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15b6ec66bb
* Set `raw=True` when reading passwords from ConfigParser files. The assumption is that no one is actually doing interpolation on the password value, even if they may for other configuration values, and passwords are far more likely to contain '%'. * Add vmware_inventory as well.
262 lines
7.6 KiB
Python
Executable file
262 lines
7.6 KiB
Python
Executable file
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# Copyright (c) 2016 Red Hat, Inc.
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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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oVirt dynamic inventory script
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=================================
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Generates dynamic inventory file for oVirt.
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Script will return following attributes for each virtual machine:
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- id
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- name
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- host
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- cluster
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- status
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- description
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- fqdn
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- os_type
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- template
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- tags
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- statistics
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- devices
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When run in --list mode, virtual machines are grouped by the following categories:
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- cluster
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- tag
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- status
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Note: If there is some virtual machine which has has more tags it will be in both tag
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records.
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Examples:
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# Execute update of system on webserver virtual machine:
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$ ansible -i contrib/inventory/ovirt4.py webserver -m yum -a "name=* state=latest"
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# Get webserver virtual machine information:
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$ contrib/inventory/ovirt4.py --host webserver
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Author: Ondra Machacek (@machacekondra)
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"""
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import argparse
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import os
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import sys
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from collections import defaultdict
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try:
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import ConfigParser as configparser
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except ImportError:
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import configparser
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try:
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import json
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except ImportError:
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import simplejson as json
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try:
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import ovirtsdk4 as sdk
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import ovirtsdk4.types as otypes
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except ImportError:
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print('oVirt inventory script requires ovirt-engine-sdk-python >= 4.0.0')
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sys.exit(1)
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def parse_args():
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"""
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Create command line parser for oVirt dynamic inventory script.
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"""
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parser = argparse.ArgumentParser(
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description='Ansible dynamic inventory script for oVirt.',
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)
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parser.add_argument(
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'--list',
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action='store_true',
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default=True,
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help='Get data of all virtual machines (default: True).',
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)
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parser.add_argument(
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'--host',
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help='Get data of virtual machines running on specified host.',
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)
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parser.add_argument(
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'--pretty',
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action='store_true',
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default=False,
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help='Pretty format (default: False).',
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)
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return parser.parse_args()
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def create_connection():
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"""
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Create a connection to oVirt engine API.
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"""
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# Get the path of the configuration file, by default use
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# 'ovirt.ini' file in script directory:
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default_path = os.path.join(
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os.path.dirname(os.path.realpath(__file__)),
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'ovirt.ini',
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)
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config_path = os.environ.get('OVIRT_INI_PATH', default_path)
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# Create parser and add ovirt section if it doesn't exist:
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config = configparser.SafeConfigParser(
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defaults={
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'ovirt_url': os.environ.get('OVIRT_URL'),
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'ovirt_username': os.environ.get('OVIRT_USERNAME'),
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'ovirt_password': os.environ.get('OVIRT_PASSWORD'),
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'ovirt_ca_file': os.environ.get('OVIRT_CAFILE'),
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}
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)
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if not config.has_section('ovirt'):
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config.add_section('ovirt')
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config.read(config_path)
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# Create a connection with options defined in ini file:
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return sdk.Connection(
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url=config.get('ovirt', 'ovirt_url'),
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username=config.get('ovirt', 'ovirt_username'),
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password=config.get('ovirt', 'ovirt_password', raw=True),
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ca_file=config.get('ovirt', 'ovirt_ca_file'),
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insecure=config.get('ovirt', 'ovirt_ca_file') is None,
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)
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def get_dict_of_struct(connection, vm):
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"""
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Transform SDK Vm Struct type to Python dictionary.
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"""
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if vm is None:
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return dict()
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vms_service = connection.system_service().vms_service()
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clusters_service = connection.system_service().clusters_service()
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vm_service = vms_service.vm_service(vm.id)
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devices = vm_service.reported_devices_service().list()
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tags = vm_service.tags_service().list()
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stats = vm_service.statistics_service().list()
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labels = vm_service.affinity_labels_service().list()
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groups = clusters_service.cluster_service(
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vm.cluster.id
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).affinity_groups_service().list()
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return {
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'id': vm.id,
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'name': vm.name,
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'host': connection.follow_link(vm.host).name if vm.host else None,
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'cluster': connection.follow_link(vm.cluster).name,
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'status': str(vm.status),
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'description': vm.description,
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'fqdn': vm.fqdn,
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'os_type': vm.os.type,
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'template': connection.follow_link(vm.template).name,
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'tags': [tag.name for tag in tags],
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'affinity_labels': [label.name for label in labels],
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'affinity_groups': [
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group.name for group in groups
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if vm.name in [vm.name for vm in connection.follow_link(group.vms)]
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],
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'statistics': dict(
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(stat.name, stat.values[0].datum) for stat in stats
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),
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'devices': dict(
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(device.name, [ip.address for ip in device.ips]) for device in devices if device.ips
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),
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'ansible_host': next((device.ips[0].address for device in devices if device.ips), None)
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}
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def get_data(connection, vm_name=None):
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"""
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Obtain data of `vm_name` if specified, otherwise obtain data of all vms.
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"""
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vms_service = connection.system_service().vms_service()
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clusters_service = connection.system_service().clusters_service()
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if vm_name:
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vm = vms_service.list(search='name=%s' % vm_name) or [None]
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data = get_dict_of_struct(
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connection=connection,
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vm=vm[0],
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)
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else:
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vms = dict()
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data = defaultdict(list)
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for vm in vms_service.list():
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name = vm.name
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vm_service = vms_service.vm_service(vm.id)
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cluster_service = clusters_service.cluster_service(vm.cluster.id)
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# Add vm to vms dict:
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vms[name] = get_dict_of_struct(connection, vm)
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# Add vm to cluster group:
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cluster_name = connection.follow_link(vm.cluster).name
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data['cluster_%s' % cluster_name].append(name)
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# Add vm to tag group:
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tags_service = vm_service.tags_service()
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for tag in tags_service.list():
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data['tag_%s' % tag.name].append(name)
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# Add vm to status group:
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data['status_%s' % vm.status].append(name)
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# Add vm to affinity group:
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for group in cluster_service.affinity_groups_service().list():
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if vm.name in [
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v.name for v in connection.follow_link(group.vms)
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]:
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data['affinity_group_%s' % group.name].append(vm.name)
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# Add vm to affinity label group:
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affinity_labels_service = vm_service.affinity_labels_service()
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for label in affinity_labels_service.list():
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data['affinity_label_%s' % label.name].append(name)
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data["_meta"] = {
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'hostvars': vms,
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}
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return data
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def main():
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args = parse_args()
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connection = create_connection()
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print(
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json.dumps(
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obj=get_data(
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connection=connection,
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vm_name=args.host,
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),
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sort_keys=args.pretty,
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indent=args.pretty * 2,
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)
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)
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if __name__ == '__main__':
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main()
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