'Creates a cgsnapshot.'

@pure_driver_debug_trace
def create_cgsnapshot(self, context, cgsnapshot, snapshots):

    cg_id = self._get_group_id_from_snap(cgsnapshot)
    pgroup_name = self._get_pgroup_name_from_id(cg_id)
    pgsnap_suffix = self._get_pgroup_snap_suffix(cgsnapshot)
    current_array = self._get_current_array()
    current_array.create_pgroup_snapshot(pgroup_name, suffix=pgsnap_suffix)
    return (None, None)
