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Function Compute:PutFunctionOnDemandConfig

Last Updated:Sep 19, 2024

Creates a function rule.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • The required resource types are displayed in bold characters.
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
fc:PutFunctionOnDemandConfig
  • All Resources
    *
    none
none

Request syntax

PUT /2021-04-06/services/{serviceName}/functions/{functionName}/on-demand-config

Request parameters

ParameterTypeRequiredDescriptionExample
serviceNamestringYes

The name of the service.

demo-service
functionNamestringYes

The name of the function.

demo-function
qualifierstringYes

The service alias or latest version. Other versions are not supported.

prod
bodyobjectNo

The request body.

maximumInstanceCountlongYes

The maximum number of on-demand instances. For more information, see Configure provisioned instances and auto scaling rules.

10
If-MatchstringNo

If the ETag specified in the request matches the ETag value of the object, the object and 200 OK are returned. Otherwise, 412 Precondition Failed is returned.

e19d5cd5af0378da05f63f891c7467af
X-Fc-Account-IdstringNo

The ID of your Alibaba Cloud account.

188077086902****
X-Fc-DatestringNo

The time when the function is invoked. The value is in the EEE,d MMM yyyy HH:mm:ss GMT format.

Wed, 11 May 2022 09:00:00 GMT
X-Fc-Trace-IdstringNo

The unique ID of the trace.

r9s89isisi****

Response parameters

ParameterTypeDescriptionExample
headersobject
ETagstring

The identifier of the current on-demand configuration. This parameter is used to provide conditional verification (If-Match) when you modify the configuration. If the ETag that is passed in is different from the actual ETag, a 412 PreconditionFailed error is returned.

e19d5cd5af0378da05f63f891c7467af
object

The response body.

resourcestring

The description of the resource.

12345#servierName#qualifier#functionName
maximumInstanceCountlong

The maximum number of instances.

10

Examples

Sample success responses

JSONformat

{
  "resource": "12345#servierName#qualifier#functionName",
  "maximumInstanceCount": 10
}

Error codes

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

Change history

Change timeSummary of changesOperation
2021-06-30The internal configuration of the API is changed, but the call is not affectedView Change Details
2021-06-30The request parameters of the API has changedView Change Details
2021-06-30The request parameters of the API has changedView Change Details
2021-06-30The request parameters of the API has changedView Change Details