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Challenge 3: Introduction To Kubernetes

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Introduction

Now it is time to introduce the container orchestrator we all came for: Kubernetes!

Description

In this challenge we will be provisioning our first Kubernetes cluster using the Azure Kubernetes Service (AKS). This will give us an opportunity to learn how to use the kubectl kubernetes command line tool, as well as using the Azure CLI to issue commands to AKS.

  • Install the Kubernetes command line tool (kubectl).
    • Hint: This can be done easily with the Azure CLI.
  • Create a new, multi-node AKS cluster.
    • Use the default Kubernetes version used by AKS.
    • The cluster will use basic networking and kubenet.
    • The cluster will use a managed identity
    • The cluster will use Availability Zones for improved worker node reliability.
  • Use kubectl to prove that the cluster is a multi-node cluster and is working.
  • Use kubectl to examine which availability zone each node is in.
  • Optional: Bring up the Kubernetes dashboard in your browser
    • Hint: Again, the Azure CLI makes this very easy.
    • NOTE: This will not work if you are using an Ubuntu Server jump box to connect to your cluster.
    • NOTE: Since the cluster is using RBAC by default, you will need to look up how to enable the special permissions needed to access the dashboard.

Success Criteria

  1. The kubectl CLI is installed.
  2. Show that a new, multi-node AKS kubernetes cluster exists.
  3. Show that its nodes are running in multiple availability zones.
  4. Show that it is using basic networking (kubenet)