mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-29 16:20:35 +00:00
66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
|
# (c) 2013, Bradley Young <young.bradley@gmail.com>
|
||
|
|
# (c) 2012-17 Ansible Project
|
||
|
|
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
|
||
|
|
from __future__ import (absolute_import, division, print_function)
|
||
|
|
__metaclass__ = type
|
||
|
|
|
||
|
|
DOCUMENTATION = """
|
||
|
|
lookup: together
|
||
|
|
author: Bradley Young <young.bradley@gmail.com>
|
||
|
|
version_added: '1.3'
|
||
|
|
short_description: merges lists into synchronized list
|
||
|
|
description:
|
||
|
|
- Creates a list with the iterated elements of the supplied lists
|
||
|
|
- "To clarify with an example, [ 'a', 'b' ] and [ 1, 2 ] turn into [ ('a',1), ('b', 2) ]"
|
||
|
|
- This is basically the same as the 'zip_longest' filter and Python function
|
||
|
|
- Any 'unbalanced' elements will be substituted with 'None'
|
||
|
|
options:
|
||
|
|
_terms:
|
||
|
|
description: list of lists to merge
|
||
|
|
required: True
|
||
|
|
"""
|
||
|
|
|
||
|
|
EXAMPLES = """
|
||
|
|
- name: item.0 returns from the 'a' list, item.1 returns from the '1' list
|
||
|
|
debug:
|
||
|
|
msg: "{{ item.0 }} and {{ item.1 }}"
|
||
|
|
with_together:
|
||
|
|
- ['a', 'b', 'c', 'd']
|
||
|
|
- [1, 2, 3, 4]
|
||
|
|
"""
|
||
|
|
|
||
|
|
RETURN = """
|
||
|
|
_list:
|
||
|
|
description: synchronized list
|
||
|
|
"""
|
||
|
|
from ansible.errors import AnsibleError
|
||
|
|
from ansible.module_utils.six.moves import zip_longest
|
||
|
|
from ansible.plugins.lookup import LookupBase
|
||
|
|
from ansible.utils.listify import listify_lookup_plugin_terms
|
||
|
|
|
||
|
|
|
||
|
|
class LookupModule(LookupBase):
|
||
|
|
"""
|
||
|
|
Transpose a list of arrays:
|
||
|
|
[1, 2, 3], [4, 5, 6] -> [1, 4], [2, 5], [3, 6]
|
||
|
|
Replace any empty spots in 2nd array with None:
|
||
|
|
[1, 2], [3] -> [1, 3], [2, None]
|
||
|
|
"""
|
||
|
|
|
||
|
|
def _lookup_variables(self, terms):
|
||
|
|
results = []
|
||
|
|
for x in terms:
|
||
|
|
intermediate = listify_lookup_plugin_terms(x, templar=self._templar, loader=self._loader)
|
||
|
|
results.append(intermediate)
|
||
|
|
return results
|
||
|
|
|
||
|
|
def run(self, terms, variables=None, **kwargs):
|
||
|
|
|
||
|
|
terms = self._lookup_variables(terms)
|
||
|
|
|
||
|
|
my_list = terms[:]
|
||
|
|
if len(my_list) == 0:
|
||
|
|
raise AnsibleError("with_together requires at least one element in each list")
|
||
|
|
|
||
|
|
return [self._flatten(x) for x in zip_longest(*my_list, fillvalue=None)]
|