Updated on 2026-08-25 GMT+08:00

Obtaining the WDR Report Download Address

Function

This API is used to obtain the WDR report download address.

Authorization Information

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

If you are using role/policy-based authorization, see the required permissions in Permissions Policies and Supported Actions.
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

das:clouddba:read

Read

Instance

-

-

-

Action	Access Level	Resource Type (*: required)	Condition Key	Alias	Dependencies
das:clouddba:read	Read	Instance	-	-	-

URI

POST /v3/{project_id}/connections/{connection_id}/wdr/fetch-wdr

**Table 1** URI parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID. Constraints N/A Range The value can contain 32 characters. Only letters and digits are supported. Default Value N/A
connection_id	Yes	String	Definition Connection ID established between a database account and the database. The database user ID is created using the API in Creating an Instance Connection. Constraints N/A Range The value is a UUID containing 36 characters. Only letters, digits, and hyphens (-) are allowed. Default Value N/A

Request Parameters

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
start_snapshot_id	Yes	Long	Definition Start ID of the WDR snapshot Constraints N/A Range N/A Default Value N/A
end_snapshot_id	Yes	Long	Definition End ID of the WDR snapshot Constraints N/A Range N/A Default Value N/A
node_id	No	String	Definition Instance node ID Constraints N/A Range The value can contain 32 characters. Only letters and digits are supported. Default Value N/A

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
instance_wdr	Strings	Definition WDR report download address. Range N/A
instance_wdr_name	Strings	Definition WDR report name Range N/A
node_wdr_list	Array of Table 4 objects	Definition All engine types Range N/A
wdr_status	Integer	Definition WDR report status Range 0: no report 1: generating 2: generated successfully 3: generation failure
start_snapshot_id	Long	Definition Start ID of the WDR snapshot Range N/A
end_snapshot_id	Long	Definition End ID of the WDR snapshot Range N/A

**Table 4** NodeWdr
Parameter	Type	Description
node_wdr	String	Definition Node WDR report download address Range N/A
node_name	String	Definition Node WDR report name Range N/A

Example Requests

POST https://das.cn-north-1.myhuaweicloud.com/v3/054e292c9880d4992f02c0196d3ea468/connections/179e525e-0e9c-4dcc-9dd7-ee2f36121e23/wdr/fetch-wdr
 
{
  "start_snapshot_id": 2187,
  "end_snapshot_id": 2188,
  "node_id": "9d1d069dc98a4c61895611d35deb28b3no14"
}

Example Responses

Status code: 200

Success.

{
    "instance_wdr": "https://obs_url/wdr.zip",
    "instance_wdr_name": "wdr.zip",
    "node_wdr_list": [],
    "wdr_status": 2,
    "start_snapshot_id": 2188,
    "end_snapshot_id": 2189
}

Status Codes

Status Code	Description
200	Success.
400	Client error.
500	Server error.

Error Codes

See Error Codes.

Parent topic: Intelligent O&M