Help Center > > User Guide> IAM Permissions Management> Creating a User and Granting Permissions

Creating a User and Granting Permissions

Updated at: Apr 28, 2020 GMT+08:00

This chapter describes how to use IAM to implement fine-grained permissions control for your MRS resources. With IAM, you can:

  • Create IAM users for employees based on your enterprise's organizational structure. Each IAM user will have their own security credentials for accessing MRS resources.
  • Grant only the permissions required for users to perform a specific task.
  • Entrust a HUAWEI CLOUD account or cloud service to perform efficient O&M on your MRS resources.

If your HUAWEI CLOUD account does not require individual IAM users, skip this chapter.

This section describes the procedure for granting permissions (see Figure 1).

Prerequisites

Learn about the permissions (see Permissions Management) supported by MRS and choose policies or roles according to your requirements. For the permissions of other services, see System Permissions.

Process Flow

Figure 1 Process for granting MRS permissions
  1. Create a user group and assign permissions to it.

    Create a user group on the IAM console, and assign MRS permissions to the group.

  2. Create an IAM user.

    Create a user on the IAM console and add the user to the group created in 1. Create a user group and assign permissions to it.

  3. Log in and verify permissions.

    Log in to the console by using the user created, and verify that the user has the granted permissions.

    • Choose Service List > MapReduce Service. Then click Buy Cluster on the MRS console. If a message appears indicating that you have insufficient permissions to perform the operation, the MRS ReadOnlyAccess policy has already taken effect.
    • Choose any other service in Service List. If a message appears indicating that you have insufficient permissions to access the service, the MRS ReadOnlyAccess policy has already taken effect.

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