718 lines
32 KiB
Python
718 lines
32 KiB
Python
# 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 openstack import _log
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from openstack.baremetal.v1 import _common
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from openstack import exceptions
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from openstack import resource
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from openstack import utils
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_logger = _log.setup_logging('openstack')
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class ValidationResult(object):
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"""Result of a single interface validation.
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:ivar result: Result of a validation, ``True`` for success, ``False`` for
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failure, ``None`` for unsupported interface.
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:ivar reason: If ``result`` is ``False`` or ``None``, explanation of
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the result.
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"""
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def __init__(self, result, reason):
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self.result = result
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self.reason = reason
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class Node(_common.ListMixin, resource.Resource):
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resources_key = 'nodes'
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base_path = '/nodes'
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# capabilities
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allow_create = True
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allow_fetch = True
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allow_commit = True
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allow_delete = True
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allow_list = True
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commit_method = 'PATCH'
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commit_jsonpatch = True
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_query_mapping = resource.QueryParameters(
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'associated', 'conductor_group', 'driver', 'fault',
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'provision_state', 'resource_class',
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fields={'name': 'fields', 'type': _common.comma_separated_list},
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instance_id='instance_uuid',
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is_maintenance='maintenance',
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)
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# The allocation_uuid field introduced in 1.52 (Stein).
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_max_microversion = '1.52'
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# Properties
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#: The UUID of the allocation associated with this node. Added in API
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#: microversion 1.52.
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allocation_id = resource.Body("allocation_uuid")
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#: The UUID of the chassis associated wit this node. Can be empty or None.
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chassis_id = resource.Body("chassis_uuid")
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#: The current clean step.
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clean_step = resource.Body("clean_step")
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#: Hostname of the conductor currently handling this ndoe. Added in API
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# microversion 1.49.
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conductor = resource.Body("conductor")
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#: Conductor group this node is managed by. Added in API microversion 1.46.
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conductor_group = resource.Body("conductor_group")
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#: Timestamp at which the node was last updated.
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created_at = resource.Body("created_at")
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#: The current deploy step. Added in API microversion 1.44.
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deploy_step = resource.Body("deploy_step")
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#: The name of the driver.
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driver = resource.Body("driver")
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#: All the metadata required by the driver to manage this node. List of
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#: fields varies between drivers, and can be retrieved from the
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#: :class:`openstack.baremetal.v1.driver.Driver` resource.
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driver_info = resource.Body("driver_info", type=dict)
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#: Internal metadata set and stored by node's driver. This is read-only.
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driver_internal_info = resource.Body("driver_internal_info", type=dict)
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#: A set of one or more arbitrary metadata key and value pairs.
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extra = resource.Body("extra")
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#: Fault type that caused the node to enter maintenance mode.
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#: Introduced in API microversion 1.42.
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fault = resource.Body("fault")
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#: The UUID of the node resource.
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id = resource.Body("uuid", alternate_id=True)
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#: Information used to customize the deployed image, e.g. size of root
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#: partition, config drive in the form of base64 encoded string and other
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#: metadata.
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instance_info = resource.Body("instance_info")
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#: UUID of the nova instance associated with this node.
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instance_id = resource.Body("instance_uuid")
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#: Override enabling of automated cleaning. Added in API microversion 1.47.
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is_automated_clean_enabled = resource.Body("automated_clean", type=bool)
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#: Whether console access is enabled on this node.
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is_console_enabled = resource.Body("console_enabled", type=bool)
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#: Whether node is currently in "maintenance mode". Nodes put into
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#: maintenance mode are removed from the available resource pool.
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is_maintenance = resource.Body("maintenance", type=bool)
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# Whether the node is protected from undeploying. Added in API microversion
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# 1.48.
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is_protected = resource.Body("protected", type=bool)
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#: Any error from the most recent transaction that started but failed to
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#: finish.
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last_error = resource.Body("last_error")
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#: A list of relative links, including self and bookmark links.
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links = resource.Body("links", type=list)
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#: user settable description of the reason why the node was placed into
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#: maintenance mode.
