Permissions Management

Updated on 2022-06-29 GMT+08:00

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If you need to assign different permissions to employees in your enterprise to access your VBS resources, IAM is a good choice for fine-grained permissions management. IAM provides identity authentication, permissions management, and access control, helping you secure access to your HUAWEI CLOUD resources.

With IAM, you can use your HUAWEI CLOUD account to create IAM users for your employees, and assign permissions to the users to control their access to specific resource types. For example, some software developers in your enterprise need to use VBS resources but should not be allowed to delete the resources or perform any other high-risk operations. In this scenario, you can create IAM users for the software developers and grant them only the permissions required for using VBS resources.

If your HUAWEI CLOUD account does not require individual IAM users for permissions management, skip this section.

IAM can be used free of charge. You pay only for the resources in your account. For more information about IAM, see IAM Service Overview.

VBS Permissions

By default, new IAM users do not have permissions assigned. You need to add a user to one or more groups, and attach permissions policies or roles to these groups. Users inherit permissions from the groups to which they are added and can perform specified operations on cloud services based on the permissions.

VBS is a project-level service deployed and accessed in specific physical regions. To assign VBS permissions to a user group, specify the scope as region-specific projects and select projects (such as ap-southeast-2) for the permissions to take effect. If All projects is selected, the permissions will take effect for the user group in all region-specific projects. When accessing VBS, the users need to switch to a region where they have been authorized to use this service.

Table 1 describes the system-defined role supported by VBS. The role is dependent on other roles and needs to be used together with them to take effect.

**Table 1** System-defined role supported by VBS
Policy Name	Description	Dependencies
VBS Administrator	Administrator permissions for VBS	This role is dependent on the Server Administrator role. Tenant Guest: A global role, which must be assigned in the global project.

Table 2 lists the common operations supported by each system-defined policy or role of VBS. Select the policies or roles as required.

**Table 2** Common operations supported by each system-defined policy or role of VBS
Operation	Server Administrator
Creating backups	√
Deleting backups	√
Restoring a disk using a VBS backup	√
Creating a disk using a VBS backup	√

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