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This allows variable references in playbooks in a different way.

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This commit is contained in:
Michael DeHaan 2013-10-30 21:26:16 -04:00
commit 90cce35919
3 changed files with 17 additions and 1 deletions
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8
lib/ansible/utils/template.py
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@ -30,6 +30,7 @@ import subprocess
import datetime
import pwd
import ast
import traceback
class Globals(object):
@ -304,6 +305,7 @@ def legacy_varReplace(basedir, raw, vars, lookup_fatal=True, depth=0, expand_lis
def template(basedir, varname, vars, lookup_fatal=True, depth=0, expand_lists=True, convert_bare=False, fail_on_undefined=False, filter_fatal=True):
''' templates a data structure by traversing it and substituting for other data structures '''
from ansible import utils
try:
if convert_bare and isinstance(varname, basestring):
@ -314,6 +316,12 @@ def template(basedir, varname, vars, lookup_fatal=True, depth=0, expand_lists=Tr
if isinstance(varname, basestring):
if '{{' in varname or '{%' in varname:
varname = template_from_string(basedir, varname, vars, fail_on_undefined)
if (varname.startswith("{") and not varname.startswith("{{")) or varname.startswith("["):
eval_results = utils.safe_eval(varname, locals=vars, include_exceptions=True)
if eval_results[1] is None:
varname = eval_results[0]
if not '$' in varname:
return varname