GetAlias - Function Compute - Alibaba Cloud Documentation Center

Queries the information about an alias.

Authorization information

There is currently no authorization information disclosed in the API.

Request syntax

GET /2021-04-06/services/{serviceName}/aliases/{aliasName}

Request parameters

Parameter	Type	Required	Description	Example
serviceName	string	Yes	The name of the service.	service_name
aliasName	string	Yes	The name of the alias.	alias_test
X-Fc-Account-Id	string	No	The ID of your Alibaba Cloud account.	188077086902****
X-Fc-Date	string	No	The time on which the function is invoked. The format of the value is: EEE,d MMM yyyy HH:mm:ss GMT.	Wed, 11 May 2022 09:00:00 GMT
X-Fc-Trace-Id	string	No	The trace ID of the invocation request of Function Compute.	r4isu4sls****

Response parameters

Parameter	Type	Description	Example
headers	object
ETag	string	The ETag that is used to query the alias. The value is used to ensure that the queries alias is consistent with the alias that is expected to be queried.	5e547e5605e1dc17a78a6191bc18fbc5
	object	The definition of an alias.
additionalVersionWeight	object	The additional version to which the alias points and the weight of the additional version. The additional version takes effect only when the function is invoked. The value consists of a version number and a specific weight. For example, 2:0.05 indicates that when a function is invoked, Version 2 is the canary release version, 5% of the traffic is distributed to the canary release version, and 95% of the traffic is distributed to the major version.
	float	The traffic weight. Valid values: 0 to 1.	1
aliasName	string	The name of the alias.	alias_test
createdTime	string	The time when the alias was created.	2020-07-27T06:37:29Z
description	string	The description of the alias.	test_description
lastModifiedTime	string	The time when the alias was last modified.	2020-07-27T06:37:29Z
versionId	string	The version to which the alias points.	2
resolvePolicy	string	The canary release mode. Valid values: Random: random canary release. This is the default value. Content: rule-based canary release.	Random
routePolicy	RoutePolicy	The canary release rule. Traffic that meets the canary release rule is routed to the canary release instance.

Examples

Sample success responses

JSONformat

{
  "additionalVersionWeight": {
    "key": 1
  },
  "aliasName": "alias_test",
  "createdTime": "2020-07-27T06:37:29Z",
  "description": "test_description",
  "lastModifiedTime": "2020-07-27T06:37:29Z",
  "versionId": "2",
  "resolvePolicy": "Random",
  "routePolicy": {
    "condition": "AND",
    "policyItems": [
      {
        "type": "Header",
        "key": "x-test-uid",
        "value": "11111",
        "operator": "="
      }
    ]
  }
}

Error codes

For a list of error codes, visit the Service error codes.

Change history

Change time

Summary of changes

Operation

2022-08-04

The response structure of the API operation changes.

Change item	Change content
Output Parameters	The response structure of the API operation changes.

2021-06-29

The input parameters of the API operation change.

Change item	Change content
Input Parameters	The input parameters of the API operation change.
	Added Input Parameters: X-Fc-Account-Id
	Added Input Parameters: X-Fc-Code-Checksum
	Added Input Parameters: X-Fc-Log-Type
	Added Input Parameters: X-Fc-Invocation-Type
	Added Input Parameters: X-Fc-Date
	Added Input Parameters: X-Fc-Trace-Id

2021-06-29

The input parameters of the API operation change.

Change item	Change content
Input Parameters	The input parameters of the API operation change.
	Added Input Parameters: X-Fc-Account-Id

2021-06-29

The input parameters of the API operation change.

Change item	Change content
Input Parameters	The input parameters of the API operation change.
	delete Input Parameters: X-Fc-Account-Id