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maintenance_reason = resource.Body("maintenance_reason")
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#: Human readable identifier for the node. May be undefined. Certain words
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#: are reserved. Added in API microversion 1.5
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name = resource.Body("name")
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#: Links to the collection of ports on this node.
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ports = resource.Body("ports", type=list)
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#: Links to the collection of portgroups on this node. Available since
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#: API microversion 1.24.
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port_groups = resource.Body("portgroups", type=list)
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#: The current power state. Usually "power on" or "power off", but may be
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#: "None" if service is unable to determine the power state.
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power_state = resource.Body("power_state")
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#: Physical characteristics of the node. Content populated by the service
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#: during inspection.
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properties = resource.Body("properties", type=dict)
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# The reason why this node is protected. Added in API microversion 1.48.
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protected_reason = resource.Body("protected_reason")
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#: The current provisioning state of the node.
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provision_state = resource.Body("provision_state")
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#: The current RAID configuration of the node.
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raid_config = resource.Body("raid_config")
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#: The name of an service conductor host which is holding a lock on this
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#: node, if a lock is held.
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reservation = resource.Body("reservation")
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#: A string to be used by external schedulers to identify this node as a
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#: unit of a specific type of resource. Added in API microversion 1.21.
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resource_class = resource.Body("resource_class")
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#: Links to the collection of states.
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states = resource.Body("states", type=list)
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#: The requested state if a provisioning action has been requested. For
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#: example, ``AVAILABLE``, ``DEPLOYING``, ``DEPLOYWAIT``, ``DEPLOYING``,
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#: ``ACTIVE`` etc.
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target_provision_state = resource.Body("target_provision_state")
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#: The requested state during a state transition.
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target_power_state = resource.Body("target_power_state")
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#: The requested RAID configuration of the node which will be applied when
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#: the node next transitions through the CLEANING state.
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target_raid_config = resource.Body("target_raid_config")
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#: Traits of the node. Introduced in API microversion 1.37.
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traits = resource.Body("traits", type=list)
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#: Timestamp at which the node was last updated.
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updated_at = resource.Body("updated_at")
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# Hardware interfaces grouped together for convenience.
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#: BIOS interface to use when setting BIOS properties of the node.
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#: Introduced in API microversion 1.40.
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bios_interface = resource.Body("bios_interface")
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#: Boot interface to use when configuring boot of the node.
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#: Introduced in API microversion 1.31.
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boot_interface = resource.Body("boot_interface")
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#: Console interface to use when working with serial console.
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#: Introduced in API microversion 1.31.
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console_interface = resource.Body("console_interface")
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#: Deploy interface to use when deploying the node.
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#: Introduced in API microversion 1.31.
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deploy_interface = resource.Body("deploy_interface")
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#: Inspect interface to use when inspecting the node.
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#: Introduced in API microversion 1.31.
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inspect_interface = resource.Body("inspect_interface")
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#: Management interface to use for management actions on the node.
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#: Introduced in API microversion 1.31.
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management_interface = resource.Body("management_interface")
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#: Network interface provider to use when plumbing the network connections
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#: for this node. Introduced in API microversion 1.20.
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network_interface = resource.Body("network_interface")
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#: Power interface to use for power actions on the node.
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#: Introduced in API microversion 1.31.
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power_interface = resource.Body("power_interface")
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#: RAID interface to use for configuring RAID on the node.
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#: Introduced in API microversion 1.31.
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raid_interface = resource.Body("raid_interface")
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#: Rescue interface to use for rescuing of the node.
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#: Introduced in API microversion 1.38.
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rescue_interface = resource.Body("rescue_interface")
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#: Storage interface to use when attaching remote storage.
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#: Introduced in API microversion 1.33.
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storage_interface = resource.Body("storage_interface")
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#: Vendor interface to use for vendor-specific actions on the node.
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#: Introduced in API microversion 1.31.
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vendor_interface = resource.Body("vendor_interface")
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def _consume_body_attrs(self, attrs):
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if 'provision_state' in attrs and attrs['provision_state'] is None:
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# API version 1.1 uses None instead of "available". Make it
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# consistent.
