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Modifying the Specifications of an ECS (Pay-per-Use)

Function

ECS specifications can be modified, for example, upgrading the vCPUs and memory, to meet service requirements. This API is used to modify ECS specifications.

An ECS flavor cannot be changed to certain flavors. For details, see Querying the Target ECS Flavors to Which a Flavor Can Be Changed.

Constraints

URI

POST /v1/{project_id}/cloudservers/{server_id}/resize

Table 1 describes the parameters in the URI.
Table 1 Parameter description

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.
Table 2 Request parameters

Parameter

Mandatory

Type

Description

resize

Yes

Object

Specifies the operation to modify ECS specifications. For details, see Table 3.
Table 3 resize field description

Parameter

Mandatory

Type

Description

flavorRef

Yes

String

Specifies the flavor ID of the ECS after the modification.

You can view Querying the Target ECS Flavors to Which a Flavor Can Be Changed to query the target flavors to which a specified ECS flavor can be changed.

mode

No

String

If the parameter value is withStopServer, the specifications of a running ECS can be modified.

If the parameter value is withStopServer, the modification process is as follows: The system automatically stops the ECS, modifies ECS specifications, and starts the ECS after the modification is complete.

Response

See Responses (Task).

Example Request

POST https://{endpoint}/v1/{project_id}/cloudservers/{server_id}/resize
{
"resize": {
        "flavorRef": "c3.15xlarge.2"
    }
}

Example Response

None

Returned Values

See Returned Values for General Requests.

Error Codes

See Error Code Description.

Parent topic: Status Management