Adds style conventions to bigip_pool (#2537)

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 2016-07-09 00:21:10 -07:00 committed by René Moser
parent f7b18a331b
commit b85303f023

View file

@ -23,235 +23,245 @@ DOCUMENTATION = '''
module: bigip_pool
short_description: "Manages F5 BIG-IP LTM pools"
description:
- "Manages F5 BIG-IP LTM pools via iControl SOAP API"
version_added: "1.2"
- Manages F5 BIG-IP LTM pools via iControl SOAP API
version_added: 1.2
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: 2.0
state:
description:
- Pool/pool member state
required: false
default: present
choices: ['present', 'absent']
aliases: []
name:
description:
- Pool name
required: true
default: null
choices: []
aliases: ['pool']
partition:
description:
- Partition of pool/pool member
required: false
default: 'Common'
choices: []
aliases: []
lb_method:
description:
- Load balancing method
version_added: "1.3"
required: False
default: 'round_robin'
choices: ['round_robin', 'ratio_member', 'least_connection_member',
'observed_member', 'predictive_member', 'ratio_node_address',
'least_connection_node_address', 'fastest_node_address',
'observed_node_address', 'predictive_node_address',
'dynamic_ratio', 'fastest_app_response', 'least_sessions',
'dynamic_ratio_member', 'l3_addr',
'weighted_least_connection_member',
'weighted_least_connection_node_address',
'ratio_session', 'ratio_least_connection_member',
'ratio_least_connection_node_address']
aliases: []
monitor_type:
description:
- Monitor rule type when monitors > 1
version_added: "1.3"
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: "1.3"
required: False
default: null
choices: []
aliases: []
monitors:
description:
- Monitor template name list. Always use the full path to the monitor.
version_added: "1.3"
required: False
default: null
choices: []
aliases: []
slow_ramp_time:
description:
- Sets the ramp-up time (in seconds) to gradually ramp up the load on newly added or freshly detected up pool members
version_added: "1.3"
required: False
default: null
choices: []
aliases: []
reselect_tries:
description:
- Sets the number of times the system tries to contact a pool member after a passive failure
version_added: "2.2"
required: False
default: null
choices: []
aliases: []
service_down_action:
description:
- Sets the action to take when node goes down in pool
version_added: "1.3"
required: False
default: null
choices: ['none', 'reset', 'drop', 'reselect']
aliases: []
host:
description:
- "Pool member IP"
required: False
default: null
choices: []
aliases: ['address']
port:
description:
- "Pool member port"
required: False
default: null
choices: []
aliases: []
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: 2.0
state:
description:
- Pool/pool member state
required: false
default: present
choices:
- present
- absent
aliases: []
name:
description:
- Pool name
required: true
default: null
choices: []
aliases:
- pool
partition:
description:
- Partition of pool/pool member
required: false
default: 'Common'
choices: []
aliases: []
lb_method:
description:
- Load balancing method
version_added: "1.3"
required: False
default: 'round_robin'
choices:
- round_robin
- ratio_member
- least_connection_member
- observed_member
- predictive_member
- ratio_node_address
- least_connection_node_address
- fastest_node_address
- observed_node_address
- predictive_node_address
- dynamic_ratio
- fastest_app_response
- least_sessions
- dynamic_ratio_member
- l3_addr
- weighted_least_connection_member
- weighted_least_connection_node_address
- ratio_session
- ratio_least_connection_member
- ratio_least_connection_node_address
aliases: []
monitor_type:
description:
- Monitor rule type when monitors > 1
version_added: "1.3"
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: "1.3"
required: False
default: null
choices: []
aliases: []
monitors:
description:
- Monitor template name list. Always use the full path to the monitor.
version_added: "1.3"
required: False
default: null
choices: []
aliases: []
slow_ramp_time:
description:
- Sets the ramp-up time (in seconds) to gradually ramp up the load on
newly added or freshly detected up pool members
version_added: "1.3"
required: False
default: null
choices: []
aliases: []
reselect_tries:
description:
- Sets the number of times the system tries to contact a pool member
after a passive failure
version_added: "2.2"
required: False
default: null
choices: []
aliases: []
service_down_action:
description:
- Sets the action to take when node goes down in pool
version_added: "1.3"
required: False
default: null
choices:
- none
- reset
- drop
- reselect
aliases: []
host:
description:
- "Pool member IP"
required: False
default: null
choices: []
aliases:
- address
port:
description:
- Pool member port
required: False
default: null
choices: []
aliases: []
'''
EXAMPLES = '''
- name: Create pool
bigip_pool:
server: "lb.mydomain.com"
user: "admin"
password: "secret"
state: "present"
name: "my-pool"
partition: "Common"
lb_method: "least_connection_member"
slow_ramp_time: 120
delegate_to: localhost
## playbook task examples:
- name: Modify load balancer method
bigip_pool:
server: "lb.mydomain.com"
user: "admin"
password: "secret"
state: "present"
name: "my-pool"
partition: "Common"
lb_method: "round_robin"
