ba096e091a
Update api-ref, documentation to reflect the new endpoints and the new way to set node provision state. Related-Bug: #2027690 Change-Id: I2106691c08eb04d1001ccf97e6e08fc811356874
576 lines
15 KiB
ReStructuredText
576 lines
15 KiB
ReStructuredText
.. -*- rst -*-
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=======================
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Node Management (nodes)
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=======================
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Nodes can be managed through several sub-resources.
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Maintenance mode can be set by the operator, with an optional "reason" stored
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by Ironic.
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The supplied ``driver_info`` can be validated to ensure that the selected
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``driver`` has all the information it requires to manage the Node.
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A Node can be rebooted, turned on, or turned off by requesting a change to its
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power state. This is handled asynchronously and tracked in the ``target_power_state``
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field after the request is received.
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A Node's boot device can be changed, and the set of supported boot devices
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can be queried.
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A request to change a Node's provision state is also tracked asynchronously;
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the ``target_provision_state`` represents the requested state. A Node
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may transition through several discrete ``provision_state`` steps before arriving
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at the requested state. This can vary between drivers and based on configuration.
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For example, a Node in the ``available`` state can have an instance deployed to it
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by requesting the provision state of ``active``. During this transition, the Node's
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``provision_state`` will temporarily be set to ``deploying``, and depending on the driver,
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it may also be ``wait call-back``. When the transitions are complete, ``target_provision_state``
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will be set to ``None`` and ``provision_state`` will be set to ``active``.
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To destroy the instance, request the provision state of ``delete``. During this
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transition, the Node may or may not go through a ``cleaning`` state,
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depending on the service configuration.
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Validate Node
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===============
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.. rest_method:: GET /v1/nodes/{node_ident}/validate
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Request that Ironic validate whether the Node's ``driver`` has enough information
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to manage the Node. This polls each ``interface`` on the driver, and returns
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the status of that ``interface`` as an element in the response. Note that each
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``driver`` may require different information to be supplied, and not all drivers
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support all interfaces.
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Normal response codes: 200
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.. TODO: add error codes
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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Response
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--------
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Each element in the response will contain a "result" variable, which will have
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a value of "true" or "false", indicating that the interface either has or does
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not have sufficient information to function. A value of ``null`` indicates that
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the Node's driver does not support that interface.
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.. rest_parameters:: parameters.yaml
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- bios: v_bios
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- boot: v_boot
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- console: v_console
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- deploy: v_deploy
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- inspect: v_inspect
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- management: v_management
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- network: v_network
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- power: v_power
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- raid: v_raid
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- rescue: v_rescue
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- storage: v_storage
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**Example node validation response:**
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.. literalinclude:: samples/node-validate-response.json
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:language: javascript
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Set Maintenance Flag
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=============================
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.. rest_method:: PUT /v1/nodes/{node_ident}/maintenance
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Request that Ironic set the maintenance flag on the Node. This will disable
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certain automatic actions that the Node's driver may take, and remove
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the Node from Nova's available resource pool.
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Normal response code: 202
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.. TODO: Add link to user / operator documentation on the Maintenance flag
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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- reason: reason
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**Example request: mark a node for maintenance:**
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.. literalinclude:: samples/node-maintenance-request.json
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Clear Maintenance Flag
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==============================
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.. rest_method:: DELETE /v1/nodes/{node_ident}/maintenance
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The maintenance flag is unset by sending a DELETE request to this endpoint.
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If the request is accepted, Ironic will also clear the ``maintenance_reason``
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field.
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Normal response code: 202
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.. TODO: Add link to user / operator documentation on the Maintenance flag
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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Set Boot Device
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===============
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.. rest_method:: PUT /v1/nodes/{node_ident}/management/boot_device
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Set the boot device for the given Node, and set it persistently or for one-time
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boot. The exact behaviour of this depends on the hardware driver.
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.. note:: In some drivers, eg. the ``*_ipmitool`` family, this method initiates a synchronous call
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to the hardware management device (BMC). It should be used with caution! This
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is `a known bug <https://bugs.launchpad.net/ironic/+bug/1427923>`_.
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.. note:: Some drivers do not support one-time boot, and always set the boot device
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persistently.
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Normal response code: 204
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.. TODO: add error codes
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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- boot_device: req_boot_device
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- persistent: req_persistent
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**Example JSON request body to set boot device:**
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.. literalinclude:: samples/node-set-boot-device.json
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Get Boot Device
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===============
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.. rest_method:: GET /v1/nodes/{node_ident}/management/boot_device
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Get the current boot device for the given Node.
