From 308305a691c2b90fd354662b5d121db4de65a68d Mon Sep 17 00:00:00 2001 From: Manuel Sousa Date: Fri, 8 May 2015 17:15:36 +0100 Subject: [PATCH] add module rabbitmq_exchange --- messaging/rabbitmq_exchange.py | 197 +++++++++++++++++++++++++++++++++ 1 file changed, 197 insertions(+) create mode 100644 messaging/rabbitmq_exchange.py diff --git a/messaging/rabbitmq_exchange.py b/messaging/rabbitmq_exchange.py new file mode 100644 index 00000000000..ac2fee61812 --- /dev/null +++ b/messaging/rabbitmq_exchange.py @@ -0,0 +1,197 @@ +#!/usr/bin/python + +DOCUMENTATION = ''' +module: rabbitmq_exchange +author: Manuel Sousa +version_added: 1.5.4 + +short_description: This module manages rabbitMQ exchanges +description: + - This module uses rabbitMQ Rest API to create/delete exchanges +requirements: [ python requests ] +options: + name: + description: + - Name of the exchange to create + required: true + state: + description: + - Whether the exchange should be present or absent + - Only present implemented atm + choices: [ "present", "absent" ] + required: false + default: present + login_user: + description: + - rabbitMQ user for connection + required: false + default: guest + login_password: + description: + - rabbitMQ password for connection + required: false + default: false + login_host: + description: + - rabbitMQ host for connection + required: false + default: localhost + login_port: + description: + - rabbitMQ management api port + required: false + default: 15672 + vhost: + description: + - rabbitMQ virtual host + required: false + default: "/" + durable: + description: + - whether exchange is durable or not + required: false + choices: [ "yes", "no" ] + default: yes + exchangeType: + description: + - type for the exchange + required: false + choices: [ "fanout", "direct", "headers", "topic" ] + aliases: [ "type" ] + default: direct + autoDelete: + description: + - if the exchange should delete itself after all queues/exchanges unbound from it + required: false + choices: [ "yes", "no" ] + default: no + internal: + description: + - exchange is available only for other exchanges + required: false + choices: [ "yes", "no" ] + default: no + arguments: + description: + - extra arguments for exchange. If defined this argument is a key/value dictionary + required: false +''' + +EXAMPLES = ''' +# Create direct exchange +- rabbitmq_exchange: name=directExchange + +# Create topic exchange on vhost +- rabbitmq_exchange: name=topicExchange type=topic vhost=myVhost +''' + +import requests +import urllib +import json + +def main(): + module = AnsibleModule( + argument_spec = dict( + state = dict(default='present', choices=['present', 'absent'], type='str'), + name = dict(required=True, type='str'), + login_user = dict(default='guest', type='str'), + login_password = dict(default='guest', type='str'), + login_host = dict(default='localhost', type='str'), + login_port = dict(default='15672', type='str'), + vhost = dict(default='/', type='str'), + durable = dict(default=True, choices=BOOLEANS, type='bool'), + autoDelete = dict(default=False, choices=BOOLEANS, type='bool'), + internal = dict(default=False, choices=BOOLEANS, type='bool'), + exchangeType = dict(default='direct', aliases=['type'], type='str'), + arguments = dict(default=dict(), type='dict') + ), + supports_check_mode = True + ) + + url = "http://%s:%s/api/exchanges/%s/%s" % ( + module.params['login_host'], + module.params['login_port'], + urllib.quote(module.params['vhost'],''), + module.params['name'] + ) + + # Check if exchange already exists + r = requests.get( url, auth=(module.params['login_user'],module.params['login_password'])) + + if r.status_code==200: + exchangeExists = True + response = r.json() + elif r.status_code==404: + exchangeExists = False + response = r.text + else: + module.fail_json( + msg = "Invalid response from RESTAPI when trying to check if exchange exists", + details = r.text + ) + + changeRequired = not exchangeExists if module.params['state']=='present' else exchangeExists + + # Check if attributes change on existing exchange + if not changeRequired and r.status_code==200 and module.params['state'] == 'present': + if not ( + response['durable'] == module.params['durable'] and + response['auto_delete'] == module.params['autoDelete'] and + response['internal'] == module.params['internal'] and + response['type'] == module.params['exchangeType'] + ): + module.fail_json( + msg = "RabbitMQ RESTAPI doesn't support attribute changes for existing exchanges" + ) + + # Exit if check_mode + if module.check_mode: + module.exit_json( + changed= changeRequired, + result = "Success", + name = module.params['name'], + details = response, + arguments = module.params['arguments'] + ) + + # Do changes + if changeRequired: + if module.params['state'] == 'present': + r = requests.put( + url, + auth = (module.params['login_user'],module.params['login_password']), + headers = { "content-type": "application/json"}, + data = json.dumps({ + "durable": module.params['durable'], + "auto_delete": module.params['autoDelete'], + "internal": module.params['internal'], + "type": module.params['exchangeType'], + "arguments": module.params['arguments'] + }) + ) + elif module.params['state'] == 'absent': + r = requests.delete( url, auth = (module.params['login_user'],module.params['login_password'])) + + if r.status_code == 204: + module.exit_json( + changed = True, + result = "Success", + name = module.params['name'] + ) + else: + module.fail_json( + msg = "Error creating exchange", + status = r.status_code, + details = r.text + ) + + else: + module.exit_json( + changed = False, + result = "Success", + name = module.params['name'] + ) + +# import module snippets +from ansible.module_utils.basic import * +main()