236 lines
7 KiB
Python
Executable file
236 lines
7 KiB
Python
Executable file
#!/usr/bin/env python
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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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DOCUMENTATION = '''
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---
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inventory: nova
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short_description: OpenStack external inventory script
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description:
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- Generates inventory that Ansible can understand by making API request to OpenStack endpoint using the novaclient library.
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- |
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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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- All information are set on B(nova.ini) file
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version_added: None
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options:
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version:
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description:
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- OpenStack version to use.
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required: true
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default: null
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choices: [ "1.1", "2" ]
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username:
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description:
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- Username used to authenticate in OpenStack.
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required: true
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default: null
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api_key:
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description:
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- Password used to authenticate in OpenStack, can be the ApiKey on some authentication system.
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required: true
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default: null
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auth_url:
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description:
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- Authentication URL required to generate token.
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- To manage RackSpace use I(https://identity.api.rackspacecloud.com/v2.0/)
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required: true
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default: null
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auth_system:
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description:
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- Authentication system used to login
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- To manage RackSpace install B(rackspace-novaclient) and insert I(rackspace)
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required: true
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default: null
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region_name:
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description:
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- Region name to use in request
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- In RackSpace some value can be I(ORD) or I(DWF).
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required: true
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default: null
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project_id:
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description:
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- Project ID to use in connection
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- In RackSpace use OS_TENANT_NAME
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required: false
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default: null
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endpoint_type:
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description:
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- The endpoint type for novaclient
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- In RackSpace use 'publicUrl'
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required: false
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default: null
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service_type:
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description:
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- The service type you are managing.
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- In RackSpace use 'compute'
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required: false
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default: null
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service_name:
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description:
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- The service name you are managing.
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- In RackSpace use 'cloudServersOpenStack'
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required: false
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default: null
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insicure:
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description:
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- To no check security
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required: false
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default: false
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choices: [ "true", "false" ]
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author: Marco Vito Moscaritolo
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notes:
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- This script assumes Ansible is being executed where the environment variables needed for novaclient have already been set on nova.ini file
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- For more details, see U(https://github.com/openstack/python-novaclient)
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examples:
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- description: List instances
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code: nova.py --list
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- description: Instance property
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code: nova.py --instance INSTANCE_IP
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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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NOVA_CONFIG_FILES = [os.getcwd() + "/nova.ini",
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os.path.expanduser(os.environ.get('ANSIBLE_CONFIG', "~/nova.ini")),
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"/etc/ansible/nova.ini"]
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def nova_load_config_file():
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p = ConfigParser.SafeConfigParser()
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for path in NOVA_CONFIG_FILES:
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if os.path.exists(path):
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p.read(path)
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return p
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return None
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config = nova_load_config_file()
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if not config:
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sys.exit('Unable to find configfile in %s' % ', '.join(NOVA_CONFIG_FILES))
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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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region_name = config.get('openstack', 'region_name'),
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project_id = config.get('openstack', 'project_id'),
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auth_system = config.get('openstack', 'auth_system')
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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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private = [ x['addr'] for x in getattr(f, 'addresses').itervalues().next() if x['OS-EXT-IPS:type'] == 'fixed']
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public = [ x['addr'] for x in getattr(f, 'addresses').itervalues().next() if x['OS-EXT-IPS:type'] == 'floating']
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# Define group (or set to empty string)
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group = f.metadata['group'] if f.metadata.has_key('group') else 'undefined'
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# Create group if not exist
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if group not in groups:
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groups[group] = []
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# Append group to list
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if f.accessIPv4:
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groups[group].append(f.accessIPv4)
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continue
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if public:
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groups[group].append(''.join(public))
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continue
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if private:
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groups[group].append(''.join(private))
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continue
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# Return server list
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print(json.dumps(groups, sort_keys=True, indent=2))
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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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ips = []
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for instance in client.servers.list():
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private = [ x['addr'] for x in getattr(instance, 'addresses').itervalues().next() if x['OS-EXT-IPS:type'] == 'fixed']
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public = [ x['addr'] for x in getattr(instance, 'addresses').itervalues().next() if x['OS-EXT-IPS:type'] == 'floating']
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ips.append( instance.accessIPv4)
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ips.append(''.join(private))
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ips.append(''.join(public))
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if sys.argv[2] in ips:
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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, sort_keys=True, indent=2))
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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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