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attrs['provision_state'] = 'available'
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return super(Node, self)._consume_body_attrs(attrs)
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def create(self, session, *args, **kwargs):
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"""Create a remote resource based on this instance.
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The overridden version is capable of handling the populated
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``provision_state`` field of one of three values: ``enroll``,
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``manageable`` or ``available``. The default is currently
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``available``, since it's the only state supported by all API versions.
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Note that Bare Metal API 1.4 is required for ``manageable`` and
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1.11 is required for ``enroll``.
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:param session: The session to use for making this request.
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:type session: :class:`~keystoneauth1.adapter.Adapter`
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:return: This :class:`Resource` instance.
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:raises: ValueError if the Node's ``provision_state`` is not one of
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``None``, ``enroll``, ``manageable`` or ``available``.
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:raises: :exc:`~openstack.exceptions.NotSupported` if
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the ``provision_state`` cannot be reached with any API version
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supported by the server.
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"""
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expected_provision_state = self.provision_state
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if expected_provision_state is None:
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expected_provision_state = 'available'
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if expected_provision_state not in ('enroll',
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'manageable',
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'available'):
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raise ValueError(
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"Node's provision_state must be one of 'enroll', "
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"'manageable' or 'available' for creation, got %s" %
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expected_provision_state)
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session = self._get_session(session)
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# Verify that the requested provision state is reachable with the API
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# version we are going to use.
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try:
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expected_version = _common.STATE_VERSIONS[expected_provision_state]
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except KeyError:
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pass
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else:
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self._assert_microversion_for(
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session, 'create', expected_version,
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error_message="Cannot create a node with initial provision "
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"state %s" % expected_provision_state)
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# Ironic cannot set provision_state itself, so marking it as unchanged
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self._clean_body_attrs({'provision_state'})
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super(Node, self).create(session, *args, **kwargs)
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if (self.provision_state == 'enroll'
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and expected_provision_state != 'enroll'):
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self.set_provision_state(session, 'manage', wait=True)
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if (self.provision_state == 'manageable'
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and expected_provision_state == 'available'):
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self.set_provision_state(session, 'provide', wait=True)
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if (self.provision_state == 'available'
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and expected_provision_state == 'manageable'):
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self.set_provision_state(session, 'manage', wait=True)
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return self
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def commit(self, session, *args, **kwargs):
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"""Commit the state of the instance to the remote resource.
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:param session: The session to use for making this request.
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:type session: :class:`~keystoneauth1.adapter.Adapter`
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:return: This :class:`Node` instance.
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"""
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# These fields have to be set through separate API.
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if ('maintenance_reason' in self._body.dirty
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or 'maintenance' in self._body.dirty):
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if not self.is_maintenance and self.maintenance_reason:
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if 'maintenance' in self._body.dirty:
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self.maintenance_reason = None
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else:
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raise ValueError('Maintenance reason cannot be set when '
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'maintenance is False')
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if self.is_maintenance:
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self._do_maintenance_action(
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session, 'put', {'reason': self.maintenance_reason})
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else:
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# This corresponds to setting maintenance=False and
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# maintenance_reason=None in the same request.
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self._do_maintenance_action(session, 'delete')
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self._clean_body_attrs({'maintenance', 'maintenance_reason'})
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if not self.requires_commit:
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# Other fields are not updated, re-fetch the node to reflect
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# the new status.
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return self.fetch(session)
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return super(Node, self).commit(session, *args, **kwargs)
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def set_provision_state(self, session, target, config_drive=None,
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clean_steps=None, rescue_password=None,
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wait=False, timeout=None):
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"""Run an action modifying this node's provision state.
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This call is asynchronous, it will return success as soon as the Bare
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Metal service acknowledges the request.
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:param session: The session to use for making this request.
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:type session: :class:`~keystoneauth1.adapter.Adapter`
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:param target: Provisioning action, e.g. ``active``, ``provide``.
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See the Bare Metal service documentation for available actions.
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:param config_drive: Config drive to pass to the node, only valid
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for ``active` and ``rebuild`` targets. You can use functions from
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:mod:`openstack.baremetal.configdrive` to build it.
