Enables or disables password-free access for a Tair (Redis OSS-compatible) instance. When the password-free access feature is enabled, Elastic Compute Service (ECS) instances in the same virtual private cloud (VPC) can connect to the Tair (Redis OSS-compatible) instance without using a password. You can also use the username and password to connect to the Tair (Redis OSS-compatible) instance.
Operation description
When the password-free access feature is enabled, Elastic Compute Service (ECS) instances in the same virtual private cloud (VPC) can connect to the ApsaraDB for Redis instance without a password. You can also use the username and password to connect to the ApsaraDB for Redis instance.
Debugging
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 Resourcesis 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 |
|---|---|---|---|---|
| kvstore:ModifyInstanceVpcAuthMode | update | *DBInstance acs:kvstore:{#regionId}:{#accountId}:instance/{#instanceId} |
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| InstanceId | string | Yes | The ID of the instance. | r-bp1zxszhcgatnx**** |
| VpcAuthMode | string | Yes | Specifies whether to disable password-free access. Valid values:
** Description Default value: Open. | Close |
Response parameters
Examples
Sample success responses
JSONformat
{
"RequestId": "ABAF95F6-35C1-4177-AF3A-70969EBD****"
}Error codes
| HTTP status code | Error code | Error message | Description |
|---|---|---|---|
| 403 | ParamNotSupportedForCurrentVersion | Parameter is not supported for current version. | The error message returned because modifications to parameter values are not supported for the current engine version. |
For a list of error codes, visit the Service error codes.
Change history
| Change time | Summary of changes | Operation |
|---|