The openstack_dashboard.policy_backend Module

Policy engine for Horizon

openstack_dashboard.policy_backend.check(actions, request, target=None)

Check user permission.

Check if the user has permission to the action according to policy setting.

Parameters:

• actions –

  list of scope and action to do policy checks on, the composition of which is (scope, action)

  • scope: service type managing the policy for action
  • action: string representing the action to be checked

    this should be colon separated for clarity. i.e.

    compute:create_instance

    compute:attach_volume

    volume:attach_volume

  for a policy action that requires a single action, actions should look like

  “((“compute”, “compute:create_instance”),)”

  for a multiple action check, actions should look like

  “((“identity”, “identity:list_users”),

  (“identity”, “identity:list_roles”))”

• request – django http request object. If not specified, credentials must be passed.
• target – dictionary representing the object of the action for object creation this should be a dictionary representing the location of the object e.g. {‘project_id’: object.project_id}

Returns:

boolean if the user has permission or not for the actions.

openstack_dashboard.policy_backend.reset()