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Adds style conventions to bigip_monitor_http (#2564)

Browse Source 
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.
reviewable/pr18780/r1
Tim Rupp 8 years ago committed by René Moser
parent 584a06eec7
commit 277a2b5df1
1 changed files with 213 additions and 211 deletions
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424
network/f5/bigip_monitor_http.py
Unescape Escape View File

@ -1,6 +1,6 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# (c) 2013, serge van Ginderachter <serge@vanginderachter.be>
# based on Matt Hite's bigip_pool module
# (c) 2013, Matt Hite <mhite@hotmail.com>
@ -25,160 +25,163 @@ DOCUMENTATION = '''
module: bigip_monitor_http
short_description: "Manages F5 BIG-IP LTM http monitors"
description:
- "Manages F5 BIG-IP LTM monitors via iControl SOAP API"
- Manages F5 BIG-IP LTM monitors via iControl SOAP API
version_added: "1.4"
author:
- Serge van Ginderachter (@srvg)
- Tim Rupp (@caphrim007)
- Serge van Ginderachter (@srvg)
- 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"
- "Monitor API documentation: https://devcentral.f5.com/wiki/iControl.LocalLB__Monitor.ashx"
- "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"
- "Monitor API documentation: https://devcentral.f5.com/wiki/iControl.LocalLB__Monitor.ashx"
requirements:
- bigsuds
- bigsuds
options:
server:
description:
- BIG-IP host
required: true
default: null
server_port:
description:
- BIG-IP server port
required: false
default: 443
version_added: "2.2"
user:
description:
- BIG-IP username
required: true
default: null
password:
description:
- BIG-IP password
required: true
default: null
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:
- Monitor state
required: false
default: 'present'
choices: ['present', 'absent']
name:
description:
- Monitor name
required: true
default: null
aliases: ['monitor']
partition:
description:
- Partition for the monitor
required: false
default: 'Common'
parent:
description:
- The parent template of this monitor template
required: false
default: 'http'
parent_partition:
description:
- Partition for the parent monitor
required: false
default: 'Common'
send:
description:
- The send string for the monitor call
required: true
default: none
receive:
description:
- The receive string for the monitor call
required: true
default: none
receive_disable:
description:
- The receive disable string for the monitor call
required: true
default: none
ip:
description:
- IP address part of the ipport definition. The default API setting
is "0.0.0.0".
required: false
default: none
port:
description:
- port address part op the ipport definition. The default API
setting is 0.
required: false
default: none
interval:
description:
- The interval specifying how frequently the monitor instance
of this template will run. By default, this interval is used for up and
down states. The default API setting is 5.
required: false
default: none
timeout:
description:
- The number of seconds in which the node or service must respond to
the monitor request. If the target responds within the set time
period, it is considered up. If the target does not respond within
the set time period, it is considered down. You can change this
number to any number you want, however, it should be 3 times the
interval number of seconds plus 1 second. The default API setting
is 16.
required: false
default: none
time_until_up:
description:
- Specifies the amount of time in seconds after the first successful
response before a node will be marked up. A value of 0 will cause a
node to be marked up immediately after a valid response is received
from the node. The default API setting is 0.
required: false
default: none
server:
description:
- BIG-IP host
required: true
default: null
server_port:
description:
- BIG-IP server port
required: false
default: 443
version_added: "2.2"
user:
description:
- BIG-IP username
required: true
default: null
password:
description:
- BIG-IP password
required: true
default: null
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:
- Monitor state
required: false
default: 'present'
choices:
- present
- absent
name:
description:
- Monitor name
required: true
default: null
aliases:
- monitor
partition:
description:
- Partition for the monitor
required: false
default: 'Common'
parent:
description:
- The parent template of this monitor template
required: false
default: 'http'
parent_partition:
description:
- Partition for the parent monitor
required: false
default: 'Common'
send:
description:
- The send string for the monitor call
required: true
default: none
receive:
description:
- The receive string for the monitor call
required: true
default: none
receive_disable:
description:
- The receive disable string for the monitor call
required: true
default: none
ip:
description:
- IP address part of the ipport definition. The default API setting
is "0.0.0.0".
required: false
default: none
port:
description:
- Port address part of the ip/port definition. The default API
setting is 0.
required: false
default: none
interval:
description:
- The interval specifying how frequently the monitor instance
of this template will run. By default, this interval is used for up and
down states. The default API setting is 5.
required: false
default: none
timeout:
description:
- The number of seconds in which the node or service must respond to
the monitor request. If the target responds within the set time
period, it is considered up. If the target does not respond within
the set time period, it is considered down. You can change this
number to any number you want, however, it should be 3 times the
interval number of seconds plus 1 second. The default API setting
is 16.
