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24 07 2018
I’ve been using Concourse CI since quite a long time and I wanted to share with you a little trick to natively improve flexibility of pipelines. A Concourse pipelines looks like the following one : https://concourse-ci.org/pipelines.html This pipeline example contains 2 jobs and a resource. Pretty simple, but you can imagine a bigger one […]
15 12 2015
In my devops life, one of my customer ask to have the possibility to update one by one his java workers but without interuption. They are java workers behind an apache. Apache load balance request between the workers with mod proxy ajp. The goal was to : Remove one of both tomcat server from the […]
4 12 2015
Generally for monitoring or metering purpose it’s better to access to the service with a dedicated account. For example on galera we can create a read only user for the monitoring. But in openshift ? The first idea is to create a dedicated user and add the right role to be able to read information […]
20 11 2015
As we know docker is for Build, Ship, Run applications. Usually developers use docker to dev new app and host them with applications like OpenShift. You can find a lot of article about develop and build application in docker containers. I decided to write a small article on an other aspect of docker that I often use. Application testing […]
4 07 2015
One day I had a bug on OpenStack platform. If I remember well it was a nova problem. Lucky day for a debug session, all nova logs was in DEBUG level ! But as you may know, when you set this log level in OpenStack services, the output can be really, really, really verbose. So […]