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Add enabled/disabled support to bigip_node

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This allows one to enable or disable a node, useful for when doing
maintenance on a node to prevent connections from being attempted to it.

This will completely disable the node for any pool it might be in.
This commit is contained in:
Jesse Keating 2014-10-17 14:58:28 -07:00 committed by Jesse Keating
parent 520f410257
commit f86ce495c7
1 changed files with 61 additions and 3 deletions
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64
network/f5/bigip_node.py
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@ -67,7 +67,7 @@ options:
- Pool member state
required: true
default: present
choices: ['present', 'absent']
choices: ['present', 'absent', 'enabled', 'disabled']
aliases: []
partition:
description:
@ -78,7 +78,7 @@ options:
aliases: []
name:
description:
- "Node name"
- "Node name. Required when state=enabled/disabled"
required: false
default: null
choices: []
@ -145,6 +145,11 @@ EXAMPLES = '''
partition=matthite
name="{{ ansible_default_ipv4["address"] }}"
- name: Disable node
bigip_node: server=lb.mydomain.com user=admin password=mysecret
state=disabled name=mynodename
delegate_to: localhost
'''
try:
@ -158,6 +163,13 @@ else:
# bigip_node module specific
#
# map of state values
STATES={'enabled': 'STATE_ENABLED',
'disabled': 'STATE_DISABLED'}
STATUSES={'enabled': 'SESSION_STATUS_ENABLED',
'disabled': 'SESSION_STATUS_DISABLED',
'offline': 'SESSION_STATUS_FORCED_DISABLED'}
def bigip_api(bigip, user, password):
api = bigsuds.BIGIP(hostname=bigip, username=user, password=password)
return api
@ -220,6 +232,25 @@ def set_node_description(api, name, description):
def get_node_description(api, name):
return api.LocalLB.NodeAddressV2.get_description(nodes=[name])[0]
def set_node_disabled(api, name):
set_node_session_enabled_state(api, name, STATES['disabled'])
result = True
desc = ""
return (result, desc)
def set_node_enabled(api, name):
set_node_session_enabled_state(api, name, STATES['enabled'])
result = True
desc = ""
return (result, desc)
def set_node_session_enabled_state(api, name, state):
api.LocalLB.NodeAddressV2.set_session_enabled_state(nodes=[name],
states=[state])
def get_node_session_status(api, name):
return api.LocalLB.NodeAddressV2.get_session_status(nodes=[name])[0]
def main():
module = AnsibleModule(
argument_spec = dict(
@ -227,7 +258,8 @@ def main():
user = dict(type='str', required=True),
password = dict(type='str', required=True),
validate_certs = dict(default='yes', type='bool'),
state = dict(type='str', default='present', choices=['present', 'absent']),
state = dict(type='str', default='present',
choices=['present', 'absent', 'disabled', 'enabled']),
partition = dict(type='str', default='Common'),
name = dict(type='str', required=True),
host = dict(type='str', aliases=['address', 'ip']),
@ -302,6 +334,32 @@ def main():
set_node_description(api, address, description)
result = {'changed': True}
elif state in ('disabled', 'enabled'):
if name is None:
module.fail_json(msg="name parameter required when " \
"state=enabled/disabled")
if not module.check_mode:
if not node_exists(api, name):
module.fail_json(msg="node does not exist")
status = get_node_session_status(api, name)
if state == 'disabled':
if status not in (STATUSES['disabled'], STATUSES['offline']):
disabled, desc = set_node_disabled(api, name)
if not disabled:
module.fail_json(msg="unable to disable: %s" % desc)
else:
result = {'changed': True}
else:
if status != STATUSES['enabled']:
enabled, desc = set_node_enabled(api, name)
if not enabled:
module.fail_json(msg="unable to enable: %s" % desc)
else:
result = {'changed': True}
else:
# check-mode return value
result = {'changed': True}
except Exception, e:
module.fail_json(msg="received exception: %s" % e)