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#!/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 neutronclient.neutron import client
from keystoneclient.v2_0 import client as ksclient
except ImportError:
print("failed=True msg='neutronclient and keystone client are required'")
DOCUMENTATION = '''
---
module: neutron_network
version_added: "1.4"
short_description: Creates/Removes networks from OpenStack
description:
- Add or Remove network from OpenStack.
options:
login_username:
description:
- login username to authenticate to keystone
required: true
default: admin
login_password:
description:
- Password of login user
required: true
default: 'yes'
login_tenant_name:
description:
- The tenant name of the login user
required: true
default: 'yes'
tenant_name:
description:
- The name of the tenant for whom the network is created
required: false
default: None
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
name:
description:
- Name to be assigned to the nework
required: true
default: None
provider_network_type:
description:
- The type of the network to be created, gre, vxlan, vlan, local. Available types depend on the plugin. The Neutron service decides if not specified.
required: false
default: None
provider_physical_network:
description:
- The physical network which would realize the virtual network for flat and vlan networks.
required: false
default: None
provider_segmentation_id:
description:
- The id that has to be assigned to the network, in case of vlan networks that would be vlan id, for gre the tunnel id and for vxlan the VNI.
required: false
default: None
router_external:
description:
- If 'yes', specifies that the virtual network is a external network (public).
required: false
default: false
shared:
description:
- Whether this network is shared or not
required: false
default: false
admin_state_up:
description:
- Whether the state should be marked as up or down
required: false
default: true
requirements: ["neutronclient", "keystoneclient"]
'''
EXAMPLES = '''
# Create a GRE backed Neutron network with tunnel id 1 for tenant1
- neutron_network: name=t1network tenant_name=tenant1 state=present
provider_network_type=gre provider_segmentation_id=1
login_username=admin login_password=admin login_tenant_name=admin
# Create an external network
- neutron_network: name=external_network state=present
provider_network_type=local router_external=yes
login_username=admin login_password=admin login_tenant_name=admin
'''
_os_keystone = None
_os_tenant_id = None
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 Neutron: %s " %e.message)
return endpoint
def _get_neutron_client(module, kwargs):
_ksclient = _get_ksclient(module, kwargs)
token = _ksclient.auth_token
endpoint = _get_endpoint(module, _ksclient)
kwargs = {
'token': token,
'endpoint_url': endpoint
}
try:
neutron = client.Client('2.0', **kwargs)
except Exception as e:
module.fail_json(msg = " Error in connecting to Neutron: %s " %e.message)
return neutron
def _set_tenant_id(module):
global _os_tenant_id
if not module.params['tenant_name']:
tenant_name = module.params['login_tenant_name']
else:
tenant_name = module.params['tenant_name']
for tenant in _os_keystone.tenants.list():
if tenant.name == tenant_name:
_os_tenant_id = tenant.id
break
if not _os_tenant_id:
module.fail_json(msg = "The tenant id cannot be found, please check the paramters")
def _get_net_id(neutron, module):
kwargs = {
'tenant_id': _os_tenant_id,
'name': module.params['name'],
}
try:
networks = neutron.list_networks(**kwargs)
except Exception as e:
module.fail_json(msg = "Error in listing Neutron networks: %s" % e.message)
if not networks['networks']:
return None
return networks['networks'][0]['id']
def _create_network(module, neutron):
neutron.format = 'json'
network = {
'name': module.params.get('name'),
'tenant_id': _os_tenant_id,
'provider:network_type': module.params.get('provider_network_type'),
'provider:physical_network': module.params.get('provider_physical_network'),
'provider:segmentation_id': module.params.get('provider_segmentation_id'),
'router:external': module.params.get('router_external'),
'shared': module.params.get('shared'),
'admin_state_up': module.params.get('admin_state_up'),
}
if module.params['provider_network_type'] == 'local':
network.pop('provider:physical_network', None)
network.pop('provider:segmentation_id', None)
if module.params['provider_network_type'] == 'flat':
network.pop('provider:segmentation_id', None)
if module.params['provider_network_type'] == 'gre':
network.pop('provider:physical_network', None)
if module.params['provider_network_type'] == 'vxlan':
network.pop('provider:physical_network', None)
if module.params['provider_network_type'] is None:
network.pop('provider:network_type', None)
network.pop('provider:physical_network', None)
network.pop('provider:segmentation_id', None)
try:
net = neutron.create_network({'network':network})
except Exception as e:
module.fail_json(msg = "Error in creating network: %s" % e.message)
return net['network']['id']
def _delete_network(module, net_id, neutron):
try:
id = neutron.delete_network(net_id)
except Exception as e:
module.fail_json(msg = "Error in deleting the network: %s" % e.message)
return True
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),
name = dict(required=True),
tenant_name = dict(default=None),
provider_network_type = dict(default=None, choices=['local', 'vlan', 'flat', 'gre', 'vxlan']),
provider_physical_network = dict(default=None),
provider_segmentation_id = dict(default=None),
router_external = dict(default=False, type='bool'),
shared = dict(default=False, type='bool'),
admin_state_up = dict(default=True, type='bool'),
state = dict(default='present', choices=['absent', 'present'])
),
)
if module.params['provider_network_type'] in ['vlan' , 'flat']:
if not module.params['provider_physical_network']:
module.fail_json(msg = " for vlan and flat networks, variable provider_physical_network should be set.")
if module.params['provider_network_type'] in ['vlan', 'gre', 'vxlan']:
if not module.params['provider_segmentation_id']:
module.fail_json(msg = " for vlan, gre & vxlan networks, variable provider_segmentation_id should be set.")
neutron = _get_neutron_client(module, module.params)
_set_tenant_id(module)
if module.params['state'] == 'present':
network_id = _get_net_id(neutron, module)
if not network_id:
network_id = _create_network(module, neutron)
module.exit_json(changed = True, result = "Created", id = network_id)
else:
module.exit_json(changed = False, result = "Success", id = network_id)
if module.params['state'] == 'absent':
network_id = _get_net_id(neutron, module)
if not network_id:
module.exit_json(changed = False, result = "Success")
else:
_delete_network(module, network_id, neutron)
module.exit_json(changed = True, result = "Deleted")
# this is magic, see lib/ansible/module.params['common.py
from ansible.module_utils.basic import *
main()
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