Querying Database Specifications¶
Function¶
This API is used to query the database specifications of a specified DB engine version.
Before calling an API, you need to understand the API in Authentication.
Before calling this API, obtain the required region and endpoint.
URI¶
URI format
GET https://{Endpoint}/v3/{project_id}/flavors/{database_name}?version_name={version_name}
Parameter description
¶ Name
Mandatory
Description
project_id
Yes
Specifies the project ID of a tenant in a region.
For details about how to obtain the project ID, see Obtaining a Project ID.
database_name
Yes
Specifies the DB engine name. Its value can be any of the following and is case-insensitive:
MySQL
PostgreSQL
SQLServer
version_name
No
Specifies the database version. For details about how to obtain the database version, see section Querying Version Information About a DB Engine. For details about the version, see DB Engines and Versions.
spec_code
No
Specifies the specification code.
Important
NOTICE: For Microsoft SQL Server, Only 2022_EE, 2019_EE and 2017_EE support the creation of read replicas and do not support the creation of single DB instances.
The format of the specification code is: {spec code}{instance mode}.
spec code can be obtained from DB Instance Classes.
instance mode can be any of the following:
For single DB instances, the value is null. Example spe_code: rds.mysql.n1.xlarge
For primary/standby DB instances, the value is .ha. Example spe_code: rds.mysql.n1.xlarge.ha
For read replicas, the value is .rr. Example spe_code: rds.mysql.n1.xlarge.rr
Request¶
Request parameters
None
Example
Response¶
Normal response
¶ Name
Type
Description
flavors
Array of objects
Indicates the DB instance specifications information list.
For details, see Table 3.
¶ Name
Type
Description
vcpus
String
Indicates the CPU size. For example, the value 1 indicates 1 vCPU.
ram
Integer
Indicates the memory size in GB.
id
String
Indicates the specification ID, which is unique.
spec_code
String
Indicates the resource specification code. Use rds.mysql.n1.xlarge.rr as an example.
rds: indicates the RDS product.
mysql: indicates the DB engine.
n1.xlarge: indicates the high memory performance specifications.
rr: indicates the read replica (.ha indicates primary/standby DB instances).
version_name
Array
Indicates the database version.
MySQL databases support 5.6, 5.7, and 8.0.
PostgreSQL databases support 9.5, 9.6, 10, 11, 12, 13, 14 and 15.
Microsoft SQL Server databases only support 2017_SE, 2017_EE, 2019_SE, 2019_EE, 2022_SE and 2022_EE.
Example value for MySQL: ["5.6","5.7","8.0"]
instance_mode
String
Indicates the DB instance type. Its value can be any of the following:
ha: indicates primary/standby DB instances.
replica: indicates read replicas.
single: indicates single DB instances.
az_status
Map<String, String>
Indicates the specification status in an AZ. Its value can be any of the following:
normal: indicates that the specifications in the AZ are available.
unsupported: indicates that the specifications are not supported by the AZ.
sellout: indicates that the specifications in the AZ are sold out.
az_desc
Map<String, String>
Indicates the description of the AZ to which the specifications belong.
group_type
String
Indicates the performance specifications. Its value can be any of the following:
normal: general-enhanced
general: general-purpose
dedicated
Example normal response
{ "flavors": [{ "vcpus": "1", "ram": 2, "id":"2988b9cc-2aac-3a94-898c-14666702f129", "spec_code": "rds.mysql.n1.large.ha", "version_name": ["5.6","5.7","8.0"], "instance_mode": "ha", "az_status": { "az1": "normal", "az2": "normal" }, "az_desc": { "az1": "az1", "az2": "az2" }, "group_type": "normal" }, { "vcpus": "1", "ram": 2, "id":"2988b9cc-2aac-3a94-898c-14666702f130", "spec_code": "rds.mysql.n1.large.rr", "version_name": ["5.6","5.7","8.0"], "instance_mode": "replica", "az_status": { "az1": "normal", "az2": "normal" }, "az_desc": { "az1": "az1", "az2": "az2" }, "group_type": "normal" } ] }
Abnormal response
For details, see Abnormal Request Results.
Status Code¶
Normal
200
Abnormal
For details, see Status Codes.
Error Code¶
For details, see Error Codes.