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author | Brian Coca <bcoca@ansible.com> | 2015-05-18 08:09:05 -0400 |
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committer | Brian Coca <bcoca@ansible.com> | 2015-05-18 08:09:05 -0400 |
commit | f22c1d45425ea84a2107b7e26c5b695c5032361b (patch) | |
tree | bfc51b78b24ecd596f565cb05be96db7b64b61ee /messaging | |
parent | 1b750d65408d2e8943b0bdef5eb7abf8d0561e9a (diff) | |
parent | 46eedaf36894e78a4000889e83108775a67dd345 (diff) | |
download | ansible-modules-extras-f22c1d45425ea84a2107b7e26c5b695c5032361b.tar.gz |
Merge pull request #462 from manuel-sousa/rabbitmq_queue
Rabbitmq queue
Diffstat (limited to 'messaging')
-rw-r--r-- | messaging/rabbitmq_queue.py | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/messaging/rabbitmq_queue.py b/messaging/rabbitmq_queue.py new file mode 100644 index 00000000..dc79874b --- /dev/null +++ b/messaging/rabbitmq_queue.py @@ -0,0 +1,257 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- + +# (c) 2015, Manuel Sousa <manuel.sousa@gmail.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_queue +author: Manuel Sousa +version_added: "2.0" + +short_description: This module manages rabbitMQ queues +description: + - This module uses rabbitMQ Rest API to create/delete queues +requirements: [ python requests ] +options: + name: + description: + - Name of the queue to create + required: true + state: + description: + - Whether the queue 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 queue is durable or not + required: false + choices: [ "yes", "no" ] + default: yes + auto_delete: + description: + - if the queue should delete itself after all queues/queues unbound from it + required: false + choices: [ "yes", "no" ] + default: no + message_ttl: + description: + - How long a message can live in queue before it is discarded (milliseconds) + required: False + auto_expires: + description: + - How long a queue can be unused before it is automatically deleted (milliseconds) + required: false + max_length: + description: + - How many messages can the queue contain before it starts rejecting + required: false + dead_letter_exchange: + description: + - Optional name of an exchange to which messages will be republished if they + - are rejected or expire + required: false + dead_letter_routing_key: + description: + - Optional replacement routing key to use when a message is dead-lettered. + - Original routing key will be used if unset + required: false + arguments: + description: + - extra arguments for queue. If defined this argument is a key/value dictionary + required: false +''' + +EXAMPLES = ''' +# Create a queue +- rabbitmq_queue: name=myQueue + +# Create a queue on remote host +- rabbitmq_queue: name=myRemoteQueue login_user=user login_password=secret login_host=remote.example.org +''' + +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', no_log=True), + 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'), + auto_delete = dict(default=False, choices=BOOLEANS, type='bool'), + message_ttl = dict(default=None, type='int'), + auto_expires = dict(default=None, type='int'), + max_length = dict(default=None, type='int'), + dead_letter_exchange = dict(default=None, type='str'), + dead_letter_routing_key = dict(default=None, type='str'), + arguments = dict(default=dict(), type='dict') + ), + supports_check_mode = True + ) + + url = "http://%s:%s/api/queues/%s/%s" % ( + module.params['login_host'], + module.params['login_port'], + urllib.quote(module.params['vhost'],''), + module.params['name'] + ) + + # Check if queue already exists + r = requests.get( url, auth=(module.params['login_user'],module.params['login_password'])) + + if r.status_code==200: + queue_exists = True + response = r.json() + elif r.status_code==404: + queue_exists = False + response = r.text + else: + module.fail_json( + msg = "Invalid response from RESTAPI when trying to check if queue exists", + details = r.text + ) + + if module.params['state']=='present': + change_required = not queue_exists + else: + change_required = queue_exists + + # Check if attributes change on existing queue + if not change_required and r.status_code==200 and module.params['state'] == 'present': + if not ( + response['durable'] == module.params['durable'] and + response['auto_delete'] == module.params['auto_delete'] and + ( + ( 'x-message-ttl' in response['arguments'] and response['arguments']['x-message-ttl'] == module.params['message_ttl'] ) or + ( 'x-message-ttl' not in response['arguments'] and module.params['message_ttl'] is None ) + ) and + ( + ( 'x-expires' in response['arguments'] and response['arguments']['x-expires'] == module.params['auto_expires'] ) or + ( 'x-expires' not in response['arguments'] and module.params['auto_expires'] is None ) + ) and + ( + ( 'x-max-length' in response['arguments'] and response['arguments']['x-max-length'] == module.params['max_length'] ) or + ( 'x-max-length' not in response['arguments'] and module.params['max_length'] is None ) + ) and + ( + ( 'x-dead-letter-exchange' in response['arguments'] and response['arguments']['x-dead-letter-exchange'] == module.params['dead_letter_exchange'] ) or + ( 'x-dead-letter-exchange' not in response['arguments'] and module.params['dead_letter_exchange'] is None ) + ) and + ( + ( 'x-dead-letter-routing-key' in response['arguments'] and response['arguments']['x-dead-letter-routing-key'] == module.params['dead_letter_routing_key'] ) or + ( 'x-dead-letter-routing-key' not in response['arguments'] and module.params['dead_letter_routing_key'] is None ) + ) + ): + module.fail_json( + msg = "RabbitMQ RESTAPI doesn't support attribute changes for existing queues", + ) + + + # Copy parameters to arguments as used by RabbitMQ + for k,v in { + 'message_ttl': 'x-message-ttl', + 'auto_expires': 'x-expires', + 'max_length': 'x-max-length', + 'dead_letter_exchange': 'x-dead-letter-exchange', + 'dead_letter_routing_key': 'x-dead-letter-routing-key' + }.items(): + if module.params[k]: + module.params['arguments'][v] = module.params[k] + + # Exit if check_mode + if module.check_mode: + module.exit_json( + changed= change_required, + name = module.params['name'], + details = response, + arguments = module.params['arguments'] + ) + + # Do changes + if change_required: + 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['auto_delete'], + "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, + name = module.params['name'] + ) + else: + module.fail_json( + msg = "Error creating queue", + status = r.status_code, + details = r.text + ) + + else: + module.exit_json( + changed = False, + name = module.params['name'] + ) + +# import module snippets +from ansible.module_utils.basic import * +main() |