ansible/library/cloud/quantum_router
2013-06-17 08:53:46 +02:00

210 lines
6.8 KiB
Python

#!/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
short_description: Create or Remove router from openstack
description:
- Create or Delete routers 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'
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 give to the router
required: true
default: None
tenant_name:
description:
- Name of the tenant for which the router has to be created, if none router would be created for the login tenant.
required: false
default: None
admin_state_up:
description:
- desired admin state of the created router .
required: false
default: true
requirements: ["quantumclient", "keystoneclient"]
'''
EXAMPLES = '''
# Creates a router for tenant admin
- quantum_router: state=present
login_username=admin
login_password=admin
login_tenant_name=admin
name=router1"
'''
_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['name'],
'tenant_id': _os_tenant_id,
}
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 _create_router(module, quantum):
router = {
'name': module.params['name'],
'tenant_id': _os_tenant_id,
'admin_state_up': module.params['admin_state_up'],
}
try:
new_router = quantum.create_router(dict(router=router))
except Exception as e:
module.fail_json( msg = "Error in creating router: %s" % e.message)
return new_router['router']['id']
def _delete_router(module, quantum, router_id):
try:
quantum.delete_router(router_id)
except:
module.fail_json("Error in deleting the router")
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),
state = dict(default='present', choices=['absent', 'present']),
admin_state_up = dict(type='bool', default=True),
),
)
quantum = _get_quantum_client(module, module.params)
_set_tenant_id(module)
if module.params['state'] == 'present':
router_id = _get_router_id(module, quantum)
if not router_id:
router_id = _create_router(module, quantum)
module.exit_json(changed=True, result="Created", id=router_id)
else:
module.exit_json(changed=False, result="success" , id=router_id)
else:
router_id = _get_router_id(module, quantum)
if not router_id:
module.exit_json(changed=False, result="success")
else:
_delete_router(module, quantum, router_id)
module.exit_json(changed=True, result="deleted")
# this is magic, see lib/ansible/module.params['common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()