Updated on 2026-01-09 GMT+08:00

Restarting a Cluster (V2)

Function

This API is used to restart nodes of all or some types in the current cluster.

If a cluster is available, ensure that it has stopped handling service requests, such as importing and searching for data. Otherwise, the cluster restart may cause data loss.

Calling Method

For details, see Calling APIs.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

  • If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
  • If you are using identity policy-based authorization, the following identity policy-based permissions are required.

    Action

    Access Level

    Resource Type (*: required)

    Condition Key

    Alias

    Dependencies

    css:cluster:restart

    Write

    cluster *

    • g:EnterpriseProjectId

    • g:ResourceTag/<tag-key>

    -

    -

URI

POST /v2.0/{project_id}/clusters/{cluster_id}/restart

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition:

Project ID. For details about how to obtain the project ID and name, see Obtaining the Project ID and Name.

Constraints:

N/A

Value range:

Project ID of the account.

Default value:

N/A

cluster_id

Yes

String

Definition:

ID of the cluster you want to restart. For details about how to obtain the cluster ID, see Obtaining the Cluster ID.

Constraints:

N/A

Value range:

Cluster ID.

Default value:

N/A

Request Parameters

Table 2 Request body parameters

Parameter

Mandatory

Type

Description

type

Yes

String

Definition:

Restart mode.

Value range:

  • node: restarts nodes.

  • role: restarts roles.

value

Yes

String

Operation parameters. Parameter description:

  • When the operation role is node, the value is the node ID. You can obtain the ID attribute in instances by referring to Querying Cluster Details.

  • When the operation role is role, the value is one or multiple node types (such as ess, ess-master, ess-client, and ess-cold).

Response Parameters

Status code: 200

Request succeeded.

None

Example Requests

Restart nodes of all or some types in the current cluster.

POST https://{Endpoint}/v2.0/{project_id}/clusters/4f3deec3-efa8-4598-bf91-560aad1377a3/restart

{
  "type" : "role",
  "value" : "ess"
}

Example Responses

None

Status Codes

Status Code

Description

200

Request succeeded.

400

Invalid request.

Modify the request before retry.

409

The request could not be completed due to a conflict with the current state of the resource.

The resource that the client attempts to create already exists, or the update request fails to be processed because of a conflict.

412

The server did not meet one of the preconditions contained in the request.

Error Codes

See Error Codes.