Ansible is great, it's one of my favorite tools. It works like a charm, but... it requires SSH connection to the target host, which can be a problem in some high security environments, like the ones where SSH on the host is not allowed or the ones that work in VPCs without external connectivity.

However, in AWS, there's a feature...

A couple weekends ago I had some time to try new things and I decided it's high time to make some Kubernetes operators using Operator SDK with one of its core feature - Ansible operator support.

But... what is operator-sdk?

Although you can write Kubernetes operator using pure Go with Kubernetes client libraries, it takes some time...

So you backup your EBS volumes, but do you actually test if you can recover them? How long does it take to restore EBS snapshot and bring your EC2 instance back to life? In this post I'll show you how to automatate EBS restore process using Ansible and stop worrying about RTO :)

The restore procedure consists of the following...

On the web you can find many tips about how to update CentOS/RHEL linux systems. Some of them are quite old and do not leverage new features available in recent Ansible versions, other has some issues or do not provide a nice way to display what's going on. Recently I've spent some time tuning ansible playbook to develop a nice way to update my RedHat family...