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Introduce exception AnsibleFilterError and use it in Jinja filters. Ignore this exception when trying to find the name of a task for display (callback) purpose.

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Stoned Elipot 2013-07-07 19:18:32 +02:00
commit 2d88c70cd5
4 changed files with 43 additions and 34 deletions
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70
lib/ansible/utils/template.py
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@ -295,42 +295,48 @@ def legacy_varReplace(basedir, raw, vars, lookup_fatal=True, depth=0, expand_lis
# TODO: varname is misnamed here
def template(basedir, varname, vars, lookup_fatal=True, depth=0, expand_lists=True, convert_bare=False, fail_on_undefined=False):
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 '''
if convert_bare and isinstance(varname, basestring):
first_part = varname.split(".")[0].split("[")[0]
if first_part in vars and '{{' not in varname and '$' not in varname:
varname = "{{%s}}" % varname
if isinstance(varname, basestring):
if '{{' in varname or '{%' in varname:
varname = template_from_string(basedir, varname, vars, fail_on_undefined)
if not '$' in varname:
return varname
m = _legacy_varFind(basedir, varname, vars, lookup_fatal, depth, expand_lists)
if not m:
return varname
if m['start'] == 0 and m['end'] == len(varname):
if m['replacement'] is not None:
Flags.LEGACY_TEMPLATE_WARNING = True
return template(basedir, m['replacement'], vars, lookup_fatal, depth, expand_lists)
else:
try:
if convert_bare and isinstance(varname, basestring):
first_part = varname.split(".")[0].split("[")[0]
if first_part in vars and '{{' not in varname and '$' not in varname:
varname = "{{%s}}" % varname
if isinstance(varname, basestring):
if '{{' in varname or '{%' in varname:
varname = template_from_string(basedir, varname, vars, fail_on_undefined)
if not '$' in varname:
return varname
m = _legacy_varFind(basedir, varname, vars, lookup_fatal, depth, expand_lists)
if not m:
return varname
if m['start'] == 0 and m['end'] == len(varname):
if m['replacement'] is not None:
Flags.LEGACY_TEMPLATE_WARNING = True
return template(basedir, m['replacement'], vars, lookup_fatal, depth, expand_lists)
else:
return varname
else:
Flags.LEGACY_TEMPLATE_WARNING = True
return legacy_varReplace(basedir, varname, vars, lookup_fatal, depth, expand_lists)
elif isinstance(varname, (list, tuple)):
return [template(basedir, v, vars, lookup_fatal, depth, expand_lists) for v in varname]
elif isinstance(varname, dict):
d = {}
for (k, v) in varname.iteritems():
d[k] = template(basedir, v, vars, lookup_fatal, depth, expand_lists)
return d
else:
Flags.LEGACY_TEMPLATE_WARNING = True
return legacy_varReplace(basedir, varname, vars, lookup_fatal, depth, expand_lists)
elif isinstance(varname, (list, tuple)):
return [template(basedir, v, vars, lookup_fatal, depth, expand_lists) for v in varname]
elif isinstance(varname, dict):
d = {}
for (k, v) in varname.iteritems():
d[k] = template(basedir, v, vars, lookup_fatal, depth, expand_lists)
return d
else:
return varname
return varname
except errors.AnsibleFilterError:
if filter_fatal:
raise
else:
return varname
class _jinja2_vars(object):