289 lines
9.7 KiB
Python
289 lines
9.7 KiB
Python
#!/usr/bin/python
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#coding: utf-8 -*-
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# (c) 2013, Benno Joy <benno@ansible.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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try:
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from neutronclient.neutron import client
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except ImportError:
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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 (or neutronclient) and keystoneclient are required'")
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DOCUMENTATION = '''
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---
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module: quantum_subnet
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version_added: "1.2"
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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: True
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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: True
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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 network to which the subnet should be attached
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required: true
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default: None
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cidr:
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description:
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- The CIDR representation of the subnet that should be assigned to the subnet
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required: true
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default: None
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tenant_name:
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description:
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- The name of the tenant for whom the subnet should be created
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required: false
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default: None
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ip_version:
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description:
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- The IP version of the subnet 4 or 6
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required: false
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default: 4
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enable_dhcp:
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description:
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- Whether DHCP should be enabled for this subnet.
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required: false
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default: true
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gateway_ip:
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description:
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- The ip that would be assigned to the gateway for this subnet
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required: false
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default: None
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dns_nameservers:
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description:
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- DNS nameservers for this subnet, comma-separated
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required: false
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default: None
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allocation_pool_start:
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description:
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- From the subnet pool the starting address from which the IP should be allocated
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required: false
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default: None
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allocation_pool_end:
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description:
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- From the subnet pool the last IP that should be assigned to the virtual machines
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required: false
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default: None
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requirements: ["quantumclient", "neutronclient", "keystoneclient"]
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'''
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EXAMPLES = '''
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# Create a subnet for a tenant with the specified subnet
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- quantum_subnet: state=present login_username=admin login_password=admin
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login_tenant_name=admin tenant_name=tenant1
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network_name=network1 name=net1subnet cidr=192.168.0.0/24"
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'''
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_os_keystone = None
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_os_tenant_id = None
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_os_network_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, 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, e:
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module.fail_json(msg = "Error getting network endpoint: %s" % e.message)
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return endpoint
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def _get_neutron_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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neutron = client.Client('2.0', **kwargs)
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except Exception, e:
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module.fail_json(msg = " Error in connecting to neutron: %s" % e.message)
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return neutron
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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(neutron, module):
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kwargs = {
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'tenant_id': _os_tenant_id,
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'name': module.params['network_name'],
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}
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try:
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networks = neutron.list_networks(**kwargs)
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except Exception, e:
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module.fail_json("Error in listing neutron 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 _get_subnet_id(module, neutron):
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global _os_network_id
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subnet_id = None
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_os_network_id = _get_net_id(neutron, module)
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if not _os_network_id:
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module.fail_json(msg = "network id of network not found.")
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else:
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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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subnets = neutron.list_subnets(**kwargs)
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except Exception, e:
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module.fail_json( msg = " Error in getting the subnet list:%s " % e.message)
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if not subnets['subnets']:
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return None
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return subnets['subnets'][0]['id']
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def _create_subnet(module, neutron):
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neutron.format = 'json'
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subnet = {
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'name': module.params['name'],
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'ip_version': module.params['ip_version'],
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'enable_dhcp': module.params['enable_dhcp'],
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'tenant_id': _os_tenant_id,
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'gateway_ip': module.params['gateway_ip'],
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'dns_nameservers': module.params['dns_nameservers'],
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'network_id': _os_network_id,
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'cidr': module.params['cidr'],
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}
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if module.params['allocation_pool_start'] and module.params['allocation_pool_end']:
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allocation_pools = [
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{
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'start' : module.params['allocation_pool_start'],
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'end' : module.params['allocation_pool_end']
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}
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]
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subnet.update({'allocation_pools': allocation_pools})
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if not module.params['gateway_ip']:
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subnet.pop('gateway_ip')
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if module.params['dns_nameservers']:
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subnet['dns_nameservers'] = module.params['dns_nameservers'].split(',')
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else:
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subnet.pop('dns_nameservers')
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try:
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new_subnet = neutron.create_subnet(dict(subnet=subnet))
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except Exception, e:
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module.fail_json(msg = "Failure in creating subnet: %s" % e.message)
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return new_subnet['subnet']['id']
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def _delete_subnet(module, neutron, subnet_id):
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try:
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neutron.delete_subnet(subnet_id)
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except Exception, e:
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module.fail_json( msg = "Error in deleting subnet: %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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network_name = dict(required=True),
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cidr = dict(required=True),
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tenant_name = dict(default=None),
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state = dict(default='present', choices=['absent', 'present']),
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ip_version = dict(default='4', choices=['4', '6']),
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enable_dhcp = dict(default='true', type='bool'),
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gateway_ip = dict(default=None),
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dns_nameservers = dict(default=None),
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allocation_pool_start = dict(default=None),
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allocation_pool_end = dict(default=None),
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),
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)
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neutron = _get_neutron_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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subnet_id = _get_subnet_id(module, neutron)
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if not subnet_id:
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subnet_id = _create_subnet(module, neutron)
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module.exit_json(changed = True, result = "Created" , id = subnet_id)
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else:
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module.exit_json(changed = False, result = "success" , id = subnet_id)
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else:
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subnet_id = _get_subnet_id(module, neutron)
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if not subnet_id:
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module.exit_json(changed = False, result = "success")
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else:
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_delete_subnet(module, neutron, subnet_id)
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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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from ansible.module_utils.basic import *
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main()
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