Adds style conventions for bigip_node (#2697)

A number of coding conventions have been adopted for new F5 modules
that are in development. To ensure common usage across the modules,
this module needed to be updated to reflect those conventions.

No functional code changes were made.
This commit is contained in:
Tim Rupp 2016-08-08 23:35:36 -07:00 committed by Matt Clay
parent 081e6ec032
commit a367a9ac01

View file

@ -1,6 +1,6 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# (c) 2013, Matt Hite <mhite@hotmail.com>
#
# This file is part of Ansible
@ -23,148 +23,139 @@ DOCUMENTATION = '''
module: bigip_node
short_description: "Manages F5 BIG-IP LTM nodes"
description:
- "Manages F5 BIG-IP LTM nodes via iControl SOAP API"
- "Manages F5 BIG-IP LTM nodes via iControl SOAP API"
version_added: "1.4"
author:
- Matt Hite (@mhite)
- Tim Rupp (@caphrim007)
- Matt Hite (@mhite)
- Tim Rupp (@caphrim007)
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"
- "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"
requirements:
- bigsuds
- bigsuds
options:
server:
description:
- BIG-IP host
required: true
default: null
choices: []
aliases: []
server_port:
description:
- BIG-IP server port
required: false
default: 443
version_added: "2.2"
user:
description:
- BIG-IP username
required: true
default: null
choices: []
aliases: []
password:
description:
- BIG-IP password
required: true
default: null
choices: []
aliases: []
validate_certs:
description:
- If C(no), SSL certificates will not be validated. This should only be used
on personally controlled sites. Prior to 2.0, this module would always
validate on python >= 2.7.9 and never validate on python <= 2.7.8
required: false
default: 'yes'
choices: ['yes', 'no']
version_added: 1.9.1
state:
description:
- Pool member state
required: true
default: present
choices: ['present', 'absent']
aliases: []
session_state:
description:
- Set new session availability status for node
version_added: "1.9"
required: false
default: null
choices: ['enabled', 'disabled']
aliases: []
monitor_state:
description:
- Set monitor availability status for node
version_added: "1.9"
required: false
default: null
choices: ['enabled', 'disabled']
aliases: []
partition:
description:
- Partition
required: false
default: 'Common'
choices: []
aliases: []
name:
description:
- "Node name"
required: false
default: null
choices: []
monitor_type:
description:
- Monitor rule type when monitors > 1
version_added: "2.2"
required: False
default: null
choices: ['and_list', 'm_of_n']
aliases: []
quorum:
description:
- Monitor quorum value when monitor_type is m_of_n
version_added: "2.2"
required: False
default: null
choices: []
aliases: []
monitors:
description:
- Monitor template name list. Always use the full path to the monitor.
version_added: "2.2"
required: False
default: null
choices: []
aliases: []
host:
description:
- "Node IP. Required when state=present and node does not exist. Error when state=absent."
required: true
default: null
choices: []
aliases: ['address', 'ip']
server:
description:
description:
- "Node description."
required: false
default: null
choices: []
- BIG-IP host
required: true
default: null
choices: []
aliases: []
server_port:
description:
- BIG-IP server port
required: false
default: 443
version_added: "2.2"
user:
description:
- BIG-IP username
required: true
default: null
choices: []
aliases: []
password:
description:
- BIG-IP password
required: true
default: null
choices: []
aliases: []
validate_certs:
description:
- If C(no), SSL certificates will not be validated. This should only be used
on personally controlled sites. Prior to 2.0, this module would always
validate on python >= 2.7.9 and never validate on python <= 2.7.8
required: false
default: 'yes'
choices: ['yes', 'no']
version_added: 2.0
state:
description:
- Pool member state
required: true
default: present
choices: ['present', 'absent']
aliases: []
session_state:
description:
- Set new session availability status for node
version_added: "1.9"
required: false
default: null
choices: ['enabled', 'disabled']
aliases: []
monitor_state:
description:
- Set monitor availability status for node
version_added: "1.9"
required: false
default: null
choices: ['enabled', 'disabled']
aliases: []
partition:
description:
- Partition
required: false
default: 'Common'
choices: []
aliases: []
name:
description:
- "Node name"
required: false
default: null
choices: []
monitor_type:
description:
- Monitor rule type when monitors > 1
version_added: "2.2"
required: False
default: null
choices: ['and_list', 'm_of_n']
aliases: []
quorum:
description:
- Monitor quorum value when monitor_type is m_of_n
version_added: "2.2"
required: False
default: null
choices: []
aliases: []
monitors:
description:
- Monitor template name list. Always use the full path to the monitor.
version_added: "2.2"
required: False
default: null
choices: []
aliases: []
host:
description:
- "Node IP. Required when state=present and node does not exist. Error when state=absent."
