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105 lines
3.7 KiB
Python
105 lines
3.7 KiB
Python
#!/usr/bin/env python
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# (c) 2014, Jonathan Lestrelin <jonathan.lestrelin@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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Nagios NDO external inventory script.
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========================================
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Returns hosts and hostgroups from Nagios NDO.
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Configuration is read from `nagios_ndo.ini`.
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"""
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import os
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import argparse
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import sys
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from ansible.module_utils.six.moves import configparser
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import json
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try:
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from sqlalchemy import text
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from sqlalchemy.engine import create_engine
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except ImportError:
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sys.exit("Error: SQLAlchemy is needed. Try something like: pip install sqlalchemy")
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class NagiosNDOInventory(object):
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def read_settings(self):
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config = configparser.SafeConfigParser()
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config.read(os.path.dirname(os.path.realpath(__file__)) + '/nagios_ndo.ini')
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if config.has_option('ndo', 'database_uri'):
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self.ndo_database_uri = config.get('ndo', 'database_uri')
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def read_cli(self):
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parser = argparse.ArgumentParser()
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parser.add_argument('--host', nargs=1)
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parser.add_argument('--list', action='store_true')
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self.options = parser.parse_args()
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def get_hosts(self):
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engine = create_engine(self.ndo_database_uri)
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connection = engine.connect()
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select_hosts = text("SELECT display_name \
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FROM nagios_hosts")
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select_hostgroups = text("SELECT alias \
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FROM nagios_hostgroups")
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select_hostgroup_hosts = text("SELECT h.display_name \
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FROM nagios_hostgroup_members hgm, nagios_hosts h, nagios_hostgroups hg \
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WHERE hgm.hostgroup_id = hg.hostgroup_id \
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AND hgm.host_object_id = h.host_object_id \
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AND hg.alias =:hostgroup_alias")
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hosts = connection.execute(select_hosts)
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self.result['all']['hosts'] = [host['display_name'] for host in hosts]
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for hostgroup in connection.execute(select_hostgroups):
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hostgroup_alias = hostgroup['alias']
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self.result[hostgroup_alias] = {}
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hosts = connection.execute(select_hostgroup_hosts, hostgroup_alias=hostgroup_alias)
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self.result[hostgroup_alias]['hosts'] = [host['display_name'] for host in hosts]
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def __init__(self):
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self.defaultgroup = 'group_all'
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self.ndo_database_uri = None
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self.options = None
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self.read_settings()
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self.read_cli()
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self.result = {}
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self.result['all'] = {}
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self.result['all']['hosts'] = []
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self.result['_meta'] = {}
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self.result['_meta']['hostvars'] = {}
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if self.ndo_database_uri:
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self.get_hosts()
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if self.options.host:
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print(json.dumps({}))
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elif self.options.list:
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print(json.dumps(self.result))
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else:
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sys.exit("usage: --list or --host HOSTNAME")
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else:
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sys.exit("Error: Database configuration is missing. See nagios_ndo.ini.")
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NagiosNDOInventory()
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