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