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+---
+layout: default
+title: RabbitMQ Connector
+toc: false
+---
+[STOMP]: http://stomp.codehaus.org/
+[RabbitStomp]: http://www.rabbitmq.com/stomp.html
+[RabbitCLI]: http://www.rabbitmq.com/management-cli.html
+
+The RabbitMQ connector uses the [STOMP] rubygem to connect to RabbitMQ servers.
+
+This code will only work with version _1.2.2_ or newer of the Stomp gem.
+
+## Differences between RabbitMQ connector and Stomp Connector
+
+The RabbitMQ connector requires MCollective 2.0.0 or newer.
+
+While this plugin still uses the Stomp protocol to connect to RabbitMQ it does use a nubmer of
+RabbitMQ specific optimizations to work well and as such is a Stomp connector specific to the
+RabbitMQ broker.
+
+## Configuring RabbitMQ
+
+Basic installation of the RabbitMQ broker is out of scope for this document apart from the
+basic broker you need to enable the [Stomp plugi][RabbitStomp] and the [CLI Management Tool][RabbitCLI].
+
+With that in place you need to create a few exchanges, topics and queues for each of your
+sub collectives.
+
+First we create a virtual host, user and some permissions on the vhost:
+
+{% highlight console %}
+rabbitmqadmin declare vhost=/mcollective
+rabbitmqadmin declare user=mcollective password=changeme
+rabbitmqadmin declare permission vhost=/mcollective user=mcollective configure=.* write=.* read=.*
+{% endhighlight %}
+
+And then we need to create two exchanges that the mcollective plugin needs:
+
+{% highlight console %}
+rabbitmqadmin declare exchange vhost=/mcollective name=mcollective_broadcast type=topic
+rabbitmqadmin declare exchange vhost=/mcollective name=mcollective_directed type=direct
+{% endhighlight %}
+
+## Configuring MCollective
+
+### Common Options
+
+### Failover Pools
+A sample configuration can be seen below.
+
+{% highlight ini %}
+direct_addressing = 1
+
+connector = rabbitmq
+plugin.rabbitmq.vhost = /mcollective
+plugin.rabbitmq.pool.size = 2
+plugin.rabbitmq.pool.1.host = rabbit1
+plugin.rabbitmq.pool.1.port = 6163
+plugin.rabbitmq.pool.1.user = mcollective
+plugin.rabbitmq.pool.1.password = changeme
+
+plugin.rabbitmq.pool.2.host = rabbit2
+plugin.rabbitmq.pool.2.port = 6163
+plugin.rabbitmq.pool.2.user = mcollective
+plugin.rabbitmq.pool.2.password = changeme
+{% endhighlight %}
+
+This gives it 2 servers to attempt to connect to, if the first one fails it will use the second.  Usernames and passwords can be set
+with the environment variables STOMP_USER, STOMP_PASSWORD.
+
+If you do not specify a port it will default to _61613_
+
+You can also specify the following options for the Stomp gem, these are the defaults in the Stomp 1.2.2 gem:
+
+{% highlight ini %}
+plugin.rabbitmq.initial_reconnect_delay = 0.01
+plugin.rabbitmq.max_reconnect_delay = 30.0
+plugin.rabbitmq.use_exponential_back_off = true
+plugin.rabbitmq.back_off_multiplier = 2
+plugin.rabbitmq.max_reconnect_attempts = 0
+plugin.rabbitmq.randomize = false
+plugin.rabbitmq.timeout = -1
+plugin.rabbitmq.vhost = /
+{% endhighlight %}