UpdateAlias - Function Compute - Alibaba Cloud Documentation Center

Debugging

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Request headers

This operation uses only common request headers. For more information, see Common parameters.

Request syntax

PUT /services/{serviceName}/aliases/{aliasName}

Request parameters

Parameter	Type	Position	Required	Example	Description
serviceName	String	Path	Yes	service_name	The name of the service.
aliasName	String	Path	Yes	alias_test	The name of the alias.
	Object	Body	No		The definition of the alias.
additionalVersionWeight	Map	Body	No		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 the corresponding weight. For example, 2:0.05 indicates that when a function is invoked, version 2 is the additional version, 5% of the traffic is distributed to the additional version, and 95% of the traffic is distributed to the major version.
	Float	Body	No	1	The traffic weight. Valid values: 0 to 1.
description	String	Body	No	test_description	The description of the alias.
versionId	String	Body	No	2	The version to which the alias points.

Response parameters

Parameter	Type	Example	Description
additionalVersionWeight	Map		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 the corresponding weight. For example, 2:0.05 indicates that when a function is invoked, version 2 is the additional version, 5% of the traffic is distributed to the additional version, and 95% of the traffic is distributed to the major version.
	Float	1	The traffic weight. Valid values: 0 to 1.
aliasName	String	alias_test	The name of the alias.
createdTime	String	2020-07-27T06:37:29Z	The time when the alias was created.
description	String	test_description	The description of the alias.
lastModifiedTime	String	2020-07-27T06:37:29Z	The last time when the alias was updated.
serviceName	String	service_name	The name of the service.
versionId	String	2	The version to which the alias points.

Examples

Sample requests

PUT /2016-08-15/services/service_name/aliases/alias_test HTTP/1.1
Common request headers
{
    "versionId":"2",
    "description":"test_description"
}

Sample success responses

JSON format

HTTP/1.1 200 OK
Common response headers
{
  "aliasName": "alias_test",
  "versionId": "2",
  "description": "test_description",
  "additionalVersionWeight": null,
  "createdTime": "2020-07-27T06:37:29Z",
  "lastModifiedTime": "2020-07-27T06:37:29Z"
}

Error codes

For a list of error codes, visit the API Error Center.