ansible/net_infrastructure/bigip_monitor_http

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#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2013, serge van Ginderachter <serge@vanginderachter.be>
# based on Matt Hite's bigip_pool module
# (c) 2013, Matt Hite <mhite@hotmail.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: bigip_monitor_http
short_description: "Manages F5 BIG-IP LTM http monitors"
description:
- "Manages F5 BIG-IP LTM monitors via iControl SOAP API"
version_added: "1.3"
author: Serge van Ginderachter
notes:
- "Requires BIG-IP software version >= 11"
- "F5 developed module 'bigsuds' required (see http://devcentral.f5.com)"
- "Best run as a local_action in your playbook"
- "Monitor API documentation: https://devcentral.f5.com/wiki/iControl.LocalLB__Monitor.ashx"
requirements:
- bigsuds
options:
server:
description:
- BIG-IP host
required: true
default: null
choices: []
aliases: []
user:
description:
- BIG-IP username
required: true
default: null
choices: []
aliases: []
password:
description:
- BIG-IP password
required: true
default: null
choices: []
aliases: []
state:
description:
- Monitor state
required: false
default: 'present'
choices: ['present', 'absent']
aliases: []
name:
description:
- Monitor name
required: true
default: null
choices: []
aliases: ['monitor']
partition:
description:
- Partition for the monitor
required: false
default: 'Common'
choices: []
aliases: []
parent:
description:
- The parent template of this monitor template
required: false
default: 'http'
choices: []
aliases: []
parent_partition:
description:
- Partition for the parent monitor
required: false
default: 'Common'
choices: []
aliases: []
send:
description:
required: true
default: null
choices: []
aliases: []
receive:
description:
required: true
default: null
choices: []
aliases: []
'''
EXAMPLES = '''
'''
try:
import bigsuds
except ImportError:
bigsuds_found = False
else:
bigsuds_found = True
TEMPLATE_TYPE = 'TTYPE_HTTP'
DEFAULT_PARENT_TYPE = 'http'
# ===========================================
# bigip_monitor module generic methods.
# these should be re-useable for other monitor types
#
def bigip_api(bigip, user, password):
api = bigsuds.BIGIP(hostname=bigip, username=user, password=password)
return api
def monitor_exists(module, api, monitor, parent):
# hack to determine if monitor exists
result = False
try:
ttype = api.LocalLB.Monitor.get_template_type(template_names=[monitor])[0]
parent2 = api.LocalLB.Monitor.get_parent_template(template_names=[monitor])[0]
if ttype == TEMPLATE_TYPE and parent == parent2:
result = True
else:
module.fail_json(msg='Monitor already exists, but has a different type (%s) or parent(%s)' % (ttype, parent))
except bigsuds.OperationFailed, e:
if "was not found" in str(e):
result = False
else:
# genuine exception
raise
return result
def create_monitor(api, monitor, template_attributes):
try:
api.LocalLB.Monitor.create_template(templates=[{'template_name': monitor, 'template_type': TEMPLATE_TYPE}], template_attributes=[template_attributes])
except bigsuds.OperationFailed, e:
if "already exists" in str(e):
pass
else:
# genuine exception
raise
def delete_monitor(api, monitor):
try:
api.LocalLB.Monitor.delete_template(template_names=[monitor])
except bigsuds.OperationFailed, e:
# maybe it was deleted since we checked
if not "was not found" in str(e):
# genuine exception
raise
def check_string_property(api, monitor, str_property):
return str_property == api.LocalLB.Monitor.get_template_string_property([monitor], [str_property['type']])[0]
def set_string_property(api, monitor, str_property):
api.LocalLB.Monitor.set_template_string_property(template_names=[monitor], values=[str_property])
# ===========================================
# main loop
#
# writing a module for other monitor types should
# only need an updated main()
def main():
module = AnsibleModule(
argument_spec = dict(
server = dict(required=True),
user = dict(required=True),
password = dict(required=True),
partition = dict(default='Common'),
state = dict(default='present', choices=['present', 'absent']),
name = dict(required=True),
parent = dict(default=DEFAULT_PARENT_TYPE),
parent_partition = dict(default='Common'),
send = dict(required=True),
receive = dict(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']
partition = module.params['partition']
parent_partition = module.params['parent_partition']
state = module.params['state']
name = module.params['name']
parent = "/%s/%s" % (parent_partition, module.params['parent'])
monitor = "/%s/%s" % (partition, name)
send = module.params['send']
receive = module.params['receive']
# main logic
try:
api = bigip_api(server, user, password)
result = {'changed': False} # default
if state == 'absent':
if monitor_exists:
delete_monitor(api, monitor)
result['changed'] = True
else:
template_attributes = {'parent_template': parent,
'dest_ipport': {'address_type': 'ATYPE_STAR_ADDRESS_STAR_PORT',
'ipport': {'address': '0.0.0.0',
'port': 0}
},
'interval': 5,
'timeout': 16,
'is_read_only': False,
'is_directly_usable': True
}
template_string_properties = [{'type': 'STYPE_SEND',
'value': send},
{'type': 'STYPE_RECEIVE',
'value': receive}]
if monitor_exists(module, api, monitor, parent):
for str_property in template_string_properties:
if not check_string_property(api, monitor, str_property):
if not module.check_mode:
set_string_property(api, monitor, str_property)
result['changed'] = True
elif not module.check_mode:
create_monitor(api, monitor, template_attributes)
for str_property in template_string_properties:
set_string_property(api, monitor, str_property)
result['changed'] = True
else: # monitor does not exist and check mode
result['changed'] = True
except Exception, e:
module.fail_json(msg="received exception: %s" % e)
module.exit_json(**result)
# include magic from lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()