Evaluates available resources.
Debugging
Authorization information
Request parameters
Parameter | Type | Required | Description | Example |
---|---|---|---|---|
DBType | string | Yes | The type of the database engine. Valid values:
| MySQL |
DBVersion | string | Yes | The version of the database engine
| 8.0 |
SubDomain | string | No | The subdomain. It is the child domain of the top-level domain name or parent domain. For example, if the parent domain name is cn-beijing, its child domain can be cn-beijing-i-aliyun. | cn-beijing-i-aliyun |
DBNodeClass | string | Yes | The specifications of the node. For information about node specifications, see the following topics:
| polar.mysql.x4.large |
DBInstanceConnType | string | No | The cluster link type. The backend randomly selects the default value. Valid values:
| lvs |
DispenseMode | string | No | Specifies whether to return the zones in which the single-zone deployment method is supported. Default value: 0. Valid values:
| 1 |
NeedMaxScaleLink | string | Yes | Specifies whether to create Maxscale. Valid values:
| true |
ResourceGroupId | string | No | The ID of the resource group. | rg-************ |
RegionId | string | Yes | The region ID. Note
You can call the DescribeRegions operation to query available regions.
| cn-hangzhou |
ZoneId | string | Yes | The zone ID. Note
You can call the DescribeRegions operation to query available zones.
| cn-hangzhou-g |
Response parameters
Examples
Sample success responses
JSON
format
{
"RequestId": "69A85BAF-1089-4CDF-A82F-0A140F******",
"DBInstanceAvailable": "true",
"DBType": "MySQL",
"DBVersion": "8.0"
}
Error codes
HTTP status code | Error code | Error message | Description |
---|---|---|---|
400 | InvalidDBType.Malformed | The Specified DBType is not valid. | The specified database type is invalid. |
400 | InvalidDBVersion.Malformed | The Specified DBVersion is not valid. | The specified DBVersion parameter is invalid. |
400 | InvalidDBNodeClass.Malformed | The specified parameter DBNodeClass is not valid. | The specified DBNodeClass parameter is invalid. |
404 | SubDomain.Malformed | The specified SubDomain does not exist or ZoneId is not valid. | The specified subdomain does not exist or the specified zone is invalid. |
404 | NeedMaxScaleLink.Malformed | The specified NeedMaxScaleLink is not valid. | The specified NeedMaxScaleLink parameter is invalid. |
For a list of error codes, visit the Service error codes.
Change history
Change time | Summary of changes | Operation |
---|---|---|
2023-09-12 | The Error code has changed | View Change Details |
2022-09-08 | Add Operation | View Change Details |