Merge pull request #464 from manuel-sousa/rabbitmq_binding
Rabbitmq binding
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Brian Coca
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messaging/rabbitmq_binding.py
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messaging/rabbitmq_binding.py
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2015, Manuel Sousa <manuel.sousa@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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DOCUMENTATION = '''
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---
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module: rabbitmq_binding
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author: Manuel Sousa
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version_added: "2.0"
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short_description: This module manages rabbitMQ bindings
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description:
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- This module uses rabbitMQ Rest API to create/delete bindings
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requirements: [ python requests ]
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options:
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state:
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description:
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- Whether the exchange should be present or absent
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- Only present implemented atm
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choices: [ "present", "absent" ]
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required: false
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default: present
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name:
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description:
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- source exchange to create binding on
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required: true
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aliases: [ "src", "source" ]
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login_user:
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description:
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- rabbitMQ user for connection
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required: false
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default: guest
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login_password:
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description:
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- rabbitMQ password for connection
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required: false
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default: false
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login_host:
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description:
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- rabbitMQ host for connection
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required: false
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default: localhost
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login_port:
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description:
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- rabbitMQ management api port
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required: false
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default: 15672
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vhost:
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description:
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- rabbitMQ virtual host
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- default vhost is /
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required: false
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default: "/"
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destination:
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description:
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- destination exchange or queue for the binding
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required: true
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aliases: [ "dst", "dest" ]
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destination_type:
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description:
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- Either queue or exchange
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required: true
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choices: [ "queue", "exchange" ]
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aliases: [ "type", "dest_type" ]
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routing_key:
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description:
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- routing key for the binding
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- default is #
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required: false
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default: "#"
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arguments:
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description:
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- extra arguments for exchange. If defined this argument is a key/value dictionary
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required: false
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'''
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EXAMPLES = '''
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# Bind myQueue to directExchange with routing key info
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- rabbitmq_binding: name=directExchange destination=myQueue type=queue routing_key=info
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# Bind directExchange to topicExchange with routing key *.info
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- rabbitmq_binding: name=topicExchange destination=topicExchange type=exchange routing_key="*.info"
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'''
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import requests
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import urllib
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import json
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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state = dict(default='present', choices=['present', 'absent'], type='str'),
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name = dict(required=True, aliases=[ "src", "source" ], type='str'),
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login_user = dict(default='guest', type='str'),
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login_password = dict(default='guest', type='str', no_log=True),
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login_host = dict(default='localhost', type='str'),
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login_port = dict(default='15672', type='str'),
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vhost = dict(default='/', type='str'),
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destination = dict(required=True, aliases=[ "dst", "dest"], type='str'),
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destination_type = dict(required=True, aliases=[ "type", "dest_type"], choices=[ "queue", "exchange" ],type='str'),
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routing_key = dict(default='#', type='str'),
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arguments = dict(default=dict(), type='dict')
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),
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supports_check_mode = True
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)
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if module.params['destination_type'] == "queue":
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dest_type="q"
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else:
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dest_type="e"
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url = "http://%s:%s/api/bindings/%s/e/%s/%s/%s/%s" % (
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module.params['login_host'],
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module.params['login_port'],
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urllib.quote(module.params['vhost'],''),
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module.params['name'],
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dest_type,
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module.params['destination'],
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urllib.quote(module.params['routing_key'],'')
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)
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# Check if exchange already exists
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r = requests.get( url, auth=(module.params['login_user'],module.params['login_password']))
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if r.status_code==200:
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binding_exists = True
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response = r.json()
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elif r.status_code==404:
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binding_exists = False
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response = r.text
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else:
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module.fail_json(
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msg = "Invalid response from RESTAPI when trying to check if exchange exists",
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details = r.text
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)
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if module.params['state']=='present':
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change_required = not binding_exists
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else:
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change_required = binding_exists
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# Exit if check_mode
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if module.check_mode:
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module.exit_json(
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changed= change_required,
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name = module.params['name'],
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details = response,
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arguments = module.params['arguments']
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)
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# Do changes
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if change_required:
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if module.params['state'] == 'present':
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url = "http://%s:%s/api/bindings/%s/e/%s/%s/%s" % (
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module.params['login_host'],
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module.params['login_port'],
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urllib.quote(module.params['vhost'],''),
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module.params['name'],
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dest_type,
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module.params['destination']
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)
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r = requests.post(
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url,
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auth = (module.params['login_user'],module.params['login_password']),
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headers = { "content-type": "application/json"},
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data = json.dumps({
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"routing_key": module.params['routing_key'],
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"arguments": module.params['arguments']
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})
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)
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elif module.params['state'] == 'absent':
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r = requests.delete( url, auth = (module.params['login_user'],module.params['login_password']))
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if r.status_code == 204 or r.status_code == 201:
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module.exit_json(
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changed = True,
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name = module.params['name'],
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destination = module.params['destination']
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)
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else:
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module.fail_json(
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msg = "Error creating exchange",
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status = r.status_code,
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details = r.text
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)
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else:
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module.exit_json(
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changed = False,
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name = module.params['name']
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)
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# import module snippets
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from ansible.module_utils.basic import *
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main()
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