Modifying the Extended Information About a Microservice Instance

Function

This API is used to add or update the extended information about a microservice instance based on instance_id after the instance is registered.

Restrictions

None

URI

PUT /v4/{project_id}/registry/microservices/{service_id}/instances/{instance_id}/properties

**Table 1** Path parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	For a professional microservice engine, enter the tenant project ID. The value contains 1 to 64 characters. See Obtaining a Project ID. You can also enter the fixed value default. For an exclusive microservice engine, enter the fixed value default.
service_id	Yes	String	Microservice ID, which must be unique. The value contains 1 to 64 characters. Regular expression: ^.*$. See Querying Information About All Microservices.
instance_id	Yes	String	Microservice instance ID, which must be unique. The value contains 1 to 64 characters. Regular expression: ^[A-Za-z0-9_.-]*$. See Querying a Microservice Instance Based on service_id.

Request

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
Authorization	No	String	This parameter is mandatory if security authentication is enabled for an exclusive microservice engine. Otherwise, this parameter is not required. The token of an exclusive microservice engine with security authentication enabled is in the following format: Authorization:Bearer {Token} For details about how to obtain the token, see Obtaining the User Token of an Exclusive Microservice Engine.
X-consumerId	No	String	Microservice consumer ID, which must be unique.

**Table 3** Request body parameter
Parameter	Mandatory	Type	Description
properties	No	Object	Extended attribute. You can customize a key and value. The value must be at least 1 byte long.

Response

Status code: 400

**Table 4** Response body parameters
Parameter	Type	Description
errorCode	String	Error code.
errorMessage	String	Error message.
detail	String	Location details.

Status code: 500

**Table 5** Response body parameters
Parameter	Type	Description
errorCode	String	Error code.
errorMessage	String	Error message.
detail	String	Location details.

Example Request

Update the extended information of an instance with specified instance_id to "attr1": "b".

PUT https://{endpoint}/v4/{project_id}/registry/microservices/{service_id}/instances/{instance_id}/properties

{
  "properties" : {
    "attr1" : "b"
  }
}