Creating an Instance Diagnosis Task

Function

This API is used to diagnose a specific DCS instance.

URI

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

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID. For details, see Obtaining a Project ID. Constraints N/A Range N/A Default Value N/A
instance_id	Yes	String	Definition Instance ID. It can be viewed on the instance details page on the DCS console. Constraints N/A Range N/A Default Value N/A

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
begin_time	Yes	String	Definition Diagnosis start time. The value is a UNIX timestamp, in milliseconds. Constraints N/A Range N/A Default Value N/A
end_time	Yes	String	Definition Diagnosis end time. The value is a UNIX timestamp, in milliseconds. Constraints N/A Range N/A Default Value N/A
node_ip_list	No	Array of strings	Definition IP addresses of diagnosed nodes. By default, all nodes are diagnosed. Query methods for an instance that is not the read/write splitting type.: Method 1: See "Viewing Instance Details" in the DCS User Guide. Method 2: Call the API for Querying Details About a Specified Instance. For read/write splitting instances, call the API used to query shard information. Constraints N/A

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
report_id	String	Definition Report ID. Range N/A

Status code: 400

**Table 4** Response body parameters
Parameter	Type	Description
error_msg	String	Definition Error information. Range N/A
error_code	String	Definition Error code. Range For details, see Error Codes.
error_ext_msg	String	Definition Extended error information. This parameter is not used currently and is set to null. Range N/A

Status code: 500

**Table 5** Response body parameters
Parameter	Type	Description
error_msg	String	Definition Error information. Range N/A
error_code	String	Definition Error code. Range For details, see Error Codes.
error_ext_msg	String	Definition Extended error information. This parameter is not used currently and is set to null. Range N/A

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"
}

Status Codes

Status Code	Description
200	The diagnosis task is successfully delivered.
400	Invalid request.
500	Internal service error.

Error Codes

See Error Codes.

Parent topic:Instance Diagnosis

Previous topic: Instance Diagnosis

Next topic: Listing Instance Diagnosis Tasks

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