Description of problem: openstack uses common copy pasted SSL support which can be seen: https://github.com/openstack/nova/blob/master/nova/openstack/common/sslutils.py This code allows only SSLv3 or TLSv1 which are both broken. python actually has support for TLSv1.2 which should be proffered but only from version 2.7.9 which we don't have in Centos or RHEL - python-2.7.5-16.el7.x86_64 rabbitmq dropped support for broken crypto and now we get: nova: AMQP server on 192.168.122.59:5671 is unreachable: [Errno 1] _ssl.c:504: error:1409442E:SSL routines:SSL3_READ_BYTES:tlsv1 alert protocol version. Trying again in 30 seconds. rabbit: =ERROR REPORT==== 2-Jan-2015::09:09:57 === error on AMQP connection <0.1322.0>: {ssl_upgrade_error, {tls_alert,"protocol version"}} (unknown POSIX error)
This bug is against a Version which has reached End of Life. If it's still present in supported release (http://releases.openstack.org), please update Version and reopen.