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:param clean_steps: Clean steps to execute, only valid for ``clean``
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target.
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:param rescue_password: Password for the rescue operation, only valid
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for ``rescue`` target.
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:param wait: Whether to wait for the target state to be reached.
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:param timeout: Timeout (in seconds) to wait for the target state to be
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reached. If ``None``, wait without timeout.
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:return: This :class:`Node` instance.
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:raises: ValueError if ``config_drive``, ``clean_steps`` or
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``rescue_password`` are provided with an invalid ``target``.
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"""
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session = self._get_session(session)
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version = None
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if target in _common.PROVISIONING_VERSIONS:
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version = '1.%d' % _common.PROVISIONING_VERSIONS[target]
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if config_drive:
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# Some config drive actions require a higher version.
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if isinstance(config_drive, dict):
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version = '1.56'
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elif target == 'rebuild':
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version = '1.35'
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version = utils.pick_microversion(session, version)
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body = {'target': target}
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if config_drive:
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if target not in ('active', 'rebuild'):
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raise ValueError('Config drive can only be provided with '
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'"active" and "rebuild" targets')
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# Not a typo - ironic accepts "configdrive" (without underscore)
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body['configdrive'] = config_drive
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if clean_steps is not None:
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if target != 'clean':
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raise ValueError('Clean steps can only be provided with '
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'"clean" target')
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body['clean_steps'] = clean_steps
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if rescue_password is not None:
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if target != 'rescue':
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raise ValueError('Rescue password can only be provided with '
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'"rescue" target')
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body['rescue_password'] = rescue_password
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if wait:
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try:
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expected_state = _common.EXPECTED_STATES[target]
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except KeyError:
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raise ValueError('For target %s the expected state is not '
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'known, cannot wait for it' % target)
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request = self._prepare_request(requires_id=True)
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request.url = utils.urljoin(request.url, 'states', 'provision')
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response = session.put(
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request.url, json=body,
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headers=request.headers, microversion=version,
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retriable_status_codes=_common.RETRIABLE_STATUS_CODES)
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msg = ("Failed to set provision state for bare metal node {node} "
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"to {target}".format(node=self.id, target=target))
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exceptions.raise_from_response(response, error_message=msg)
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if wait:
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return self.wait_for_provision_state(session,
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expected_state,
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timeout=timeout)
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else:
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return self.fetch(session)
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def wait_for_provision_state(self, session, expected_state, timeout=None,
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abort_on_failed_state=True):
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"""Wait for the node to reach the expected state.
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:param session: The session to use for making this request.
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:type session: :class:`~keystoneauth1.adapter.Adapter`
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:param expected_state: The expected provisioning state to reach.
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:param timeout: If ``wait`` is set to ``True``, specifies how much (in
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seconds) to wait for the expected state to be reached. The value of
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``None`` (the default) means no client-side timeout.
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:param abort_on_failed_state: If ``True`` (the default), abort waiting
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if the node reaches a failure state which does not match the
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expected one. Note that the failure state for ``enroll`` ->
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``manageable`` transition is ``enroll`` again.
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:return: This :class:`Node` instance.
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"""
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for count in utils.iterate_timeout(
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timeout,
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"Timeout waiting for node %(node)s to reach "
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"target state '%(state)s'" % {'node': self.id,
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'state': expected_state}):
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self.fetch(session)
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if self._check_state_reached(session, expected_state,
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abort_on_failed_state):
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return self
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_logger.debug('Still waiting for node %(node)s to reach state '
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'"%(target)s", the current state is "%(state)s"',
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{'node': self.id, 'target': expected_state,
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'state': self.provision_state})
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def wait_for_reservation(self, session, timeout=None):
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"""Wait for a lock on the node to be released.
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Bare metal nodes in ironic have a reservation lock that
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is used to represent that a conductor has locked the node
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while performing some sort of action, such as changing
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configuration as a result of a machine state change.
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This lock can occur during power syncronization, and prevents
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updates to objects attached to the node, such as ports.
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Note that nothing prevents a conductor from acquiring the lock again
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after this call returns, so it should be treated as best effort.
