Attaches a policy to an object (RAM user, RAM user group, or RAM role). After you attach a policy to an object, the object has the operation permissions on the resources in a specific resource group or within a specific Alibaba Cloud account.

In this example, the policy AdministratorAccess is attached to the RAM user alice@demo.onaliyun.com and takes effect only for resources in the rg-9gLOoK**** resource group.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes AttachPolicy

The operation that you want to perform. Set the value to AttachPolicy.

ResourceGroupId String Yes rg-9gLOoK****

The effective scope of the policy. You can set the value to one of the following items:

  • ID of a resource group: The policy takes effect for the resources in the resource group.
  • ID of an Alibaba Cloud account: the ID of the Alibaba Cloud account to which the authorized object belongs. The policy takes effect for the resources within the Alibaba Cloud account.
PolicyType String Yes System

The type of the policy. Valid values:

  • Custom: custom policy
  • System: system policy
PolicyName String Yes AdministratorAccess

The name of the policy.

The name must be 1 to 128 characters in length and can contain letters, digits, and hyphens (-).

PrincipalType String Yes IMSUser

The type of the object to which you want to attach the policy. Valid values:

  • IMSUser: RAM user
  • IMSGroup: RAM user group
  • ServiceRole: RAM role
PrincipalName String Yes alice@demo.onaliyun.com

The name of the object to which you want to attach the policy.

  • If you want to attach the policy to a RAM user, specify the name in the <UserName>@<AccountAlias>.onaliyun.com format. <UserName> indicates the username of the RAM user, and <AccountAlias>.onaliyun.com indicates the default domain name.
  • If you want to attach the policy to a RAM user group, specify the name in the <GroupName>@<AccountAlias>.onaliyun.com format. <GroupName> indicates the name of the RAM user group, and <AccountAlias>.onaliyun.com indicates the default domain name.
  • If you want to attach the policy to a RAM role, specify the name in the <RoleName>@<AccountAlias>.onaliyun.com format. <RoleName> indicates the name of the RAM role, and <AccountAlias>.onaliyun.com indicates the default domain name.
Note You can call the GetDefaultDomain operation to obtain the default domain name.

For more information about common request parameters, see Common parameters.

Response parameters

Parameter Type Example Description
RequestId String 697852FB-50D7-44D9-9774-530C31EAC572

The ID of the request.

Examples

Sample requests

https://resourcemanager.aliyuncs.com/?Action=AttachPolicy
&PolicyName=AdministratorAccess
&PolicyType=System
&PrincipalName=alice@demo.onaliyun.com
&PrincipalType=IMSUser
&ResourceGroupId=rg-9gLOoK****
&<Common request parameters>

Sample success responses

XML format

HTTP/1.1 200 OK
Content-Type:application/xml

<?xml version="1.0" encoding="UTF-8" ?>
<AttachPolicyToUserResponse>
	<RequestId>697852FB-50D7-44D9-9774-530C31EAC572</RequestId>
</AttachPolicyToUserResponse>

JSON format

HTTP/1.1 200 OK
Content-Type:application/json

{
  "RequestId" : "697852FB-50D7-44D9-9774-530C31EAC572"
}

Error codes

HTTP status code Error code Error message Description
400 InvalidParameter.PolicyType The specified policy type is invalid. The error message returned because the policy type is invalid.
404 EntityNotExist.Policy The policy does not exist. The error message returned because the policy does not exist.
404 EntityNotExists.ResourceGroup The specified resource group does not exist. You must first create a resource group. The error message returned because the resource group does not exist. Create the resource group first.
409 Invalid.ResourceGroup.Status You cannot perform an operation on a resource group that is being created or deleted. The error message returned because you cannot perform the operation on a resource group that is being created or deleted.

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