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373 lines
13 KiB
Python
373 lines
13 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2013, serge van Ginderachter <serge@vanginderachter.be>
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# based on Matt Hite's bigip_pool module
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# (c) 2013, Matt Hite <mhite@hotmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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DOCUMENTATION = '''
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---
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module: bigip_monitor_http
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short_description: "Manages F5 BIG-IP LTM http monitors"
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description:
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- "Manages F5 BIG-IP LTM monitors via iControl SOAP API"
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version_added: "1.3"
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author: Serge van Ginderachter
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notes:
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- "Requires BIG-IP software version >= 11"
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- "F5 developed module 'bigsuds' required (see http://devcentral.f5.com)"
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- "Best run as a local_action in your playbook"
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- "Monitor API documentation: https://devcentral.f5.com/wiki/iControl.LocalLB__Monitor.ashx"
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requirements:
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- bigsuds
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options:
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server:
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description:
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- BIG-IP host
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required: true
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default: null
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user:
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description:
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- BIG-IP username
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required: true
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default: null
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password:
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description:
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- BIG-IP password
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required: true
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default: null
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state:
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description:
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- Monitor state
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required: false
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default: 'present'
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choices: ['present', 'absent']
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name:
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description:
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- Monitor name
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required: true
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default: null
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aliases: ['monitor']
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partition:
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description:
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- Partition for the monitor
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required: false
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default: 'Common'
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parent:
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description:
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- The parent template of this monitor template
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required: false
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default: 'http'
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parent_partition:
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description:
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- Partition for the parent monitor
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required: false
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default: 'Common'
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send:
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description:
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- The send string for the monitor call
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required: true
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default: ''
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receive:
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description:
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- The receive string for the monitor call
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required: true
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default: ''
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receive_disable:
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description:
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- The receive disable string for the monitor call
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required: true
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default: ''
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ip:
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description:
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- IP address part of the ipport definition
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required: false
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default: '0.0.0.0'
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port:
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description:
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- port address part op the ipport definition
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required: false
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default: 0
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interval:
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description:
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- The interval specifying how frequently the monitor instance
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of this template will run. By default, this interval is used for up and
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down states
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required: false
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default: 5
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timeout:
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description:
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- The number of seconds in which the node or service must respond to
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the monitor request. If the target responds within the set time
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period, it is considered up. If the target does not respond within
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the set time period, it is considered down. You can change this
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number to any number you want, however, it should be 3 times the
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interval number of seconds plus 1 second.
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required: false
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default: 16
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time_until_up:
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description:
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- Specifies the amount of time in seconds after the first successful
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response before a node will be marked up. A value of 0 will cause a
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node to be marked up immediately after a valid response is received
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from the node. The default setting is 0.
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required: false
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default: 0
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'''
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EXAMPLES = '''
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'''
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try:
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import bigsuds
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except ImportError:
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bigsuds_found = False
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else:
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bigsuds_found = True
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TEMPLATE_TYPE = 'TTYPE_HTTP'
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DEFAULT_PARENT_TYPE = 'http'
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# ===========================================
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# bigip_monitor module generic methods.
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# these should be re-useable for other monitor types
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#
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def bigip_api(bigip, user, password):
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api = bigsuds.BIGIP(hostname=bigip, username=user, password=password)
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return api
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def monitor_exists(module, api, monitor, parent):
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# hack to determine if monitor exists
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result = False
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try:
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ttype = api.LocalLB.Monitor.get_template_type(template_names=[monitor])[0]
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parent2 = api.LocalLB.Monitor.get_parent_template(template_names=[monitor])[0]
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if ttype == TEMPLATE_TYPE and parent == parent2:
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result = True
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else:
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module.fail_json(msg='Monitor already exists, but has a different type (%s) or parent(%s)' % (ttype, parent))
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except bigsuds.OperationFailed, e:
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if "was not found" in str(e):
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result = False
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else:
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# genuine exception
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raise
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return result
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def create_monitor(api, monitor, template_attributes):
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try:
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api.LocalLB.Monitor.create_template(templates=[{'template_name': monitor, 'template_type': TEMPLATE_TYPE}], template_attributes=[template_attributes])
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except bigsuds.OperationFailed, e:
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if "already exists" in str(e):
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pass
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else:
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# genuine exception
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raise
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def delete_monitor(api, monitor):
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try:
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api.LocalLB.Monitor.delete_template(template_names=[monitor])
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except bigsuds.OperationFailed, e:
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# maybe it was deleted since we checked
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if not "was not found" in str(e):
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# genuine exception
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raise
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def check_string_property(api, monitor, str_property):
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return str_property == api.LocalLB.Monitor.get_template_string_property([monitor], [str_property['type']])[0]
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def set_string_property(api, monitor, str_property):
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api.LocalLB.Monitor.set_template_string_property(template_names=[monitor], values=[str_property])
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def check_integer_property(api, monitor, int_property):
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return int_property == api.LocalLB.Monitor.get_template_integer_property([monitor], [int_property['type']])[0]
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def set_integer_property(api, monitor, int_property):
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api.LocalLB.Monitor.set_template_int_property(template_names=[monitor], values=[int_property])
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def check_ipport(api, monitor, ipport):
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return [ipport] == api.LocalLB.Monitor.get_template_destination(template_names=[monitor])
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def set_ipport(api, monitor, ipport):
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try:
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api.LocalLB.Monitor.set_template_destination(template_names=[monitor], destinations=[ipport])
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return True, ""
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except bigsuds.OperationFailed, e:
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if "Cannot modify the address type of monitor" in str(e):
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return False, "Cannot modify the address type of monitor if already assigned to a pool."
