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community.general/library/cloud/quantum_router_interface
Michael DeHaan 3a635d2d26 Lots of formatting fixes
2013-05-24 23:46:23 -04:00

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8.3 KiB
Python
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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 quantumclient.quantum import client
from keystoneclient.v2_0 import client as ksclient
except ImportError:
print("failed=True msg='quantumclient and keystone client are required'")
DOCUMENTATION = '''
---
module: quantum_router_interface
short_description: Attach/Dettach a subnet's interface to a router
description:
- Attach/Dettach a subnet interface to a router, to provide a gateway for the subnet.
options:
login_username:
description:
- login username to authenticate to keystone
required: true
default: admin
login_password:
description:
- Password of login user
required: true
default: True
login_tenant_name:
description:
- The tenant name of the login user
required: true
default: True
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
router_name:
description:
- Name of the router to which the subnet's interface should be attached.
required: true
default: None
subnet_name:
description:
- Name of the subnet to whose interface should be attached to the router.
required: true
default: None
tenant_name:
description:
- Name of the tenant whose subnet has to be attached.
required: false
default: None
examples:
- code: "quantum_router_interface: state=present login_username=admin login_password=admin login_tenant_name=admin
tenant_name=tenant1 router_name=external_route subnet_name=t1subnet"
description: "Attach tenant1's subnet to the external router"
requirements: ["quantumclient", "keystoneclient"]
'''
_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 glance: %s" % e.message)
return endpoint
def _get_quantum_client(module, kwargs):
_ksclient = _get_ksclient(module, kwargs)
token = _ksclient.auth_token
endpoint = _get_endpoint(module, _ksclient)
kwargs = {
'token': token,
'endpoint_url': endpoint
}
try:
quantum = client.Client('2.0', **kwargs)
except Exception as e:
module.fail_json(msg = "Error in connecting to quantum: %s " % e.message)
return quantum
def _set_tenant_id(module):
global _os_tenant_id
if not module.params['tenant_name']:
login_tenant_name = module.params['login_tenant_name']
else:
login_tenant_name = module.params['tenant_name']
for tenant in _os_keystone.tenants.list():
if tenant.name == login_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_router_id(module, quantum):
kwargs = {
'name': module.params['router_name'],
}
try:
routers = quantum.list_routers(**kwargs)
except Exception as e:
module.fail_json(msg = "Error in getting the router list: %s " % e.message)
if not routers['routers']:
return None
return routers['routers'][0]['id']
def _get_subnet_id(module, quantum):
subnet_id = None
kwargs = {
'tenant_id': _os_tenant_id,
'name': module.params['subnet_name'],
}
try:
subnets = quantum.list_subnets(**kwargs)
except Exception as e:
module.fail_json( msg = " Error in getting the subnet list:%s " % e.message)
if not subnets['subnets']:
return None
return subnets['subnets'][0]['id']
def _get_port_id(quantum, module, router_id, subnet_id):
kwargs = {
'tenant_id': _os_tenant_id,
'device_id': router_id,
}
try:
ports = quantum.list_ports(**kwargs)
except Exception as e:
module.fail_json( msg = "Error in listing ports: %s" % e.message)
if not ports['ports']:
return None
for port in ports['ports']:
for subnet in port['fixed_ips']:
if subnet['subnet_id'] == subnet_id:
return port['id']
return None
def _add_interface_router(quantum, module, router_id, subnet_id):
kwargs = {
'subnet_id': subnet_id
}
try:
quantum.add_interface_router(router_id, kwargs)
except Exception as e:
module.fail_json(msg = "Error in adding interface to router: %s" % e.message)
return True
def _remove_interface_router(quantum, module, router_id, subnet_id):
kwargs = {
'subnet_id': subnet_id
}
try:
quantum.remove_interface_router(router_id, kwargs)
except Exception as e:
module.fail_json(msg = "Error in removing interface from router: %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),
router_name = dict(required=True),
subnet_name = dict(required=True),
tenant_name = dict(default=None),
state = dict(default='present', choices=['absent', 'present']),
),
)
quantum = _get_quantum_client(module, module.params)
_set_tenant_id(module)
router_id = _get_router_id(module, quantum)
if not router_id:
module.fail_json(msg = "failed to get the router id, please check the router name")
subnet_id = _get_subnet_id(module, quantum)
if not subnet_id:
module.fail_json(msg = "failed to get the subnet id, please check the subnet name")
if module.params['state'] == 'present':
port_id = _get_port_id(quantum, module, router_id, subnet_id)
if not port_id:
_add_interface_router(quantum, module, router_id, subnet_id)
module.exit_json(changed = True, result = "created", id = port_id)
module.exit_json(changed = False, result = "success", id = port_id)
if module.params['state'] == 'absent':
port_id = _get_port_id(quantum, module, router_id, subnet_id)
if not port_id:
module.exit_json(changed = False, result = "Sucess")
_remove_interface_router(quantum, module, router_id, subnet_id)
module.exit_json(changed = True, result = "Deleted")
# this is magic, see lib/ansible/module.params['common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()
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