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from ansiblelint.rules import AnsibleLintRule
class NoFormattingInWhenRule(AnsibleLintRule):
id = '102'
shortdesc = 'No Jinja2 in when'
description = '``when`` lines should not include Jinja2 variables'
severity = 'HIGH'
tags = ['deprecated', 'ANSIBLE0019']
version_added = 'historic'
def _is_valid(self, when):
if not isinstance(when, str):
return True
return when.find('{{') == -1 and when.find('}}') == -1
def matchplay(self, file, play):
errors = []
if isinstance(play, dict):
if 'roles' not in play or play['roles'] is None:
return errors
for role in play['roles']:
if self.matchtask(file, role):
errors.append(({'when': role},
'role "when" clause has Jinja2 templates'))
if isinstance(play, list):
for play_item in play:
sub_errors = self.matchplay(file, play_item)
if sub_errors:
errors = errors + sub_errors
return errors
def matchtask(self, file, task):
return 'when' in task and not self._is_valid(task['when'])
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