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54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
# (c) 2015, Filipe Niero Felisbino <filipenf@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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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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from ansible.errors import AnsibleError, AnsibleFilterError
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try:
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import jmespath
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HAS_LIB = True
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except ImportError:
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HAS_LIB = False
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def json_query(data, expr):
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'''Query data using jmespath query language ( http://jmespath.org ). Example:
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- debug: msg="{{ instance | json_query(tagged_instances[*].block_device_mapping.*.volume_id') }}"
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'''
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if not HAS_LIB:
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raise AnsibleError('You need to install "jmespath" prior to running '
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'json_query filter')
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try:
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return jmespath.search(expr, data)
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except jmespath.exceptions.JMESPathError as e:
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raise AnsibleFilterError('JMESPathError in json_query filter plugin:\n%s' % e)
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except Exception as e:
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# For older jmespath, we can get ValueError and TypeError without much info.
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raise AnsibleFilterError('Error in jmespath.search in json_query filter plugin:\n%s' % e)
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class FilterModule(object):
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''' Query filter '''
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def filters(self):
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return {
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'json_query': json_query
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}
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