagrees with
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the boot mode set to node properties/capabilities
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"""
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boot_mode = get_boot_mode_for_deploy(node)
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if boot_mode:
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return boot_mode
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# TODO(hshiina): The default boot mode will be changed to UEFI.
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global warn_about_default_boot_mode
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if (not warn_about_default_boot_mode
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and CONF.deploy.default_boot_mode == boot_modes.LEGACY_BIOS):
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warn_about_default_boot_mode = True
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LOG.warning('Boot mode is not configured for node %(node_uuid)s '
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'explicitly. The default boot mode is "%(bios)s", but, '
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'the default will be changed to "%(uefi)s" in the future. '
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'It is recommended to set the boot option into '
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'properties/capabilities/boot_mode for all nodes.',
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{'node_uuid': node.uuid,
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'bios': boot_modes.LEGACY_BIOS,
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'uefi': boot_modes.UEFI})
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return CONF.deploy.default_boot_mode
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