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Use Jinja2 strict undefined in string templating to allow the default filter to be used.

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This commit is contained in:
Michael DeHaan 2013-04-10 16:45:53 -04:00
parent 998230a84a
commit 804056a563
1 changed files with 2 additions and 9 deletions
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11
lib/ansible/utils/template.py
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@ -19,7 +19,7 @@ import os
import re
import codecs
import jinja2
import jinja2.meta as jinja2_meta
from jinja2.runtime import StrictUndefined
import yaml
import json
from ansible import errors
@ -410,17 +410,10 @@ def template_from_string(basedir, data, vars):
try:
if type(data) == str:
data = unicode(data, 'utf-8')
environment = jinja2.Environment(trim_blocks=True)
environment = jinja2.Environment(trim_blocks=True, undefined=StrictUndefined)
environment.filters.update(_get_filter_plugins())
environment.template_class = J2Template
# perhaps a nicer way to do this
ast = environment.parse(data)
undeclared = jinja2_meta.find_undeclared_variables(ast)
for x in undeclared:
if x not in vars:
return data
# TODO: may need some way of using lookup plugins here seeing we aren't calling
# the legacy engine, lookup() as a function, perhaps?