242 lines
8.3 KiB
Python
242 lines
8.3 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_router_interface
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short_description: Attach/Dettach a subnet's interface to a router
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description:
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- Attach/Dettach a subnet interface to a router, to provide a gateway for the subnet.
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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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router_name:
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description:
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- Name of the router to which the subnet's interface should be attached.
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required: true
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default: None
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subnet_name:
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description:
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- Name of the subnet to whose interface should be attached to the router.
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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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- Name of the tenant whose subnet has to be attached.
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required: false
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default: None
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examples:
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- code: "quantum_router_interface: state=present login_username=admin login_password=admin login_tenant_name=admin
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tenant_name=tenant1 router_name=external_route subnet_name=t1subnet"
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description: "Attach tenant1's subnet to the external router"
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requirements: ["quantumclient", "keystoneclient"]
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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 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 _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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login_tenant_name = module.params['login_tenant_name']
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else:
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login_tenant_name = module.params['tenant_name']
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for tenant in _os_keystone.tenants.list():
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if tenant.name == login_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_router_id(module, quantum):
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kwargs = {
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'name': module.params['router_name'],
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}
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try:
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routers = quantum.list_routers(**kwargs)
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except Exception as e:
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module.fail_json(msg = "Error in getting the router list: %s " % e.message)
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if not routers['routers']:
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return None
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return routers['routers'][0]['id']
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def _get_subnet_id(module, quantum):
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subnet_id = None
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kwargs = {
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'tenant_id': _os_tenant_id,
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'name': module.params['subnet_name'],
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}
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try:
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subnets = quantum.list_subnets(**kwargs)
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except Exception as 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 _get_port_id(quantum, module, router_id, subnet_id):
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kwargs = {
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'tenant_id': _os_tenant_id,
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'device_id': router_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
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for port in ports['ports']:
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for subnet in port['fixed_ips']:
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if subnet['subnet_id'] == subnet_id:
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return port['id']
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return None
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def _add_interface_router(quantum, module, router_id, subnet_id):
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kwargs = {
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'subnet_id': subnet_id
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}
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try:
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quantum.add_interface_router(router_id, kwargs)
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except Exception as e:
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module.fail_json(msg = "Error in adding interface to router: %s" % e.message)
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return True
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def _remove_interface_router(quantum, module, router_id, subnet_id):
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kwargs = {
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'subnet_id': subnet_id
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}
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try:
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quantum.remove_interface_router(router_id, kwargs)
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except Exception as e:
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module.fail_json(msg="Error in removing interface from router: %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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router_name = dict(required=True),
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subnet_name = 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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),
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)
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quantum = _get_quantum_client(module, module.params)
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_set_tenant_id(module)
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router_id = _get_router_id(module, quantum)
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if not router_id:
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module.fail_json(msg="failed to get the router id, please check the router name")
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subnet_id = _get_subnet_id(module, quantum)
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if not subnet_id:
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module.fail_json(msg="failed to get the subnet id, please check the subnet name")
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if module.params['state'] == 'present':
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port_id = _get_port_id(quantum, module, router_id, subnet_id)
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if not port_id:
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_add_interface_router(quantum, module, router_id, subnet_id)
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module.exit_json(changed=True, result="created", id=port_id)
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module.exit_json(changed=False, result="success", id=port_id)
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if module.params['state'] == 'absent':
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port_id = _get_port_id(quantum, module, router_id, subnet_id)
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if not port_id:
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module.exit_json(changed = False, result = "Sucess")
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_remove_interface_router(quantum, module, router_id, 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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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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