You wrote your playbook, congratulations. Unless you're a brave hero that will check if the playbook works correctly in production you figure out it might be wise to check it in a testing environment first. You spin up a VM on your computer or somewhere in the cloud, run your tests,...
Hi there. In this post, we’ll cover the introduction to Puppet acceptance testing. If you are new to Puppet, we recommend that you check out Easy Puppet module development with PDK. And if you are curious about testing Puppet modules, the Puppet unit testing for beginners post is a good...
We were writing about configuration management tools in some of the previous blog posts, so let's continue with the hype train and mix some Kubernetes for the flavor. So, in a nutshell, we will write about Managing resources in Kubernetes. This post is not about Kubernetes control plane configuration and management. It's...
From our blog post history you might think that Puppet is the only configuration management tool we use. While I don't blame you for thinking that, you'd be surprised to find out that this it not true :) . Other than Puppet, we recently started to use Ansible as well and I'd...
Thanks to PDK (Puppet Development Kit), writing unit and acceptance tests for Puppet modules has never been easier. We’ve already covered the PDK basics, so if you’re not familiar with this magnificent tool, make sure to glance over the Easy Puppet module development with PDK blog post. This time, we’ll...
As we announced about 10 days ago, we made some pretty long trips in the last 7 days at September conferences. We wanted to summarize it all in one short story, because, seriously, the wholesome trip was fantastic. 1st September conferences - WebSummerCamp Our trip began on September 1st to Šibenik to...
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It's that time again. Yes, you got it right, another article in the series on how you can utilize HAProxy for more than just load balancing. Even more importantly, find out how it can help you as a DevOps guy to gain more insight into what's happening in your stack. Not...
Recently, a client approached us with a curious Puppet Server problem that manifested in excessive CPU usage on the Puppet Server. One of the surprising things was that the issue appeared out of the blue, and was causing timeouts during Puppet runs on 650 nodes. None of the recent changes...
As you already might know, CentOS releases are known to have very long life cycles (usually up to 10 years). However, they are bound to come to their EOL at some point, as is the case with their oldest currently supported release, CentOS 6. CentOS 6 is scheduled to reach EOL...
