ansible/library/cloud/quantum_floating_ip_associate
2013-05-23 07:55:05 +05:30

211 lines
7.6 KiB
Python
Executable file

#!/usr/bin/python
#coding: utf-8 -*-
# (c) 2013, Benno Joy <benno@ansibleworks.com>
#
# This module 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.
#
# This software 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 this software. If not, see <http://www.gnu.org/licenses/>.
try:
from novaclient.v1_1 import client as nova_client
from quantumclient.quantum import client
from keystoneclient.v2_0 import client as ksclient
import time
except ImportError:
print("failed=True msg='glanceclient,novaclient and keystone client are required'")
DOCUMENTATION = '''
---
module: quantum_floating_ip_associate
short_description: Associate/Disassociate a particular floating ip with an instance
description:
- Associates or disassociate's a specific floating ip with a particular instance
options:
login_username:
description:
- login username to authenticate to keystone
required: true
default: admin
login_password:
description:
- Password of login user
required: true
default: True
login_tenant_name:
description:
- The tenant name of the login user
required: true
default: True
auth_url:
description:
- The keystone url for authentication
required: false
default: 'http://127.0.0.1:35357/v2.0/'
region_name:
description:
- Name of the region
required: false
default: None
state:
description:
- Indicate desired state of the resource
choices: ['present', 'absent']
default: present
instance_name:
description:
- Name of the instance to which the public ip should be assigned
required: true
default: None
ip_address:
description:
- Floating ip that should be assigned to the instance
required: true
default: None
examples:
- code: "quantum_floating_ip_associate: state=present login_username=admin login_password=admin login_tenant_name=admin
ip_address=1.1.1.1 instance_name=vm1"
description: "Associate a specific floating ip with an Instance"
requirements: ["quantumclient", "keystoneclient"]
'''
def _get_ksclient(module, kwargs):
try:
kclient = ksclient.Client(username=kwargs.get('login_username'),
password=kwargs.get('login_password'),
tenant_name=kwargs.get('login_tenant_name'),
auth_url=kwargs.get('auth_url'))
except Exception as e:
module.fail_json(msg = "Error authenticating to the keystone: %s " % e.message)
global _os_keystone
_os_keystone = kclient
return kclient
def _get_endpoint(module, ksclient):
try:
endpoint = ksclient.service_catalog.url_for(service_type='network', endpoint_type='publicURL')
except Exception as e:
module.fail_json(msg = "Error getting endpoint for glance: %s" % e.message)
return endpoint
def _get_quantum_client(module, kwargs):
_ksclient = _get_ksclient(module, kwargs)
token = _ksclient.auth_token
endpoint = _get_endpoint(module, _ksclient)
kwargs = {
'token': token,
'endpoint_url': endpoint
}
try:
quantum = client.Client('2.0', **kwargs)
except Exception as e:
module.fail_json(msg = "Error in connecting to quantum: %s " % e.message)
return quantum
def _get_server_state(module, nova):
server_info = None
server = None
try:
for server in nova.servers.list():
if server:
info = server._info
if info['name'] == module.params['instance_name']:
if info['status'] != 'ACTIVE' and module.params['state'] == 'present':
module.fail_json( msg="The VM is available but not Active. state:" + info['status'])
server_info = info
break
except Exception as e:
module.fail_json(msg = "Error in getting the server list: %s" % e.message)
return server_info, server
def _get_port_id(quantum, module, instance_id):
kwargs = {
device_id': instance_id,
}
try:
ports = quantum.list_ports(**kwargs)
except Exception as e:
module.fail_json( msg = "Error in listing ports: %s" % e.message)
if not ports['ports']:
return None
return ports['ports'][0]['id']
def _get_floating_ip_id(module, quantum):
kwargs = {
'floating_ip_address': module.params['ip_address']
}
try:
ips = quantum.list_floatingips(**kwargs)
except Exception as e:
module.fail_json(msg = "error in fetching the floatingips's %s" % e.message)
if not ips['floatingips']:
module.fail_json(msg = "Could find the ip specified in parameter, Please check")
ip = ips['floatingips'][0]['id']
if not ips['floatingips'][0]['port_id']:
state = "detached"
else:
state = "attached"
return state, ip
def _update_floating_ip(quantum, module, port_id, floating_ip_id):
kwargs = {
'port_id': port_id
}
try:
result = quantum.update_floatingip(floating_ip_id, {'floatingip': kwargs})
except Exception as e:
module.fail_json( msg = "There was an error in updating the floating ip address: %s" % e.message)
module.exit_json( changed = True, result = result, public_ip=module.params['ip_address'])
def main():
module = AnsibleModule(
argument_spec = dict(
login_username = dict(default='admin'),
login_password = dict(required=True),
login_tenant_name = dict(required='True'),
auth_url = dict(default='http://127.0.0.1:35357/v2.0/'),
region_name = dict(default=None),
ip_address = dict(required=True),
instance_name = dict(required=True),
state = dict(default='present', choices=['absent', 'present'])
),
)
try:
nova = nova_client.Client(module.params['login_username'], module.params['login_password'], module.params['login_tenant_name'], module.params['auth_url'], service_type='compute')
except Exception as e:
module.fail_json( msg = " Error in authenticating to nova: %s" % e.message)
quantum = _get_quantum_client(module, module.params)
state, floating_ip_id = _get_floating_ip_id(module, quantum)
if module.params['state'] == 'present':
if state == 'attached':
module.exit_json(changed = False, result = 'attached', public_ip=module.params['ip_address'])
server_info, server_obj = _get_server_state(module, nova)
if not server_info:
module.fail_json( msg = " The instance name provided cannot be found")
port_id = _get_port_id(quantum, module, server_info['id'])
if not port_id:
module.fail_json(msg = "Cannot find a port for this instance, maybe fixed ip is not assigned")
_update_floating_ip(quantum, module, port_id, floating_ip_id)
if module.params['state'] == 'absent':
if state == 'detached':
module.exit_json(changed = False, result = 'detached')
if state == 'attached':
_update_floating_ip(quantum, module, None, floating_ip_id)
module.exit_json( changed = True, result = "detached")
# this is magic, see lib/ansible/module.params['common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()