code: def _determine_ctxt(self):
          
          if config('aa-profile-mode') in ['disable', 'enforce', 'complain']:
              ctxt = {'aa_profile_mode': config('aa-profile-mode'),
                      'ubuntu_release': lsb_release()['DISTRIB_RELEASE']}
              if self.aa_profile:
                  ctxt['aa_profile'] = self.aa_profile
          else:
              ctxt = None
          return ctxt
docs: Validate aa-profile-mode settings is disable, enforce, or complain.
  
          :return ctxt: Dictionary of the apparmor profile or None