required: false
default: none
time_until_up:
description:
- Specifies the amount of time in seconds after the first successful
response before a node will be marked up. A value of 0 will cause a
node to be marked up immediately after a valid response is received
from the node. The default API setting is 0.
required: false
default: none
'''
EXAMPLES = '''
- name: BIGIP F5 | Create HTTP Monitor
local_action:
module: bigip_monitor_http
state: present
server: "{{ f5server }}"
user: "{{ f5user }}"
password: "{{ f5password }}"
name: "{{ item.monitorname }}"
send: "{{ item.send }}"
receive: "{{ item.receive }}"
with_items: f5monitors
bigip_monitor_http:
state: "present"
server: "lb.mydomain.com"
user: "admin"
password: "secret"
name: "my_http_monitor"
send: "http string to send"
receive: "http string to receive"
delegate_to: localhost
- name: BIGIP F5 | Remove HTTP Monitor
local_action:
module: bigip_monitor_http
state: absent
server: "{{ f5server }}"
user: "{{ f5user }}"
password: "{{ f5password }}"
name: "{{ monitorname }}"
bigip_monitor_http:
state: "absent"
server: "lb.mydomain.com"
user: "admin"
password: "secret"
name: "my_http_monitor"
delegate_to: localhost
'''
TEMPLATE_TYPE = 'TTYPE_HTTP'
DEFAULT_PARENT_TYPE = 'http'
def check_monitor_exists(module, api, monitor, parent):
# hack to determine if monitor exists
result = False
try:
@ -188,7 +191,7 @@ def check_monitor_exists(module, api, monitor, parent):
result = True
else:
module.fail_json(msg='Monitor already exists, but has a different type (%s) or parent(%s)' % (ttype, parent))
except bigsuds.OperationFailed, e:
except bigsuds.OperationFailed as e:
if "was not found" in str(e):
result = False
else:
@ -198,10 +201,15 @@ def check_monitor_exists(module, api, monitor, parent):
def create_monitor(api, monitor, template_attributes):
try:
api.LocalLB.Monitor.create_template(templates=[{'template_name': monitor, 'template_type': TEMPLATE_TYPE}], template_attributes=[template_attributes])
except bigsuds.OperationFailed, e:
api.LocalLB.Monitor.create_template(
templates=[{
'template_name': monitor,
'template_type': TEMPLATE_TYPE
}],
template_attributes=[template_attributes]
)
except bigsuds.OperationFailed as e:
if "already exists" in str(e):
return False
else:
@ -211,10 +219,9 @@ def create_monitor(api, monitor, template_attributes):
def delete_monitor(api, monitor):
try:
api.LocalLB.Monitor.delete_template(template_names=[monitor])
except bigsuds.OperationFailed, e:
except bigsuds.OperationFailed as e:
# maybe it was deleted since we checked
if "was not found" in str(e):
return False
@ -225,10 +232,12 @@ def delete_monitor(api, monitor):
def check_string_property(api, monitor, str_property):
try:
return str_property == api.LocalLB.Monitor.get_template_string_property([monitor], [str_property['type']])[0]
except bigsuds.OperationFailed, e:
template_prop = api.LocalLB.Monitor.get_template_string_property(
[monitor], [str_property['type']]
)[0]
return str_property == template_prop
except bigsuds.OperationFailed as e:
# happens in check mode if not created yet
if "was not found" in str(e):
return True
@ -238,15 +247,19 @@ def check_string_property(api, monitor, str_property):
def set_string_property(api, monitor, str_property):
api.LocalLB.Monitor.set_template_string_property(template_names=[monitor], values=[str_property])
api.LocalLB.Monitor.set_template_string_property(
template_names=[monitor],
values=[str_property]
)
def check_integer_property(api, monitor, int_property):
try:
return int_property == api.LocalLB.Monitor.get_template_integer_property([monitor], [int_property['type']])[0]
except bigsuds.OperationFailed, e:
template_prop = api.LocalLB.Monitor.get_template_integer_property(
[monitor], [int_property['type']]
)[0]
return int_property == template_prop
except bigsuds.OperationFailed as e:
# happens in check mode if not created yet
if "was not found" in str(e):
return True
@ -255,10 +268,11 @@ def check_integer_property(api, monitor, int_property):
raise
def set_integer_property(api, monitor, int_property):
api.LocalLB.Monitor.set_template_integer_property(template_names=[monitor], values=[int_property])
api.LocalLB.Monitor.set_template_integer_property(
template_names=[monitor],
values=[int_property]
)
def update_monitor_properties(api, module, monitor, template_string_properties, template_integer_properties):
@ -278,61 +292,46 @@ def update_monitor_properties(api, module, monitor, template_string_properties,
def get_ipport(api, monitor):
return api.LocalLB.Monitor.get_template_destination(template_names=[monitor])[0]
def set_ipport(api, monitor, ipport):
try:
api.LocalLB.Monitor.set_template_destination(template_names=[monitor], destinations=[ipport])
api.LocalLB.Monitor.set_template_destination(
template_names=[monitor], destinations=[ipport]
)
return True, ""
except bigsuds.OperationFailed, e:
except bigsuds.OperationFailed as e:
if "Cannot modify the address type of monitor" in str(e):
return False, "Cannot modify the address type of monitor if already assigned to a pool."
