July 2017
Intermediate to advanced
152 pages
3h 15m
English
Content preview from DevOps with OpenShift
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Chapter 4. Pipelines
The Job of the deployment pipeline is to prove that the release candidate is unreleasable.
Jez Humble
Pipelines allow teams to automate and organize all of the activities required to deliver software changes. By rapidly providing visible feedback, teams can respond and react to failures quickly.
In this chapter we are going to learn about using pipelines inside OpenShift so that we can connect deployment events to the various upstream gates and checks that need to be passed as part of the delivery process.
Our First Pipeline Example
Log in to OpenShift as our user and create a new project. We will follow along using both the web-ui and the command-line interface (choose whichever one you’re most comfortable using):
$ oc login -u developer -p developerCreate a new project called samplepipeline:
$oc new-project samplepipeline --display-name="Pipeline Sample"\--description='Pipeline Sample'
Add the Jenkins ephemeral templated application to the project—it should be an instant app in the catalog which you can check from the web-ui by using Add to Project or from the CLI:
$oc get templates -n openshift|grep jenkins-pipeline-example jenkins-pipeline-example This example showcases the new Jenkins Pipeline ...
If you have persistent storage and you want to keep your Jenkins build logs after Jenkins Container restarts, then you could use the jenkins-persistent template instead.
$ oc new-app jenkins-ephemeralIn the web-ui continue to the overview page. A ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.