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7.7. Hosts and Permissions
7.7.1. Managing System Permissions for a Host
As the SuperUser, the system administrator manages all aspects of the Administration Portal. More specific administrative roles can be assigned to other users. These restricted administrator roles are useful for granting a user administrative privileges that limit them to a specific resource. For example, a DataCenterAdmin role has administrator privileges only for the assigned data center with the exception of the storage for that data center, and a ClusterAdmin has administrator privileges only for the assigned cluster.
A host administrator is a system administration role for a specific host only. This is useful in clusters with multiple hosts, where each host requires a system administrator. You can use the Configure button in the header bar to assign a host administrator for all hosts in the environment.
The host administrator role permits the following actions:
- Edit the configuration of the host.
- Set up the logical networks.
- Remove the host.
You can also change the system administrator of a host by removing the existing system administrator and adding the new system administrator.
7.7.2. Host Administrator Roles Explained
Host Permission Roles
The table below describes the administrator roles and privileges applicable to host administration.
Table 7.11. Red Hat Virtualization System Administrator Roles
| Role | Privileges | Notes |
|---|---|---|
| HostAdmin | Host Administrator | Can configure, manage, and remove a specific host. Can also perform network-related operations on a specific host. |
7.7.3. Assigning an Administrator or User Role to a Resource
Assign administrator or user roles to resources to allow users to access or manage that resource.
Procedure 7.21. Assigning a Role to a Resource
- Use the resource tabs, tree mode, or the search function to find and select the resource in the results list.
- Click the tab in the details pane to list the assigned users, the user's role, and the inherited permissions for the selected resource.
- Click .
- Enter the name or user name of an existing user into the Search text box and click . Select a user from the resulting list of possible matches.
- Select a role from the Role to Assign: drop-down list.
- Click .
You have assigned a role to a user; the user now has the inherited permissions of that role enabled for that resource.
7.7.4. Removing an Administrator or User Role from a Resource
Remove an administrator or user role from a resource; the user loses the inherited permissions associated with the role for that resource.
Procedure 7.22. Removing a Role from a Resource
- Use the resource tabs, tree mode, or the search function to find and select the resource in the results list.
- Click the tab in the details pane to list the assigned users, the user's role, and the inherited permissions for the selected resource.
- Select the user to remove from the resource.
- Click . The Remove Permission window opens to confirm permissions removal.
- Click .
You have removed the user's role, and the associated permissions, from the resource.
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