Creating a Source

Function

Creating a Source

URI

POST /v2/{project_id}/link/instances/{instance_id}/rules/{rule_id}/sources

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. The default value is default for compatibility with 20.0.Project ID. For details about how to get the project ID, see "Appendix" > "Obtaining a Project ID" in this document.
instance_id	Yes	String	Instance ID. The default value is default for compatibility with 20.0.
rule_id	Yes	String	Rule ID.

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token, which can be obtained by calling the IAM API (value of X-Subject-Token in the response header).

**Table 3** Request body parameters
Parameter	Mandatory	Type	Description
product_id	Yes	Integer	Product ID, which is automatically rounded down. When the rule source is set to a product, no group can be configured.
device_id	No	Integer	Device ID. The value is automatically rounded down. If this parameter is left blank, all devices are queried.
group_id	No	Integer	Device ID, which is automatically rounded down. When the rule source is set to a group, no product can be configured.
topic	Yes	String	Topic. If the device ID is empty, the topic is a product-level (device group) topic. If the device ID is not empty, the topic is a device-level topic.
is_base64	No	Integer	Whether the payload uses Base64 encoding. 0: yes 1: no
contain_device_info	No	Integer	Whether device information is included. 0: yes 1: no

Response Parameters

Status code: 201

**Table 4** Response body parameters
Parameter	Type	Description
source_id	Integer	Data source ID at the source.
product_id	Integer	Product ID.
group_id	Integer	Device group ID.
device_id	Integer	Device ID. If this parameter is left blank, all devices are queried.
topic	String	Topic. If the device ID is left empty, the topic is a product-level topic. If the device ID is not left empty, the topic is a device-level topic.
device_name	String	Device name.
product_name	String	Product name.
group_name	String	Device group name.
is_base64	Integer	Whether the payload uses Base64 encoding. 0: yes 1: no
contain_device_info	Integer	Whether device information is included. 0: yes 1: no

Status code: 400

**Table 5** Response body parameters
Parameter	Type	Description
error_code	String	System error code, which is the detailed error code of HTTP error codes 4xx and 5xx.
error_msg	String	Error description.
request_id	String	Message ID.

Status code: 404

**Table 6** Response body parameters
Parameter	Type	Description
error_code	String	System error code, which is the detailed error code of HTTP error codes 4xx and 5xx.
error_msg	String	Error description.
request_id	String	Message ID.

Status code: 500

**Table 7** Response body parameters
Parameter	Type	Description
error_code	String	System error code, which is the detailed error code of HTTP error codes 4xx and 5xx.
error_msg	String	Error description.
request_id	String	Message ID.

Example Requests

Add a topic of a specified device as the source which is not Base64-encoded for a specified rule.

{
  "product_id" : 100001,
  "device_id" : 200001,
  "topic" : "/v1/3ds234242/datas",
  "is_base64" : 0,
  "contain_device_info" : 0
}

Example Responses

Status code: 201

Created

{
  "source_id" : 35296,
  "product_id" : 122893,
  "device_id" : 711568,
  "topic" : "/v1/devices/214/datas",
  "device_name" : "device",
  "product_name" : "product",
  "is_base64" : 0,
  "contain_device_info" : 0
}

Status code: 400

Bad Request

{
  "error_code" : "SCB.00000000",
  "error_msg" : "Parameter is not valid for operation [romalink.link-rulesrc.save]. Parameter is [rule_oid]. Processor is [path].",
  "request_id" : "cb39e78a-afd3-4e04-901d-70468b1c23dc-1619602712496-cnnorth7a-P-romalink-service01"
}

Status code: 404

Not Found

{
  "error_code" : "ROMA.00110006",
  "error_msg" : "The resource does not exist. Check whether the resource ID 1 is correct.",
  "request_id" : "13984193-ca65-4954-9b7f-4b7d680399d6-1619678681445-cnnorth7a-P-romalink-service01"
}

Status code: 500

Internal Server Error

{
  "error_code" : "ROMA.00110002",
  "error_msg" : "The instance does not exist. project_id: 397cd10b30544c588b2f4a56d83856c4, instance_id: f3bb386a-23ec-47aa-9943-4c60ac658611",
  "request_id" : "c8c06d0a-be92-4fdf-9d10-bc20131ab158-1619593104919-cnnorth7a-P-romalink-service01"
}