Querying DB Engines

Function

This API is used to query DB engines. Before calling this API:

Learn how to authenticate this API.
Obtain the required region and endpoint.

Debugging

You can debug this API in API Explorer.

URI

GET /v3.1/{project_id}/datastores

**Table 1** Parameter description
Name	Mandatory	Type	Description
project_id	Yes	String	Definition Project ID of a tenant in a region. To obtain the value, see Obtaining a Project ID. Constraints N/A Range The value can contain 32 characters. Only letters and digits are allowed. Default Value N/A

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Definition User token. You can obtain the token by calling the IAM API used to obtain a user token. After a response is returned, the value of X-Subject-Token in the response header is the token. Constraints N/A Range N/A Default Value N/A
X-Language	No	String	Definition Language. Constraints N/A Range zh-cn: Chinese en-us: English Default Value en-us

Response Parameters

**Table 3** Parameter description
Name	Type	Description
datastores	Array of objects	Definition DB engines. For details, see Table 4.

**Table 4** dataStores field data structure description
Parameter	Type	Description
supported_versions	Array of strings	Definition Engine versions supported by the deployment model.
instance_mode	String	Definition Deployment model. Range ha: centralized independent: independent

Example Request

Querying DB engines

GET https://gaussdb-opengauss.ap-southeast-1.myhuaweicloud.com/v3.1/0483b6b16e954cb88930a360d2c4e663/datastores

Example Response

DB engines queried.

{
	"datastores": [
		{
			
			"supported_versions": [
				"V2.0-2.0",
				"V2.0-2.3",
				"V2.0-2.6",
				"V2.0-2.9"
			],
                        "instance_mode": "ha"
		}
	]
}