January 2019
Intermediate to advanced
484 pages
11h 48m
English
Content preview from DevOps with Kubernetes - Second Edition
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Getting monitoring essentials for Kubernetes
Since monitoring is an important part of operating a service, the existing monitoring system in our infrastructure might already provide solutions for collecting metrics from common sources like well-known open source software and the operating system. As for applications run on Kubernetes, let's have a look at what Kubernetes and its ecosystem offer.
To collect metrics of containers managed by Kubernetes, we don't have to install any special controller on the Kubernetes master node, nor any metrics collector inside our containers. This is basically done by kubelet, which gathers various telemetries from a node, and exposes them in the following API endpoints (as of Kubernetes 1.13):
- /metrics/cadvisor ...
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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.