May 2018
Intermediate to advanced
256 pages
7h 6m
English
Content preview from OpenStack for Architects - Second Edition
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Installing and configuring HAProxy
We'll be using HAProxy to load balance our control plane services in this lab deployment. Some deployments may also implement Keepalived and run HAProxy in an active/active configuration. For this deployment, we'll run HAProxy active/passive and manage it as a resource along with our VIP in Pacemaker.
To start, install HAProxy on both nodes using the following command:
# yum -y install haproxy
Verify the installation with the following command:
# rpm -q haproxy haproxy-1.5.4-4.el7_1.x86_64
Next, we will create a configuration file for HAProxy that load balances the API services installed on the two controllers. Use the following example as a template, replacing the IP addresses in the example with the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.