Module to manage f5 virtual servers

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Michael Perzel 2015-05-29 14:16:05 -05:00 committed by Adrian Likins
parent 33281cc93e
commit 677a2dd66d

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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# (c) 2015, Michael Perzel
#
# 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: bigip_gtm_virtual_server
short_description: "Manages F5 BIG-IP GTM virtual servers"
description:
- "Manages F5 BIG-IP GTM virtual servers"
version_added: "2.2"
author: 'Michael Perzel'
notes:
- "Requires BIG-IP software version >= 11.4"
- "F5 developed module 'bigsuds' required (see http://devcentral.f5.com)"
- "Best run as a local_action in your playbook"
- "Tested with manager and above account privilege level"
requirements:
- bigsuds
options:
server:
description:
- BIG-IP host
required: true
user:
description:
- BIG-IP username
required: true
password:
description:
- BIG-IP password
required: true
state:
description:
- Virtual server state
required: false
default: present
choices: ['present', 'absent','enabled','disabled']
virtual_server_name:
description:
- Virtual server name
required: True
virtual_server_server:
description:
- Virtual server server
required: true
host:
description:
- Virtual server host
required: false
default: None
aliases: ['address']
port:
description:
- Virtual server port
required: false
default: None
'''
EXAMPLES = '''
- name: Enable virtual server
local_action: >
bigip_gtm_virtual_server
server=192.168.0.1
user=admin
password=mysecret
virtual_server_name=myname
virtual_server_server=myserver
state=enabled
'''
RETURN = '''# '''
try:
import bigsuds
except ImportError:
bigsuds_found = False
else:
bigsuds_found = True
def bigip_api(server, user, password):
api = bigsuds.BIGIP(hostname=server, username=user, password=password)
return api
def server_exists(api, server):
# hack to determine if virtual server exists
result = False
try:
api.GlobalLB.Server.get_object_status([server])
result = True
except bigsuds.OperationFailed, e:
if "was not found" in str(e):
result = False
else:
# genuine exception
raise
return result
def virtual_server_exists(api, name, server):
# hack to determine if virtual server exists
result = False
try:
virtual_server_id = {'name': name, 'server': server}
api.GlobalLB.VirtualServerV2.get_object_status([virtual_server_id])
result = True
except bigsuds.OperationFailed, e:
if "was not found" in str(e):
result = False
else:
# genuine exception
raise
return result
def add_virtual_server(api, virtual_server_name, virtual_server_server, address, port):
addresses = {'address': address, 'port': port}
virtual_server_id = {'name': virtual_server_name, 'server': virtual_server_server}
api.GlobalLB.VirtualServerV2.create([virtual_server_id], [addresses])
def remove_virtual_server(api, virtual_server_name, virtual_server_server):
virtual_server_id = {'name': virtual_server_name, 'server': virtual_server_server}
api.GlobalLB.VirtualServerV2.delete_virtual_server([virtual_server_id])
def get_virtual_server_state(api, name, server):
virtual_server_id = {'name': name, 'server': server}
state = api.GlobalLB.VirtualServerV2.get_enabled_state([virtual_server_id])
state = state[0].split('STATE_')[1].lower()
return state
def set_virtual_server_state(api, name, server, state):
virtual_server_id = {'name': name, 'server': server}
state = "STATE_%s" % state.strip().upper()
api.GlobalLB.VirtualServerV2.set_enabled_state([virtual_server_id], [state])
def main():
module = AnsibleModule(
argument_spec=dict(
server=dict(type='str', required=True),
user=dict(type='str', required=True),
password=dict(type='str', required=True, no_log=True),
state=dict(type='str', default='present', choices=['present', 'absent', 'enabled', 'disabled']),
host=dict(type='str', default=None, aliases=['address']),
port=dict(type='int', default=None),
virtual_server_name=dict(type='str', required=True),
virtual_server_server=dict(type='str', required=True)
),
supports_check_mode=True
)
if not bigsuds_found:
module.fail_json(msg="the python bigsuds module is required")
server = module.params['server']
user = module.params['user']
password = module.params['password']
virtual_server_name = module.params['virtual_server_name']
virtual_server_server = module.params['virtual_server_server']
state = module.params['state']
address = module.params['host']
port = module.params['port']
result = {'changed': False} # default
try:
api = bigip_api(server, user, password)
if state == 'absent':
if virtual_server_exists(api, virtual_server_name, virtual_server_server):
if not module.check_mode:
remove_virtual_server(api, virtual_server_name, virtual_server_server)
result = {'changed': True}
else:
# check-mode return value
result = {'changed': True}
elif state == 'present':
if virtual_server_name and virtual_server_server and address and port:
if not virtual_server_exists(api, virtual_server_name, virtual_server_server):
if not module.check_mode:
if server_exists(api, virtual_server_server):
add_virtual_server(api, virtual_server_name, virtual_server_server, address, port)
result = {'changed': True}
else:
module.fail_json(msg="server does not exist")
else:
# check-mode return value
result = {'changed': True}
else:
# virtual server exists -- potentially modify attributes --future feature
result = {'changed': False}
else:
module.fail_json(msg="Address and port are required to create virtual server")
elif state == 'enabled':
if not virtual_server_exists(api, virtual_server_name, virtual_server_server):
module.fail_json(msg="virtual server does not exist")
if state != get_virtual_server_state(api, virtual_server_name, virtual_server_server):
if not module.check_mode:
set_virtual_server_state(api, virtual_server_name, virtual_server_server, state)
result = {'changed': True}
else:
result = {'changed': True}
elif state == 'disabled':
if not virtual_server_exists(api, virtual_server_name, virtual_server_server):
module.fail_json(msg="virtual server does not exist")
if state != get_virtual_server_state(api, virtual_server_name, virtual_server_server):
if not module.check_mode:
set_virtual_server_state(api, virtual_server_name, virtual_server_server, state)
result = {'changed': True}
else:
result = {'changed': True}
except Exception, e:
module.fail_json(msg="received exception: %s" % e)
module.exit_json(**result)
# import module snippets
from ansible.module_utils.basic import *
if __name__ == '__main__':
main()