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Warn when jinja2 delimiters are found in a when statement (#20312)

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* Warn when jinja2 delimiters are found in a when statement

* Use templar._clean_data to look for templating
This commit is contained in:
Matt Martz 2017-03-02 17:02:07 -06:00 committed by James Cammarata
parent 1fe67f9f43
commit ff20ab7d44
1 changed files with 11 additions and 0 deletions
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11
lib/ansible/playbook/conditional.py
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@ -32,6 +32,12 @@ from ansible.template import Templar
from ansible.template.safe_eval import safe_eval
from ansible.module_utils._text import to_native
try:
from __main__ import display
except ImportError:
from ansible.utils.display import Display
display = Display()
DEFINED_REGEX = re.compile(r'(hostvars\[.+\]|[\w_]+)\s+(not\s+is|is|is\s+not)\s+(defined|undefined)')
LOOKUP_REGEX = re.compile(r'lookup\s*\(')
VALID_VAR_REGEX = re.compile("^[_A-Za-z][_a-zA-Z0-9]*$")
@ -132,6 +138,11 @@ class Conditional:
if conditional in all_vars and VALID_VAR_REGEX.match(conditional):
conditional = all_vars[conditional]
if templar._clean_data(conditional) != conditional:
display.warning('when statements should not include jinja2 '
'templating delimiters such as {{ }} or {%% %%}. '
'Found: %s' % conditional)
# make sure the templar is using the variables specified with this method
templar.set_available_variables(variables=all_vars)