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85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
# (c) 2017 Ansible By Red Hat
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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# Make coding more python3-ish
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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from ansible.playbook import Play
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from ansible.playbook.block import Block
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from ansible.playbook.role import Role
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from ansible.playbook.task import Task
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try:
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from __main__ import display
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except ImportError:
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from ansible.utils.display import Display
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display = Display()
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def get_reserved_names(include_private=True):
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''' this function returns the list of reserved names associated with play objects'''
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public = set()
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private = set()
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result = set()
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# FIXME: find a way to 'not hardcode', possibly need role deps/includes
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class_list = [Play, Role, Block, Task]
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for aclass in class_list:
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aobj = aclass()
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# build ordered list to loop over and dict with attributes
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for attribute in aobj.__dict__['_attributes']:
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if 'private' in attribute:
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private.add(attribute)
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else:
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public.add(attribute)
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# local_action is implicit with action
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if 'action' in public:
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public.add('local_action')
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# loop implies with_
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# FIXME: remove after with_ is not only deprecated but removed
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if 'loop' in private or 'loop' in public:
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public.add('with_')
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if include_private:
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result = public.union(private)
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else:
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result = public
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return result
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def warn_if_reserved(myvars):
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''' this function warns if any variable passed conflicts with internally reserved names '''
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varnames = set(myvars)
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varnames.discard('vars') # we add this one internally, so safe to ignore
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for varname in varnames.intersection(_RESERVED_NAMES):
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display.warning('Found variable using reserved name: %s' % varname)
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def is_reserved_name(name):
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return name in _RESERVED_NAMES
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_RESERVED_NAMES = frozenset(get_reserved_names())
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