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ansible/net_infrastructure/a10_service_group

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#!/usr/bin/python
# -*- coding: utf-8 -*-
"""
Ansible module to manage A10 Networks slb service-group objects
(c) 2014, Mischa Peters <mpeters@a10networks.com>
This file is part of Ansible
Ansible 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.
Ansible 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 Ansible. If not, see <http://www.gnu.org/licenses/>.
"""
DOCUMENTATION = '''
---
module: a10_service_group
version_added: 1.0
short_description: Manage A10 Networks AX/SoftAX/Thunder/vThunder devices
description:
- Manage slb service-group objects on A10 Networks devices via aXAPI
author: Mischa Peters
notes:
- Requires A10 Networks aXAPI 2.1
- When a server doesn't exist and is added to the service-group the server will be created
requirements:
- urllib2
- re
options:
host:
description:
- hostname or ip of your A10 Networks device
required: true
default: null
aliases: []
choices: []
username:
description:
- admin account of your A10 Networks device
required: true
default: null
aliases: ['user', 'admin']
choices: []
password:
description:
- admin password of your A10 Networks device
required: true
default: null
aliases: ['pass', 'pwd']
choices: []
service_group:
description:
- slb service-group name
required: true
default: null
aliases: ['service', 'pool', 'group']
choices: []
service_group_protocol:
description:
- slb service-group protocol
required: false
default: tcp
aliases: ['proto', 'protocol']
choices: ['tcp', 'udp']
service_group_method:
description:
- slb service-group loadbalancing method
required: false
default: round-robin
aliases: ['method']
choices: ['round-robin', 'weighted-rr', 'least-connection', 'weighted-least-connection', 'service-least-connection', 'service-weighted-least-connection', 'fastest-response', 'least-request', 'round-robin-strict', 'src-ip-only-hash', 'src-ip-hash']
server_name:
description:
- slb server name
required: false
default: null
aliases: ['server', 'member']
choices: []
server_port:
description:
- slb server port
required: false
default: null
aliases: ['port']
choices: []
server_status:
description:
- slb server status
required: false
default: enabled
aliases: ['status']
choices: ['enable', 'disable']
state:
description:
- create, remove or update slb service-group
required: false
default: present
aliases: []
choices: ['present', 'absent']
'''
EXAMPLES = '''
# Create a new service-group
ansible host -m a10_service_group -a "host=a10adc.example.com username=axapiuser password=axapipass service_group=sg-80-tcp"
# Add a server
ansible host -m a10_service_group -a "host=a10adc.example.com username=axapiuser password=axapipass service_group=sg-80-tcp server_name=realserver1 server_port=80"
# Disable a server
ansible host -m a10_service_group -a "host=a10adc.example.com username=axapiuser password=axapipass service_group=sg-80-tcp server_name=realserver1 server_port=80 status=disable"
'''
import urllib2
def axapi_call(url, post=None):
result = urllib2.urlopen(url, post).read()
return result
def axapi_authenticate(base_url, user, pwd):
url = base_url + '&method=authenticate&username=' + user + '&password=' + pwd
sessid = json.loads(axapi_call(url))['session_id']
result = base_url + '&session_id=' + sessid
return result
def main():
global module
module = AnsibleModule(
argument_spec=dict(
host = dict(type='str', required=True),
username = dict(type='str', aliases=['user', 'admin'], required=True),
password = dict(type='str', aliases=['pass', 'pwd'], required=True),
service_group = dict(type='str', aliases=['service', 'pool', 'group'], required=True),
service_group_protocol = dict(type='str', default='tcp', aliases=['proto', 'protocol'], choices=['tcp', 'udp']),
service_group_method = dict(type='str', default='round-robin', aliases=['method'], choices=['round-robin', 'weighted-rr', 'least-connection', 'weighted-least-connection', 'service-least-connection', 'service-weighted-least-connection', 'fastest-response', 'least-request', 'round-robin-strict', 'src-ip-only-hash', 'src-ip-hash']),
server_name = dict(type='str', aliases=['server', 'member']),
server_port = dict(type='int', aliases=['port']),
server_status = dict(type='str', default='enable', aliases=['status'], choices=['enable', 'disable']),
state = dict(type='str', default='present', choices=['present', 'absent']),
),
supports_check_mode=False
)
host = module.params['host']
user = module.params['username']
pwd = module.params['password']
slb_service_group = module.params['service_group']
slb_service_group_proto = module.params['service_group_protocol']
slb_service_group_method = module.params['service_group_method']
slb_server = module.params['server_name']
slb_server_port = module.params['server_port']
slb_server_status = module.params['server_status']
state = module.params['state']
axapi_base_url = 'https://' + host + '/services/rest/V2.1/?format=json'
load_balancing_methods = { 'round-robin': 0,
'weighted-rr': 1,
'least-connection': 2,
'weighted-least-connection': 3,
'service-least-connection': 4,
'service-weighted-least-connection': 5,
'fastest-response': 6,
'least-request': 7,
'round-robin-strict': 8,
'src-ip-only-hash': 14,
'src-ip-hash': 15}
if slb_service_group_proto == 'tcp' or slb_service_group_proto == 'TCP':
protocol = '2'
else:
protocol = '3'
if slb_server_status == 'enable':
status = '1'
else:
status = '0'
if slb_service_group is None:
module.fail_json(msg='service_group is required')
if slb_server is None and slb_server_port is None:
json_post = {'service_group': { 'name': slb_service_group, 'protocol': protocol, 'lb_method': load_balancing_methods[slb_service_group_method] }}
elif slb_server is not None and slb_server_port is not None:
json_post = {'service_group': { 'name': slb_service_group, 'protocol': protocol, 'lb_method': load_balancing_methods[slb_service_group_method], 'member_list': [{ 'server': slb_server, 'port': slb_server_port, 'status': status }]}}
else:
module.fail_json(msg='server_name and server_name_port are required to add to the service-group')
try:
session_url = axapi_authenticate(axapi_base_url, user, pwd)
if state == 'present':
response = axapi_call(session_url + '&method=slb.service_group.search', json.dumps({ 'name': slb_service_group }))
slb_service_group_exist = re.search(slb_service_group, response, re.I)
if slb_service_group_exist is None:
response = axapi_call(session_url + '&method=slb.service_group.create', json.dumps(json_post))
else:
response = axapi_call(session_url + '&method=slb.service_group.update', json.dumps(json_post))
if state == 'absent':
response = axapi_call(session_url + '&method=slb.service_group.delete', json.dumps({ 'name': slb_service_group }))
result = json.loads(response)
axapi_call(session_url + '&method=session.close')
except Exception, e:
return module.fail_json(msg='received exception: %s' % e)
module.exit_json(changed=True, content=result)
from ansible.module_utils.basic import *
main()