Updated on 2024-04-09 GMT+08:00

Querying DCS Instance Statuses

Function

This API is used to query the number of instances in different states.

Calling Method

For details, see Calling APIs.

URI

GET /v2/{project_id}/instances/status

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details, see Obtaining a Project ID.

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

include_failure

No

String

Whether to return the number of instances that fail to be created.

  • true: The number of instances that failed to be created will be returned.

  • false or other values: The number of instances that failed to be created will not be returned.

Request Parameters

None

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

redis

StatusStatistic object

Redis instance quantity statistics.

memcached

StatusStatistic object

Memcached instance quantity statistics.

paying_count

Integer

Number of instances for which payment is in progress.

freezing_count

Integer

Number of instances that are being frozen.

migrating_count

Integer

Number of instances on which data migration is in progress.

flushing_count

Integer

Number of instances whose data is being cleared.

upgrading_count

Integer

Number of instances that are being upgraded.

restoring_count

Integer

Number of instances for which data restoration is in progress.

extending_count

Integer

Number of instances that are being scaled up.

creating_count

Integer

Number of instances that are being created.

running_count

Integer

Number of running instances.

error_count

Integer

Number of abnormal instances.

frozen_count

Integer

Number of instances that have been frozen.

createfailed_count

Integer

Number of instances that failed to be created.

restarting_count

Integer

Number of instances that are being restarted.

Table 4 StatusStatistic

Parameter

Type

Description

paying_count

Integer

Number of instances for which payment is in progress.

freezing_count

Integer

Number of instances that are being frozen.

migrating_count

Integer

Number of instances on which data migration is in progress.

flushing_count

Integer

Number of instances whose data is being cleared.

upgrading_count

Integer

Number of instances that are being upgraded.

restoring_count

Integer

Number of instances for which data restoration is in progress.

extending_count

Integer

Number of instances that are being scaled up.

creating_count

Integer

Number of instances that are being created.

running_count

Integer

Number of running instances.

error_count

Integer

Number of abnormal instances.

frozen_count

Integer

Number of instances that have been frozen.

createfailed_count

Integer

Number of instances that failed to be created.

restarting_count

Integer

Number of instances that are being restarted.

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Status code: 500

Table 6 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Example Requests

GET https://{dcs_endpoint}/v2/{project_id}/instances/status?include_failure=true

Example Responses

Status code: 200

DCS instance quantity queried successfully.

{
  "extending_count" : 0,
  "creating_count" : 0,
  "running_count" : 16,
  "error_count" : 0,
  "frozen_count" : 0,
  "createfailed_count" : 44,
  "restarting_count" : 0,
  "paying_count" : 0,
  "freezing_count" : 0,
  "migrating_count" : 0,
  "flushing_count" : 0,
  "upgrading_count" : 0,
  "redis" : {
    "extending_count" : 0,
    "creating_count" : 0,
    "running_count" : 8,
    "error_count" : 0,
    "frozen_count" : 0,
    "createfailed_count" : 22,
    "restarting_count" : 0,
    "paying_count" : 0,
    "freezing_count" : 0,
    "migrating_count" : 0,
    "flushing_count" : 0,
    "upgrading_count" : 0
  },
  "memcached" : {
    "extending_count" : 0,
    "creating_count" : 0,
    "running_count" : 8,
    "error_count" : 0,
    "frozen_count" : 0,
    "createfailed_count" : 22,
    "restarting_count" : 0,
    "paying_count" : 0,
    "freezing_count" : 0,
    "migrating_count" : 0,
    "flushing_count" : 0,
    "upgrading_count" : 0
  }
}

SDK Sample Code

The SDK sample code is as follows.

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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.dcs.v2.region.DcsRegion;
import com.huaweicloud.sdk.dcs.v2.*;
import com.huaweicloud.sdk.dcs.v2.model.*;


public class ListNumberOfInstancesInDifferentStatusSolution {

    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");

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

        DcsClient client = DcsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DcsRegion.valueOf("<YOUR REGION>"))
                .build();
        ListNumberOfInstancesInDifferentStatusRequest request = new ListNumberOfInstancesInDifferentStatusRequest();
        request.withIncludeFailure("<include_failure>");
        try {
            ListNumberOfInstancesInDifferentStatusResponse response = client.listNumberOfInstancesInDifferentStatus(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());
        }
    }
}
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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdcs.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 = __import__('os').getenv("CLOUD_SDK_AK")
    sk = __import__('os').getenv("CLOUD_SDK_SK")

    credentials = BasicCredentials(ak, sk) \

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

    try:
        request = ListNumberOfInstancesInDifferentStatusRequest()
        request.include_failure = "<include_failure>"
        response = client.list_number_of_instances_in_different_status(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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package main

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

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

    client := dcs.NewDcsClient(
        dcs.DcsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ListNumberOfInstancesInDifferentStatusRequest{}
	includeFailureRequest:= "<include_failure>"
	request.IncludeFailure = &includeFailureRequest
	response, err := client.ListNumberOfInstancesInDifferentStatus(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

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

DCS instance quantity queried successfully.

400

Invalid request.

500

Internal service error.

Error Codes

See Error Codes.