doc-exports/docs/obs/umn/obs_03_0080.html

Granting an IAM User with the Operation Permissions for a Specified Bucket

Create an IAM user under in an account. The IAM user has no permission to any resource before it is added to any user group. The bucket owner (root account) or other accounts and IAM users, who have the permission to set bucket policies, can configure bucket policies to grant the bucket operation permissions to IAM users.

The following is an example about how to grant an IAM user the bucket access and object upload permissions.

Procedure

1. In the bucket list, click the bucket you want to operate. The Overview page is displayed.
2. In the navigation pane, choose Permissions.
3. Choose Bucket Policies > Custom Bucket Policies.
4. Click Create Bucket Policy. The Create Bucket Policy dialog box is displayed.
5. Configure parameters listed in the table below to grant an IAM user the permission to access the bucket (listing objects in the bucket).

   Table 1 Parameters for granting permission to access a bucket

   Parameter	Value
   Policy Mode	Customized
   Effect	Allow
   Principal	Include Cloud service user. Select the current account, and in the account, select the IAM user to be authorized.
   Resources	Include Leave it blank.
   Actions	Include ListBucket

6. Click OK.
7. Click Create Bucket Policy. The Create Bucket Policy dialog box is displayed.
8. Configure parameters in the table below to grant an IAM user the permission to upload objects to a bucket.
   

   Before authorizing the IAM user with the permission to operate objects, ensure that the user has the permission to access the bucket.

   Table 2 Parameters for granting permission to upload objects

   Parameter	Value
   Policy Mode	Customized
   Effect	Allow
   Principal	Include Cloud service user. Select the current account, and in the account, select the IAM user to be authorized.
   Resources	Include Resource name: *
   Actions	Include PutObject NOTE: In this example, only the permission to upload objects is granted. You can select multiple actions and granting other operation permissions to the IAM user The asterisk (*) indicates all operations. For details about the supported actions, see Actions.

9. Click OK.

Parent topic: Application Cases