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else:
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# genuine exception
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raise
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# ===========================================
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# main loop
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#
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# writing a module for other monitor types should
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# only need an updated main()
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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server = dict(required=True),
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user = dict(required=True),
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password = dict(required=True),
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partition = dict(default='Common'),
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state = dict(default='present', choices=['present', 'absent']),
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name = dict(required=True),
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parent = dict(default=DEFAULT_PARENT_TYPE),
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parent_partition = dict(default='Common'),
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send = dict(required=True, default=''),
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receive = dict(required=True, default=''),
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receive_disable = dict(required=True, default=''),
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ip = dict(required=False, default='0.0.0.0'),
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port = dict(required=False, type='int', default=0),
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interval = dict(required=False, type='int', default=5),
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timeout = dict(required=False, type='int', default=16)
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time_until_up = dict(required=False, type='int', default=0)
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),
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supports_check_mode=True
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)
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if not bigsuds_found:
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module.fail_json(msg="the python bigsuds module is required")
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server = module.params['server']
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user = module.params['user']
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password = module.params['password']
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partition = module.params['partition']
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parent_partition = module.params['parent_partition']
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state = module.params['state']
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name = module.params['name']
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parent = "/%s/%s" % (parent_partition, module.params['parent'])
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monitor = "/%s/%s" % (partition, name)
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send = module.params['send']
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receive = module.params['receive']
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receive_disable = module.params['receive_disable']
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ip = module.params['ip']
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port = module.params['port']
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interval = module.params['interval']
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timeout = module.params['timeout']
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time_until_up = module.params['time_until_up']
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if ip == '0.0.0.0' and port == 0:
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address_type = 'ATYPE_STAR_ADDRESS_STAR_PORT'
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elif ip == '0.0.0.0' and port != 0:
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address_type = 'ATYPE_STAR_ADDRESS_EXPLICIT_PORT'
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elif ip != '0.0.0.0' and port != 0:
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address_type = 'ATYPE_EXPLICIT_ADDRESS_EXPLICIT_PORT'
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else:
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address_type = 'ATYPE_UNSET'
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# main logic
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try:
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api = bigip_api(server, user, password)
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result = {'changed': False} # default
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if state == 'absent':
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if monitor_exists:
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if not module.check_mode:
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delete_monitor(api, monitor)
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result['changed'] = True
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else:
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ipport = {'address_type': address_type,
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'ipport': {'address': ip,
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'port': port}}
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template_attributes = {'parent_template': parent,
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'dest_ipport': ipport,
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'interval': interval,
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'timeout': timeout,
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'is_read_only': False,
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'is_directly_usable': True
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}
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template_string_properties = [{'type': 'STYPE_SEND',
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'value': send},
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{'type': 'STYPE_RECEIVE',
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'value': receive}
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{'type': 'STYPE_RECEIVE_DRAIN',
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'value': receive_disable}]
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template_integer_properties = [{'type': 'ITYPE_INTERVAL',
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'value': interval},
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{'type': 'ITYPE_TIMEOUT',
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'value': timeout},
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{'type': 'ITYPE_TIME_UNTIL_UP',
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'value': interval}]
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if monitor_exists(module, api, monitor, parent):
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for str_property in template_string_properties:
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if not check_string_property(api, monitor, str_property):
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if not module.check_mode:
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set_string_property(api, monitor, str_property)
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result['changed'] = True
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for int_property in template_integer_properties:
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if not check_integer_property(api, monitor, int_property):
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if not module.check_mode:
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set_integer_property(api, monitor, int_property)
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result['changed'] = True
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if not check_ipport(api, monitor, ipport):
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if not module.check_mode:
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res, msg = set_ipport(api, monitor, ipport)
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if not res:
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module.fail_json(msg=msg)
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result['changed'] = True
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elif not module.check_mode:
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create_monitor(api, monitor, template_attributes)
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for str_property in template_string_properties:
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set_string_property(api, monitor, str_property)
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result['changed'] = True
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else: # monitor does not exist and check mode
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result['changed'] = True
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except Exception, e:
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module.fail_json(msg="received exception: %s" % e)
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module.exit_json(**result)
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# include magic from lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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