Updated on 2025-09-26 GMT+08:00

Querying the Instance List

Function

This API is used to query the instance list.

Constraints

None.

Calling Method

For details, see Calling APIs.

URI

GET /v2/{project_id}/instances

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID.

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

offset

No

Integer

Start index. The default value is 0. Note: The offset and limit parameters must be used together.

limit

No

Integer

Number of returned records. The default value is 100, and the maximum value is 100. Note: The offset and limit parameters must be used together.

status

No

String

Instance status. The value can be Initial, Creating, Running, or Unavailable.

enterprise_project_id

No

String

Enterprise project ID.

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token.

It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token.

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

instances

Array of Instance objects

Instance list.

total

Integer

Total number of instances.

Table 5 Instance

Parameter

Type

Description

id

String

Instance ID.

name

String

Instance name.

description

String

Instance description.

vpc_id

String

VPC ID.

subnet_id

String

Network ID of the subnet.

spec

String

Instance specifications.

version

String

Instance edition.

charge_mode

String

Billing mode of an instance.

access_address

String

Access address.

created_at

String

Time when an instance was created.

updated_at

String

Time when an instance was updated.

expires_at

String

Instance expiration time.

status

String

Instance status.

obs_bucket_name

String

OBS bucket name.

project_id

String

Project ID.

enterprise_project_id

String

Enterprise project ID.

user_def_obs

Boolean

Whether the OBS bucket is specified by the user.

product_id

String

Product ID.

order_id

String

Order ID. This is a reserved field for yearly/monthly subscriptions.

vpc_name

String

VPC name.

vpc_cidr

String

VPC CIDR block.

subnet_name

String

VPC subnet name.

subnet_cidr

String

Subnet CIDR block.

vpcep_service_id

String

VPC endpoint service ID of the instance.

Status code: 400

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Status code: 401

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Status code: 403

Table 8 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Status code: 404

Table 9 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Status code: 500

Table 10 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

encoded_authorization_message

String

Detailed rejection reason after encryption. You can call the API decode-authorization-message of STS to decrypt the reason.

Example Requests

GET https://{endpoint}/v2/{project_id}/instances

Example Responses

Status code: 200

The instance list is queried successfully.

{
  "total" : 1,
  "instances" : [ {
    "id" : "c6bc8d38-e14d-4767-a5c1-d55db63a2fb4",
    "name" : "first-blood",
    "description" : "",
    "vpc_id" : "0d09f1bc-95fb-4e04-90c6-1ac60daa2c07",
    "subnet_id" : "6b638754-2b95-47d7-9f90-632c8706ece7",
    "spec" : "basic",
    "version" : "v1",
    "charge_mode" : "postPaid",
    "access_address" : "762165ca-132e-4915-b6be-9a2b9d03d19d.cer.cn-north-7.myhuaweicloud.com",
    "created_at" : "2020-11-21T08:49:30.316Z",
    "updated_at" : "2020-11-21T08:49:30.316Z",
    "expires_at" : "0001-01-01T00:00:00Z",
    "status" : "Running"
  } ]
}

SDK Sample Code

The SDK sample code is as follows.

Java

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.swr.v2.region.SwrRegion;
import com.huaweicloud.sdk.swr.v2.*;
import com.huaweicloud.sdk.swr.v2.model.*;


public class ListInstanceSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        SwrClient client = SwrClient.newBuilder()
                .withCredential(auth)
                .withRegion(SwrRegion.valueOf("<YOUR REGION>"))
                .build();
        ListInstanceRequest request = new ListInstanceRequest();
        try {
            ListInstanceResponse response = client.listInstance(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

Python

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkswr.v2.region.swr_region import SwrRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkswr.v2 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = SwrClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(SwrRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ListInstanceRequest()
        response = client.list_instance(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Go

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    swr "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/swr/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/swr/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/swr/v2/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := swr.NewSwrClient(
        swr.SwrClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ListInstanceRequest{}
	response, err := client.ListInstance(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

More

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

The instance list is queried successfully.

400

Request error.

401

Authentication failed.

403

Access denied.

404

Resource not found.

500

Internal error.

Error Codes

See Error Codes.