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Returns immediately if there is no reservation on the node.
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:param session: The session to use for making this request.
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:type session: :class:`~keystoneauth1.adapter.Adapter`
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:param timeout: How much (in seconds) to wait for the lock to be
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released. The value of ``None`` (the default) means no timeout.
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:return: This :class:`Node` instance.
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"""
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if self.reservation is None:
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return self
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for count in utils.iterate_timeout(
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timeout,
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"Timeout waiting for the lock to be released on node %s" %
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self.id):
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self.fetch(session)
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if self.reservation is None:
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return self
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_logger.debug('Still waiting for the lock to be released on node '
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'%(node)s, currently locked by conductor %(host)s',
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{'node': self.id, 'host': self.reservation})
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def _check_state_reached(self, session, expected_state,
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abort_on_failed_state=True):
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"""Wait for the node to reach the expected state.
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:param session: The session to use for making this request.
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:type session: :class:`~keystoneauth1.adapter.Adapter`
|
|
:param expected_state: The expected provisioning state to reach.
|
|
:param abort_on_failed_state: If ``True`` (the default), abort waiting
|
|
if the node reaches a failure state which does not match the
|
|
expected one. Note that the failure state for ``enroll`` ->
|
|
``manageable`` transition is ``enroll`` again.
|
|
|
|
:return: ``True`` if the target state is reached
|
|
:raises: SDKException if ``abort_on_failed_state`` is ``True`` and
|
|
a failure state is reached.
|
|
"""
|
|
# NOTE(dtantsur): microversion 1.2 changed None to available
|
|
if (self.provision_state == expected_state
|
|
or (expected_state == 'available'
|
|
and self.provision_state is None)):
|
|
return True
|
|
elif not abort_on_failed_state:
|
|
return False
|
|
|
|
if self.provision_state.endswith(' failed'):
|
|
raise exceptions.SDKException(
|
|
"Node %(node)s reached failure state \"%(state)s\"; "
|
|
"the last error is %(error)s" %
|
|
{'node': self.id, 'state': self.provision_state,
|
|
'error': self.last_error})
|
|
# Special case: a failure state for "manage" transition can be
|
|
# "enroll"
|
|
elif (expected_state == 'manageable'
|
|
and self.provision_state == 'enroll' and self.last_error):
|
|
raise exceptions.SDKException(
|
|
"Node %(node)s could not reach state manageable: "
|
|
"failed to verify management credentials; "
|
|
"the last error is %(error)s" %
|
|
{'node': self.id, 'error': self.last_error})
|
|
|
|
# TODO(dtantsur): waiting for power state
|
|
def set_power_state(self, session, target):
|
|
"""Run an action modifying this node's power state.
|
|
|
|
This call is asynchronous, it will return success as soon as the Bare
|
|
Metal service acknowledges the request.
|
|
|
|
:param session: The session to use for making this request.
|
|
:type session: :class:`~keystoneauth1.adapter.Adapter`
|
|
:param target: Target power state, e.g. "rebooting", "power on".
|
|
See the Bare Metal service documentation for available actions.
|
|
"""
|
|
session = self._get_session(session)
|
|
|
|
if target.startswith("soft "):
|
|
version = '1.27'
|
|
else:
|
|
version = None
|
|
|
|
version = utils.pick_microversion(session, version)
|
|
|
|
# TODO(dtantsur): server timeout support
|
|
body = {'target': target}
|
|
|
|
request = self._prepare_request(requires_id=True)
|
|
request.url = utils.urljoin(request.url, 'states', 'power')
|
|
response = session.put(
|
|
request.url, json=body,
|
|
headers=request.headers, microversion=version,
|
|
retriable_status_codes=_common.RETRIABLE_STATUS_CODES)
|
|
|
|
msg = ("Failed to set power state for bare metal node {node} "
|
|
"to {target}".format(node=self.id, target=target))
|
|
exceptions.raise_from_response(response, error_message=msg)
|
|
|
|
def attach_vif(self, session, vif_id, retry_on_conflict=True):
|
|
"""Attach a VIF to the node.
