Caching mechanism in ansible-bender

A few weeks ago I announced a new project — ansible-bender (ab). It’s a simple tool to create container images using Ansible playbooks. The same concept as ansible-container, but ab is only about builds.

Ansible-bender utilizes an ansible connection plugin to invoke a playbook in a container and buildah as the container technology.

Recently I was able to land a caching mechanism - every task result is being cached. Since ansible doesn’t allow doing such thing easily, it was quite a feat.

Keep reading

Flock 2018 trip report

Thank you for the contributions and review, Dominika and Jirka.

Fedora and CentOS will be closer

A presentation from Jim Perrin and Matt Miller revealed that Fedora and CentOS dist-git will be tied together. This change will likely provide an opportunity to do crazy, awesome and beautiful stuff. But the key thing is to have a single dist-git deployment instead of 2 at start. Once that’s done, we may start thinking about what to do with it.

Keep reading

UEFI + LUKS + NVMe can be fun

Recently I get a new laptop at work. I finally wanted to make my dream come true and install Gentoo Linux on it. I’ve installed Gentoo already a few times so this wasn’t a big deal. Installing Gentoo is actually an awesome experience. I learnt so much when doing it for the first time. This time, everything went fine until I decided to install bootloader and boot the thing.

Keep reading

Recent news in container tech: issue 2

This is an issue number 2 of what’s happening in the world of linux containers. We have 2 items on the menu for today:

  1. Kata containers 1.0
  2. Buildah 1.0

Keep reading

Dependencies between services in docker-compose

Here’s a question: can Docker Compose wait for a service to be ready (healthy) before starting a dependant one?

Apparently I’m not the only one to be puzzled by this.

Keep reading

Kerberos authentication in a container

This is a quick one.

We have a bot which uses Kerberos for authentication with other services. Of course we run our bot army in containers within OpenShift.

How do we do it? How can we use Kerberos inside linux containers?

Keep reading

Not so recent news in container tech

I prepared a demo for my team with (not so) recent news in container tech I discovered. Here it is.

Keep reading