else:
# genuine exception
raise
# ===========================================
# main loop
#
# writing a module for other monitor types should
# only need an updated main() (and monitor specific functions)
def main():
# begin monitor specific stuff
argument_spec=f5_argument_spec();
argument_spec.update( dict(
name = dict(required=True),
parent = dict(default=DEFAULT_PARENT_TYPE),
parent_partition = dict(default='Common'),
send = dict(required=False),
receive = dict(required=False),
receive_disable = dict(required=False),
ip = dict(required=False),
port = dict(required=False, type='int'),
interval = dict(required=False, type='int'),
timeout = dict(required=False, type='int'),
time_until_up = dict(required=False, type='int', default=0)
)
argument_spec = f5_argument_spec()
meta_args = dict(
name=dict(required=True),
parent=dict(default=DEFAULT_PARENT_TYPE),
parent_partition=dict(default='Common'),
send=dict(required=False),
receive=dict(required=False),
receive_disable=dict(required=False),
ip=dict(required=False),
port=dict(required=False, type='int'),
interval=dict(required=False, type='int'),
timeout=dict(required=False, type='int'),
time_until_up=dict(required=False, type='int', default=0)
)
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'):
module.fail_json(msg='bigsuds does not support verifying certificates with python < 2.7.9. Either update python or set validate_certs=False on the task')
server = module.params['server']
server_port = module.params['server_port']
user = module.params['user']
@ -359,15 +358,14 @@ def main():
api = bigip_api(server, user, password, validate_certs, port=server_port)
monitor_exists = check_monitor_exists(module, api, monitor, parent)
# ipport is a special setting
if monitor_exists: # make sure to not update current settings if not asked
if monitor_exists:
cur_ipport = get_ipport(api, monitor)
if ip is None:
ip = cur_ipport['ipport']['address']
if port is None:
port = cur_ipport['ipport']['port']
else: # use API defaults if not defined to create it
else:
if interval is None:
interval = 5
if timeout is None:
@ -412,19 +410,26 @@ def main():
{'type': 'STYPE_RECEIVE_DRAIN',
'value': receive_disable}]
template_integer_properties = [{'type': 'ITYPE_INTERVAL',
'value': interval},
{'type': 'ITYPE_TIMEOUT',
'value': timeout},
{'type': 'ITYPE_TIME_UNTIL_UP',
'value': time_until_up}]
template_integer_properties = [
{
'type': 'ITYPE_INTERVAL',
'value': interval
},
{
'type': 'ITYPE_TIMEOUT',
'value': timeout
},
{
'type': 'ITYPE_TIME_UNTIL_UP',
'value': time_until_up
}
]
# main logic, monitor generic
try:
result = {'changed': False} # default
if state == 'absent':
if monitor_exists:
if not module.check_mode:
@ -433,10 +438,9 @@ def main():
result['changed'] |= delete_monitor(api, monitor)
else:
result['changed'] |= True
else: # state present
## check for monitor itself
if not monitor_exists: # create it
else:
# check for monitor itself
if not monitor_exists:
if not module.check_mode:
# again, check changed status here b/c race conditions
# if other task already created it
@ -444,22 +448,20 @@ def main():
else:
result['changed'] |= True
## check for monitor parameters
# check for monitor parameters
# whether it already existed, or was just created, now update
# the update functions need to check for check mode but
# cannot update settings if it doesn't exist which happens in check mode
result['changed'] |= update_monitor_properties(api, module, monitor,
template_string_properties,
template_integer_properties)
template_string_properties,
template_integer_properties)
# we just have to update the ipport if monitor already exists and it's different
if monitor_exists and cur_ipport != ipport:
set_ipport(api, monitor, ipport)
result['changed'] |= True
#else: monitor doesn't exist (check mode) or ipport is already ok
except Exception, e:
# else: monitor doesn't exist (check mode) or ipport is already ok
except Exception as e:
module.fail_json(msg="received exception: %s" % e)
module.exit_json(**result)

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