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ansible/plugins/inventory/nova.py

133 lines
4.1 KiB
Python

#!/usr/bin/env python
# (c) 2012, Marco Vito Moscaritolo <marco@agavee.com>
#
# 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/>.
import sys
import re
import os
import ConfigParser
from novaclient import client as nova_client
try:
import json
except:
import simplejson as json
from ansible.module_utils.openstack import *
###################################################
# executed with no parameters, return the list of
# all groups and hosts
NOVA_CONFIG_FILES = [os.getcwd() + "/nova.ini",
os.path.expanduser(os.environ.get('ANSIBLE_CONFIG', "~/nova.ini")),
"/etc/ansible/nova.ini"]
NOVA_DEFAULTS = {
'auth_system': None,
'region_name': None,
}
def nova_load_config_file():
p = ConfigParser.SafeConfigParser(NOVA_DEFAULTS)
for path in NOVA_CONFIG_FILES:
if os.path.exists(path):
p.read(path)
return p
return None
config = nova_load_config_file()
if not config:
sys.exit('Unable to find configfile in %s' % ', '.join(NOVA_CONFIG_FILES))
client = nova_client.Client(
config.get('openstack', 'version'),
config.get('openstack', 'username'),
config.get('openstack', 'api_key'),
config.get('openstack', 'project_id'),
config.get('openstack', 'auth_url'),
region_name = config.get('openstack', 'region_name'),
auth_system = config.get('openstack', 'auth_system')
)
if len(sys.argv) == 2 and (sys.argv[1] == '--list'):
groups = {}
# Cycle on servers
for server in client.servers.list():
private = openstack_find_nova_addresses(getattr(server, 'addresses'), 'fixed', 'private')
public = openstack_find_nova_addresses(getattr(server, 'addresses'), 'floating', 'public')
# Define group (or set to empty string)
group = server.metadata['group'] if server.metadata.has_key('group') else 'undefined'
# Create group if not exist
if group not in groups:
groups[group] = []
# Append group to list
if server.accessIPv4:
groups[group].append(server.accessIPv4)
continue
if public:
groups[group].append(''.join(public))
continue
if private:
groups[group].append(''.join(private))
continue
# Return server list
print(json.dumps(groups, sort_keys=True, indent=2))
sys.exit(0)
#####################################################
# executed with a hostname as a parameter, return the
# variables for that host
elif len(sys.argv) == 3 and (sys.argv[1] == '--host'):
results = {}
ips = []
for instance in client.servers.list():
private = openstack_find_nova_addresses(getattr(instance, 'addresses'), 'fixed', 'private')
public = openstack_find_nova_addresses(getattr(instance, 'addresses'), 'floating', 'public')
ips.append( instance.accessIPv4)
ips.append(''.join(private))
ips.append(''.join(public))
if sys.argv[2] in ips:
for key in vars(instance):
# Extract value
value = getattr(instance, key)
# Generate sanitized key
key = 'os_' + re.sub("[^A-Za-z0-9\-]", "_", key).lower()
# Att value to instance result (exclude manager class)
#TODO: maybe use value.__class__ or similar inside of key_name
if key != 'os_manager':
results[key] = value
print(json.dumps(results, sort_keys=True, indent=2))
sys.exit(0)
else:
print "usage: --list ..OR.. --host <hostname>"
sys.exit(1)