Metrics reported by Kubernetes

Kubernetes reports multiple metrics. In this section, we'll first use a number of kubectl commands to get these metrics. Afterward, we'll look into Azure Monitor for containers to see how Azure helps with container monitoring.

Node status and consumption

The nodes in your Kubernetes are the servers running your application. Kubernetes will schedule Pods to different nodes in the cluster. You need to monitor the status of your nodes to ensure that the nodes themselves are healthy and that the nodes have enough resources to run new applications.

Run the following command to get information about the nodes on the cluster:

kubectl get nodes

The preceding command lists their name, status, and age:

Figure 7.22: There are two nodes in this cluster

You can get more information by passing the -o wide option:

kubectl get -o wide nodes

The output lists the underlying OS-IMAGE and INTERNAL-IP, and other...