Updated on 2024-06-06 GMT+08:00

Restarting a Cluster

Function

This API is used to restart a cluster.

Calling Method

For details, see Calling APIs.

URI

POST /v1.1/{project_id}/clusters/{cluster_id}/action

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details about how to obtain the project ID, see Project ID and Account ID.

cluster_id

Yes

String

Cluster ID

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token. It can be obtained by calling the IAM API (value of X-Subject-Token in the response header).

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

restart

Yes

restart object

Cluster restart. For details about how to define the cluster to restart, see the descriptions of restart parameters.

Table 4 restart

Parameter

Mandatory

Type

Description

restartDelayTime

No

Integer

Restart delay, in seconds

restartMode

No

String

Restart mode.

  • IMMEDIATELY: immediate restart

  • FORCELY: forcible restart

  • SOFTLY: normal restart

The default value is IMMEDIATELY. Forcibly restarting service processes will interrupt services and restart VMs in the cluster.

restartLevel

No

String

Restart level. The options are as follows:

  • SERVICE: service restart

  • VM: VM restart

The default value is SERVICE.

type

Yes

String

Type of the cluster node. The value can only be cdm.

instance

No

String

This parameter is reserved. When restartLevel is set to SERVICE, this parameter is mandatory. Set it to an empty string.

group

No

String

This parameter is reserved. When restartLevel is set to SERVICE, this parameter is mandatory. Set it to an empty string.

Response Parameters

Status code: 200

Table 5 Response body parameters

Parameter

Type

Description

jobId

String

Job ID

Example Requests

Restarting a Cluster

POST /v1.1/1551c7f6c808414d8e9f3c514a170f2e/clusters/bae65496-643e-47ca-84af-948672de7eeb/action

{
  "restart" : {
    "instance" : "",
    "type" : "cdm",
    "group" : ""
  }
}

Example Responses

Status code: 200

ok

{
  "jobId" : "ff8080815e59d92d015e5b27ccb0004d"
}

SDK Sample Code

The SDK sample code is as follows.

Restarting a Cluster

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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.cdm.v1.region.cdmRegion;
import com.huaweicloud.sdk.cdm.v1.*;
import com.huaweicloud.sdk.cdm.v1.model.*;


public class RestartClusterSolution {

    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);

        cdmClient client = cdmClient.newBuilder()
                .withCredential(auth)
                .withRegion(cdmRegion.valueOf("<YOUR REGION>"))
                .build();
        RestartClusterRequest request = new RestartClusterRequest();
        request.withClusterId("{cluster_id}");
        CdmRestartClusterReq body = new CdmRestartClusterReq();
        CdmRestartClusterReqRestart restartbody = new CdmRestartClusterReqRestart();
        restartbody.withType("cdm")
            .withInstance("")
            .withGroup("");
        body.withRestart(restartbody);
        request.withBody(body);
        try {
            RestartClusterResponse response = client.restartCluster(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());
        }
    }
}

Restarting a Cluster

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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkcdm.v1.region.cdm_region import cdmRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkcdm.v1 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")
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId) \

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

    try:
        request = RestartClusterRequest()
        request.cluster_id = "{cluster_id}"
        restartbody = CdmRestartClusterReqRestart(
            type="cdm",
            instance="",
            group=""
        )
        request.body = CdmRestartClusterReq(
            restart=restartbody
        )
        response = client.restart_cluster(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Restarting a Cluster

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    cdm "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cdm/v1"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cdm/v1/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cdm/v1/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 := cdm.NewcdmClient(
        cdm.cdmClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.RestartClusterRequest{}
	request.ClusterId = "{cluster_id}"
	instanceRestart:= ""
	groupRestart:= ""
	restartbody := &model.CdmRestartClusterReqRestart{
		Type: "cdm",
		Instance: &instanceRestart,
		Group: &groupRestart,
	}
	request.Body = &model.CdmRestartClusterReq{
		Restart: restartbody,
	}
	response, err := client.RestartCluster(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

ok

400

Request error.

401

Authentication failed.

403

You do not have required permissions to perform this operation.

404

The requested resource was not found.

500

An internal service error occurred. For details, see error codes.

503

Service unavailable.

Error Codes

See Error Codes.