Upgrading a Cluster Kernel

Function

This API is used to upgrade Elasticsearch from an earlier version to a later version or the same version.

URI

POST /v1.0/{project_id}/clusters/{cluster_id}/inst-type/{inst_type}/image/upgrade

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain the project ID and name, see Obtaining the Project ID and Name.
cluster_id	Yes	String	ID of the cluster to be upgraded.
inst_type	Yes	String	Type of the node to be upgraded. Currently, its value can only be all.

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
target_image_id	Yes	String	ID of the target image version.
upgrade_type	Yes	String	Upgrade type. same: same-version upgrade. cross: cross-version upgrade. cross-engine: cross-engine upgrade.
indices_backup_check	Yes	Boolean	Whether to perform backup verification. true false
agency	Yes	String	Agency name. You can create an agency to allow CSS to call other cloud services.
cluster_load_check	No	Boolean	Indicates whether to verify the load. The default value is true. true: Verify the load. false: Do not verify the load.
batch_size	No	Integer	Data migration concurrency in terms of the number of data nodes.

Response Parameters

None

Example Requests

Update a cluster version.

POST /v1.0/6204a5bd270343b5885144cf9c8c158d/clusters/4f3deec3-efa8-4598-bf91-560aad1377a3/inst-type/all/image/upgrade

{
  "target_image_id" : "{target_image_id}",
  "upgrade_type" : "same",
  "indices_backup_check" : true,
  "agency" : "css-test-agency",
  "cluster_load_check" : true
}

Example Responses

None

Status Codes

Status Code	Description
200	Request succeeded.
400	Invalid request. The client should not repeat the request without modifications.
409	The request cannot be processed due to a conflict. This status code indicates that the resource that the client attempts to create already exits, or the requested update failed due to a conflict.
412	The server did not meet one of the preconditions contained in the request.