May 2017
Intermediate to advanced
436 pages
9h 44m
English
Content preview from The DevOps 2.1 Toolkit: Docker Swarm
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Jenkins architecture
Jenkins is a monolithic application based on a combination of a master and agents.
Jenkins master can be described as an orchestrator. It monitors sources, triggers jobs when predefined conditions are met, stores logs and artifacts, and performs a myriad of other tasks related to CI/CD orchestration. It does not run actual tasks but makes sure that they are executed.
Jenkins agent, on the other hand, does the actual work. When master triggers a job execution, the actual work is performed by an agent. We cannot scale Jenkins master. At least not in the same way as we scaled the go-demo service. We can create multiple Jenkins masters, but they cannot share the same file systems. Since Jenkins uses files to store its state, ...
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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.