Install and/or update EKS commands automatically

eks_cli_update.sh

# This script will update the key CLI tools for managing EKS

eksctl version
curl --silent --location "https://github.com/weaveworks/eksctl/releases/latest/download/eksctl_$(uname -s)_amd64.tar.gz" | tar xz -C /tmp
sudo mv /tmp/eksctl /usr/local/bin
eksctl version

kubectl version -o json | jq -r '.clientVersion.major + "." + .clientVersion.minor'
curl -LO "https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl"
chmod +x ./kubectl
sudo mv ./kubectl /usr/local/bin/kubectl
kubectl version -o json | jq -r '.clientVersion.major + "." + .clientVersion.minor'

helm version --template="{{ .Version }} "
curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
chmod 700 get_helm.sh
./get_helm.sh
helm version --template="{{ .Version }} "