Granting an IAM User Permissions to Operate a Specific 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 (to list 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.

    Note

    Before granting this permission to a user, 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 also select other object actions to grant corresponding permissions if needed. The asterisk (*) indicates all actions.

    For details about the supported actions, see Actions.

  9. Click OK.