add module rabbitmq_exchange
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Manuel Sousa
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197
messaging/rabbitmq_exchange.py
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197
messaging/rabbitmq_exchange.py
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#!/usr/bin/python
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DOCUMENTATION = '''
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module: rabbitmq_exchange
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author: Manuel Sousa
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version_added: 1.5.4
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short_description: This module manages rabbitMQ exchanges
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description:
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- This module uses rabbitMQ Rest API to create/delete exchanges
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requirements: [ python requests ]
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options:
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name:
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description:
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- Name of the exchange to create
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required: true
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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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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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required: false
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default: "/"
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durable:
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description:
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- whether exchange is durable or not
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required: false
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choices: [ "yes", "no" ]
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default: yes
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exchangeType:
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description:
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- type for the exchange
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required: false
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choices: [ "fanout", "direct", "headers", "topic" ]
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aliases: [ "type" ]
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default: direct
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autoDelete:
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description:
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- if the exchange should delete itself after all queues/exchanges unbound from it
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required: false
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choices: [ "yes", "no" ]
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default: no
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internal:
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description:
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- exchange is available only for other exchanges
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required: false
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choices: [ "yes", "no" ]
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default: no
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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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# Create direct exchange
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- rabbitmq_exchange: name=directExchange
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# Create topic exchange on vhost
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- rabbitmq_exchange: name=topicExchange type=topic vhost=myVhost
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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, type='str'),
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login_user = dict(default='guest', type='str'),
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login_password = dict(default='guest', type='str'),
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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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durable = dict(default=True, choices=BOOLEANS, type='bool'),
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autoDelete = dict(default=False, choices=BOOLEANS, type='bool'),
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internal = dict(default=False, choices=BOOLEANS, type='bool'),
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exchangeType = dict(default='direct', aliases=['type'], 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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url = "http://%s:%s/api/exchanges/%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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)
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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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exchangeExists = True
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response = r.json()
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elif r.status_code==404:
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exchangeExists = 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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changeRequired = not exchangeExists if module.params['state']=='present' else exchangeExists
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# Check if attributes change on existing exchange
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if not changeRequired and r.status_code==200 and module.params['state'] == 'present':
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if not (
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response['durable'] == module.params['durable'] and
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response['auto_delete'] == module.params['autoDelete'] and
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response['internal'] == module.params['internal'] and
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response['type'] == module.params['exchangeType']
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):
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module.fail_json(
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msg = "RabbitMQ RESTAPI doesn't support attribute changes for existing exchanges"
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)
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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= changeRequired,
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result = "Success",
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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 changeRequired:
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if module.params['state'] == 'present':
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r = requests.put(
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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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"durable": module.params['durable'],
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"auto_delete": module.params['autoDelete'],
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"internal": module.params['internal'],
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"type": module.params['exchangeType'],
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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:
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module.exit_json(
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changed = True,
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result = "Success",
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name = module.params['name']
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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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result = "Success",
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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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