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

Creating an Instance Diagnosis Task

Function

This API is used to diagnose a specific DCS instance.

Calling Method

For details, see Calling APIs.

URI

POST /v2/{project_id}/instances/{instance_id}/diagnosis

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

instance_id

Yes

String

Instance ID.

project_id

Yes

String

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

Request Parameters

Table 2 Request body parameters

Parameter

Mandatory

Type

Description

begin_time

Yes

String

Diagnosis start time, The time is a Unix timestamp and the unit is ms.

end_time

Yes

String

Diagnosis end time, The time is a Unix timestamp and the unit is ms.

node_ip_list

No

Array of strings

IP addresses of diagnosed nodes. By default, all nodes are diagnosed. Query methods for an instance that is not the read/write splitting type.:

For read/write splitting instances, call the API used to query shard information.

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

report_id

String

Report ID

Status code: 400

Table 4 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 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

Example Requests

Creating an instance diagnosis task and setting the diagnosis start time and end time and the IP address of the node to be diagnosed

POST https://{dcs_endpoint}/v2/{project_id}/instances/{instance_id}/diagnosis

{
  "begin_time" : 1618466522486,
  "end_time" : 1618467122486,
  "node_ip_list" : [ "192.168.0.111" ]
}

Example Responses

Status code: 200

The diagnosis task is successfully delivered.

{
  "report_id" : "716c9cca-8ce2-4a89-b3db-7cee209d6379"
}

SDK Sample Code

The SDK sample code is as follows.

Creating an instance diagnosis task and setting the diagnosis start time and end time and the IP address of the node to be diagnosed

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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.*;

import java.util.List;
import java.util.ArrayList;

public class CreateDiagnosisTaskSolution {

    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();
        CreateDiagnosisTaskRequest request = new CreateDiagnosisTaskRequest();
        CreateDiagnosisTaskBody body = new CreateDiagnosisTaskBody();
        List<String> listbodyNodeIpList = new ArrayList<>();
        listbodyNodeIpList.add("192.168.0.111");
        body.withNodeIpList(listbodyNodeIpList);
        body.withEndTime("1618467122486");
        body.withBeginTime("1618466522486");
        request.withBody(body);
        try {
            CreateDiagnosisTaskResponse response = client.createDiagnosisTask(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());
        }
    }
}

Creating an instance diagnosis task and setting the diagnosis start time and end time and the IP address of the node to be diagnosed

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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 = CreateDiagnosisTaskRequest()
        listNodeIpListbody = [
            "192.168.0.111"
        ]
        request.body = CreateDiagnosisTaskBody(
            node_ip_list=listNodeIpListbody,
            end_time="1618467122486",
            begin_time="1618466522486"
        )
        response = client.create_diagnosis_task(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Creating an instance diagnosis task and setting the diagnosis start time and end time and the IP address of the node to be diagnosed

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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.CreateDiagnosisTaskRequest{}
	var listNodeIpListbody = []string{
        "192.168.0.111",
    }
	request.Body = &model.CreateDiagnosisTaskBody{
		NodeIpList: &listNodeIpListbody,
		EndTime: "1618467122486",
		BeginTime: "1618466522486",
	}
	response, err := client.CreateDiagnosisTask(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

The diagnosis task is successfully delivered.

400

Invalid request.

500

Internal service error.

Error Codes

See Error Codes.