Kubernetes Basics with AWS Cloud9

1. Create an AWS Cloud9 Environment

AWS Cloud9

2. Choose a right way to build Kubernetes environment

1. Attach role to Cloud9 instance

2. Change Cloud9 credentials settings

3. Choose a right way to build Kubernetes environment

1. Launch local Kubernetes with minikube

2. Launch Amazon EKS cluster with eksctl

3. Create Amazon EKS cluster with AWS CloudFormation

4. Configure Kubernetes

1. Install kubectl (Kubernetes command line utility)

1. Refer to AWS Guide to install kubectl

   Set <kubectl version>, <release date> according to Kubernetes version

   KUBECTL_VERSION=<kubectl version>
   RELEASE_DATE=<release date>
   echo $KUBECTL_VERSION
   echo $RELEASE_DATE

   mspuser:~/environment $ KUBECTL_VERSION=1.22.6
   mspuser:~/environment $ RELEASE_DATE=2022-03-09
   mspuser:~/environment $ echo $KUBECTL_VERSION
   1.22.6
   mspuser:~/environment $ echo $RELEASE_DATE
   2022-03-09
   mspuser:~/environment $ 

2. Download the Amazon EKS vended kubectl binary

   curl -o kubectl https://s3.us-west-2.amazonaws.com/amazon-eks/$KUBECTL_VERSION/$RELEASE_DATE/bin/linux/amd64/kubectl

3. Apply execute permissions to the binary

   chmod +x ./kubectl

4. Copy the binary to a folder in PATH

   mkdir -p $HOME/bin && cp ./kubectl $HOME/bin/kubectl && export PATH=$PATH:$HOME/bin

5. Verify kubectl version

   kubectl version --short --client

   mspuser:~/environment $ kubectl version --short --client
   Client Version: v1.22.6-eks-7d68063
   mspuser:~/environment $