April 2018
Intermediate to advanced
374 pages
8h 35m
English
Content preview from Kubernetes for Developers
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Custom Resource Definition
Stateful Sets don't automatically match all the persistent stores that are available, and some of them have even more complex logic requirements for managing the life cycle of the application. As Kubernetes looked at how to support extending its controllers to support more complex logic, the project started with the idea of Operators, external code that could be included in the Kubernetes project, and has evolved as of Kubernetes 1.8 to make this more explicit with CustomResourceDefinitions. A custom resource extends the Kubernetes API, and allows for custom API objects to be created and matched with a custom controller that you can also load into Kubernetes to handle the life cycle of those objects.
Custom Resource ...
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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.