Added OpenVZ Inventory python script

plugins/inventory/openvz.py

+#!/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>"