Merge pull request #8358 from jordonr/devel

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 file is part of Ansible.
+#
+# Ansible 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 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible 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 Ansible.  If not, see <http://www.gnu.org/licenses/>.
+#
+# 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 = ['vzhost1','vzhost2','vzhost3']
+#Add openvz hosts to the inventory and Add "_meta" trick
+inventory = {'vzhosts': {'hosts': vzhosts}, '_meta': {'hostvars': {}}}
+#default group, when description not defined
+default_group = ['vzguest']
+
+def get_guests():
+    #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:
+            #Add information to host vars
+            inventory['_meta']['hostvars'][j['hostname']] = {'ctid': j['ctid'], 'veid': j['veid'], 'vpsid': j['vpsid'], 'private_path': j['private'], 'root_path': j['root'], 'ip': j['ip']}
+
+            #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': []}
+
+                inventory[g]['hosts'].append(j['hostname'])
+
+        return inventory
+
+
+if len(sys.argv) == 2 and sys.argv[1] == '--list':
+    inv_json = get_guests()
+    print json.dumps(inv_json, sort_keys=True)
+elif len(sys.argv) == 3 and sys.argv[1] == '--host':
+    print json.dumps({});
+else:
+    print "Need an argument, either --list or --host <host>"