May 2018
Intermediate to advanced
554 pages
13h 51m
English
Content preview from Kubernetes Cookbook - Second Edition
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hostPath
hostPath acts as data volume in Docker. The local folder on a node listed in hostPath will be mounted into the Pod. Since the Pod can run on any nodes, read/write functions happening in the volume could explicitly exist in the node on which the Pod is running. In Kubernetes, however, the Pod should not be node-aware. Please note that the configuration and files might be different on different nodes when using hostPath. Therefore, the same Pod, created by the same command or configuration file, might act differently on different nodes.
By using hostPath, you're able to read and write the files between containers and localhost disks of nodes. What we need for volume definition is for hostPath.path to specify the target mounted folder ...
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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.