47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
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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.template import Templar
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__all__ = ['HostVars']
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class HostVars(dict):
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''' A special view of vars_cache that adds values from the inventory when needed. '''
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def __init__(self, vars_manager, inventory, loader):
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self._vars_manager = vars_manager
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self._inventory = inventory
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self._loader = loader
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self._lookup = {}
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#self.update(vars_cache)
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def __getitem__(self, host_name):
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if host_name not in self._lookup:
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host = self._inventory.get_host(host_name)
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result = self._vars_manager.get_vars(loader=self._loader, host=host)
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#result.update(self._vars_cache.get(host, {}))
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#templar = Templar(variables=self._vars_cache, loader=self._loader)
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#self._lookup[host] = templar.template(result)
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self._lookup[host_name] = result
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return self._lookup[host_name]
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