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#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2013, John Dewey <john@dewey.ws>
#
# 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_policy
short_description: Manage the state of policies in RabbitMQ.
description:
- Manage the state of a virtual host in RabbitMQ.
version_added: "1.5"
author: "John Dewey (@retr0h)"
options:
name:
description:
- The name of the policy to manage.
required: true
default: null
vhost:
description:
- The name of the vhost to apply to.
required: false
default: /
apply_to:
description:
- What the policy applies to. Requires RabbitMQ 3.2.0 or later.
required: false
default: all
choices: [all, exchanges, queues]
pattern:
description:
- A regex of queues to apply the policy to.
required: true
default: null
tags:
description:
- A dict or string describing the policy.
required: true
default: null
priority:
description:
- The priority of the policy.
required: false
default: 0
node:
description:
- Erlang node name of the rabbit we wish to configure.
required: false
default: rabbit
state:
description:
- The state of the policy.
default: present
choices: [present, absent]
'''
EXAMPLES = '''
- name: ensure the default vhost contains the HA policy via a dict
rabbitmq_policy: name=HA pattern='.*'
args:
tags:
"ha-mode": all
- name: ensure the default vhost contains the HA policy
rabbitmq_policy: name=HA pattern='.*' tags="ha-mode=all"
'''
class RabbitMqPolicy(object):
def __init__(self, module, name):
self._module = module
self._name = name
self._vhost = module.params['vhost']
self._pattern = module.params['pattern']
self._apply_to = module.params['apply_to']
self._tags = module.params['tags']
self._priority = module.params['priority']
self._node = module.params['node']
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', '-n', self._node]
args.insert(1, '-p')
args.insert(2, self._vhost)
rc, out, err = self._module.run_command(cmd + args, check_rc=True)
return out.splitlines()
return list()
def list(self):
policies = self._exec(['list_policies'], True)
for policy in policies:
policy_name = policy.split('\t')[1]
if policy_name == self._name:
return True
return False
def set(self):
import json
args = ['set_policy']
args.append(self._name)
args.append(self._pattern)
args.append(json.dumps(self._tags))
args.append('--priority')
args.append(self._priority)
if (self._apply_to != 'all'):
args.append('--apply-to')
args.append(self._apply_to)
return self._exec(args)
def clear(self):
return self._exec(['clear_policy', self._name])
def main():
arg_spec = dict(
name=dict(required=True),
vhost=dict(default='/'),
pattern=dict(required=True),
apply_to=dict(default='all', choices=['all', 'exchanges', 'queues']),
tags=dict(type='dict', required=True),
priority=dict(default='0'),
node=dict(default='rabbit'),
state=dict(default='present', choices=['present', 'absent']),
)
module = AnsibleModule(
argument_spec=arg_spec,
supports_check_mode=True
)
name = module.params['name']
state = module.params['state']
rabbitmq_policy = RabbitMqPolicy(module, name)
changed = False
if rabbitmq_policy.list():
if state == 'absent':
rabbitmq_policy.clear()
changed = True
else:
changed = False
elif state == 'present':
rabbitmq_policy.set()
changed = True
module.exit_json(changed=changed, name=name, state=state)
# import module snippets
from ansible.module_utils.basic import *
main()
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