---
# file bigip-test.yml
# ...
- hosts: localhost
tasks:
- name: Create pool
local_action: >
bigip_pool
server=lb.mydomain.com
user=admin
password=mysecret
state=present
name=matthite-pool
partition=matthite
lb_method=least_connection_member
slow_ramp_time=120
- name: Add pool member
bigip_pool:
server: "lb.mydomain.com"
user: "admin"
password: "secret"
state: "present"
name: "my-pool"
partition: "Common"
host: "{{ ansible_default_ipv4["address"] }}"
port: 80
- name: Modify load balancer method
local_action: >
bigip_pool
server=lb.mydomain.com
user=admin
password=mysecret
state=present
name=matthite-pool
partition=matthite
lb_method=round_robin
- hosts: bigip-test
tasks:
- name: Add pool member
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
- name: Remove pool member from pool
local_action: >
bigip_pool
server=lb.mydomain.com
user=admin
password=mysecret
state=absent
name=matthite-pool
partition=matthite
host="{{ ansible_default_ipv4["address"] }}"
port=80
- hosts: localhost
tasks:
- name: Delete pool
local_action: >
bigip_pool
server=lb.mydomain.com
user=admin
password=mysecret
state=absent
name=matthite-pool
partition=matthite
- name: Remove pool member from pool
bigip_pool:
server: "lb.mydomain.com"
user: "admin"
password: "secret"
state: "absent"
name: "my-pool"
partition: "Common"
host: "{{ ansible_default_ipv4["address"] }}"
port: 80
- name: Delete pool
bigip_pool:
server: "lb.mydomain.com"
user: "admin"
password: "secret"
state: "absent"
name: "my-pool"
partition: "Common"
'''
RETURN = '''
'''
def pool_exists(api, pool):
# hack to determine if pool exists
result = False
try:
api.LocalLB.Pool.get_object_status(pool_names=[pool])
result = True
except bigsuds.OperationFailed, e:
except bigsuds.OperationFailed as e:
if "was not found" in str(e):
result = False
else:
@ -259,6 +269,7 @@ def pool_exists(api, pool):
raise
return result
def create_pool(api, pool, lb_method):
# create requires lb_method but we don't want to default
# to a value on subsequent runs
@ -268,18 +279,22 @@ def create_pool(api, pool, lb_method):
api.LocalLB.Pool.create_v2(pool_names=[pool], lb_methods=[lb_method],
members=[[]])
def remove_pool(api, pool):
api.LocalLB.Pool.delete_pool(pool_names=[pool])
def get_lb_method(api, pool):
lb_method = api.LocalLB.Pool.get_lb_method(pool_names=[pool])[0]
lb_method = lb_method.strip().replace('LB_METHOD_', '').lower()
return lb_method
def set_lb_method(api, pool, lb_method):
lb_method = "LB_METHOD_%s" % lb_method.strip().upper()
api.LocalLB.Pool.set_lb_method(pool_names=[pool], lb_methods=[lb_method])
def get_monitors(api, pool):
result = api.LocalLB.Pool.get_monitor_association(pool_names=[pool])[0]['monitor_rule']
monitor_type = result['type'].split("MONITOR_RULE_TYPE_")[-1].lower()
@ -287,35 +302,43 @@ def get_monitors(api, pool):
monitor_templates = result['monitor_templates']
return (monitor_type, quorum, monitor_templates)
def set_monitors(api, pool, 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}
monitor_association = {'pool_name': pool, 'monitor_rule': monitor_rule}
api.LocalLB.Pool.set_monitor_association(monitor_associations=[monitor_association])
def get_slow_ramp_time(api, pool):
result = api.LocalLB.Pool.get_slow_ramp_time(pool_names=[pool])[0]
return result
def set_slow_ramp_time(api, pool, seconds):
api.LocalLB.Pool.set_slow_ramp_time(pool_names=[pool], values=[seconds])
def get_reselect_tries(api, pool):
result = api.LocalLB.Pool.get_reselect_tries(pool_names=[pool])[0]
return result
def set_reselect_tries(api, pool, tries):
api.LocalLB.Pool.set_reselect_tries(pool_names=[pool], values=[tries])
def get_action_on_service_down(api, pool):
result = api.LocalLB.Pool.get_action_on_service_down(pool_names=[pool])[0]
result = result.split("SERVICE_DOWN_ACTION_")[-1].lower()
