Documentation additions and major refactor
This commit is contained in:
Matt Hite
parent
bb8ae983c3
commit
459f290da3
1 changed files with 90 additions and 42 deletions
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@ -1,4 +1,4 @@
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#!/usr/bin/env python
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2013, Matt Hite <mhite@hotmail.com>
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@ -21,10 +21,10 @@
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DOCUMENTATION = '''
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---
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module: bigip_node
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short_description: "Manages F5 BIG-IP LTM pool members"
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short_description: "Manages F5 BIG-IP LTM nodes"
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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: "TBD"
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- "Manages F5 BIG-IP LTM nodes via iControl SOAP API"
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version_added: "1.3"
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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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@ -69,21 +69,21 @@ options:
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choices: []
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aliases: []
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name:
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description
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description:
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- "Node name"
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required: false
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default: null
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choices: []
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host:
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description:
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- "Node IP. Required when state=present. Ignored when state=absent."
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- "Node IP. Required when state=present and node does not exist. Error when state=absent."
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required: true
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default: null
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choices: []
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aliases: ['address']
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aliases: ['address', 'ip']
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description:
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description:
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- "Optional node description."
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- "Node description."
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required: false
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default: null
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choices: []
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@ -91,10 +91,51 @@ options:
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EXAMPLES = '''
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TBD
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TBD
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TBD
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TBD
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## playbook task examples:
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---
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# file bigip-test.yml
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# ...
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- hosts: bigip-test
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tasks:
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- name: Add node
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local_action: >
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bigip_node
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server=lb.mydomain.com
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user=admin
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password=mysecret
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state=present
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partition=matthite
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host="{{ ansible_default_ipv4["address"] }}"
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name="{{ ansible_default_ipv4["address"] }}"
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# Note that the BIG-IP automatically names the node using the
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# IP address specified in previous play's host parameter.
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# Future plays referencing this node no longer use the host
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# parameter but instead use the name parameter.
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# Alternatively, you could have specified a name with the
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# name parameter when state=present.
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- name: Modify node description
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local_action: >
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bigip_node
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server=lb.mydomain.com
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user=admin
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password=mysecret
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state=present
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partition=matthite
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name="{{ ansible_default_ipv4["address"] }}"
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description="Our best server yet"
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- name: Delete node
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local_action: >
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bigip_node
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server=lb.mydomain.com
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user=admin
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password=mysecret
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state=absent
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partition=matthite
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name="{{ ansible_default_ipv4["address"] }}"
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'''
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@ -106,8 +147,8 @@ else:
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bigsuds_found = True
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import traceback
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# ===========================================
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# bigip_pool_member module specific support methods.
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# ==========================
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# bigip_node module specific
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#
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def bigip_api(bigip, user, password):
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@ -131,41 +172,42 @@ def node_exists(api, address):
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def create_node_address(api, address, name):
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try:
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api.LocalLB.NodeAddressV2.create(nodes=[name], addresses=[address], limits=[0])
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return True, ""
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result = True
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desc = ""
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except bigsuds.OperationFailed, e:
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if "invalid node address" in str(e) and "already exists" in str(e):
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return (False, "The referenced IP address is already in use.")
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if "already exists" in str(e):
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result = False
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desc = "referenced name or IP already in use"
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else:
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# genuine exception
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raise
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return (result, desc)
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def get_node_address(api, name):
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return api.LocalLB.NodeAddressV2.get_address(nodes=[name])[0]
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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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desc = ""
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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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desc = "node referenced by pool"
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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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return (result, desc)
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def set_node_description(api, name, description):
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api.LocalLB.NodeAddressV2.set_description(nodes=[name],
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descriptions=[description])
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def get_node_description(api, name):
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return api.LocalLB.NodeAddressV2.get_description(nodes=[name])[0]
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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(type='str', required=True),
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@ -175,7 +217,7 @@ def main():
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partition = dict(type='str', default='Common'),
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name = dict(type='str', required=True),
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host = dict(type='str', aliases=['address', 'ip']),
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description = dict(type='str', default='')
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description = dict(type='str')
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),
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supports_check_mode=True
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)
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@ -193,10 +235,8 @@ def main():
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address = "/%s/%s" % (partition, name)
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description = module.params['description']
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# sanity check user supplied values
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if state == 'present' and host is None:
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module.fail_json(msg='host required when state=present')
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if state == 'absent' and host is not None:
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module.fail_json(msg="host parameter invalid when state=absent")
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try:
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api = bigip_api(server, user, password)
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@ -205,33 +245,41 @@ def main():
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if state == 'absent':
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if node_exists(api, address):
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if not module.check_mode:
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deleted = delete_node_address(api, address)
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deleted, desc = delete_node_address(api, address)
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if not deleted:
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module.fail_json(msg="unable to delete: node referenced by pool")
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module.fail_json(msg="unable to delete: %s" % desc)
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else:
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result = {'changed': True}
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else:
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# check-mode return value
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result = {'changed': True}
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elif state == 'present':
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if not node_exists(api, address):
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if host is None:
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module.fail_json(msg="host parameter required when " \
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"state=present and node does not exist")
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if not module.check_mode:
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if not node_exists(api, address):
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res, desc = create_node_address(api, address=host, name=address)
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if not res:
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module.fail_json(msg=desc)
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result = {'changed': True}
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created, desc = create_node_address(api, address=host, name=address)
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if not created:
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module.fail_json(msg="unable to create: %s" % desc)
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else:
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result = {'changed': True}
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if description is not None:
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set_node_description(api, address, description)
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result = {'changed': True}
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else:
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# check-mode return value
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result = {'changed': True}
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else:
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# node exists -- potentially modify attributes
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if host is not None:
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current_address = get_node_address(api, address)
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if current_address != host:
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module.fail_json(msg="""Changing the node address is not
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supported by the API, delete and
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recreate the node.""")
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current_descrip = get_node_description(api, address)
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if current_descrip != description:
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if get_node_address(api, address) != host:
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module.fail_json(msg="Changing the node address is " \
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"not supported by the API; " \
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"delete and recreate the node.")
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if description is not None:
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if get_node_description(api, address) != description:
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if not module.check_mode:
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set_node_description(api, address, description)
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result = {'changed': True}
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