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This allows type=dict in a module to allow passing in a real dict or JSON.

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This commit is contained in:
Michael DeHaan 2013-10-31 18:44:13 -04:00
parent b520902852
commit 465f3b1c91
1 changed files with 46 additions and 2 deletions
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46
lib/ansible/module_utils/basic.py
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@ -616,6 +616,39 @@ class AnsibleModule(object):
else:
self.fail_json(msg="internal error: do not know how to interpret argument_spec")
def safe_eval(self, str, locals=None, include_exceptions=False):
# do not allow method calls to modules
if not isinstance(str, basestring):
# already templated to a datastructure, perhaps?
if include_exceptions:
return (str, None)
return str
if re.search(r'\w\.\w+\(', str):
if include_exceptions:
return (str, None)
return str
# do not allow imports
if re.search(r'import \w+', str):
if include_exceptions:
return (str, None)
return str
try:
result = None
if not locals:
result = eval(str)
else:
result = eval(str, None, locals)
if include_exceptions:
return (result, None)
else:
return result
except Exception, e:
if include_exceptions:
return (str, e)
return str
def _check_argument_types(self):
''' ensure all arguments have the requested type '''
for (k, v) in self.argument_spec.iteritems():
@ -640,7 +673,18 @@ class AnsibleModule(object):
elif wanted == 'dict':
if not isinstance(value, dict):
if isinstance(value, basestring):
if value.startswith("{"):
try:
self.params[k] = json.loads(value)
except:
(result, exc) = self.safe_eval(value, dict(), include_exceptions=True)
if exc is not None:
self.fail_json(msg="unable to evaluate dictionary for %s" % k)
self.params[k] = result
elif '=' in value:
self.params[k] = dict([x.split("=", 1) for x in value.split(",")])
else:
self.fail_json(msg="dictionary requested, could not parse JSON or key=value")
else:
is_invalid = True
elif wanted == 'bool':
@ -682,7 +726,7 @@ class AnsibleModule(object):
try:
(k, v) = x.split("=",1)
except Exception, e:
self.fail_json(msg="this module requires key=value arguments (%s)" % items)
self.fail_json(msg="this module requires key=value arguments (%s)" % (items))
params[k] = v
params2 = json.loads(MODULE_COMPLEX_ARGS)
params2.update(params)