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When trying to create a simple 2 node RabbitMQ cluster, it always fails with a "nodedown" message on the node trying to join the other node's cluster.
Logged on that "client" node :
avc: denied { name_connect } for pid=3433 comm="beam.smp" dest=25672 scontext=system_u:system_r:rabbitmq_t:s0 tcontext=system_u:object_r:amqp_port_t:s0 tclass=tcp_socket
Once this is allowed, the "rabbitmqctl join_cluster rabbit@remotehost" command succeeds and the cluster is properly created.
This is RHEL 7.1 with 3.13.1-23.el7 (and using the latest Fedora erlang and rabbitmq rebuilt for RHEL7).
Actually, the above might be incomplete, since I noticed after creating this report that *I* had added the amqp_port_t type for tcp port 25672...
# semanage port -l -C
SELinux Port Type Proto Port Number
amqp_port_t tcp 25672, 15672
I think I did that to be able to have rabbitmq bind to those ports, as 15672 is the default port for the included rabbitmq_management plugin's web interface and 25672 is the default RABBITMQ_NODE_PORT used for clustering.
So at this point I'm not sure I did the right thing. What I do know is that it would be good to have RabbitMQ be able to bind to those two ports by default *and* be able to name_connect to 25672.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2015-2300.html
When trying to create a simple 2 node RabbitMQ cluster, it always fails with a "nodedown" message on the node trying to join the other node's cluster. Logged on that "client" node : avc: denied { name_connect } for pid=3433 comm="beam.smp" dest=25672 scontext=system_u:system_r:rabbitmq_t:s0 tcontext=system_u:object_r:amqp_port_t:s0 tclass=tcp_socket Once this is allowed, the "rabbitmqctl join_cluster rabbit@remotehost" command succeeds and the cluster is properly created. This is RHEL 7.1 with 3.13.1-23.el7 (and using the latest Fedora erlang and rabbitmq rebuilt for RHEL7).