Restarting or Deleting Instances in Batches

Function

This API is used to restart or delete instances in batches.

When an instance is being restarted, message retrieval and creation requests of the client will be rejected.

Deleting an instance will delete the data in the instance without any backup. Exercise caution when performing this operation.

URI

POST /v1.0/{project_id}/instances/action

Table 1 describes the parameters.

**Table 1** Parameters
Parameter	Type	Mandatory	Description
project_id	String	Yes	Indicates the ID of a project.

Request

Request parameters

Table 2 describes the parameters.

**Table 2** Request parameters
Parameter	Type	Mandatory	Description
action	String	Yes	Indicates the operation to be performed on instances. The value of this parameter can be restart or delete.
instances	Array	No	Indicates the list of instance IDs.
allFailure	String	No	When set to kafka, indicates all Kafka instances that fail to be created are to be deleted.

Example request

Restarting instances in batches:

{ 
    "action" : "restart", 
    "instances" : ["54602a9d-5e22-4239-9123-77e350df4a34", "7166cdea-dbad-4d79-9610-7163e6f8b640"] 
}

Deleting instances in batches:

{ 
    "action" : "delete", 
    "instances" : ["54602a9d-5e22-4239-9123-77e350df4a34", "7166cdea-dbad-4d79-9610-7163e6f8b640"] 
}

Deleting all instances that fail to be created:

{ 
    "action" : "delete", 
    "allFailure" : "kafka"
}

Response

Response parameters

When action is set to delete, allFailure is set to kafka, and an empty response is returned, the instances are deleted successfully. Table 3 describes the parameters.

**Table 3** Response parameters
Parameter	Type	Description
results	Array	Indicates the result of instance modification.

**Table 4** results parameter description
Parameter	Type	Description
instance	String	Indicates the instance ID.
result	String	Indicates an operation result, which can be success or failed

Example response

{ 
    "results": [ 
        { 
            "result": "success", 
            "instance": "afc90a2a-a02c-4cba-94d5-58dfa9ad1e0d" 
        }, 
        { 
            "result": "success", 
            "instance": "67fc5f8d-3986-4f02-bb75-4075a23112de" 
        } 
    ] 
}