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Add an only_if option to vars_prompt to make prompts conditional

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Sometimes you may want to allow variables through host_vars or inventory, but prompt for a value if it is not set or if the value does not conform to something specific. This option allows you to specify when you want to offer a prompt.

This patch also moves check_conditional to utils, and adds an is_unset() function which is nicer to read:

    only_if: "not is_set('${var}')"

vs

    only_if: "is_unset('${var}')"
This commit is contained in:
Dag Wieers 2012-09-24 21:06:34 +02:00
commit 4e9a970616
3 changed files with 11 additions and 6 deletions
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6
lib/ansible/runner/__init__.py
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@ -329,12 +329,8 @@ class Runner(object):
self.module_args = new_args
self.module_args = utils.template(self.basedir, self.module_args, inject)
def _check_conditional(conditional):
def is_set(var):
return not var.startswith("$")
return eval(conditional)
conditional = utils.template(self.basedir, self.conditional, inject)
if not _check_conditional(conditional):
if not utils.check_conditional(conditional):
result = utils.jsonify(dict(skipped=True))
self.callbacks.on_skipped(host, inject.get('item',None))
return ReturnData(host=host, result=result)