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Continuous integration / Continuous Delivery / Continuous Deployment

The terms Continuous Integration, Continuous Delivery and Continuous Deployment can still confuse. Even Jez Humble, author of the book Continuous Delivery commented that there is “confusion around the terms continuous delivery versus continuous deployment and my own thinking and definitions have changed”.(1)

This is my attempt to distinguish, based on the sources listed below.

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Dynamically set Jenkins node

This post explains how to dynamically/programmatically set the node a Jenkins/Hudson job will run on. This is relatively easy to do statically, using the NodeLabel Parameter Plugin, but trickier to do programmatically.

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Running Jenkins jobs sequentially

I am a huge fan of the Jenkins continuous integration tool, using it not just for continuous integration, but also continuous delivery, server monitoring and performance testing.

Although using Jenkins is normally a breeze, I recently had a need to run several Jenkins jobs sequentially and it proved a little trickier than expected, so I thought worth posting about.

Basically, I wanted to call a database backup job before calling the deploy build job, which obviously shouldn’t be done in parallel. After a bit of research, I found a number of ways to have Jenkins run jobs sequentially.
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