required: true
default: null
choices: []
aliases: ['address', 'ip']
description:
description:
- "Node description."
required: false
default: null
choices: []
'''
EXAMPLES = '''
## playbook task examples:
---
# file bigip-test.yml
# ...
- hosts: bigip-test
tasks:
- name: Add node
local_action: >
bigip_node
server=lb.mydomain.com
user=admin
password=mysecret
state=present
partition=matthite
host="{{ ansible_default_ipv4["address"] }}"
name="{{ ansible_default_ipv4["address"] }}"
- name: Add node
bigip_node:
server: "lb.mydomain.com"
user: "admin"
password: "secret"
state: "present"
partition: "Common"
host: "10.20.30.40"
name: "10.20.30.40"
# Note that the BIG-IP automatically names the node using the
# IP address specified in previous play's host parameter.
@ -173,38 +164,38 @@ EXAMPLES = '''
# Alternatively, you could have specified a name with the
# name parameter when state=present.
- name: Add node with a single 'ping' monitor
bigip_node:
server: lb.mydomain.com
user: admin
password: mysecret
state: present
partition: Common
host: "{{ ansible_default_ipv4["address"] }}"
name: mytestserver
- name: Add node with a single 'ping' monitor
bigip_node:
server: "lb.mydomain.com"
user: "admin"
password: "secret"
state: "present"
partition: "Common"
host: "10.20.30.40"
name: "mytestserver"
monitors:
- /Common/icmp
delegate_to: localhost
- name: Modify node description
local_action: >
bigip_node
server=lb.mydomain.com
user=admin
password=mysecret
state=present
partition=matthite
name="{{ ansible_default_ipv4["address"] }}"
description="Our best server yet"
- name: Modify node description
bigip_node:
server: "lb.mydomain.com"
user: "admin"
password: "secret"
state: "present"
partition: "Common"
name: "10.20.30.40"
description: "Our best server yet"
delegate_to: localhost
- name: Delete node
local_action: >
bigip_node
server=lb.mydomain.com
user=admin
password=mysecret
state=absent
partition=matthite
name="{{ ansible_default_ipv4["address"] }}"
- name: Delete node
bigip_node:
server: "lb.mydomain.com"
user: "admin"
password: "secret"
state: "absent"
partition: "Common"
name: "10.20.30.40"
# The BIG-IP GUI doesn't map directly to the API calls for "Node ->
# General Properties -> State". The following states map to API monitor
@ -219,27 +210,26 @@ EXAMPLES = '''
#
# See https://devcentral.f5.com/questions/icontrol-equivalent-call-for-b-node-down
- name: Force node offline
local_action: >
bigip_node
server=lb.mydomain.com
user=admin
password=mysecret
state=present
session_state=disabled
monitor_state=disabled
partition=matthite
name="{{ ansible_default_ipv4["address"] }}"
- name: Force node offline
bigip_node:
server: "lb.mydomain.com"
user: "admin"
password: "mysecret"
state: "present"
session_state: "disabled"
monitor_state: "disabled"
partition: "Common"
name: "10.20.30.40"
'''
def node_exists(api, address):
# hack to determine if node exists
result = False
try:
api.LocalLB.NodeAddressV2.get_object_status(nodes=[address])
result = True
except bigsuds.OperationFailed, e:
except bigsuds.OperationFailed as e:
if "was not found" in str(e):
result = False
else:
@ -247,12 +237,17 @@ def node_exists(api, address):
raise
return result
def create_node_address(api, address, name):
try:
api.LocalLB.NodeAddressV2.create(nodes=[name], addresses=[address], limits=[0])
api.LocalLB.NodeAddressV2.create(
nodes=[name],
addresses=[address],
limits=[0]
)
result = True
desc = ""
except bigsuds.OperationFailed, e:
except bigsuds.OperationFailed as e:
if "already exists" in str(e):
result = False
desc = "referenced name or IP already in use"
@ -261,15 +256,17 @@ def create_node_address(api, address, name):
raise
return (result, desc)
def get_node_address(api, name):
return api.LocalLB.NodeAddressV2.get_address(nodes=[name])[0]
def delete_node_address(api, address):
try:
api.LocalLB.NodeAddressV2.delete_node_address(nodes=[address])
result = True
desc = ""
except bigsuds.OperationFailed, e:
except bigsuds.OperationFailed as e:
if "is referenced by a member of pool" in str(e):
result = False
desc = "node referenced by pool"
@ -278,33 +275,40 @@ def delete_node_address(api, address):
raise
return (result, desc)
def set_node_description(api, name, description):
api.LocalLB.NodeAddressV2.set_description(nodes=[name],
descriptions=[description])
def get_node_description(api, name):
return api.LocalLB.NodeAddressV2.get_description(nodes=[name])[0]
def set_node_session_enabled_state(api, name, session_state):