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.. note:: In some drivers, eg. the ``*_ipmitool`` family, this method initiates a synchronous call
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to the hardware management device (BMC). It should be used with caution! This
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is `a known bug <https://bugs.launchpad.net/ironic/+bug/1427923>`_.
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Normal response code: 200
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.. TODO: add error codes
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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Response
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--------
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.. rest_parameters:: parameters.yaml
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- boot_device: boot_device
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- persistent: persistent
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**Example JSON response to get boot device:**
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.. literalinclude:: samples/node-get-boot-device-response.json
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Get Supported Boot Devices
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===========================
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.. rest_method:: GET /v1/nodes/{node_ident}/management/boot_device/supported
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Retrieve the acceptable set of supported boot devices for a specific Node.
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Normal response code: 200
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.. TODO: add error codes
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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Response
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--------
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.. rest_parameters:: parameters.yaml
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- supported_boot_devices: supported_boot_devices
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**Example response listing supported boot devices:**
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.. literalinclude:: samples/node-get-supported-boot-devices-response.json
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Inject NMI (Non-Masking Interrupts)
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===================================
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.. rest_method:: PUT /v1/nodes/{node_ident}/management/inject_nmi
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.. versionadded:: 1.29
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Inject NMI (Non-Masking Interrupts) for the given Node. This feature
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can be used for hardware diagnostics, and actual support depends on a
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driver.
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Normal response code: 204 (No content)
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Error codes:
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- 400 (Invalid)
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- 403 (Forbidden)
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- 404 (NotFound)
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- 406 (NotAcceptable)
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- 409 (NodeLocked, ClientError)
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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**Request to inject NMI to a node has to be empty dictionary:**
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.. literalinclude:: samples/node-inject-nmi.json
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Node State Summary
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==================
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.. rest_method:: GET /v1/nodes/{node_ident}/states
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Get a summary of the Node's current power, provision, boot mode, raid, and console status.
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.. versionadded:: 1.75
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Introduced ``boot_mode`` and ``secure_boot`` fields.
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Normal response code: 200
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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Response
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--------
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.. rest_parameters:: parameters.yaml
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- power_state: power_state
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- target_power_state: target_power_state
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- provision_state: provision_state
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- target_provision_state: target_provision_state
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- provision_updated_at: provision_updated_at
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- last_error: last_error
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- console_enabled: console_enabled
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- raid_config: raid_config
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- target_raid_config: target_raid_config
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- boot_mode: boot_mode
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- secure_boot: secure_boot
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**Example node state:**
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.. literalinclude:: samples/node-get-state-response.json
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Change Node Boot Mode
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=====================
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.. rest_method:: PUT /v1/nodes/{node_ident}/states/boot_mode
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Request a change to the Node's boot mode.
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.. note::
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Depending on the driver and the underlying hardware, changing boot mode may
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result in an automatic reboot.
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.. versionadded:: 1.76
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A change in node's boot mode can be requested.
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Normal response code: 202 (Accepted)
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Error codes:
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- 400 (Invalid, InvalidStateRequested, InvalidParameterValue)
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- 404 (NotFound)
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- 409 (Conflict, NodeLocked, ClientError)
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- 503 (NoFreeConductorWorkers)
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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- target: req_target_boot_mode
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**Example request for UEFI boot:**
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.. literalinclude:: samples/node-set-boot-mode-uefi.json
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**Example request for Legacy BIOS boot:**
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.. literalinclude:: samples/node-set-boot-mode-bios.json
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Change Node Secure Boot
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=======================
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.. rest_method:: PUT /v1/nodes/{node_ident}/states/secure_boot
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Request a change to the Node's secure boot state.
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.. note::
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Depending on the driver and the underlying hardware, changing the secure
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boot state may result in an automatic reboot.
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.. versionadded:: 1.76
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A change in node's secure boot state can be requested.
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Normal response code: 202 (Accepted)
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Error codes:
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- 400 (Invalid, InvalidStateRequested, InvalidParameterValue)
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- 404 (NotFound)
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- 409 (Conflict, NodeLocked, ClientError)
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- 503 (NoFreeConductorWorkers)
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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- target: req_target_secure_boot
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**Example request to turn off secure boot:**
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.. literalinclude:: samples/node-set-secure-boot-off.json
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**Example request to turn on secure boot:**
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.. literalinclude:: samples/node-set-secure-boot-on.json
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Change Node Power State
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=======================
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.. rest_method:: PUT /v1/nodes/{node_ident}/states/power
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Request a change to the Node's power state.
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Normal response code: 202 (Accepted)
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.. versionadded:: 1.27
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In the request, the ``target`` value can also be one of ``soft power off``
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or ``soft rebooting``.
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.. versionadded:: 1.27
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In the request, a ``timeout`` can be specified.
