etc rabbitmq rabbitmq.config

[
  {rabbit, [
    {ssl_listeners, [5671]},
    {ssl_options, [{cacertfile,"/etc/rabbitmq/ssl/cacert.pem"},
                   {certfile,"/etc/rabbitmq/ssl/server_cert.pem"},
                   {keyfile,"/etc/rabbitmq/ssl/server_key.pem"},
                   {verify,verify_peer},
                   {fail_if_no_peer_cert,true}]}
  ]},
  {rabbitmq_stomp, [{tcp_listeners, [61613]},
                    {ssl_listeners, [61614]}
  ]}
].

client.cfg

# Rabbitmq
connector = rabbitmq
plugin.rabbitmq.vhost = /mcollective
plugin.rabbitmq.pool.size = 1
plugin.rabbitmq.pool.1.host = rabbit1
plugin.rabbitmq.pool.1.port = 61614
plugin.rabbitmq.pool.1.user = mcollective 
plugin.rabbitmq.pool.1.password = changeme
plugin.rabbitmq.pool.1.ssl = true
plugin.rabbitmq.pool.1.ssl.ca = /etc/sensu/ssl/cacert.pem
plugin.rabbitmq.pool.1.ssl.key = /etc/sensu/ssl/client_key.pem
plugin.rabbitmq.pool.1.ssl.cert = /etc/sensu/ssl/client_cert.pem

notes

For rabbitmq with ssl setup follow one of debian/centos sensu guides for rabbitmq:
http://docs.sensuapp.org/0.9/installing_rabbitmq_debian.html
http://docs.sensuapp.org/0.9/installing_rabbitmq_centos.html

http://docs.sensuapp.org/0.9/ssl.html

server.cfg

# Rabbitmq
connector = rabbitmq
plugin.rabbitmq.vhost = /mcollective
plugin.rabbitmq.pool.size = 1
plugin.rabbitmq.pool.1.host = rabbit1
plugin.rabbitmq.pool.1.port = 61614
plugin.rabbitmq.pool.1.user = mcollective
plugin.rabbitmq.pool.1.password = changeme
plugin.rabbitmq.pool.1.ssl = true
plugin.rabbitmq.pool.1.ssl.ca = /etc/sensu/ssl/cacert.pem
plugin.rabbitmq.pool.1.ssl.key = /etc/sensu/ssl/client_key.pem
plugin.rabbitmq.pool.1.ssl.cert = /etc/sensu/ssl/client_cert.pem