session_state = "STATE_%s" % session_state.strip().upper()
api.LocalLB.NodeAddressV2.set_session_enabled_state(nodes=[name],
states=[session_state])
def get_node_session_status(api, name):
result = api.LocalLB.NodeAddressV2.get_session_status(nodes=[name])[0]
result = result.split("SESSION_STATUS_")[-1].lower()
return result
def set_node_monitor_state(api, name, monitor_state):
monitor_state = "STATE_%s" % monitor_state.strip().upper()
api.LocalLB.NodeAddressV2.set_monitor_state(nodes=[name],
states=[monitor_state])
def get_node_monitor_status(api, name):
result = api.LocalLB.NodeAddressV2.get_monitor_status(nodes=[name])[0]
result = result.split("MONITOR_STATUS_")[-1].lower()
return result
def get_monitors(api, name):
result = api.LocalLB.NodeAddressV2.get_monitor_rule(nodes=[name])[0]
monitor_type = result['type'].split("MONITOR_RULE_TYPE_")[-1].lower()
@ -312,37 +316,36 @@ def get_monitors(api, name):
monitor_templates = result['monitor_templates']
return (monitor_type, quorum, monitor_templates)
def set_monitors(api, name, monitor_type, quorum, monitor_templates):
monitor_type = "MONITOR_RULE_TYPE_%s" % monitor_type.strip().upper()
monitor_rule = {'type': monitor_type, 'quorum': quorum, 'monitor_templates': monitor_templates}
api.LocalLB.NodeAddressV2.set_monitor_rule(nodes=[name],
monitor_rules=[monitor_rule])
def main():
monitor_type_choices = ['and_list', 'm_of_n']
argument_spec = f5_argument_spec()
argument_spec.update(dict(
session_state = dict(type='str', choices=['enabled', 'disabled']),
monitor_state = dict(type='str', choices=['enabled', 'disabled']),
name = dict(type='str', required=True),
host = dict(type='str', aliases=['address', 'ip']),
description = dict(type='str'),
monitor_type = dict(type='str', choices=monitor_type_choices),
quorum = dict(type='int'),
monitors = dict(type='list')
)
meta_args = dict(
session_state=dict(type='str', choices=['enabled', 'disabled']),
monitor_state=dict(type='str', choices=['enabled', 'disabled']),
name=dict(type='str', required=True),
host=dict(type='str', aliases=['address', 'ip']),
description=dict(type='str'),
monitor_type=dict(type='str', choices=monitor_type_choices),
quorum=dict(type='int'),
monitors=dict(type='list')
)
argument_spec.update(meta_args)
module = AnsibleModule(
argument_spec = argument_spec,
argument_spec=argument_spec,
supports_check_mode=True
)
if not bigsuds_found:
module.fail_json(msg="the python bigsuds module is required")
if module.params['validate_certs']:
import ssl
if not hasattr(ssl, 'SSLContext'):
@ -373,7 +376,6 @@ def main():
monitors.append(fq_name(partition, monitor))
# sanity check user supplied values
if state == 'absent' and host is not None:
module.fail_json(msg="host parameter invalid when state=absent")
@ -415,7 +417,7 @@ def main():
elif state == 'present':
if not node_exists(api, address):
if host is None:
module.fail_json(msg="host parameter required when " \
module.fail_json(msg="host parameter required when "
"state=present and node does not exist")
if not module.check_mode:
created, desc = create_node_address(api, address=host, name=address)
@ -442,8 +444,8 @@ def main():
# node exists -- potentially modify attributes
if host is not None:
if get_node_address(api, address) != host:
module.fail_json(msg="Changing the node address is " \
"not supported by the API; " \
module.fail_json(msg="Changing the node address is "
"not supported by the API; "
"delete and recreate the node.")
if session_state is not None:
session_status = get_node_session_status(api, address)
@ -454,7 +456,7 @@ def main():
session_state)
result = {'changed': True}
elif session_state == 'disabled' and \
session_status != 'force_disabled':
session_status != 'force_disabled':
if not module.check_mode:
set_node_session_enabled_state(api, address,
session_state)
@ -468,7 +470,7 @@ def main():
monitor_state)
result = {'changed': True}
elif monitor_state == 'disabled' and \
monitor_status != 'forced_down':
monitor_status != 'forced_down':
if not module.check_mode:
set_node_monitor_state(api, address,
monitor_state)
@ -484,13 +486,11 @@ def main():
if not module.check_mode:
set_monitors(api, address, monitor_type, quorum, monitors)
result = {'changed': True}
except Exception, e:
except Exception as e:
module.fail_json(msg="received exception: %s" % e)
module.exit_json(**result)
# import module snippets
from ansible.module_utils.basic import *
from ansible.module_utils.f5 import *