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260 lines
9.0 KiB
Python
260 lines
9.0 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# (c) 2015, René Moser <mail@renemoser.net>
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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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"""
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Ansible CloudStack external inventory script.
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=============================================
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Generates Ansible inventory from CloudStack. Configuration is read from
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'cloudstack.ini'. If you need to pass the project, write a simple wrapper
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script, e.g. project_cloudstack.sh:
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#!/bin/bash
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cloudstack.py --project <your_project> $@
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When run against a specific host, this script returns the following attributes
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based on the data obtained from CloudStack API:
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"web01": {
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"cpu_number": 2,
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"nic": [
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{
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"ip": "10.102.76.98",
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"mac": "02:00:50:99:00:01",
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"type": "Isolated",
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"netmask": "255.255.255.0",
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"gateway": "10.102.76.1"
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},
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{
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"ip": "10.102.138.63",
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"mac": "06:b7:5a:00:14:84",
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"type": "Shared",
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"netmask": "255.255.255.0",
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"gateway": "10.102.138.1"
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}
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],
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"default_ip": "10.102.76.98",
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"zone": "ZUERICH",
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"created": "2014-07-02T07:53:50+0200",
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"hypervisor": "VMware",
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"memory": 2048,
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"state": "Running",
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"tags": [],
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"cpu_speed": 1800,
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"affinity_group": [],
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"service_offering": "Small",
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"cpu_used": "62%"
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}
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usage: cloudstack.py [--list] [--host HOST] [--project PROJECT] [--domain DOMAIN]
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"""
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from __future__ import print_function
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import os
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import sys
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import argparse
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try:
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import json
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except:
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import simplejson as json
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try:
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from cs import CloudStack, CloudStackException, read_config
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except ImportError:
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print("Error: CloudStack library must be installed: pip install cs.",
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file=sys.stderr)
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sys.exit(1)
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class CloudStackInventory(object):
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def __init__(self):
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parser = argparse.ArgumentParser()
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parser.add_argument('--host')
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parser.add_argument('--list', action='store_true')
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parser.add_argument('--project')
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parser.add_argument('--domain')
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options = parser.parse_args()
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try:
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self.cs = CloudStack(**read_config())
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except CloudStackException as e:
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print("Error: Could not connect to CloudStack API", file=sys.stderr)
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sys.exit(1)
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domain_id = None
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if options.domain:
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domain_id = self.get_domain_id(options.domain)
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project_id = None
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if options.project:
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project_id = self.get_project_id(options.project, domain_id)
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if options.host:
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data = self.get_host(options.host, project_id, domain_id)
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print(json.dumps(data, indent=2))
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elif options.list:
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data = self.get_list(project_id, domain_id)
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print(json.dumps(data, indent=2))
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else:
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print("usage: --list | --host <hostname> [--project <project>] [--domain <domain_path>]",
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file=sys.stderr)
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sys.exit(1)
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def get_domain_id(self, domain):
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domains = self.cs.listDomains(listall=True)
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if domains:
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for d in domains['domain']:
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if d['path'].lower() == domain.lower():
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return d['id']
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print("Error: Domain %s not found." % domain, file=sys.stderr)
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sys.exit(1)
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def get_project_id(self, project, domain_id=None):
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projects = self.cs.listProjects(domainid=domain_id)
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if projects:
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for p in projects['project']:
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if p['name'] == project or p['id'] == project:
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return p['id']
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print("Error: Project %s not found." % project, file=sys.stderr)
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sys.exit(1)
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def get_host(self, name, project_id=None, domain_id=None):
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hosts = self.cs.listVirtualMachines(projectid=project_id, domainid=domain_id)
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data = {}
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if not hosts:
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return data
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for host in hosts['virtualmachine']:
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host_name = host['displayname']
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if name == host_name:
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data['zone'] = host['zonename']
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if 'group' in host:
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data['group'] = host['group']
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data['state'] = host['state']
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data['service_offering'] = host['serviceofferingname']
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data['affinity_group'] = host['affinitygroup']
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data['security_group'] = host['securitygroup']
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data['cpu_number'] = host['cpunumber']
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data['cpu_speed'] = host['cpuspeed']
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if 'cpuused' in host:
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data['cpu_used'] = host['cpuused']
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data['memory'] = host['memory']
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data['tags'] = host['tags']
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data['hypervisor'] = host['hypervisor']
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data['created'] = host['created']
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data['nic'] = []
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for nic in host['nic']:
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data['nic'].append({
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'ip': nic['ipaddress'],
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'mac': nic['macaddress'],
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'netmask': nic['netmask'],
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'gateway': nic['gateway'],
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'type': nic['type'],
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})
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if nic['isdefault']:
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data['default_ip'] = nic['ipaddress']
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break
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return data
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def get_list(self, project_id=None, domain_id=None):
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data = {
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'all': {
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'hosts': [],
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},
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'_meta': {
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'hostvars': {},
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},
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}
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groups = self.cs.listInstanceGroups(projectid=project_id, domainid=domain_id)
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if groups:
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for group in groups['instancegroup']:
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group_name = group['name']
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if group_name and not group_name in data:
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data[group_name] = {
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'hosts': []
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}
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hosts = self.cs.listVirtualMachines(projectid=project_id, domainid=domain_id)
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if not hosts:
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return data
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for host in hosts['virtualmachine']:
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host_name = host['displayname']
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data['all']['hosts'].append(host_name)
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data['_meta']['hostvars'][host_name] = {}
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# Make a group per zone
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data['_meta']['hostvars'][host_name]['zone'] = host['zonename']
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group_name = host['zonename']
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if group_name not in data:
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data[group_name] = {
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'hosts': []
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}
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data[group_name]['hosts'].append(host_name)
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if 'group' in host:
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data['_meta']['hostvars'][host_name]['group'] = host['group']
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data['_meta']['hostvars'][host_name]['state'] = host['state']
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data['_meta']['hostvars'][host_name]['service_offering'] = host['serviceofferingname']
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data['_meta']['hostvars'][host_name]['affinity_group'] = host['affinitygroup']
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data['_meta']['hostvars'][host_name]['security_group'] = host['securitygroup']
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data['_meta']['hostvars'][host_name]['cpu_number'] = host['cpunumber']
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data['_meta']['hostvars'][host_name]['cpu_speed'] = host['cpuspeed']
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if 'cpuused' in host:
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data['_meta']['hostvars'][host_name]['cpu_used'] = host['cpuused']
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data['_meta']['hostvars'][host_name]['created'] = host['created']
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data['_meta']['hostvars'][host_name]['memory'] = host['memory']
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data['_meta']['hostvars'][host_name]['tags'] = host['tags']
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data['_meta']['hostvars'][host_name]['hypervisor'] = host['hypervisor']
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data['_meta']['hostvars'][host_name]['created'] = host['created']
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data['_meta']['hostvars'][host_name]['nic'] = []
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for nic in host['nic']:
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data['_meta']['hostvars'][host_name]['nic'].append({
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'ip': nic['ipaddress'],
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'mac': nic['macaddress'],
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'netmask': nic['netmask'],
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'gateway': nic['gateway'],
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'type': nic['type'],
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})
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if nic['isdefault']:
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data['_meta']['hostvars'][host_name]['default_ip'] = nic['ipaddress']
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group_name = ''
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if 'group' in host:
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group_name = host['group']
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if group_name and group_name in data:
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data[group_name]['hosts'].append(host_name)
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return data
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if __name__ == '__main__':
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CloudStackInventory()
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