January 2019
Intermediate to advanced
484 pages
11h 48m
English
Content preview from DevOps with Kubernetes - Second Edition
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Services
Services in Kubernetes are abstraction layers for routing traffic to a logical set of pods. With Services, we don't need to trace the IP address of each pod. Services usually use the label selector to select the pods that they need to route to while, in some cases, Services are created without a selector on purpose. The Service abstraction is powerful. It enables decoupling and makes communication between micro-services possible. Currently, Kubernetes Services support TCP, UDP, and SCTP.
Services don't care about how we create the pod. Just like ReplicaSet, it only cares that the pods match its label selectors, so the pods could belong to different ReplicaSets:
Service maps pods via label selector
In the preceding diagram, all of ...
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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.