Added OpenVZ Inventory python script

This commit is contained in:
Jordon Replogle 2014-07-30 10:08:22 -07:00
parent 189824dd76
commit 3d61f077ec

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# openvz.py
#
# Copyright 2014 jordonr <jordon@beamsyn.net>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
#
#
# Inspired by libvirt_lxc.py inventory script
# https://github.com/ansible/ansible/blob/e5ef0eca03cbb6c8950c06dc50d0ca22aa8902f4/plugins/inventory/libvirt_lxc.py
#
# Groups are determined by the description field of openvz guests
# multiple groups can be seperated by commas: webserver,dbserver
from subprocess import Popen,PIPE
import sys
import json
#List openvz hosts
vzhosts = ['192.168.1.3','192.168.1.2','192.168.1.1']
#Add openvzhosts to the inventory
inventory = {'vzhosts': {'hosts': vzhosts}}
#default group, when description not defined
default_group = ['vzguest']
def getGuests():
#Loop through vzhosts
for h in vzhosts:
#SSH to vzhost and get the list of guests in json
pipe = Popen(['ssh', h,'vzlist','-j'], stdout=PIPE, universal_newlines=True)
#Load Json info of guests
json_data = json.loads(pipe.stdout.read())
#loop through guests
for j in json_data:
#determine group from guest description
if j['description'] is not None:
groups = j['description'].split(",")
else:
groups = default_group
#add guest to inventory
for g in groups:
if g not in inventory:
inventory[g] = {'hosts': []}
for ip in j['ip']:
inventory[g]['hosts'].append(ip)
print json.dumps(inventory)
if len(sys.argv) == 2 and sys.argv[1] == '--list':
getGuests()
elif len(sys.argv) == 3 and sys.argv[1] == '--host':
print json.dumps({});
else:
print "Need an argument, either --list or --host <host>"