7b93bc1445
Sometimes wwn is not enough to identify a device, and a vendor extension
has to be used. The wwn_with_extension field contains both, as it has
to be tried first.
Change-Id: Idf0ed93c8247d872735a4b49f7a6390c71514430
Closes-Bug: #1720780
(cherry picked from commit c68cf6b10e
)
313 lines
12 KiB
Python
313 lines
12 KiB
Python
# Copyright 2016 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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import logging
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import ironic_inspector_client
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from mistral.workflow import utils as mistral_workflow_utils
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from oslo_utils import units
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import six
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from tripleo_common.actions import base
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from tripleo_common import exception
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from tripleo_common.utils import glance
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from tripleo_common.utils import nodes
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LOG = logging.getLogger(__name__)
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class RegisterOrUpdateNodes(base.TripleOAction):
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"""Register Nodes Action
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:param nodes_json: list of nodes & attributes in json format
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:param remove: Should nodes not in the list be removed?
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:param kernel_name: Glance ID of the kernel to use for the nodes.
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:param ramdisk_name: Glance ID of the ramdisk to use for the nodes.
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:param instance_boot_option: Whether to set instances for booting from
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local hard drive (local) or network (netboot).
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:return: list of node objects representing the new nodes.
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"""
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def __init__(self, nodes_json, remove=False, kernel_name=None,
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ramdisk_name=None, instance_boot_option='local'):
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super(RegisterOrUpdateNodes, self).__init__()
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self.nodes_json = nodes_json
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self.remove = remove
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self.instance_boot_option = instance_boot_option
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self.kernel_name = kernel_name
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self.ramdisk_name = ramdisk_name
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def run(self):
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for node in self.nodes_json:
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caps = node.get('capabilities', {})
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caps = nodes.capabilities_to_dict(caps)
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caps.setdefault('boot_option', self.instance_boot_option)
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node['capabilities'] = nodes.dict_to_capabilities(caps)
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baremetal_client = self.get_baremetal_client()
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image_client = self.get_image_client()
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try:
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return nodes.register_all_nodes(
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self.nodes_json,
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client=baremetal_client,
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remove=self.remove,
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glance_client=image_client,
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kernel_name=self.kernel_name,
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ramdisk_name=self.ramdisk_name)
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except Exception as err:
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LOG.exception("Error registering nodes with ironic.")
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return mistral_workflow_utils.Result(error=six.text_type(err))
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class ConfigureBootAction(base.TripleOAction):
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"""Configure kernel and ramdisk.
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:param node_uuid: an Ironic node UUID
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:param kernel_name: Glance name of the kernel to use for the nodes.
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:param ramdisk_name: Glance name of the ramdisk to use for the nodes.
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:param instance_boot_option: Whether to set instances for booting from
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local hard drive (local) or network (netboot).
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"""
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def __init__(self, node_uuid, kernel_name='bm-deploy-kernel',
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ramdisk_name='bm-deploy-ramdisk', instance_boot_option=None):
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super(ConfigureBootAction, self).__init__()
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self.node_uuid = node_uuid
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self.kernel_name = kernel_name
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self.ramdisk_name = ramdisk_name
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self.instance_boot_option = instance_boot_option
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def run(self):
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baremetal_client = self.get_baremetal_client()
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image_client = self.get_image_client()
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try:
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image_ids = {'kernel': None, 'ramdisk': None}
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if self.kernel_name is not None and self.ramdisk_name is not None:
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image_ids = glance.create_or_find_kernel_and_ramdisk(
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image_client, self.kernel_name, self.ramdisk_name)
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node = baremetal_client.node.get(self.node_uuid)
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capabilities = node.properties.get('capabilities', {})
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capabilities = nodes.capabilities_to_dict(capabilities)
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if self.instance_boot_option is not None:
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capabilities['boot_option'] = self.instance_boot_option
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else:
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# Add boot option capability if it didn't exist
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capabilities.setdefault(
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'boot_option', self.instance_boot_option or 'local')
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capabilities = nodes.dict_to_capabilities(capabilities)
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baremetal_client.node.update(node.uuid, [
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{
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'op': 'add',
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'path': '/properties/capabilities',
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'value': capabilities,
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},
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{
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'op': 'add',
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'path': '/driver_info/deploy_ramdisk',
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'value': image_ids['ramdisk'],
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},
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{
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'op': 'add',
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'path': '/driver_info/deploy_kernel',
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'value': image_ids['kernel'],
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},
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])
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LOG.debug("Configuring boot option for Node %s", self.node_uuid)
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except Exception as err:
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LOG.exception("Error configuring node boot options with Ironic.")
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return mistral_workflow_utils.Result(error=six.text_type(err))
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class ConfigureRootDeviceAction(base.TripleOAction):
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"""Configure the root device strategy.
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:param node_uuid: an Ironic node UUID
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:param root_device: Define the root device for nodes. Can be either a list
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of device names (without /dev) to choose from or one
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of two strategies: largest or smallest. For it to work
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this command should be run after the introspection.
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:param minimum_size: Minimum size (in GiB) of the detected root device.
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:param overwrite: Whether to overwrite existing root device hints when
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root-device is set.
