May 2017
Intermediate to advanced
436 pages
9h 44m
English
Content preview from The DevOps 2.1 Toolkit: Docker Swarm
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Defining Pipeline nodes
In the Jenkins Pipeline DSL, a node is a step that does two things, typically by enlisting help from available executors on agents.
A node schedules the steps contained within it by adding them to the Jenkins build queue. That way, as soon as an executor slot is free on a node, the appropriate steps will be run.
It also creates a workspace, meaning a file directory specific to a particular job, where resource-intensive processing can occur without negatively impacting your Pipeline performance. Workspaces created by a node are automatically removed after all the steps contained inside the node declaration finish executing. It is a best practice to do all material work, such as building or running shell scripts, within ...
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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.