UpdateInstanceAttribute - Simple Application Server

Modifies the information of a simple application server, including the server name and the password that you use to log on to the server.

Operation description

Usage notes

After you change the password of a simple application server, you must restart the server by calling the RebootInstance operation to allow the new password to take effect.

QPS limits

You can call this API operation up to 10 times per minute per account. Requests that exceed this limit are dropped and you may experience service interruptions. We recommend that you take note of this limit when you call this operation. For more information, see QPS limits.

Debugging

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

Debug

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.

Operation	Access level	Resource type	Condition key	Associated operation
swas-open:UpdateInstanceAttribute	update	Instance acs:swas-open:{#regionId}:{#accountId}:instance/{#InstanceId}	none	none

Request parameters

Parameter	Type	Required	Description	Example
InstanceId	string	Yes	The ID of the simple application server.	ace0706b2ac4454d984295a94213****
RegionId	string	Yes	The region ID of the simple application server.	cn-hangzhou
Password	string	No	The new password of the simple application server. The password must be 8 to 30 characters in length and contain at least three of the following character types: uppercase letters, lowercase letters, digits, and special characters. The password can contain the following special characters: ()`~!@#$%^&-_+=\|{}[]:;'<>,.?/ For Windows instances, the password cannot start with a forward slash (/). Note* For security reasons, we recommend that you use HTTPS to send requests if the `Password parameter` is specified.	Test123!
InstanceName	string	No	The name of the simple application server. The name must be 2 to 128 characters in length. It must start with a letter but cannot start with `http://` or `https://`. The name can only contain letters, digits, colons (:), underscores (_), periods (.), and hyphens (-).	test-InstanceName
ClientToken	string	No	The client token that is used to ensure the idempotence of the request. You can use the client to generate the token, but you must make sure that the token is unique among different requests. The value of ClientToken can contain only ASCII characters and cannot exceed 64 characters in length. For more information, see How to ensure idempotence.	123e4567-e89b-12d3-a456-426655440000

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The request ID.	20758A-585D-4A41-A9B2-28DA8F4F534F

Examples

Sample success responses

JSONformat

{
  "RequestId": "20758A-585D-4A41-A9B2-28DA8F4F534F"
}

Error codes

HTTP status code	Error code	Error message
400	InvalidPassword.ValueNotSupported	The specified parameter Password is invalid.
400	InvalidInstanceName.ValueNotSupported	The specified parameter InstanceName is invalid.
400	RegionIdNotMatchHost	The parameter regionId does not match the endpoint host.
404	InvalidInstanceId.NotFound	The specified InstanceId does not exist.
500	InternalError	An error occurred while processing your request.

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

Change history

Change time	Summary of changes	Operation
2023-09-18	API Description Update. The Error code has changed	View Change Details