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"""
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def __init__(self, node_uuid, root_device=None, minimum_size=4,
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overwrite=False):
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super(ConfigureRootDeviceAction, self).__init__()
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self.node_uuid = node_uuid
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self.root_device = root_device
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self.minimum_size = minimum_size
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self.overwrite = overwrite
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def run(self):
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if not self.root_device:
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return
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baremetal_client = self.get_baremetal_client()
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node = baremetal_client.node.get(self.node_uuid)
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self._apply_root_device_strategy(
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node, self.root_device, self.minimum_size, self.overwrite)
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def _apply_root_device_strategy(self, node, strategy, minimum_size,
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overwrite=False):
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if node.properties.get('root_device') and not overwrite:
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# This is a correct situation, we still want to allow people to
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# fine-tune the root device setting for a subset of nodes.
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# However, issue a warning, so that they know which nodes were not
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# updated during this run.
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LOG.warning('Root device hints are already set for node %s '
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'and overwriting is not requested, skipping',
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node.uuid)
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LOG.warning('You may unset them by running $ ironic '
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'node-update %s remove properties/root_device',
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node.uuid)
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return
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inspector_client = self.get_baremetal_introspection_client()
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try:
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data = inspector_client.get_data(node.uuid)
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except ironic_inspector_client.ClientError:
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raise exception.RootDeviceDetectionError(
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'No introspection data found for node %s, '
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'root device cannot be detected' % node.uuid)
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except AttributeError:
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raise RuntimeError('Ironic inspector client version 1.2.0 or '
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'newer is required for detecting root device')
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try:
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disks = data['inventory']['disks']
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except KeyError:
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raise exception.RootDeviceDetectionError(
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'Malformed introspection data for node %s: '
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'disks list is missing' % node.uuid)
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minimum_size *= units.Gi
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disks = [d for d in disks if d.get('size', 0) >= minimum_size]
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if not disks:
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raise exception.RootDeviceDetectionError(
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'No suitable disks found for node %s' % node.uuid)
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if strategy == 'smallest':
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disks.sort(key=lambda d: d['size'])
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root_device = disks[0]
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elif strategy == 'largest':
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disks.sort(key=lambda d: d['size'], reverse=True)
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root_device = disks[0]
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else:
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disk_names = [x.strip() for x in strategy.split(',')]
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disks = {d['name']: d for d in disks}
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for candidate in disk_names:
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try:
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root_device = disks['/dev/%s' % candidate]
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except KeyError:
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continue
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else:
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break
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else:
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raise exception.RootDeviceDetectionError(
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'Cannot find a disk with any of names %(strategy)s '
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'for node %(node)s' %
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{'strategy': strategy, 'node': node.uuid})
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hint = None
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for hint_name in ('wwn_with_extension', 'wwn', 'serial'):
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if root_device.get(hint_name):
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hint = {hint_name: root_device[hint_name]}
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break
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if hint is None:
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# I don't think it might actually happen, but just in case
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raise exception.RootDeviceDetectionError(
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'Neither WWN nor serial number are known for device %(dev)s '
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'on node %(node)s; root device hints cannot be used' %
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{'dev': root_device['name'], 'node': node.uuid})
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# During the introspection process we got local_gb assigned according
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# to the default strategy. Now we need to update it.
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new_size = root_device['size'] / units.Gi
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# This -1 is what we always do to account for partitioning
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new_size -= 1
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bm_client = self.get_baremetal_client()
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bm_client.node.update(
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node.uuid,
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[{'op': 'add', 'path': '/properties/root_device', 'value': hint},
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{'op': 'add', 'path': '/properties/local_gb', 'value': new_size}])
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LOG.info('Updated root device for node %(node)s, new device '
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'is %(dev)s, new local_gb is %(local_gb)d',
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{'node': node.uuid, 'dev': root_device, 'local_gb': new_size})
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class UpdateNodeCapability(base.TripleOAction):
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"""Update a node's capability
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Set the node's capability to the specified value.
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:param node_uuid: The UUID of the node
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:param capability: The name of the capability to update
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:param value: The value to update token
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:return: Result of updating the node
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"""
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def __init__(self, node_uuid, capability, value):
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super(UpdateNodeCapability, self).__init__()
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self.node_uuid = node_uuid
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self.capability = capability
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self.value = value
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def run(self):
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baremetal_client = self.get_baremetal_client()
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try:
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return nodes.update_node_capability(
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self.node_uuid,
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self.capability,
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self.value,
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baremetal_client
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)
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except Exception as err:
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LOG.exception("Error updating node capability in ironic.")
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return mistral_workflow_utils.Result(
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error="%s: %s" % (type(err).__name__, str(err))
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)
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class CellV2DiscoverHostsAction(base.TripleOAction):
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"""Run cell_v2 host discovery
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Runs cell_v2 host discovery to map any newly available ironic nodes.
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"""
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def run(self):
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try:
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result = nodes.run_nova_cell_v2_discovery()
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LOG.info(
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'Successfully ran cell_v2 discover_hosts\n'
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'stdout: %(stdout)r\n',
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{"stdout": result[0]}
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)
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except Exception as err:
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LOG.exception("Error running cell_v2 discover_hosts")
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return mistral_workflow_utils.Result(
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error="%s: %s" % (type(err).__name__, str(err))
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)
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