Creating a Parameter Template

Function

This API is used to create a parameter template and configure the name, description, DB engine version, and parameter values in the parameter template.

Constraints

This API supports the following instance types:

GeminiDB Cassandra
GeminiDB Influx

The new parameter template cannot have the same name as any existing parameter template.

For configuration item values, you can enter system-defined parameters that allow for modification.

URI

POST /v3/{project_id}/configurations

**Table 1** URI parameter
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID of a tenant in a region. To obtain this value, see Obtaining a Project ID.

Request Parameters

**Table 2** Request header parameter
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token.

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
name	Yes	String	Parameter template name. It can include a maximum of 64 characters and can contain only uppercase letters, lowercase letters, digits, hyphens (-), underscores (_), and periods (.).
description	No	String	Parameter template description. It can contain a maximum of 256 characters except the following special characters: >!<"&'= The value is left blank by default.
values	No	Map<String,String>	Parameter values defined by users based on a default parameter template. Keep the parameter values unchanged by default.
datastore	Yes	ConfigurationDatastoreOption object	Database object.

**Table 4** ConfigurationDatastoreOption
Parameter	Mandatory	Type	Description
type	Yes	String	Database type. The value can be: cassandra: GeminiDB Cassandra instance influxdb: GeminiDB Influx instance
version	Yes	String	Database version. The value can be: 3.11: GeminiDB Cassandra instance 3.11 1.7, indicating that GeminiDB Influx 1.7 is supported.
mode	No	String	Instance type. This parameter is mandatory when you create a GeminiDB Cassandra instance with cloud native storage. InfluxdbSingle: single-node GeminiDB Influx instance CloudNativeCluster: GeminiDB Cassandra instance with cloud native storage

Response Parameters

Status code: 200

**Table 5** Response body parameter
Parameter	Type	Description
configuration	ConfigurationResult object	Parameter template information.

**Table 6** ConfigurationResult
Parameter	Type	Description
id	String	Parameter template ID.
name	String	Parameter template name.
datastore_version_name	String	Database version name.
datastore_name	String	Database name.
description	String	Parameter template description
created	String	Creation time in the yyyy-MM-ddTHH:mm:ssZ format.
updated	String	Update time in the yyyy-MM-ddTHH:mm:ssZ format.

Example Request

URI example

POST https://gaussdb-nosql.eu-west-101.myhuaweicloud.eu/v3/375d8d8fad1f43039e23d3b6c0f60a19/configurations

Creating a parameter template for GeminiDB Cassandra instances

{
  "name" : "configuration_test",
  "description" : "configuration_test",
  "values" : {
    "max_connections" : "10",
    "autocommit" : "OFF"
  },
  "datastore" : {
    "type" : "cassandra",
    "version" : "3.11"
  }
}

Example Response

Status code: 200

Success

{
  "configuration" : {
    "id" : "463b4b58d0e84e2b95605dea4552fdpr06",
    "name" : "configuration_test",
    "datastore_version_name" : "3.11",
    "datastore_name" : "cassandra",
    "description" : "configuration_test",
    "created" : "2020-03-09T08:27:56+0800",
    "updated" : "2020-03-09T08:27:56+0800"
  }
}