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Error codes:
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- 409 (NodeLocked, ClientError)
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- 400 (Invalid, InvalidStateRequested, InvalidParameterValue)
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- 406 (NotAcceptable)
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- 503 (NoFreeConductorWorkers)
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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- target: req_target_power_state
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- timeout: power_timeout
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**Example request to power off a Node:**
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.. literalinclude:: samples/node-set-power-off.json
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**Example request to soft power off a Node with timeout:**
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.. literalinclude:: samples/node-set-soft-power-off.json
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Change Node Provision State
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===========================
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.. rest_method:: PUT /v1/nodes/{node_ident}/states/provision
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Request a change to the Node's provision state.
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Acceptable target states depend on the Node's current provision state. More
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detailed documentation of the Ironic State Machine is available
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`in the developer docs <https://docs.openstack.org/ironic/latest/contributor/states.html>`_.
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.. versionadded:: 1.35
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A ``configdrive`` can be provided when setting the node's provision target state to ``rebuild``.
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.. versionadded:: 1.38
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A node can be rescued or unrescued by setting the node's provision target state to
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``rescue`` or ``unrescue`` respectively.
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.. versionadded:: 1.56
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A ``configdrive`` can be a JSON object with ``meta_data``, ``network_data``
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and ``user_data``.
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.. versionadded:: 1.59
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A ``configdrive`` now accepts ``vendor_data``.
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.. versionadded:: 1.69
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``deploy_steps`` can be provided when settings the node's provision target
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state to ``active`` or ``rebuild``.
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.. versionadded:: 1.70
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``disable_ramdisk`` can be provided to avoid booting the ramdisk during
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manual cleaning.
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.. versionadded:: 1.87
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A node can be serviced by setting the provision target state to ``service``
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with a list of ``service_steps``.
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.. versionadded:: 1.92
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Added the ability to allow for predefined sets of steps to be executed
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during provisioning by passing in a ``runbook_ident`` that's already
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approved for the given node, as an alternative to providing ``clean_steps``
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or ``service_steps`` dictionary.
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Normal response code: 202
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Error codes:
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- 409 (NodeLocked, ClientError)
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- 400 (InvalidState, NodeInMaintenance)
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- 406 (NotAcceptable)
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- 503 (NoFreeConductorWorkers)
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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- target: req_provision_state
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- configdrive: configdrive
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- clean_steps: clean_steps
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- deploy_steps: deploy_steps
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- service_steps: service_steps
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- rescue_password: rescue_password
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- disable_ramdisk: disable_ramdisk
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- runbook: runbook_ident
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**Example request to deploy a Node, using a configdrive served via local webserver:**
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.. literalinclude:: samples/node-set-active-state.json
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**Example request to deploy a Node with custom deploy step:**
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.. literalinclude:: samples/node-set-active-state-deploy-steps.json
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**Example request to clean a Node, with custom clean step:**
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.. literalinclude:: samples/node-set-clean-state.json
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**Example request to service a Node, with custom service step:**
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.. literalinclude:: samples/node-set-service-state.json
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**Example request to set provision state for a Node with a runbook:**
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.. literalinclude:: samples/node-set-provision-state.json
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.. note:: Use ``runbook`` as an alternative to ``clean_steps`` or
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``service_steps``. If ``runbook`` is provided, ``clean_steps`` or
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``service_steps`` must not be included in the request.
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Set RAID Config
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===============
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.. rest_method:: PUT /v1/nodes/{node_ident}/states/raid
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.. versionadded:: 1.12
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Store the supplied configuration on the Node's ``target_raid_config`` property.
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This property must be structured JSON, and will be validated by the driver upon receipt. The request
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schema is defined in the `documentation for the RAID feature <https://docs.openstack.org/ironic/latest/admin/raid.html>`_
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.. note:: Calling this API only stores the requested configuration; it will be applied the next time
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that the Node transitions through the ``cleaning`` phase.
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Normal response code: 204
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.. TODO: add more description, response code, sample response
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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- target_raid_config: req_target_raid_config
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**Example requested RAID config:**
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.. literalinclude:: samples/node-set-raid-request.json
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.. TODO: add more description, response code, sample response
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Get Console
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===========
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.. rest_method:: GET /v1/nodes/{node_ident}/states/console
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Get connection information about the console.
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.. TODO: add more description, response code, sample response
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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.. TODO: add more description, response code, sample response
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Start/Stop Console
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===================
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.. rest_method:: PUT /v1/nodes/{node_ident}/states/console
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Start or stop the serial console.
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.. TODO: add more description, response code, sample response
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Request
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-------
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.. rest_parameters:: parameters.yaml
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- node_ident: node_ident
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- enabled: req_console_enabled
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