Help Center/ Elastic Cloud Server/ API Reference/ Native OpenStack Nova APIs/ Flavor Management/ Querying Details About an ECS Flavor
Updated on 2025-12-18 GMT+08:00
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Querying Details About an ECS Flavor

Function

This API is used to query the details about an ECS flavor based on the flavor ID.

URI

GET /v2.1/{project_id}/flavors/{flavor_id}

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.

flavors_id

Yes

Specifies the flavor ID.

Request

None

Response

Table 2 describes the response parameters.
Table 2 Response parameters

Parameter

Type

Description

flavor

Object

Specifies the ECS flavor. For details, see Table 3.
Table 3 flavor field description

Parameter

Type

Description

id

String

Specifies the ID of the ECS flavor.

name

String

Specifies the name of the ECS flavor.

vcpus

Integer

Specifies the number of vCPUs in the ECS flavor.

ram

Integer

Specifies the memory size (MiB) in the ECS flavor.

disk

Integer

Specifies the system disk size in the ECS flavor.

This parameter has not been used. Its default value is 0.

swap

String

Specifies the swap partition size required by the ECS flavor.

This parameter has not been used. Its default value is "".

OS-FLV-EXT-DATA:ephemeral

Integer

Specifies the temporary disk size. This is an extended attribute.

This parameter has not been used. Its default value is 0.

OS-FLV-DISABLED:disabled

Boolean

Specifies whether the ECS flavor has been disabled. This is an extended attribute.

This parameter has not been used. Its default value is false.

rxtx_factor

Float

Specifies the ratio of the available network bandwidth to the network hardware bandwidth of the ECS.

This parameter has not been used. Its default value is 1.0.

os-flavor-access:is_public

Boolean

Specifies whether a flavor is available to all tenants. This is an extended attribute.

  • true: indicates that a flavor is available to all tenants.
  • false: indicates that a flavor is available only to certain tenants.

Default value: true

links

Array of objects

Specifies shortcut links for ECS flavors. For details, see Table 4.
Table 4 links field description

Parameter

Type

Description

rel

String

Specifies the shortcut link marker name.

href

String

Provides the corresponding shortcut link.

Example Request

Query details about an ECS flavor.

GET https://{endpoint}/v2.1/743b4c0428d94531b9f2add666642e6b/flavors/c3.2xlarge.2

Example Response

{
    "flavor": {
        "name": "c3.2xlarge.2",
        "links": [
            {
                "href": "https://compute.region.example.com/v2.1/743b4c0428d94531b9f2add666642e6b/flavors/c3.2xlarge.2",
                "rel": "self"
            },
            {
                "href": "https://compute.region.example.com/743b4c0428d94531b9f2add666642e6b/flavors/c3.2xlarge.2",
                "rel": "bookmark"
            }
        ],
        "ram": 16384,
        "OS-FLV-DISABLED:disabled": false,
        "vcpus": 8,
        "swap": "",
        "os-flavor-access:is_public": true,
        "rxtx_factor": 1,
        "OS-FLV-EXT-DATA:ephemeral": 0,
        "disk": 0,
        "id": "c3.2xlarge.2"
    }
                }

Returned Values

See Returned Values for General Requests.

Parent topic: Flavor Management