Creating a Source

Function

Creating a Source

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions. For details about the required permissions, see Permissions Policies and Supported Actions.

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. It can be obtained by calling the IAM API. The value of X-Subject-Token in the response header is the user token.

**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"
}