Tag Archives: rabbitmq

OpenStack Juno Scripted Installation on CentOS 7

Note: the are newer versions of this article: OpenStack Newton – Quick Install on CentOS 7 and also Scripted Installation of OpenStack Mitaka This article shows how to install OpenStack Juno on CentOS 7 with a couple of scripts. If you’ve manually installed OpenStack by following the official documentation, you know that there are many steps: adding… Read More »

OpenStack High Availability – Keystone and RabbitMQ

In this article, we’ll build a redundant Keystone identity service and RabbitMQ message queue service for our OpenStack Icehouse controller stack. In the last two articles, we built redundant load balancers using HAProxy and Keepalived, and we built redundant database servers using MySQL and Galera. Now, with those pieces in place, we can start building… Read More »

OpenStack High Availability – Controller Stack

High availability is a must have for enterprise deployment of OpenStack. Not high availability of individual virtual machines (instances), nor high availability of individual compute nodes (hypervisor hosts). I mean high availability of the OpenStack controller stack. True, if the stack falls over, that doesn’t necessarily mean that your instances stop working (especially if you’ve… Read More »