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Ru, Li Yi d804d7d1be ddm_api

Reviewed-by: Boka, Ladislav <ladislav.boka@t-systems.com>
Co-authored-by: Ru, Li Yi <liyiru7@huawei.com>
Co-committed-by: Ru, Li Yi <liyiru7@huawei.com>

2024-04-09 12:27:54 +00:00

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Querying Parameters of a Specified DDM Instance

Function

This API is used to query parameters of a specified DDM instance.

Constraints

None

URI

GET /v3/{project_id}/instances/{instance_id}/configurations?offset={offset}&limit={limit}

**Table 1** Path parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID of a tenant in a region
instance_id	Yes	String	DDM instance ID

**Table 2** Query parameters
Parameter	Mandatory	Type	Description
offset	No	Integer	Index offset. The query starts from the next piece of data indexed by this parameter. The value is 0 by default. The value must be a positive integer.
limit	No	Integer	A maximum of parameters to be queried. Value range: 1 to 128. If the parameter value is not specified, 10 parameters are queried by default.

Request Parameters

**Table 3** Request header parameters
Parameter	Mandatory	Type	Description
X-Language	No	String	Language.
X-Auth-Token	Yes	String	User token. It can be obtained by calling an IAM API. The value of X-Subject-Token in the response header is the user token.

Response Parameters

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
updated	String	Time when DDM instance parameters are last updated
configuration_parameter	Array of ConfigurationParameterList objects	Information about DDM instance parameters
offset	Integer	Which page the server starts returning items
limit	Integer	Number of records displayed on each page
total	Integer	Total collections

**Table 5** ConfigurationParameterList
Parameter	Type	Description
name	String	Parameter name
value	String	Parameter value
need_restart	String	Whether the instance needs to be restarted
read_only	String	Whether the parameter is read-only
value_range	String	Parameter value range
data_type	String	Parameter type
description	String	Parameter description

Status code: 400

**Table 6** Response body parameters
Parameter	Type	Description
errCode	String	Service error code
externalMessage	String	Error message

Status code: 500

**Table 7** Response body parameters
Parameter	Type	Description
errCode	String	Service error code
externalMessage	String	Error message

Example Request

GET https://{endpoint}/v3/{project_id}/instances/{instance_id}/configurations

Example Response

Status code: 200

{
  "updated" : "2021-11-09 03:26:52",
  "configuration_parameter" : [ {
    "name" : "temp_table_size_limit",
    "value" : "1000000",
    "need_restart" : "0",
    "read_only" : "0",
    "value_range" : "500000-2000000000",
    "data_type" : "integer",
    "description" : "Maximum size of the temporary table."
  } ],
  "offset" : 0,
  "limit" : 128,
  "total" : 22
}

Status code: 400

bad request

{
  "externalMessage" : "Parameter error.",
  "errCode" : "DBS.280001"
}

Status code: 500

server error

{
  "externalMessage" : "Server failure.",
  "errCode" : "DBS.200412"
}

Status Codes

Status Code	Description
200	OK
400	bad request
500	server error

Error Codes

For details, see Error Codes.

Parent topic: DDM Instances

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