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community.general/scripts/inventory/nagios_ndo.py
Alan Rominger 2ad004b97b
Make inventory scripts executable (#2337)
* Make inventory scripts executable

* Mark inventory scripts in vault folder as executable

* Add changelog entry for making inventory scripts exectuable

* Update changelogs/fragments/2337-mark-inventory-scripts-executable.yml

Co-authored-by: Felix Fontein <felix@fontein.de>

Co-authored-by: Felix Fontein <felix@fontein.de>
2021-04-26 21:24:26 +02:00

95 lines
3.2 KiB
Python
Executable file

#!/usr/bin/env python
# (c) 2014, Jonathan Lestrelin <jonathan.lestrelin@gmail.com>
#
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
"""
Nagios NDO external inventory script.
========================================
Returns hosts and hostgroups from Nagios NDO.
Configuration is read from `nagios_ndo.ini`.
"""
import os
import argparse
import sys
from ansible.module_utils.six.moves import configparser
import json
try:
from sqlalchemy import text
from sqlalchemy.engine import create_engine
except ImportError:
sys.exit("Error: SQLAlchemy is needed. Try something like: pip install sqlalchemy")
class NagiosNDOInventory(object):
def read_settings(self):
config = configparser.SafeConfigParser()
config.read(os.path.dirname(os.path.realpath(__file__)) + '/nagios_ndo.ini')
if config.has_option('ndo', 'database_uri'):
self.ndo_database_uri = config.get('ndo', 'database_uri')
def read_cli(self):
parser = argparse.ArgumentParser()
parser.add_argument('--host', nargs=1)
parser.add_argument('--list', action='store_true')
self.options = parser.parse_args()
def get_hosts(self):
engine = create_engine(self.ndo_database_uri)
connection = engine.connect()
select_hosts = text("SELECT display_name \
FROM nagios_hosts")
select_hostgroups = text("SELECT alias \
FROM nagios_hostgroups")
select_hostgroup_hosts = text("SELECT h.display_name \
FROM nagios_hostgroup_members hgm, nagios_hosts h, nagios_hostgroups hg \
WHERE hgm.hostgroup_id = hg.hostgroup_id \
AND hgm.host_object_id = h.host_object_id \
AND hg.alias =:hostgroup_alias")
hosts = connection.execute(select_hosts)
self.result['all']['hosts'] = [host['display_name'] for host in hosts]
for hostgroup in connection.execute(select_hostgroups):
hostgroup_alias = hostgroup['alias']
self.result[hostgroup_alias] = {}
hosts = connection.execute(select_hostgroup_hosts, hostgroup_alias=hostgroup_alias)
self.result[hostgroup_alias]['hosts'] = [host['display_name'] for host in hosts]
def __init__(self):
self.defaultgroup = 'group_all'
self.ndo_database_uri = None
self.options = None
self.read_settings()
self.read_cli()
self.result = {}
self.result['all'] = {}
self.result['all']['hosts'] = []
self.result['_meta'] = {}
self.result['_meta']['hostvars'] = {}
if self.ndo_database_uri:
self.get_hosts()
if self.options.host:
print(json.dumps({}))
elif self.options.list:
print(json.dumps(self.result))
else:
sys.exit("usage: --list or --host HOSTNAME")
else:
sys.exit("Error: Database configuration is missing. See nagios_ndo.ini.")
NagiosNDOInventory()