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community.general/library/rabbitmq_parameter

140 lines
4.2 KiB
Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2013, Chatham Financial <oss@chathamfinancial.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
DOCUMENTATION = '''
---
module: rabbitmq_parameter
short_description: Adds or removes parameters to RabbitMQ
description:
- Manage dynamic, cluster-wide parameters for RabbitMQ
version_added: "1.1"
author: Chris Hoffman
options:
component:
description:
- Name of the component of which the parameter is being set
required: true
default: null
name:
description:
- Name of the parameter being set
required: true
default: null
value:
description:
- Value of the parameter, as a JSON term
required: false
default: null
vhost:
description:
- vhost to apply access privileges.
required: false
default: /
state:
description:
- Specify if user is to be added or removed
required: false
default: present
choices: [ 'present', 'absent']
'''
EXAMPLES = """
# Set the federation parameter 'local_username' to a value of 'guest' (in quotes)
rabbitmq_parameter: component=federation name=local-username value='"guest"' state=present
"""
class RabbitMqParameter(object):
def __init__(self, module, component, name, value, vhost):
self.module = module
self.component = component
self.name = name
self.value = value
self.vhost = vhost
self._value = None
self._rabbitmqctl = module.get_bin_path('rabbitmqctl', True)
def _exec(self, args, run_in_check_mode=False):
if not self.module.check_mode or (self.module.check_mode and run_in_check_mode):
cmd = [self._rabbitmqctl, '-q']
rc, out, err = self.module.run_command(cmd + args, check_rc=True)
return out.splitlines()
return list()
def get(self):
parameters = self._exec(['list_parameters', '-p', self.vhost], True)
for param_item in parameters:
component, name, value = param_item.split('\t')
if component == self.component and name == self.name:
self._value = value
return True
return False
def set(self):
self._exec(['set_parameter', '-p', self.vhost, self.component, self.name, self.value])
def delete(self):
self._exec(['clear_parameter', '-p', self.vhost, self.component, self.name])
def has_modifications(self):
return self.value != self._value
def main():
arg_spec = dict(
component=dict(required=True),
name=dict(required=True),
value=dict(default=None),
vhost=dict(default='/'),
state=dict(default='present', choices=['present', 'absent'])
)
module = AnsibleModule(
argument_spec=arg_spec,
supports_check_mode=True
)
component = module.params['component']
name = module.params['name']
value = module.params['value']
vhost = module.params['vhost']
state = module.params['state']
rabbitmq_parameter = RabbitMqParameter(module, component, name, value, vhost)
changed = False
if rabbitmq_parameter.get():
if state == 'absent':
rabbitmq_parameter.delete()
changed = True
else:
if rabbitmq_parameter.has_modifications():
rabbitmq_parameter.set()
changed = True
elif state == 'present':
rabbitmq_parameter.set()
changed = True
module.exit_json(changed=changed, component=component, name=name, vhost=vhost, state=state)
# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()