mirror of https://github.com/ansible/ansible.git
Merge pull request #2877 from mhite/devel
New net_infrastructure "bigip_pool" module to support F5 load balancerspull/2878/merge
Michael DeHaan
12 years ago
commit
4e6aefcccb
@ -0,0 +1,244 @@
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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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_pool
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short_description: "Manages F5 BIG-IP LTM pool members"
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description:
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- "Manages F5 BIG-IP LTM pool members via iControl SOAP API"
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version_added: "1.2"
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author: Matt Hite
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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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- "If pool member IP address is no longer referenced by another pool when running with state=absent, the node IP will also be deleted from the F5 configuration."
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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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choices: []
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aliases: []
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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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choices: []
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aliases: []
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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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choices: []
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aliases: []
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state:
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description:
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- "Pool member state"
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required: false
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default: present
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choices: ['present', 'absent']
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aliases: []
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name:
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description:
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- "BIG-IP pool name"
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required: true
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default: null
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choices: []
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aliases: ['pool']
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partition:
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description:
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- "BIG-IP partition"
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required: false
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default: 'Common'
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choices: []
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aliases: []
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host:
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description:
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- "BIG-IP pool member"
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required: true
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default: null
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choices: []
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aliases: []
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port:
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description:
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- "BIG-IP pool member port"
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required: true
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default: null
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choices: []
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aliases: []
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'''
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EXAMPLES = '''
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### Examples assume [localhost] is defined in inventory file
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## ad-hoc ansible CLI example
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# ensures 1.1.1.1:80 is present in pool /matthite/matthite-pool on load balancer lb.mydomain.com
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ansible -c local localhost -m bigip_pool -a "server=lb.mydomain.com user=admin password=mysecret state=present name=matthite-pool partition=matthite host=1.1.1.1 port=80"
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# ensures 1.1.1.1:80 is absent from pool /matthite/matthite-pool on load balancer lb.mydomain.com
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ansible -c local localhost -m bigip_pool -a "server=lb.mydomain.com user=admin password=mysecret state=absent name=matthite-pool partition=matthite host=1.1.1.1 port=80"
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## playbook task example:
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---
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# file bigip-test.yml
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# ...
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tasks:
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- name: Register current node to load balancer pool
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local_action: bigip_pool server=lb.mydomain.com user=admin password=mysecret state=present name=matthite-pool partition=matthite host={{ ansible_default_ipv4.address }} port=80
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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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# ===========================================
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# bigip_pool module specific support methods.
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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 pool_exists(api, pool):
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# hack to determine if pool exists
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result = False
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try:
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api.LocalLB.Pool.get_object_status(pool_names=[pool])
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result = True
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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 member_exists(api, pool, address, port):
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# hack to determine if member exists
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result = False
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try:
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members = [{'address': address, 'port': port}]
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api.LocalLB.Pool.get_member_object_status(pool_names=[pool],
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members=[members])
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result = True
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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 delete_node_address(api, address):
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result = False
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try:
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api.LocalLB.NodeAddressV2.delete_node_address(nodes=[address])
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result = True
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except bigsuds.OperationFailed, e:
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if "is referenced by a member of pool" 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 remove_pool_member(api, pool, address, port):
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members = [{'address': address, 'port': port}]
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api.LocalLB.Pool.remove_member_v2(pool_names=[pool], members=[members])
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return True
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def add_pool_member(api, pool, address, port):
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members = [{'address': address, 'port': port}]
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api.LocalLB.Pool.add_member_v2(pool_names=[pool], members=[members])
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return True
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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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state = dict(default='present', choices=['present', 'absent']),
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name = dict(required=True, aliases=['pool']),
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partition = dict(default='Common'),
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host = dict(required=True),
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port = dict(required=True)
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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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state = module.params['state']
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name = module.params['name']
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partition = module.params['partition']
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host = module.params['host']
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port = module.params['port']
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address = "/%s/%s" % (partition, host)
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pool = "/%s/%s" % (partition, name)
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try:
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api = bigip_api(server, user, password)
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if not pool_exists(api, pool):
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module.fail_json(msg="non-existent pool: %s" % pool)
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if state == 'absent':
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if member_exists(api, pool, address, port):
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if module.check_mode:
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result = {'changed': True}
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else:
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changed = remove_pool_member(api, pool, address, port)
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deleted = delete_node_address(api, address)
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result = {'changed': changed, 'deleted': deleted}
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else:
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result = {'changed': False}
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elif state == 'present':
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if not member_exists(api, pool, address, port):
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if module.check_mode:
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result = {'changed': True}
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else:
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changed = add_pool_member(api, pool, address, port)
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result = {'changed': changed}
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else:
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result = {'changed': False}
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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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