Ansible Tower with TripleO

I was asked to look into integrating Ansible Tower with TripleO a while back. It actually wasn't that difficult to do, but I've finally gotten around to recording a demo video showing how. In this post I will also provide a brief overview of how I installed Ansible Tower.

Keeping Firefox Memory Usage Under Control

My laptop has 12 GB of memory and is largely used for web, email, IRC, and ssh to other systems. You might think that would be sufficient. You would be wrong.

No Longer Running on OpenShift

If you've been following my blog very closely you might notice it's been up and down occasionally over the past couple of weeks. You may also notice that I mentioned Drupal "fun" in my previous post. This was maybe a bit misleading as it wasn't really Drupal's fault, but Drupal did make it much easier to deal with.

Drupal update.php Access Denied for User 1

I've been having lots of Drupal "fun" in the past week or two (more on that later), and I finally managed to fix an issue that had been bugging me for a while on a site I had previously migrated from Drupal 6 to 7. Specifically the update.php page was not working. This despite the fact that I was logged in as user 1.

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OpenStack Virtual Baremetal Usability Improvements

If you've looked at the OVB repo or docs recently you may notice that there have been some significant changes. This is a good news-good news situation: the changes are backwards compatible and if you use the new configuration method it's much easier to deploy with some of the more advanced options in OVB.

Creating OpenStack Client Instances in Python

So you're writing a Python application and you want to talk to an OpenStack service. Or maybe even multiple services. A quick Google turns up something like python-novaclient, which provides a way to create an instance of a Nova client in Python. Great! We're done here, right? Not so fast, my friend.

TripleO Network Isolation Template Generator Update

Just a quick update on the TripleO Network Isolation Template Generator. A few new features have been added recently that may be of interest.

Prevent cloud-init from Changing Your Hostname on Reboot

This is something that periodically bites me when I'm doing deployments in OVB. Because I'm dealing with cloud instances, cloud-init runs on each reboot and one of the things it does is change the hostname to whatever Nova's metadata says it should be. This behavior is very problematic for something like an undercloud VM because it can change your hostname from, say, undercloud.localdomain to undercloud-test.novalocal when you reboot the VM.

Writing TripleO Specs

I was recently copied on an email from a team with a lot of new contributors to TripleO that was wondering if there was any sort of tips or guidelines for writing specs. My initial reaction was "The spec templates tell you how to write them." Then I realized that if you haven't ever written a spec before you may not know that. So, with that said, here are some of my thoughts on spec writing:

Disclaimer: These are my thoughts and opinions only. This is not endorsed by TripleO or anyone else in the OpenStack community. I'm just writing it in the hopes that it will be helpful.

Improving TripleO CI Throughput

If you spend any significant amount of time working on TripleO, you have probably run into the dreaded CI queue. In this case that typically refers to the check-tripleo queue that runs OVB. Why does that queue back up more than the regular check queue and what can/have we done about it? That's what we're going to talk about here.

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