return result
def set_action_on_service_down(api, pool, action):
action = "SERVICE_DOWN_ACTION_%s" % action.strip().upper()
api.LocalLB.Pool.set_action_on_service_down(pool_names=[pool], actions=[action])
def member_exists(api, pool, address, port):
# hack to determine if member exists
result = False
@ -324,7 +347,7 @@ def member_exists(api, pool, address, port):
api.LocalLB.Pool.get_member_object_status(pool_names=[pool],
members=[members])
result = True
except bigsuds.OperationFailed, e:
except bigsuds.OperationFailed as e:
if "was not found" in str(e):
result = False
else:
@ -332,12 +355,13 @@ def member_exists(api, pool, address, port):
raise
return result
def delete_node_address(api, address):
result = False
try:
api.LocalLB.NodeAddressV2.delete_node_address(nodes=[address])
result = True
except bigsuds.OperationFailed, e:
except bigsuds.OperationFailed as e:
if "is referenced by a member of pool" in str(e):
result = False
else:
@ -345,14 +369,17 @@ def delete_node_address(api, address):
raise
return result
def remove_pool_member(api, pool, address, port):
members = [{'address': address, 'port': port}]
api.LocalLB.Pool.remove_member_v2(pool_names=[pool], members=[members])
def add_pool_member(api, pool, address, port):
members = [{'address': address, 'port': port}]
api.LocalLB.Pool.add_member_v2(pool_names=[pool], members=[members])
def main():
lb_method_choices = ['round_robin', 'ratio_member',
'least_connection_member', 'observed_member',
@ -371,23 +398,24 @@ def main():
service_down_choices = ['none', 'reset', 'drop', 'reselect']
argument_spec=f5_argument_spec();
argument_spec.update(dict(
name = dict(type='str', required=True, aliases=['pool']),
lb_method = dict(type='str', choices=lb_method_choices),
monitor_type = dict(type='str', choices=monitor_type_choices),
quorum = dict(type='int'),
monitors = dict(type='list'),
slow_ramp_time = dict(type='int'),
reselect_tries = dict(type='int'),
service_down_action = dict(type='str', choices=service_down_choices),
host = dict(type='str', aliases=['address']),
port = dict(type='int')
)
argument_spec = f5_argument_spec()
meta_args = dict(
name=dict(type='str', required=True, aliases=['pool']),
lb_method=dict(type='str', choices=lb_method_choices),
monitor_type=dict(type='str', choices=monitor_type_choices),
quorum=dict(type='int'),
monitors=dict(type='list'),
slow_ramp_time=dict(type='int'),
reselect_tries=dict(type='int'),
service_down_action=dict(type='str', choices=service_down_choices),
host=dict(type='str', aliases=['address']),
port=dict(type='int')
)
argument_spec.update(meta_args)
module = AnsibleModule(
argument_spec = argument_spec,
argument_spec=argument_spec,
supports_check_mode=True
)
@ -408,7 +436,7 @@ def main():
validate_certs = module.params['validate_certs']
name = module.params['name']
pool = fq_name(partition,name)
pool = fq_name(partition, name)
lb_method = module.params['lb_method']
if lb_method:
lb_method = lb_method.lower()
@ -427,7 +455,7 @@ def main():
if service_down_action:
service_down_action = service_down_action.lower()
host = module.params['host']
address = fq_name(partition,host)
address = fq_name(partition, host)
port = module.params['port']
# sanity check user supplied values
@ -479,7 +507,7 @@ def main():
try:
remove_pool(api, pool)
result = {'changed': True}
except bigsuds.OperationFailed, e:
except bigsuds.OperationFailed as e:
if "was not found" in str(e):
result = {'changed': False}
else:
@ -502,7 +530,7 @@ def main():
try:
create_pool(api, pool, lb_method)
result = {'changed': True}
except bigsuds.OperationFailed, e:
except bigsuds.OperationFailed as e:
if "already exists" in str(e):
update = True
else:
@ -558,12 +586,11 @@ def main():
add_pool_member(api, pool, address, port)
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 *