eks_addons_compatibility.sh

#!/bin/bash
# EKS Addons Compatibility Script

if [ -z "$1" ]; then
  echo "Usage: $0 <kubernetes_version>"
  exit 1
fi

k8s_version=$1

addons=(
  "vpc-cni"  
  "coredns"  
  "kube-proxy"  
  "aws-ebs-csi-driver"  
  "aws-efs-csi-driver"  
  "aws-mountpoint-s3-csi-driver"  
  "snapshot-controller"  
  "adot"  
  "aws-guardduty-agent"  
  "amazon-cloudwatch-observability"  
  "eks-pod-identity-agent"  
)

get_compatible_versions() {
  local addon_name=$1
  aws eks describe-addon-versions \
    --addon-name "$addon_name" \
    --kubernetes-version "$k8s_version" \
    --query 'addons[0].addonVersions[*].addonVersion' \
    --output text
}

echo "Latest compatible addon versions for Kubernetes $k8s_version:"
for addon in "${addons[@]}"; do
  all_compatible_versions=$(get_compatible_versions "$addon")
  latest=$(echo "$all_compatible_versions" | tr '\t' '\n' | head -n 1)
  
  echo "$addon: $latest"    
done