Built-in monitoring

If you recall from Chapter 1, Kubernetes and Container Operations, we noted that our nodes were already running a number of monitoring services. We can see these once again by running the get pods command with the kube-system namespace specified as follows:

$ kubectl get pods --namespace=kube-system

The following screenshot is the result of the preceding command:

Built-in monitoring

Figure 6.1. System pod listing

Again, we see a variety of services, but how does this all fit together? If you recall the Node (formerly minions) section from Chapter 2, Kubernetes – Core Concepts and Constructs, each node is running a kublet. The kublet is the main interface ...

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