|
|
|
|
The exact form of the VIF ID depends on the network interface used by
|
|
the node. In the most common case it is a Network service port
|
|
(NOT a Bare Metal port) ID. A VIF can only be attached to one node
|
|
at a time.
|
|
|
|
:param session: The session to use for making this request.
|
|
:type session: :class:`~keystoneauth1.adapter.Adapter`
|
|
:param string vif_id: Backend-specific VIF ID.
|
|
:param retry_on_conflict: Whether to retry HTTP CONFLICT errors.
|
|
This can happen when either the VIF is already used on a node or
|
|
the node is locked. Since the latter happens more often, the
|
|
default value is True.
|
|
:return: ``None``
|
|
:raises: :exc:`~openstack.exceptions.NotSupported` if the server
|
|
does not support the VIF API.
|
|
"""
|
|
session = self._get_session(session)
|
|
version = self._assert_microversion_for(
|
|
session, 'commit', _common.VIF_VERSION,
|
|
error_message=("Cannot use VIF attachment API"))
|
|
|
|
request = self._prepare_request(requires_id=True)
|
|
request.url = utils.urljoin(request.url, 'vifs')
|
|
body = {'id': vif_id}
|
|
retriable_status_codes = _common.RETRIABLE_STATUS_CODES
|
|
if not retry_on_conflict:
|
|
retriable_status_codes = set(retriable_status_codes) - {409}
|
|
response = session.post(
|
|
request.url, json=body,
|
|
headers=request.headers, microversion=version,
|
|
retriable_status_codes=retriable_status_codes)
|
|
|
|
msg = ("Failed to attach VIF {vif} to bare metal node {node}"
|
|
.format(node=self.id, vif=vif_id))
|
|
exceptions.raise_from_response(response, error_message=msg)
|
|
|
|
def detach_vif(self, session, vif_id, ignore_missing=True):
|
|
"""Detach a VIF from the node.
|
|
|
|
The exact form of the VIF ID depends on the network interface used by
|
|
the node. In the most common case it is a Network service port
|
|
(NOT a Bare Metal port) ID.
|
|
|
|
:param session: The session to use for making this request.
|
|
:type session: :class:`~keystoneauth1.adapter.Adapter`
|
|
:param string vif_id: Backend-specific VIF ID.
|
|
:param bool ignore_missing: When set to ``False``
|
|
:class:`~openstack.exceptions.ResourceNotFound` will be
|
|
raised when the VIF does not exist. Otherwise, ``False``
|
|
is returned.
|
|
:return: ``True`` if the VIF was detached, otherwise ``False``.
|
|
:raises: :exc:`~openstack.exceptions.NotSupported` if the server
|
|
does not support the VIF API.
|
|
"""
|
|
session = self._get_session(session)
|
|
version = self._assert_microversion_for(
|
|
session, 'commit', _common.VIF_VERSION,
|
|
error_message=("Cannot use VIF attachment API"))
|
|
|
|
request = self._prepare_request(requires_id=True)
|
|
request.url = utils.urljoin(request.url, 'vifs', vif_id)
|
|
response = session.delete(
|
|
request.url, headers=request.headers, microversion=version,
|
|
retriable_status_codes=_common.RETRIABLE_STATUS_CODES)
|
|
|
|
if ignore_missing and response.status_code == 400:
|
|
_logger.debug('VIF %(vif)s was already removed from node %(node)s',
|
|
{'vif': vif_id, 'node': self.id})
|
|
return False
|
|
|
|
msg = ("Failed to detach VIF {vif} from bare metal node {node}"
|
|
.format(node=self.id, vif=vif_id))
|
|
exceptions.raise_from_response(response, error_message=msg)
|
|
return True
|
|
|
|
def list_vifs(self, session):
|
|
"""List IDs of VIFs attached to the node.
|
|
|
|
The exact form of the VIF ID depends on the network interface used by
|
|
the node. In the most common case it is a Network service port
|
|
(NOT a Bare Metal port) ID.
|
|
|
|
:param session: The session to use for making this request.
|
|
:type session: :class:`~keystoneauth1.adapter.Adapter`
|
|
:return: List of VIF IDs as strings.
