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Teaching objects to load themselves, making the JSON/YAML parsing ambidexterous.

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This commit is contained in:
Michael DeHaan 2014-10-08 15:59:24 -04:00
commit 56b6cb5328
12 changed files with 180 additions and 59 deletions
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27
v2/ansible/parsing/mod_args.py
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@ -55,15 +55,16 @@ class ModuleArgsParser(object):
will tell you about the modules in a predictable way.
"""
def __init__(self):
def __init__(self, task=None):
self._ds = None
self._task = task
def _get_delegate_to(self):
'''
Returns the value of the delegate_to key from the task datastructure,
or None if the value was not directly specified
'''
return self._ds.get('delegate_to')
return self._ds.get('delegate_to', None)
def _get_old_style_action(self):
'''
@ -108,29 +109,24 @@ class ModuleArgsParser(object):
if 'module' in other_args:
del other_args['module']
args.update(other_args)
elif isinstance(action_data, basestring):
action_data = action_data.strip()
if not action_data:
# TODO: change to an AnsibleParsingError so that the
# filename/line number can be reported in the error
raise AnsibleError("when using 'action:' or 'local_action:', the module name must be specified")
raise AnsibleError("when using 'action:' or 'local_action:', the module name must be specified", object=self._task)
else:
# split up the string based on spaces, where the first
# item specified must be a valid module name
parts = action_data.split(' ', 1)
action = parts[0]
if action not in module_finder:
# TODO: change to an AnsibleParsingError so that the
# filename/line number can be reported in the error
raise AnsibleError("the module '%s' was not found in the list of loaded modules")
raise AnsibleError("the module '%s' was not found in the list of loaded modules" % action, object=self._task)
if len(parts) > 1:
args = self._get_args_from_action(action, ' '.join(parts[1:]))
else:
args = {}
else:
# TODO: change to an AnsibleParsingError so that the
# filename/line number can be reported in the error
raise AnsibleError('module args must be specified as a dictionary or string')
raise AnsibleError('module args must be specified as a dictionary or string', object=self._task)
return dict(action=action, args=args, delegate_to=delegate_to)
@ -277,7 +273,7 @@ class ModuleArgsParser(object):
assert type(ds) == dict
self._ds = ds
# first we try to get the module action/args based on the
# new-style format, where the module name is the key
result = self._get_new_style_action()
@ -286,9 +282,7 @@ class ModuleArgsParser(object):
# where 'action' or 'local_action' is the key
result = self._get_old_style_action()
if result is None:
# TODO: change to an AnsibleParsingError so that the
# filename/line number can be reported in the error
raise AnsibleError('no action specified for this task')
raise AnsibleError('no action specified for this task', object=self._task)
# if the action is set to 'shell', we switch that to 'command' and
# set the special parameter '_uses_shell' to true in the args dict
@ -302,11 +296,8 @@ class ModuleArgsParser(object):
specified_delegate_to = self._get_delegate_to()
if specified_delegate_to is not None:
if result['delegate_to'] is not None:
# TODO: change to an AnsibleParsingError so that the
# filename/line number can be reported in the error
raise AnsibleError('delegate_to cannot be used with local_action')
else:
result['delegate_to'] = specified_delegate_to
return (result['action'], result['args'], result['delegate_to'])