| # -*- coding: utf-8 -*- | |
| ''' | |
| Module for defining new filter for sorting | |
| host names/alias by FQDN first and alphabetically | |
| ''' | |
| from jinja2 import Undefined | |
| def __virtual__(): | |
| return 'linux_hosts' | |
| def fqdn_sort_fn(n1, n2): | |
| l1 = n1.split('.') | |
| l2 = n2.split('.') | |
| if len(l1) > len(l2): | |
| return -1 | |
| if len(l1) < len(l2): | |
| return 1 | |
| for i1, i2 in zip(l1, l2): | |
| if i1 < i2: | |
| return -1 | |
| if i1 > i2: | |
| return 1 | |
| return 0 | |
| def fqdn_sort_filter(iterable): | |
| if iterable is None or isinstance(iterable, Undefined): | |
| return iterable | |
| # Do effective custom sorting of iterable here | |
| return sorted(set(iterable), cmp=fqdn_sort_fn) |