mirror of https://github.com/ansible/ansible.git
Merge pull request #1525 from jhoekx/custom-filter-plugins
Support custom jinja2 filters.pull/1648/head
commit
a1f7334634
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---
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- name: Demonstrate custom jinja2 filters
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hosts: all
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tasks:
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- action: template src=templates/custom-filters.j2 dest=/tmp/custom-filters.txt
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# (c) 2012, Jeroen Hoekx <jeroen@hoekx.be>
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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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class FilterModule(object):
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''' Custom filters are loaded by FilterModule objects '''
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def filters(self):
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''' FilterModule objects return a dict mapping filter names to
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filter functions. '''
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return {
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'generate_answer': self.generate_answer,
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}
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def generate_answer(self, value):
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return '42'
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1 + 1 = {{ '1+1' | generate_answer }}
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# (c) 2012, Jeroen Hoekx <jeroen@hoekx.be>
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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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import json
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import yaml
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class FilterModule(object):
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''' Ansible core jinja2 filters '''
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def filters(self):
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return {
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'to_json': json.dumps,
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'from_json': json.loads,
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'to_yaml': yaml.dump,
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'from_yaml': yaml.load,
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}
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