143 lines
4 KiB
Python
143 lines
4 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2014, Brian Coca <brian.coca+dev@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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#
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DOCUMENTATION = '''
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---
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module: getent
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short_description: a wrapper to the unix getent utility
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description:
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- Runs getent against one of it's various databases and returns information into
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the host's facts
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version_added: "1.8"
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options:
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database:
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required: True
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description:
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- the name of a getent database supported by the target system (passwd, group,
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hosts, etc).
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key:
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required: False
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default: ''
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description:
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- key from which to return values from the specified database, otherwise the
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full contents are returned.
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split:
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required: False
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default: None
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description:
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- "character used to split the database values into lists/arrays such as ':' or '\t', otherwise it will try to pick one depending on the database"
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fail_key:
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required: False
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default: True
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description:
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- If a supplied key is missing this will make the task fail if True
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notes:
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- "Not all databases support enumeration, check system documentation for details"
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requirements: [ ]
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author: Brian Coca
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'''
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EXAMPLES = '''
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# get root user info
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- getent: database=passwd key=root
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register: root_info
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# get all groups
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- getent: database=group split=':'
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register: groups
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# get all hosts, split by tab
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- getent: database=hosts
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register: hosts
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# get http service info, no error if missing
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- getent: database=services key=http fail_key=False
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register: http_info
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# get user password hash (requires sudo/root)
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- getent: database=shadow key=www-data split=:
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register: pw_hash
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'''
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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database = dict(required=True),
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key = dict(required=False, default=None),
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split = dict(required=False, default=None),
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fail_key = dict(required=False, default=True),
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),
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supports_check_mode = True,
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)
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colon = [ 'passwd', 'shadow', 'group', 'gshadow' ]
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database = module.params['database']
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key = module.params.get('key')
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split = module.params.get('split')
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fail_key = module.params.get('fail_key')
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getent_bin = module.get_bin_path('getent', True)
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if key is not None:
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cmd = [ getent_bin, database, key ]
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else:
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cmd = [ getent_bin, database ]
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if split is None and database in colon:
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split = ':'
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try:
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rc, out, err = module.run_command(cmd)
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except Exception, e:
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module.fail_json(msg=str(e))
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msg = "Unexpected failure!"
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dbtree = 'getent_%s' % database
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results = { dbtree: {} }
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if rc == 0:
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for line in out.splitlines():
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record = line.split(split)
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results[dbtree][record[0]] = record[1:]
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module.exit_json(ansible_facts=results)
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elif rc == 1:
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msg = "Missing arguments, or database unknown."
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elif rc == 2:
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msg = "One or more supplied key could not be found in the database."
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if not fail_key:
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results[dbtree][key] = None
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module.exit_json(ansible_facts=results, msg=msg)
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elif rc == 3:
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msg = "Enumeration not supported on this database."
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module.fail_json(msg=msg)
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# import module snippets
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from ansible.module_utils.basic import *
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main()
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