280 lines
10 KiB
Python
280 lines
10 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 quantumclient.quantum import client
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from keystoneclient.v2_0 import client as ksclient
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except ImportError:
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print("failed=True msg='quantumclient and keystone client are required'")
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DOCUMENTATION = '''
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---
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module: quantum_network
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version_added: "1.4"
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short_description: Creates/Removes networks from OpenStack
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description:
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- Add or Remove network from OpenStack.
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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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tenant_name:
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description:
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- The name of the tenant for whom the network is created
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required: false
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default: None
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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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name:
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description:
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- Name to be assigned to the nework
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required: true
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default: None
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provider_network_type:
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description:
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- The type of the network to be created, gre, vlan, local. Available types depend on the plugin. The Quantum service decides if not specified.
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required: false
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default: None
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provider_physical_network:
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description:
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- The physical network which would realize the virtual network for flat and vlan networks.
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required: false
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default: None
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provider_segmentation_id:
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description:
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- The id that has to be assigned to the network, in case of vlan networks that would be vlan id and for gre the tunnel id
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required: false
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default: None
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router_external:
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description:
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- If 'yes', specifies that the virtual network is a external network (public).
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required: false
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default: false
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shared:
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description:
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- Whether this network is shared or not
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required: false
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default: false
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admin_state_up:
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description:
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- Whether the state should be marked as up or down
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required: false
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default: true
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requirements: ["quantumclient", "keystoneclient"]
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'''
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EXAMPLES = '''
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# Create a GRE backed Quantum network with tunnel id 1 for tenant1
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- quantum_network: name=t1network tenant_name=tenant1 state=present
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provider_network_type=gre provider_segmentation_id=1
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login_username=admin login_password=admin login_tenant_name=admin
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# Create an external network
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- quantum_network: name=external_network state=present
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provider_network_type=local router_external=yes
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login_username=admin login_password=admin login_tenant_name=admin
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'''
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_os_keystone = None
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_os_tenant_id = None
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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 Quantum: %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 _set_tenant_id(module):
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global _os_tenant_id
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if not module.params['tenant_name']:
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tenant_name = module.params['login_tenant_name']
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else:
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tenant_name = module.params['tenant_name']
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for tenant in _os_keystone.tenants.list():
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if tenant.name == tenant_name:
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_os_tenant_id = tenant.id
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break
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if not _os_tenant_id:
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module.fail_json(msg = "The tenant id cannot be found, please check the paramters")
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def _get_net_id(quantum, module):
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kwargs = {
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'tenant_id': _os_tenant_id,
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'name': module.params['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(msg = "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 _create_network(module, quantum):
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quantum.format = 'json'
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network = {
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'name': module.params.get('name'),
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'tenant_id': _os_tenant_id,
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'provider:network_type': module.params.get('provider_network_type'),
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'provider:physical_network': module.params.get('provider_physical_network'),
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'provider:segmentation_id': module.params.get('provider_segmentation_id'),
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'router:external': module.params.get('router_external'),
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'shared': module.params.get('shared'),
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'admin_state_up': module.params.get('admin_state_up'),
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}
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if module.params['provider_network_type'] == 'local':
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network.pop('provider:physical_network', None)
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network.pop('provider:segmentation_id', None)
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if module.params['provider_network_type'] == 'flat':
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network.pop('provider:segmentation_id', None)
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if module.params['provider_network_type'] == 'gre':
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network.pop('provider:physical_network', None)
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if module.params['provider_network_type'] is None:
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network.pop('provider:network_type', None)
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network.pop('provider:physical_network', None)
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network.pop('provider:segmentation_id', None)
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try:
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net = quantum.create_network({'network':network})
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except Exception as e:
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module.fail_json(msg = "Error in creating network: %s" % e.message)
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return net['network']['id']
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def _delete_network(module, net_id, quantum):
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try:
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id = quantum.delete_network(net_id)
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except Exception as e:
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module.fail_json(msg = "Error in deleting the network: %s" % e.message)
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return True
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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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name = dict(required=True),
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tenant_name = dict(default=None),
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provider_network_type = dict(default=None, choices=['local', 'vlan', 'flat', 'gre']),
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provider_physical_network = dict(default=None),
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provider_segmentation_id = dict(default=None),
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router_external = dict(default=False, type='bool'),
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shared = dict(default=False, type='bool'),
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admin_state_up = dict(default=True, type='bool'),
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state = dict(default='present', choices=['absent', 'present'])
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),
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)
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if module.params['provider_network_type'] in ['vlan' , 'flat']:
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if not module.params['provider_physical_network']:
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module.fail_json(msg = " for vlan and flat networks, variable provider_physical_network should be set.")
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if module.params['provider_network_type'] in ['vlan', 'gre']:
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if not module.params['provider_segmentation_id']:
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module.fail_json(msg = " for vlan & gre networks, variable provider_segmentation_id should be set.")
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quantum = _get_quantum_client(module, module.params)
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_set_tenant_id(module)
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if module.params['state'] == 'present':
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network_id = _get_net_id(quantum, module)
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if not network_id:
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network_id = _create_network(module, quantum)
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module.exit_json(changed = True, result = "Created", id = network_id)
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else:
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module.exit_json(changed = False, result = "Success", id = network_id)
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if module.params['state'] == 'absent':
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network_id = _get_net_id(quantum, module)
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if not network_id:
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module.exit_json(changed = False, result = "Success")
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else:
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_delete_network(module, network_id, quantum)
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module.exit_json(changed = True, result = "Deleted")
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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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