Updated on 2024-05-17 GMT+08:00

Updating BMS Metadata

Function

This API is used to update BMS metadata.

  • If the metadata does not contain the target field, the field is automatically added to the field.
  • If the metadata contains the target field, the field value is automatically updated.
  • If the field in the metadata is not requested, the field value remains unchanged.

Constraints

The BMS must be in active, stopped, or paused state. The state is indicated by the OS-EXT-STS:vm_state parameter.

URI

POST /v1/{project_id}/baremetalservers/{server_id}/metadata

Table 1 lists the parameters.
Table 1 Parameter description

Parameter

Mandatory

Description

project_id

Yes

Specifies the project ID.

For details about how to obtain the project ID, see Obtaining a Project ID.

server_id

Yes

Specifies the BMS ID.

You can obtain the BMS ID from the BMS console or by calling the Querying BMSs (Native OpenStack API).

Request Parameters

Table 2 Request parameters

Parameter

Mandatory

Type

Description

metadata

Yes

Object

Specifies the user-defined metadata key-value pair.

If you do not specify any key-value pair, metadata will not be updated.

key:

It contains a maximum of 255 Unicode characters which can be letters, digits, hyphens (-), underscores (_), colons (:), and periods (.). key cannot be left blank.

value:

It contains a maximum of 255 Unicode characters.

Example Request

Updating the metadata of a BMS (ID: cf2a8b97-b5c6-47ef-9714-eb27adf26e5b) to customize a key-value pair
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POST https://{BMS Endpoint}/v1/bbf1946d374b44a0a2a95533562ba954/baremetalservers/cf2a8b97-b5c6-47ef-9714-eb27adf26e5b/metadata
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{
    "metadata": {
        "key": "value"
    }
}

Response Parameters

Table 3 Parameter description

Parameter

Mandatory

Type

Description

metadata

Yes

Object

Specifies the user-defined metadata key-value pair.

If you do not specify any key-value pair, metadata will not be updated.

key:

It contains a maximum of 255 Unicode characters which can be letters, digits, hyphens (-), underscores (_), colons (:), and periods (.). key cannot be left blank.

value:

It contains a maximum of 255 Unicode characters.

Example Response

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{
    "metadata":{
        "key": "value"
    }
} 

Returned Values

Normal values

Returned Values

Description

200

The request has been successfully processed.

For details about other returned values, see Status Codes.

Error Codes

See Error Codes.