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Java microservices on AKS

Inspect your AKS service in the Azure Portal

By default the Azure Portal already gives you quite some info on the current status of the resources running in your AKS instance. In this first step of this lab, open the Azure Portal, navigate to your AKS instance and inspect what info you can find on the kubernetes resources running in the cluster. Find information on:

  • The pods running in the spring-petclinic namespace.
  • The services and ingresses running in the spring-petclinic namespace.
  • The config maps in the spring-petclinic namespace.
  • The deployments in the spring-petclinic namespace.
  • The AKS node your customers-service is running on.
  • The live logs of the customers-service.

You can follow the below guidance to do so.

You will notice that a lot of the data you see here is the same info you can get by issuing kubectl get statements. What kubectl statements would you issue for getting the same info?

Step by step guidance

  1. In your browser navigate to the Azure Portal, and to the resource group you deployed the AKS cluster to. Select the AKS cluster.

  2. In the menu under Kubernetes resources, select Workloads. Select the spring-petclinic namespace. You will see all the deployments in this namespace.

    deployments

  3. Select the Pods tab and filter by the spring-petclinic namespace here as well. You will now see all pods running in your AKS cluster in the spring-petclinic namespace.

    pods

  4. Select the customers-service pod to see its details. In the detail overview, you will see which node this pod is running on.

    customers-service

  5. Select the Events in the menu. The events for the pod will now be shown.

    events

  6. Navigate back to the AKS cluster and select Services and ingresses from the menu. Select the spring-petclinic namespace. This will show all the ClusterIP and LoadBalancer types you created.

    ingress

  7. Select Configuration and filter by the spring-petclinic namespace here as well. This will show you the config maps in this namespace.

    config-map

  8. When using kubectl statements, the equivalent statements for getting the same info as in the portal are:

    kubectl get pods -n spring-petclinic
kubectl get services -n spring-petclinic
kubectl get configmap -n spring-petclinic
kubectl get deployments -n spring-petclinic
kubectl describe pod <customers-service-pod-instance> -n spring-petclinic
kubectl logs <customers-service-pod-instance> -n spring-petclinic