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Qube! contains a permissions mechanism to allow administrators to control user access. The permissions are broken down into several classes:
- Administrative
- Submission
- Job Control
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Individual and group user permissions are specified using the user access list which is modified from from the QubeGUI User PermissionView or or by using the qbusers command.
In the WranglerView, the user groups are separated from the user by a ":".
Refer to qbusers for commandline examples.
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User permissions take precedence over group permissions. For example, if a user doesn't have permission to kill a job, even if their group permissions allow it, the user still won't be able to kill a job. A user with "administrator" or "impersonate" privileges is not subject to this restriction.
A common group permission scenario: set of users with a "group" administrator
You can use the Group permissions to create a set of users, and then make only certain users have the admin rights to this restricted set of users.
The trick is to add the user to the new group with no permissions. You'll end up with a user of the same name (but not in the group) with the same set of permissions as the [default] permission set. Then, grant the privileged user in that group the admin privilege.
The cmdline-equivalent is:
| No Format |
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jburk-15-mbPro:~ root# qbusers --add --group showA foo jburk ## neither user was explicitly granted privileges before this
modified group permissions
jburk-15-mbPro:~ root# qbusers --list
total 8
---l jc- krmpbuicseyqg-vftn [default]
asil jcg krmpbuicseyqgpvftn administrator
---- --- ------------------ bar
---l jc- krmpbuicseyqg-vftn foo [default]
---l jc- krmpbuicseyqg-vftn jburk [default]
asil jcg krmpbuicseyqgpvftn qube
asil jcg krmpbuicseyqgpvftn qubesupe
asil jcg krmpbuicseyqgpvftn root
asil jcg krmpbuicseyqgpvftn system
jburk-15-mbPro:~ root# qbusers --member
group total 8
[default]
-- ------------------ default
foo
-- ------------------ showa
jburk
-- ------------------ showa |
Notice that both users "jburk" and "foo" in the "showa" group have no "group" privilege. Both users still still have exactly the same privileges as if they weren't explictly granted privileges; they can't modify each other's jobs.
Then grant the 'admin' privilege to 'jburk', but only in the "showA" group, that user's privileges remain unchanged outside of that group.
| No Format |
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jburk-15-mbPro:python jburk$ qbusers --group showa --add --admin jburk
jburk-15-mbPro:~ root# qbusers --list
total 8
---l jc- krmpbuicseyqg-vftn [default]
asil jcg krmpbuicseyqgpvftn administrator
---- --- ------------------ bar
---l jc- krmpbuicseyqg-vftn foo [default]
---l jc- krmpbuicseyqg-vftn jburk [default]
asil jcg krmpbuicseyqgpvftn qube
asil jcg krmpbuicseyqgpvftn qubesupe
asil jcg krmpbuicseyqgpvftn root
asil jcg krmpbuicseyqgpvftn system
jburk-15-mbPro:~ root# qbusers --member
group total 8
[default]
-- ------------------ default
foo
-- ------------------ showa
jburk
a- ------------------ showa
jburk-15-mbPro:~ root# qbusers --group showA --drop foo
modified group permissions
jburk-15-mbPro:~ root# qbusers --list
total 7
---l jc- krmpbuicseyqg-vftn [default]
asil jcg krmpbuicseyqgpvftn administrator
---- --- ------------------ bar
---l jc- krmpbuicseyqg-vftn jburk [default]
asil jcg krmpbuicseyqgpvftn qube
asil jcg krmpbuicseyqgpvftn qubesupe
asil jcg krmpbuicseyqgpvftn root
asil jcg krmpbuicseyqgpvftn system |
Common Permission Actions
Users
List users and their permissions:
WranglerView: See the Users Layout for a hierarchical list
Command-line: qbusers –list--list
Add one or more users and assign permissions:
WranglerView: In User Layout, right-click and select "Add New User"
Command-line: (Use format for --add under changing a user's permissions)
Change a user's permissions:
WranglerView: In User Layout, select user, right-click "Change Permissions"
Command-line (Add Permission): qbusers --add permission [permission,…] user [user,…]
Note: the "--all" option will add all non-admin user permissions for the user
Command-line (Remove Permission): qbusers --delete permission [permission,…] user [user,…]
Delete a user:
WranglerView: In User Layout, select user, right-click "Remove User/Group"
Command-line: qbusers --drop user [user…]
Groups
List group membership:
WranglerView: See the Users Layout for a hierarchical list
Command-line: qbusers --member
Add User to a Group:
WranglerView: In User Layout, select user, right-click "Add User Group"
Command-line: qbusers --add --group group user [user,…]
Remove User from a Group:
WranglerView: In User Layout, select user group, right-click "Remove User/Group"
Commmand-line: qbusers --drop --group group user [user,…]
Change permissions to the user group:
WranglerView: In User Layout, select user group, right-click "Change Permissions"
Command-line (Add Permission): qbusers --group group --add permission [permission,…] user [user…]
Command-line (Remove Permission): qbusers --group group --delete permission [permission,…] user [user…]
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