Last active
October 22, 2025 13:38
-
-
Save phnahes/e2b412bf5396c8f3783771dd104d8813 to your computer and use it in GitHub Desktop.
Automatically generate an EKS kubeconfig based on AWS_PROFILE (kubernetes)
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/usr/bin/env bash | |
| # -------------------------------------------------- | |
| # Script: eks-connect.sh | |
| # Purpose: Automatically generate an EKS kubeconfig using AWS_PROFILE and region | |
| # Compatible with bash/zsh | |
| # Creates per-profile + per-region kubeconfig | |
| # -------------------------------------------------- | |
| # Usage: | |
| # ./eks-connect.sh <aws_profile> [region] | |
| # Example: | |
| # ./eks-connect.sh production us-east-1 | |
| # ./eks-connect.sh staging eu-west-1 | |
| PROFILE=${1:-default} | |
| REGION=${2:-us-east-1} | |
| # Define kubeconfig path including profile and region | |
| KUBECONFIG_PATH="$HOME/.kube/config-${PROFILE}-${REGION}" | |
| export AWS_PROFILE="$PROFILE" | |
| export KUBECONFIG="$KUBECONFIG_PATH" | |
| echo "Using AWS profile: $PROFILE" | |
| echo "Region: $REGION" | |
| echo "KUBECONFIG path: $KUBECONFIG_PATH" | |
| echo | |
| # List available clusters | |
| CLUSTERS=$(aws eks list-clusters --region "$REGION" --profile "$PROFILE" --query "clusters" --output text) | |
| if [ -z "$CLUSTERS" ]; then | |
| echo "No EKS clusters found for profile '$PROFILE' in region '$REGION'." | |
| exit 1 | |
| fi | |
| # Count clusters | |
| CLUSTER_COUNT=$(echo "$CLUSTERS" | wc -w | tr -d ' ') | |
| if [ "$CLUSTER_COUNT" -eq 1 ]; then | |
| CLUSTER_NAME=$CLUSTERS | |
| echo "Found only one cluster: $CLUSTER_NAME" | |
| else | |
| echo "Available clusters:" | |
| i=1 | |
| CLUSTER_LIST=() | |
| for c in $CLUSTERS; do | |
| echo " [$i] $c" | |
| CLUSTER_LIST+=("$c") | |
| ((i++)) | |
| done | |
| echo | |
| read -p "Enter the number of the cluster to connect to: " choice | |
| CLUSTER_NAME="${CLUSTER_LIST[$((choice-1))]}" | |
| if [ -z "$CLUSTER_NAME" ]; then | |
| echo "Invalid option." | |
| exit 1 | |
| fi | |
| fi | |
| echo | |
| echo "Generating kubeconfig for cluster '$CLUSTER_NAME'..." | |
| aws eks update-kubeconfig \ | |
| --name "$CLUSTER_NAME" \ | |
| --region "$REGION" \ | |
| --profile "$PROFILE" \ | |
| --kubeconfig "$KUBECONFIG_PATH" | |
| if [ $? -eq 0 ]; then | |
| echo | |
| echo "Successfully connected to cluster '$CLUSTER_NAME'." | |
| echo "Current context:" | |
| kubectl --kubeconfig "$KUBECONFIG_PATH" config current-context | |
| echo | |
| echo "--------------------------------------------------" | |
| echo " KUBECONFIG USAGE GUIDE" | |
| echo "--------------------------------------------------" | |
| echo | |
| echo "Temporarily use this kubeconfig:" | |
| echo " export KUBECONFIG=$KUBECONFIG_PATH" | |
| echo " kubectl get nodes" | |
| echo | |
| echo "Combine multiple kubeconfig files:" | |
| echo " export KUBECONFIG=~/.kube/config-dev-us-east-1:~/.kube/config-staging-us-east-1:~/.kube/config-production-us-east-1" | |
| echo " kubectl config get-contexts" | |
| echo | |
| echo "Return to default kubeconfig:" | |
| echo " unset KUBECONFIG" | |
| echo | |
| echo "--------------------------------------------------" | |
| else | |
| echo "Failed to generate kubeconfig." | |
| exit 1 | |
| fi |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment