---
title: "Get operating system type (G3)"
slug: "cdss-getclusterserverimagelist"
updated: 2026-09-17T09:51:28Z
published: 2026-09-17T09:51:28Z
canonical: "api.ncloud-docs.com/cdss-getclusterserverimagelist"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get operating system type (G3)

Available in VPC

Get available operating system types.

Note

This is a dedicated API for third-generation servers of the KVM hypervisor type.

## Request

This section describes the request format. The method and URI are as follows:

| Method | URI |
| --- | --- |
| GET | /api/v1/cluster/getClusterServerImageList (Korea Region) |
| GET | /api/sgn-v1/cluster/getClusterServerImageList (Singapore Region) |
| GET | /api/jpn-v1/cluster/getClusterServerImageList (Japan Region) |

### Request headers

For information about the headers common to all Cloud Data Streaming Service APIs, see [Cloud Data Streaming Service request headers](/docs/en/analytics-clouddatastreamingservice#%EC%9A%94%EC%B2%AD%ED%97%A4%EB%8D%94).

### Request query parameters

You can use the following query parameters with your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `generationCode` | String | Optional | Server generation code - `G3`: 3rd generation (valid value) |

### Request example

The request example is as follows:

```
curl --location --request GET 'https://clouddatastreamingservice.apigw.ntruss.com/api/v1/cluster/getClusterServerImageList' \
--header 'x-ncp-apigw-timestamp: {Timestamp}' \
--header 'x-ncp-iam-access-key: {Access Key}' \
--header 'x-ncp-apigw-signature-v2: {API Gateway Signature}'
```

## Response

This section describes the response format.

### Response body

The response body includes the following data:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `code` | Integer | - | Response code |
| `message` | String | - | Response message |
| `result` | Object | - | Response result |
| `result.serverImageList` | Array | - | Operating system type list: [serverImageList](/docs/en/cdss-getclusterserverimagelist#serverImageList) |
| `requestId` | String | - | ID for the request - UUID format |

#### `serverImageList`

The following describes `serverImageList`.

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `serverImageNo` | Integer | - | Operating system registration number |
| `softwareProductCode` | String | - | Operating system type code |
| `serverName` | String | - | Operating system version name |

Note

`order` may be displayed in the response results, but they are not fields that users should refer to.

### Response status codes

For information about the HTTP status codes common to all Cloud Data Streaming Service APIs, see [Cloud Data Streaming Service response status codes](/docs/en/analytics-clouddatastreamingservice#%EC%9D%91%EB%8B%B5%EC%83%81%ED%83%9C%EC%BD%94%EB%93%9C).

### Response example

The response example is as follows:

```
{
    "code": 0,
    "message": "SUCCESS",
    "result": {
        "serverImageList": [
            {
                "serverImageNo": 3188144,
                "softwareProductCode": "SW.VCDSS.OS.LNX64.CNTOS.07.G003",
                "order": 2,
                "serverName": "centos-7.8-cdss"
            },
            {
                "serverImageNo": 100059417,
                "softwareProductCode": "SW.VCDSS.OS.LNX64.ROCKY.08.G003",
                "order": 3,
                "serverName": "Rocky Linux 8"
            }
        ]
    },
    "requestId": "c580da21-****-****-****-f2a2cd556ce5"
}
```