Updating ECS Metadata
Function
This API is used to update ECS metadata.
- If the metadata does not contain the target field, the field is automatically added.
- 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
An ECS must be in active, stopped, paused, or suspended state, which is specified by OS-EXT-STS:vm_state.
URI
POST /v2.1/{project_id}/servers/{server_id}/metadata
Table 1 describes the parameters in the URI.
Parameter | Mandatory | Description |
---|---|---|
project_id | Yes | Specifies the project ID. For details about how to obtain the ID, see Obtaining a Project ID. |
server_id | Yes | Specifies the ECS ID. |
Request
Table 2 describes the request parameters.
Parameter | Mandatory | Type | Description |
---|---|---|---|
metadata | Yes | Object | Specifies the user-defined metadata key-value pair. For a metadata key: It contains a maximum of 255 Unicode characters and cannot be left blank. A key can contain uppercase letters (A-Z), lowercase letters (a-z), digits (0-9), hyphens (-), underscores (_), colons (:), and periods (.). For a metadata value: A value contains a maximum of 255 Unicode characters. |
Response
Table 3 describes the response parameters.
Parameter | Type | Description |
---|---|---|
metadata | Object | Specifies the user-defined metadata key-value pair. |
Example Request
POST https://{endpoint}/v2.1/{project_id}/servers/{server_id}/metadata
{"metadata": {"key": "value"}}
Example Response
{"metadata":{"key":"value"}}
Returned Values
- Function
- Constraints
- URI
- Request
- Response
- Example Request
- Example Response
- Returned Values