Creating a Parameter Template

Description

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

Constraints

• This API applies only to DDS Community Edition.
• The name of the custom parameter template is case-sensitive and must be different from the name of an existing or a default parameter template.
• The value of parameter_values in the parameter template must be within the default value range of the specified database version. For details about the range of parameter values, see Editing a Parameter Template in Document Database Service User Guide.

URI

• URI format

  POST /v3/{project_id}/configurations

• URI example

  https://dds.ap-southeast-1.myhuaweicloud.com/v3/056538411200d4cd2f79c003c7606412/configurations

Request Parameters

• Parameter description

  Table 2 Request body parameters

  Parameter	Type	Mandatory	Description
  name	String	Yes	Definition Parameter template name. Constraints The template name can contain 1 to 64 characters. Only letters (case-sensitive), digits, hyphens (-), underscores (_), and periods (.) are allowed. Range N/A Default Value N/A
  description	String	Yes	Definition Parameter template description. Constraints The description can consist of up to 256 characters. It cannot contain carriage returns or any of the following special characters: >!<"&'= Range N/A Default Value The value is left blank by default.
  parameter_values	Map<String,String>	Yes	Definition Mapping between parameter names and parameter values. You can customize parameter values based on the parameters in the default parameter template. Constraints N/A Range N/A Default Value N/A
  datastore	Object	Yes	Definition Database object. For details, see Table 3. Constraints N/A Range N/A Default Value N/A

  Table 3 Data structure description of the datastore field

  Name	Type	Mandatory	Description
  node_type	String	Yes	Definition Node type of parameter template node_type. Constraints N/A Range mongos: the mongos node type. shard: the shard node type. config: the config node type. replica: the replica set type. readonly: the read replica type of a replica set instance. shard_readonly: the read replica type of a cluster instance. single: the single node type. Default Value N/A
  version	String	Yes	Definition Database version. Constraints N/A Range The value can be 5.0, 4.4, 4.2, 4.0, and 3.4. Default Value N/A

Example Requests

{ 
  "name" : "myparameter", 
  "description" : "parameter1", 
  "datastore" : { 
    "node_type" : "shard", 
    "version" : "3.4" 
  }, 
  "parameter_values" : { 
    "max_connections" : "10" 
  } 
}

Response Parameters

• Parameter description

  Table 4 Response body parameters

  Name	Type	Description
  configuration	ParamGroupInfoResult object	Definition The parameter template list. Range N/A

  Table 5 configuration field data structure description

  Name	Type	Description
  id	String	Definition Parameter template ID Range N/A
  name	String	Definition Parameter template name Range N/A
  description	String	Definition Parameter template description. Range N/A
  datastore_version	String	Definition Database version. Range N/A
  datastore_name	String	Definition Database type. Range N/A
  created	String	Definition Creation time in the "yyyy-MM-ddTHH:mm:ssZ" format. T is the separator between the calendar and the hourly notation of time. Z indicates the time zone offset. Range N/A
  updated	String	Definition Update time in the "yyyy-MM-ddTHH:mm:ssZ" format. T is the separator between the calendar and the hourly notation of time. Z indicates the time zone offset. Range N/A

• Example Responses

  {
    "configuration": {
      "id": "7b4e07852bd54016906e89461b3182cdpr02",
      "name": "myparameter",
      "description": "parameter1",
      "datastore_version": "3.4",
      "datastore_name": "mongodb",
      "created": "2018-09-19T02:54:21",
      "updated": "2018-09-19T02:54:21"
    }
  }

Status Code

For more information, see Status Code.

Error Code

For more information, see Error Code.