|
|
:raises: :exc:`~openstack.exceptions.NotSupported` if the server
|
|
does not support the VIF API.
|
|
"""
|
|
session = self._get_session(session)
|
|
version = self._assert_microversion_for(
|
|
session, 'fetch', _common.VIF_VERSION,
|
|
error_message=("Cannot use VIF attachment API"))
|
|
|
|
request = self._prepare_request(requires_id=True)
|
|
request.url = utils.urljoin(request.url, 'vifs')
|
|
response = session.get(
|
|
request.url, headers=request.headers, microversion=version)
|
|
|
|
msg = ("Failed to list VIFs attached to bare metal node {node}"
|
|
.format(node=self.id))
|
|
exceptions.raise_from_response(response, error_message=msg)
|
|
return [vif['id'] for vif in response.json()['vifs']]
|
|
|
|
def validate(self, session, required=('boot', 'deploy', 'power')):
|
|
"""Validate required information on a node.
|
|
|
|
:param session: The session to use for making this request.
|
|
:type session: :class:`~keystoneauth1.adapter.Adapter`
|
|
:param required: List of interfaces that are required to pass
|
|
validation. The default value is the list of minimum required
|
|
interfaces for provisioning.
|
|
|
|
:return: dict mapping interface names to :class:`ValidationResult`
|
|
objects.
|
|
:raises: :exc:`~openstack.exceptions.ValidationException` if validation
|
|
fails for a required interface.
|
|
"""
|
|
session = self._get_session(session)
|
|
version = self._get_microversion_for(session, 'fetch')
|
|
|
|
request = self._prepare_request(requires_id=True)
|
|
request.url = utils.urljoin(request.url, 'validate')
|
|
response = session.get(request.url, headers=request.headers,
|
|
microversion=version)
|
|
|
|
msg = ("Failed to validate node {node}".format(node=self.id))
|
|
exceptions.raise_from_response(response, error_message=msg)
|
|
result = response.json()
|
|
|
|
if required:
|
|
failed = [
|
|
'%s (%s)' % (key, value.get('reason', 'no reason'))
|
|
for key, value in result.items()
|
|
if key in required and not value.get('result')
|
|
]
|
|
|
|
if failed:
|
|
raise exceptions.ValidationException(
|
|
'Validation failed for required interfaces of node {node}:'
|
|
' {failures}'.format(node=self.id,
|
|
failures=', '.join(failed)))
|
|
|
|
return {key: ValidationResult(value.get('result'), value.get('reason'))
|
|
for key, value in result.items()}
|
|
|
|
def set_maintenance(self, session, reason=None):
|
|
"""Enable maintenance mode on the node.
|
|
|
|
:param session: The session to use for making this request.
|
|
:type session: :class:`~keystoneauth1.adapter.Adapter`
|
|
:param reason: Optional reason for maintenance.
|
|
:return: This :class:`Node` instance.
|
|
"""
|
|
self._do_maintenance_action(session, 'put', {'reason': reason})
|
|
return self.fetch(session)
|
|
|
|
def unset_maintenance(self, session):
|
|
"""Disable maintenance mode on the node.
|
|
|
|
:param session: The session to use for making this request.
|
|
:type session: :class:`~keystoneauth1.adapter.Adapter`
|
|
:return: This :class:`Node` instance.
|
|
"""
|
|
self._do_maintenance_action(session, 'delete')
|
|
return self.fetch(session)
|
|
|
|
def _do_maintenance_action(self, session, verb, body=None):
|
|
session = self._get_session(session)
|
|
version = self._get_microversion_for(session, 'commit')
|
|
request = self._prepare_request(requires_id=True)
|
|
request.url = utils.urljoin(request.url, 'maintenance')
|
|
response = getattr(session, verb)(
|
|
request.url, json=body,
|
|
headers=request.headers, microversion=version)
|
|
msg = ("Failed to change maintenance mode for node {node}"
|
|
.format(node=self.id))
|
|
exceptions.raise_from_response(response, error_message=msg)
|
|
|
|
|
|
NodeDetail = Node
|