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136 lines
3.8 KiB
Python
136 lines
3.8 KiB
Python
#!/usr/bin/python
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"""
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OpenStack external inventory script
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=================================
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Generates inventory that Ansible can understand by making API request to
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OpenStack endpoint using the novaclient library.
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NOTE: This script assumes Ansible is being executed where the environment
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variables needed for novaclient have already been set on nova.ini file
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For more details, see: https://github.com/openstack/python-novaclient
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When run against a specific host, this script returns the following variables:
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os_os-ext-sts_task_state
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os_addresses
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os_links
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os_image
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os_os-ext-sts_vm_state
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os_flavor
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os_id
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os_rax-bandwidth_bandwidth
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os_user_id
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os_os-dcf_diskconfig
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os_accessipv4
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os_accessipv6
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os_progress
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os_os-ext-sts_power_state
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os_metadata
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os_status
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os_updated
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os_hostid
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os_name
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os_created
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os_tenant_id
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os__info
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os__loaded
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where some item can have nested structure.
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"""
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# (c) 2012, Marco Vito Moscaritolo <marco@agavee.com>
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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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import sys
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import re
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import os
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import ConfigParser
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from novaclient import client as nova_client
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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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###################################################
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# executed with no parameters, return the list of
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# all groups and hosts
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config = ConfigParser.SafeConfigParser()
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config.read(os.path.dirname(os.path.realpath(__file__)) + '/nova.ini')
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client = nova_client.Client(
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version = config.get('openstack', 'version'),
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username = config.get('openstack', 'username'),
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api_key = config.get('openstack', 'api_key'),
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auth_url = config.get('openstack', 'auth_url'),
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project_id = config.get('openstack', 'project_id')
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)
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if len(sys.argv) == 2 and (sys.argv[1] == '--list'):
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groups = {}
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# Cycle on servers
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for f in client.servers.list():
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# Define group (or set to empty string)
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group = f.metadata['group'] if f.metadata['group'] else ''
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# Create group if not exist
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if group not in groups:
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groups[f.metadata['group']] = []
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# Append group to list
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groups[f.metadata['group']].append(f.accessIPv4)
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# Return server list
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print json.dumps(groups)
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sys.exit(0)
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#####################################################
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# executed with a hostname as a parameter, return the
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# variables for that host
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elif len(sys.argv) == 3 and (sys.argv[1] == '--host'):
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results = {}
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for instance in client.servers.list():
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if instance.accessIPv4 == sys.argv[2]:
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for key in vars(instance):
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# Extract value
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value = getattr(instance, key)
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# Generate sanitized key
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key = 'os_' + re.sub("[^A-Za-z0-9\-]", "_", key).lower()
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# Att value to instance result (exclude manager class)
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#TODO: maybe use value.__class__ or similar inside of key_name
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if key != 'os_manager':
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results[key] = value
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print json.dumps(results)
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sys.exit(0)
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else:
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print "usage: --list ..OR.. --host <hostname>"
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sys.exit(1)
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