community.general/lib/ansible/plugins/lookup/nested.py
James Cammarata 5266679964 Use templar all the way down
Fixes bugs related to creating Templar() objects on the fly, where
the shared loader objects (serialized to TaskExecutor) aren't used
so information loaded into plugin loaders after forking is lost.

Fixes #11815
2015-08-04 12:25:53 -04:00

58 lines
2.1 KiB
Python

# (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from jinja2.exceptions import UndefinedError
from ansible.errors import AnsibleError, AnsibleUndefinedVariable
from ansible.plugins.lookup import LookupBase
from ansible.utils.listify import listify_lookup_plugin_terms
class LookupModule(LookupBase):
def __lookup_variables(self, terms, variables):
foo = variables.copy()
foo.pop('vars')
results = []
for x in terms:
try:
intermediate = listify_lookup_plugin_terms(x, templar=self._templar, loader=self._loader, fail_on_undefined=True)
except UndefinedError, e:
raise AnsibleUndefinedVariable("One of the nested variables was undefined. The error was: %s" % e)
results.append(intermediate)
return results
def run(self, terms, variables=None, **kwargs):
terms = self.__lookup_variables(terms, variables)
my_list = terms[:]
my_list.reverse()
result = []
if len(my_list) == 0:
raise AnsibleError("with_nested requires at least one element in the nested list")
result = my_list.pop()
while len(my_list) > 0:
result2 = self._combine(result, my_list.pop())
result = result2
new_result = []
for x in result:
new_result.append(self._flatten(x))
return new_result